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noqa: F401 +from torch._jit_internal import Dict, List, Optional, Tuple, Union # noqa: F401 +from torch.ao.nn.quantized.modules.utils import _quantize_weight +from torch.nn.utils.rnn import PackedSequence + + +__all__ = [ + "pack_weight_bias", + "PackedParameter", + "RNNBase", + "LSTM", + "GRU", + "RNNCellBase", + "RNNCell", + "LSTMCell", + "GRUCell", + "apply_permutation", +] + + +def _apply_permutation(tensor: Tensor, permutation: Tensor, dim: int = 1) -> Tensor: + return tensor.index_select(dim, permutation) + + +@deprecated( + "`apply_permutation` is deprecated, please use `tensor.index_select(dim, permutation)` instead", + category=FutureWarning, +) +def apply_permutation(tensor: Tensor, permutation: Tensor, dim: int = 1) -> Tensor: + return _apply_permutation(tensor, permutation, dim) + + +def pack_weight_bias(qweight, bias, dtype): + if dtype == torch.qint8: + # for each layer, for each direction we need to quantize and pack + # weights and pack parameters in this order: + # + # w_ih, w_hh + packed_weight = torch.ops.quantized.linear_prepack(qweight, bias) + + return packed_weight + else: + # for each layer, for each direction we need to quantize and pack + # weights and pack parameters in this order: + # + # packed_ih, packed_hh, b_ih, b_hh + packed_weight = torch.ops.quantized.linear_prepack_fp16(qweight, bias) + + return packed_weight + + +class PackedParameter(torch.nn.Module): + def __init__(self, param): + super().__init__() + self.param = param + + def _save_to_state_dict(self, destination, prefix, keep_vars): + super()._save_to_state_dict(destination, prefix, keep_vars) + destination[prefix + "param"] = self.param + + def _load_from_state_dict( + self, + state_dict, + prefix, + local_metadata, + strict, + missing_keys, + unexpected_keys, + error_msgs, + ): + self.param = state_dict[prefix + "param"] + super()._load_from_state_dict( + state_dict, + prefix, + local_metadata, + False, + missing_keys, + unexpected_keys, + error_msgs, + ) + + +class RNNBase(torch.nn.Module): + _FLOAT_MODULE = nn.RNNBase + + _version = 2 + + def __init__( + self, + mode, + input_size, + hidden_size, + num_layers=1, + bias=True, + batch_first=False, + dropout=0.0, + bidirectional=False, + dtype=torch.qint8, + ): + super().__init__() + + self.mode = mode + self.input_size = input_size + self.hidden_size = hidden_size + self.num_layers = num_layers + self.bias = bias + self.batch_first = batch_first + self.dropout = float(dropout) + self.bidirectional = bidirectional + self.dtype = dtype + self.version = 2 + self.training = False + num_directions = 2 if bidirectional else 1 + + # "type: ignore" is required since ints and Numbers are not fully comparable + # https://github.com/python/mypy/issues/8566 + if ( + not isinstance(dropout, numbers.Number) + or not 0 <= dropout <= 1 # type: ignore[operator] + or isinstance(dropout, bool) + ): + raise ValueError( + "dropout should be a number in range [0, 1] " + "representing the probability of an element being " + "zeroed" + ) + if dropout > 0 and num_layers == 1: # type: ignore[operator] + warnings.warn( + "dropout option adds dropout after all but last " + "recurrent layer, so non-zero dropout expects " + f"num_layers greater than 1, but got dropout={dropout} and " + f"num_layers={num_layers}" + ) + + if mode == "LSTM": + gate_size = 4 * hidden_size + elif mode == "GRU": + gate_size = 3 * hidden_size + else: + raise ValueError("Unrecognized RNN mode: " + mode) + + _all_weight_values = [] + for layer in range(num_layers): + for _ in range(num_directions): + layer_input_size = ( + input_size if layer == 0 else hidden_size * num_directions + ) + + w_ih = torch.randn(gate_size, layer_input_size).to(torch.float) + w_hh = torch.randn(gate_size, hidden_size).to(torch.float) + b_ih = torch.randn(gate_size).to(torch.float) + b_hh = torch.randn(gate_size).to(torch.float) + if dtype == torch.qint8: + w_ih = torch.quantize_per_tensor( + w_ih, scale=0.1, zero_point=0, dtype=torch.qint8 + ) + w_hh = torch.quantize_per_tensor( + w_hh, scale=0.1, zero_point=0, dtype=torch.qint8 + ) + packed_ih = torch.ops.quantized.linear_prepack(w_ih, b_ih) + packed_hh = torch.ops.quantized.linear_prepack(w_hh, b_hh) + if self.version is None or self.version < 2: + cell_params = ( + torch.ops.quantized.make_quantized_cell_params_dynamic( + packed_ih, packed_hh, b_ih, b_hh + ) + ) + else: + cell_params = ( + torch.ops.quantized.make_quantized_cell_params_dynamic( + packed_ih, packed_hh, b_ih, b_hh, True + ) + ) + else: + packed_ih = torch.ops.quantized.linear_prepack_fp16(w_ih, b_ih) + packed_hh = torch.ops.quantized.linear_prepack_fp16(w_hh, b_hh) + cell_params = torch.ops.quantized.make_quantized_cell_params_fp16( + packed_ih, packed_hh + ) + + _all_weight_values.append(PackedParameter(cell_params)) + self._all_weight_values = torch.nn.ModuleList(_all_weight_values) + + def _get_name(self): + return "DynamicQuantizedRNN" + + def extra_repr(self): + s = "{input_size}, {hidden_size}" + if self.num_layers != 1: + s += ", num_layers={num_layers}" + if self.bias is not True: + s += ", bias={bias}" + if self.batch_first is not False: + s += ", batch_first={batch_first}" + if self.dropout != 0: + s += ", dropout={dropout}" + if self.bidirectional is not False: + s += ", bidirectional={bidirectional}" + return s.format(**self.__dict__) + + def __repr__(self): + # We don't want to show `ModuleList` children, hence custom + # `__repr__`. This is the same as nn.Module.__repr__, except the check + # for the `PackedParameter` and `nn.ModuleList`. + # You should still override `extra_repr` to add more info. + extra_lines = [] + extra_repr = self.extra_repr() + # empty string will be split into list [''] + if extra_repr: + extra_lines = extra_repr.split("\n") + child_lines = [] + for key, module in self._modules.items(): + if isinstance(module, (PackedParameter, nn.ModuleList)): + continue + mod_str = repr(module) + mod_str = nn.modules.module._addindent(mod_str, 2) + child_lines.append("(" + key + "): " + mod_str) + lines = extra_lines + child_lines + + main_str = self._get_name() + "(" + if lines: + # simple one-liner info, which most builtin Modules will use + if len(extra_lines) == 1 and not child_lines: + main_str += extra_lines[0] + else: + main_str += "\n " + "\n ".join(lines) + "\n" + + main_str += ")" + return main_str + + def check_input(self, input: Tensor, batch_sizes: Optional[Tensor]) -> None: + expected_input_dim = 2 if batch_sizes is not None else 3 + if input.dim() != expected_input_dim: + raise RuntimeError( + f"input must have {expected_input_dim} dimensions, got {input.dim()}" + ) + if self.input_size != input.size(-1): + raise RuntimeError( + f"input.size(-1) must be equal to input_size. Expected {self.input_size}, got {input.size(-1)}" + ) + + def get_expected_hidden_size( + self, input: Tensor, batch_sizes: Optional[Tensor] + ) -> tuple[int, int, int]: + if batch_sizes is not None: + mini_batch = int(batch_sizes[0]) + else: + mini_batch = input.size(0) if self.batch_first else input.size(1) + num_directions = 2 if self.bidirectional else 1 + expected_hidden_size = ( + self.num_layers * num_directions, + mini_batch, + self.hidden_size, + ) + return expected_hidden_size + + def check_hidden_size( + self, + hx: Tensor, + expected_hidden_size: tuple[int, int, int], + msg: str = "Expected hidden size {}, got {}", + ) -> None: + if hx.size() != expected_hidden_size: + raise RuntimeError(msg.format(expected_hidden_size, list(hx.size()))) + + def check_forward_args( + self, input: Tensor, hidden: Tensor, batch_sizes: Optional[Tensor] + ) -> None: + self.check_input(input, batch_sizes) + expected_hidden_size = self.get_expected_hidden_size(input, batch_sizes) + self.check_hidden_size( + hidden, expected_hidden_size, msg="Expected hidden size {}, got {}" + ) + + def permute_hidden(self, hx: Tensor, permutation: Optional[Tensor]) -> Tensor: + if permutation is None: + return hx + return _apply_permutation(hx, permutation) + + def _load_from_state_dict( + self, + state_dict, + prefix, + local_metadata, + strict, + missing_keys, + unexpected_keys, + error_msgs, + ): + version = local_metadata.get("version", None) + self.version = version + super()._load_from_state_dict( + state_dict, + prefix, + local_metadata, + False, + missing_keys, + unexpected_keys, + error_msgs, + ) + + def set_weight_bias(self, weight_bias_dict): + def weight_bias_name(ihhh, layer, suffix): + weight_name = f"weight_{ihhh}_l{layer}{suffix}" + bias_name = f"bias_{ihhh}_l{layer}{suffix}" + return weight_name, bias_name + + num_directions = 2 if self.bidirectional else 1 + # TODO: dedup with __init__ of RNNBase + _all_weight_values = [] + for layer in range(self.num_layers): + for direction in range(num_directions): + suffix = "_reverse" if direction == 1 else "" + w_ih_name, b_ih_name = weight_bias_name("ih", layer, suffix) + w_hh_name, b_hh_name = weight_bias_name("hh", layer, suffix) + w_ih = weight_bias_dict[w_ih_name] + b_ih = weight_bias_dict[b_ih_name] + w_hh = weight_bias_dict[w_hh_name] + b_hh = weight_bias_dict[b_hh_name] + if w_ih.dtype == torch.qint8: + packed_ih = torch.ops.quantized.linear_prepack(w_ih, b_ih) + packed_hh = torch.ops.quantized.linear_prepack(w_hh, b_hh) + if self.version is None or self.version < 2: + cell_params = ( + torch.ops.quantized.make_quantized_cell_params_dynamic( + packed_ih, packed_hh, b_ih, b_hh + ) + ) + else: + cell_params = ( + torch.ops.quantized.make_quantized_cell_params_dynamic( + packed_ih, packed_hh, b_ih, b_hh, True + ) + ) + else: + packed_ih = torch.ops.quantized.linear_prepack_fp16(w_ih, b_ih) + packed_hh = torch.ops.quantized.linear_prepack_fp16(w_hh, b_hh) + cell_params = torch.ops.quantized.make_quantized_cell_params_fp16( + packed_ih, packed_hh + ) + + _all_weight_values.append(PackedParameter(cell_params)) + self._all_weight_values = torch.nn.ModuleList(_all_weight_values) + + @classmethod + def from_float(cls, mod, use_precomputed_fake_quant=False): + assert type(mod) in { + torch.nn.LSTM, + torch.nn.GRU, + }, "nn.quantized.dynamic.RNNBase.from_float only works for nn.LSTM and nn.GRU" + assert hasattr(mod, "qconfig"), "Input float module must have qconfig defined" + + if mod.qconfig is not None and mod.qconfig.weight is not None: + weight_observer_method = mod.qconfig.weight + else: + # We have the circular import issues if we import the qconfig in the beginning of this file: + # https://github.com/pytorch/pytorch/pull/24231. The current workaround is to postpone the + # import until we need it. + from torch.ao.quantization.qconfig import default_dynamic_qconfig + + weight_observer_method = default_dynamic_qconfig.weight + + dtype = weight_observer_method().dtype + supported_scalar_types = [torch.qint8, torch.float16] + if dtype not in supported_scalar_types: + raise RuntimeError( + f"Unsupported dtype for dynamic RNN quantization: {dtype}" + ) + # RNNBase can be either LSTM or GRU + qRNNBase: Union[LSTM, GRU] + if mod.mode == "LSTM": + qRNNBase = LSTM( + mod.input_size, + mod.hidden_size, + mod.num_layers, + mod.bias, + mod.batch_first, + mod.dropout, + mod.bidirectional, + dtype, + ) + elif mod.mode == "GRU": + qRNNBase = GRU( + mod.input_size, + mod.hidden_size, + mod.num_layers, + mod.bias, + mod.batch_first, + mod.dropout, + mod.bidirectional, + dtype, + ) + else: + raise NotImplementedError( + "Only LSTM/GRU is supported for QuantizedRNN for now" + ) + + num_directions = 2 if mod.bidirectional else 1 + + assert mod.bias + + _all_weight_values = [] + for layer in range(qRNNBase.num_layers): + for direction in range(num_directions): + suffix = "_reverse" if direction == 1 else "" + + def retrieve_weight_bias(ihhh): + weight_name = f"weight_{ihhh}_l{layer}{suffix}" + bias_name = f"bias_{ihhh}_l{layer}{suffix}" + weight = getattr(mod, weight_name) + bias = getattr(mod, bias_name) + return weight, bias + + weight_ih, bias_ih = retrieve_weight_bias("ih") + weight_hh, bias_hh = retrieve_weight_bias("hh") + + if dtype == torch.qint8: + + def quantize_and_pack(w, b): + weight_observer = weight_observer_method() + weight_observer(w) + qweight = _quantize_weight(w.float(), weight_observer) + packed_weight = torch.ops.quantized.linear_prepack(qweight, b) + return packed_weight + + packed_ih = quantize_and_pack(weight_ih, bias_ih) + packed_hh = quantize_and_pack(weight_hh, bias_hh) + if qRNNBase.version is None or qRNNBase.version < 2: + cell_params = ( + torch.ops.quantized.make_quantized_cell_params_dynamic( + packed_ih, packed_hh, bias_ih, bias_hh + ) + ) + else: + cell_params = ( + torch.ops.quantized.make_quantized_cell_params_dynamic( + packed_ih, packed_hh, bias_ih, bias_hh, True + ) + ) + + elif dtype == torch.float16: + packed_ih = torch.ops.quantized.linear_prepack_fp16( + weight_ih.float(), bias_ih + ) + packed_hh = torch.ops.quantized.linear_prepack_fp16( + weight_hh.float(), bias_hh + ) + + cell_params = torch.ops.quantized.make_quantized_cell_params_fp16( + packed_ih, packed_hh + ) + else: + raise RuntimeError( + "Unsupported dtype specified for dynamic quantized LSTM!" + ) + + _all_weight_values.append(PackedParameter(cell_params)) + qRNNBase._all_weight_values = torch.nn.ModuleList(_all_weight_values) + + return qRNNBase + + def _weight_bias(self): + # Returns a dict of weights and biases + weight_bias_dict: Dict[str, Dict] = {"weight": {}, "bias": {}} + count = 0 + num_directions = 2 if self.bidirectional else 1 + for layer in range(self.num_layers): + for direction in range(num_directions): + suffix = "_reverse" if direction == 1 else "" + key_name1 = f"weight_ih_l{layer}{suffix}" + key_name2 = f"weight_hh_l{layer}{suffix}" + # packed weights are part of torchbind class, CellParamsSerializationType + # Within the packed weight class, the weight and bias are accessible as Tensors + packed_weight_bias = self._all_weight_values[ # type: ignore[index] + count + ].param.__getstate__()[0][4] + weight_bias_dict["weight"][key_name1] = packed_weight_bias[ + 0 + ].__getstate__()[0][0] + weight_bias_dict["weight"][key_name2] = packed_weight_bias[ + 1 + ].__getstate__()[0][0] + key_name1 = f"bias_ih_l{layer}{suffix}" + key_name2 = f"bias_hh_l{layer}{suffix}" + weight_bias_dict["bias"][key_name1] = packed_weight_bias[ + 0 + ].__getstate__()[0][1] + weight_bias_dict["bias"][key_name2] = packed_weight_bias[ + 1 + ].__getstate__()[0][1] + count = count + 1 + return weight_bias_dict + + def get_weight(self): + return self._weight_bias()["weight"] + + def get_bias(self): + return self._weight_bias()["bias"] + + +class LSTM(RNNBase): + r""" + A dynamic quantized LSTM module with floating point tensor as inputs and outputs. + We adopt the same interface as `torch.nn.LSTM`, please see + https://pytorch.org/docs/stable/nn.html#torch.nn.LSTM for documentation. + + Examples:: + + >>> # xdoctest: +SKIP + >>> rnn = nn.LSTM(10, 20, 2) + >>> input = torch.randn(5, 3, 10) + >>> h0 = torch.randn(2, 3, 20) + >>> c0 = torch.randn(2, 3, 20) + >>> output, (hn, cn) = rnn(input, (h0, c0)) + """ + _FLOAT_MODULE = nn.LSTM + + __overloads__ = {"forward": ["forward_packed", "forward_tensor"]} + + def __init__(self, *args, **kwargs): + super().__init__("LSTM", *args, **kwargs) + + def _get_name(self): + return "DynamicQuantizedLSTM" + + def forward_impl( + self, + input: Tensor, + hx: Optional[tuple[Tensor, Tensor]], + batch_sizes: Optional[Tensor], + max_batch_size: int, + sorted_indices: Optional[Tensor], + ) -> tuple[Tensor, tuple[Tensor, Tensor]]: + if hx is None: + num_directions = 2 if self.bidirectional else 1 + zeros = torch.zeros( + self.num_layers * num_directions, + max_batch_size, + self.hidden_size, + dtype=input.dtype, + device=input.device, + ) + hx = (zeros, zeros) + else: + # Each batch of the hidden state should match the input sequence that + # the user believes he/she is passing in. + hx = self.permute_hidden(hx, sorted_indices) + + self.check_forward_args(input, hx, batch_sizes) + + _all_params = [m.param for m in self._all_weight_values] + if batch_sizes is None: + result = torch.quantized_lstm( + input, + hx, + _all_params, + self.bias, + self.num_layers, + float(self.dropout), + self.training, + self.bidirectional, + self.batch_first, + dtype=self.dtype, + use_dynamic=True, + ) + else: + result = torch.quantized_lstm( + input, + batch_sizes, + hx, + _all_params, + self.bias, + self.num_layers, + float(self.dropout), + self.training, + self.bidirectional, + dtype=self.dtype, + use_dynamic=True, + ) + output = result[0] + hidden = result[1:] + + return output, hidden + + @torch.jit.export + def forward_tensor( + self, input: Tensor, hx: Optional[tuple[Tensor, Tensor]] = None + ) -> tuple[Tensor, tuple[Tensor, Tensor]]: + batch_sizes = None + max_batch_size = input.size(0) if self.batch_first else input.size(1) + sorted_indices = None + unsorted_indices = None + + output, hidden = self.forward_impl( + input, hx, batch_sizes, max_batch_size, sorted_indices + ) + + return output, self.permute_hidden(hidden, unsorted_indices) + + @torch.jit.export + def forward_packed( + self, input: PackedSequence, hx: Optional[tuple[Tensor, Tensor]] = None + ) -> tuple[PackedSequence, tuple[Tensor, Tensor]]: + input_, batch_sizes, sorted_indices, unsorted_indices = input + max_batch_size = int(batch_sizes[0]) + + output_, hidden = self.forward_impl( + input_, hx, batch_sizes, max_batch_size, sorted_indices + ) + + output = PackedSequence(output_, batch_sizes, sorted_indices, unsorted_indices) + return output, self.permute_hidden(hidden, unsorted_indices) + + # "type: ignore" is required due to issue #43072 + def permute_hidden( # type: ignore[override] + self, + hx: tuple[Tensor, Tensor], + permutation: Optional[Tensor], + ) -> tuple[Tensor, Tensor]: + if permutation is None: + return hx + return _apply_permutation(hx[0], permutation), _apply_permutation( + hx[1], permutation + ) + + # "type: ignore" is required due to issue #43072 + def check_forward_args( # type: ignore[override] + self, + input: Tensor, + hidden: tuple[Tensor, Tensor], + batch_sizes: Optional[Tensor], + ) -> None: + self.check_input(input, batch_sizes) + expected_hidden_size = self.get_expected_hidden_size(input, batch_sizes) + + self.check_hidden_size( + hidden[0], expected_hidden_size, "Expected hidden[0] size {}, got {}" + ) + self.check_hidden_size( + hidden[1], expected_hidden_size, "Expected hidden[1] size {}, got {}" + ) + + @torch.jit.ignore + def forward(self, input, hx=None): + if isinstance(input, PackedSequence): + return self.forward_packed(input, hx) + else: + return self.forward_tensor(input, hx) + + @classmethod + def from_float(cls, mod, use_precomputed_fake_quant=False): + return super().from_float( + mod, use_precomputed_fake_quant=use_precomputed_fake_quant + ) + + @classmethod + def from_reference(cls, ref_mod): + assert hasattr(ref_mod, "weight_ih_l0_dtype"), "We are assuming weight_ih_l0 " + "exists in LSTM, may need to relax the assumption to support the use case" + qmod = cls( + ref_mod.input_size, + ref_mod.hidden_size, + ref_mod.num_layers, + ref_mod.bias, + ref_mod.batch_first, + ref_mod.dropout, + ref_mod.bidirectional, + # assuming there is layer 0, which should be OK + ref_mod.weight_ih_l0_dtype, + ) + qmod.set_weight_bias(ref_mod.get_quantized_weight_bias_dict()) + return qmod + + +class GRU(RNNBase): + r"""Applies a multi-layer gated recurrent unit (GRU) RNN to an input sequence. + + + For each element in the input sequence, each layer computes the following + function: + + .. math:: + \begin{array}{ll} + r_t = \sigma(W_{ir} x_t + b_{ir} + W_{hr} h_{(t-1)} + b_{hr}) \\ + z_t = \sigma(W_{iz} x_t + b_{iz} + W_{hz} h_{(t-1)} + b_{hz}) \\ + n_t = \tanh(W_{in} x_t + b_{in} + r_t \odot (W_{hn} h_{(t-1)}+ b_{hn})) \\ + h_t = (1 - z_t) \odot n_t + z_t \odot h_{(t-1)} + \end{array} + + where :math:`h_t` is the hidden state at time `t`, :math:`x_t` is the input + at time `t`, :math:`h_{(t-1)}` is the hidden state of the layer + at time `t-1` or the initial hidden state at time `0`, and :math:`r_t`, + :math:`z_t`, :math:`n_t` are the reset, update, and new gates, respectively. + :math:`\sigma` is the sigmoid function, and :math:`\odot` is the Hadamard product. + + In a multilayer GRU, the input :math:`x^{(l)}_t` of the :math:`l` -th layer + (:math:`l >= 2`) is the hidden state :math:`h^{(l-1)}_t` of the previous layer multiplied by + dropout :math:`\delta^{(l-1)}_t` where each :math:`\delta^{(l-1)}_t` is a Bernoulli random + variable which is :math:`0` with probability :attr:`dropout`. + + Args: + input_size: The number of expected features in the input `x` + hidden_size: The number of features in the hidden state `h` + num_layers: Number of recurrent layers. E.g., setting ``num_layers=2`` + would mean stacking two GRUs together to form a `stacked GRU`, + with the second GRU taking in outputs of the first GRU and + computing the final results. Default: 1 + bias: If ``False``, then the layer does not use bias weights `b_ih` and `b_hh`. + Default: ``True`` + batch_first: If ``True``, then the input and output tensors are provided + as (batch, seq, feature). Default: ``False`` + dropout: If non-zero, introduces a `Dropout` layer on the outputs of each + GRU layer except the last layer, with dropout probability equal to + :attr:`dropout`. Default: 0 + bidirectional: If ``True``, becomes a bidirectional GRU. Default: ``False`` + + Inputs: input, h_0 + - **input** of shape `(seq_len, batch, input_size)`: tensor containing the features + of the input sequence. The input can also be a packed variable length + sequence. See :func:`torch.nn.utils.rnn.pack_padded_sequence` + for details. + - **h_0** of shape `(num_layers * num_directions, batch, hidden_size)`: tensor + containing the initial hidden state for each element in the batch. + Defaults to zero if not provided. If the RNN is bidirectional, + num_directions should be 2, else it should be 1. + + Outputs: output, h_n + - **output** of shape `(seq_len, batch, num_directions * hidden_size)`: tensor + containing the output features h_t from the last layer of the GRU, + for each `t`. If a :class:`torch.nn.utils.rnn.PackedSequence` has been + given as the input, the output will also be a packed sequence. + For the unpacked case, the directions can be separated + using ``output.view(seq_len, batch, num_directions, hidden_size)``, + with forward and backward being direction `0` and `1` respectively. + + Similarly, the directions can be separated in the packed case. + - **h_n** of shape `(num_layers * num_directions, batch, hidden_size)`: tensor + containing the hidden state for `t = seq_len` + + Like *output*, the layers can be separated using + ``h_n.view(num_layers, num_directions, batch, hidden_size)``. + + Shape: + - Input1: :math:`(L, N, H_{in})` tensor containing input features where + :math:`H_{in}=\text{input\_size}` and `L` represents a sequence length. + - Input2: :math:`(S, N, H_{out})` tensor + containing the initial hidden state for each element in the batch. + :math:`H_{out}=\text{hidden\_size}` + Defaults to zero if not provided. where :math:`S=\text{num\_layers} * \text{num\_directions}` + If the RNN is bidirectional, num_directions should be 2, else it should be 1. + - Output1: :math:`(L, N, H_{all})` where :math:`H_{all}=\text{num\_directions} * \text{hidden\_size}` + - Output2: :math:`(S, N, H_{out})` tensor containing the next hidden state + for each element in the batch + + Attributes: + weight_ih_l[k] : the learnable input-hidden weights of the :math:`\text{k}^{th}` layer + (W_ir|W_iz|W_in), of shape `(3*hidden_size, input_size)` for `k = 0`. + Otherwise, the shape is `(3*hidden_size, num_directions * hidden_size)` + weight_hh_l[k] : the learnable hidden-hidden weights of the :math:`\text{k}^{th}` layer + (W_hr|W_hz|W_hn), of shape `(3*hidden_size, hidden_size)` + bias_ih_l[k] : the learnable input-hidden bias of the :math:`\text{k}^{th}` layer + (b_ir|b_iz|b_in), of shape `(3*hidden_size)` + bias_hh_l[k] : the learnable hidden-hidden bias of the :math:`\text{k}^{th}` layer + (b_hr|b_hz|b_hn), of shape `(3*hidden_size)` + + .. note:: + All the weights and biases are initialized from :math:`\mathcal{U}(-\sqrt{k}, \sqrt{k})` + where :math:`k = \frac{1}{\text{hidden\_size}}` + + .. note:: + The calculation of new gate :math:`n_t` subtly differs from the original paper and other frameworks. + In the original implementation, the Hadamard product :math:`(\odot)` between :math:`r_t` and the + previous hidden state :math:`h_{(t-1)}` is done before the multiplication with the weight matrix + `W` and addition of bias: + + .. math:: + \begin{aligned} + n_t = \tanh(W_{in} x_t + b_{in} + W_{hn} ( r_t \odot h_{(t-1)} ) + b_{hn}) + \end{aligned} + + This is in contrast to PyTorch implementation, which is done after :math:`W_{hn} h_{(t-1)}` + + .. math:: + \begin{aligned} + n_t = \tanh(W_{in} x_t + b_{in} + r_t \odot (W_{hn} h_{(t-1)}+ b_{hn})) + \end{aligned} + + This implementation differs on purpose for efficiency. + + .. include:: ../cudnn_persistent_rnn.rst + + Examples:: + + >>> # xdoctest: +SKIP + >>> rnn = nn.GRU(10, 20, 2) + >>> input = torch.randn(5, 3, 10) + >>> h0 = torch.randn(2, 3, 20) + >>> output, hn = rnn(input, h0) + """ + _FLOAT_MODULE = nn.GRU + + __overloads__ = {"forward": ["forward_packed", "forward_tensor"]} + + def __init__(self, *args, **kwargs): + super().__init__("GRU", *args, **kwargs) + + def _get_name(self): + return "DynamicQuantizedGRU" + + def check_forward_args( + self, input: Tensor, hidden: Tensor, batch_sizes: Optional[Tensor] + ) -> None: + self.check_input(input, batch_sizes) + expected_hidden_size = self.get_expected_hidden_size(input, batch_sizes) + + self.check_hidden_size( + hidden, expected_hidden_size, "Expected hidden size {}, got {}" + ) + + def forward_impl( + self, + input: Tensor, + hx: Optional[Tensor], + batch_sizes: Optional[Tensor], + max_batch_size: int, + sorted_indices: Optional[Tensor], + ) -> tuple[Tensor, Tensor]: + if hx is None: + num_directions = 2 if self.bidirectional else 1 + zeros = torch.zeros( + self.num_layers * num_directions, + max_batch_size, + self.hidden_size, + dtype=input.dtype, + device=input.device, + ) + hx = zeros + else: + # Each batch of the hidden state should match the input sequence that + # the user believes he/she is passing in. + hx = self.permute_hidden(hx, sorted_indices) + + self.check_forward_args(input, hx, batch_sizes) + + _all_params = [m.param for m in self._all_weight_values] + if batch_sizes is None: + result = torch.quantized_gru( + input, + hx, + _all_params, + self.bias, + self.num_layers, + self.dropout, + self.training, + self.bidirectional, + self.batch_first, + ) + else: + result = torch.quantized_gru( + input, + batch_sizes, + hx, + _all_params, + self.bias, + self.num_layers, + self.dropout, + self.training, + self.bidirectional, + ) + output = result[0] + hidden = result[1] + + return output, hidden + + @torch.jit.export + def forward_tensor( + self, input: Tensor, hx: Optional[Tensor] = None + ) -> tuple[Tensor, Tensor]: + batch_sizes = None + max_batch_size = input.size(0) if self.batch_first else input.size(1) + sorted_indices = None + unsorted_indices = None + + output, hidden = self.forward_impl( + input, hx, batch_sizes, max_batch_size, sorted_indices + ) + + return output, self.permute_hidden(hidden, unsorted_indices) + + @torch.jit.export + def forward_packed( + self, input: PackedSequence, hx: Optional[Tensor] = None + ) -> tuple[PackedSequence, Tensor]: + input_, batch_sizes, sorted_indices, unsorted_indices = input + max_batch_size = int(batch_sizes[0]) + output_, hidden = self.forward_impl( + input_, hx, batch_sizes, max_batch_size, sorted_indices + ) + + output = PackedSequence(output_, batch_sizes, sorted_indices, unsorted_indices) + return output, self.permute_hidden(hidden, unsorted_indices) + + def permute_hidden(self, hx: Tensor, permutation: Optional[Tensor]) -> Tensor: + if permutation is None: + return hx + return _apply_permutation(hx, permutation) + + @torch.jit.ignore + def forward(self, input, hx=None): + if isinstance(input, PackedSequence): + return self.forward_packed(input, hx) + else: + return self.forward_tensor(input, hx) + + @classmethod + def from_float(cls, mod, use_precomputed_fake_quant=False): + return super().from_float( + mod, use_precomputed_fake_quant=use_precomputed_fake_quant + ) + + @classmethod + def from_reference(cls, ref_mod): + assert hasattr(ref_mod, "weight_ih_l0_dtype"), "We are assuming weight_ih_l0 " + "exists in LSTM, may need to relax the assumption to support the use case" + qmod = cls( + ref_mod.input_size, + ref_mod.hidden_size, + ref_mod.num_layers, + ref_mod.bias, + ref_mod.batch_first, + ref_mod.dropout, + ref_mod.bidirectional, + # assuming there is layer 0, which should be OK + ref_mod.weight_ih_l0_dtype, + ) + qmod.set_weight_bias(ref_mod.get_quantized_weight_bias_dict()) + return qmod + + +class RNNCellBase(torch.nn.Module): + # _FLOAT_MODULE = nn.CellRNNBase + __constants__ = ["input_size", "hidden_size", "bias"] + + def __init__( + self, input_size, hidden_size, bias=True, num_chunks=4, dtype=torch.qint8 + ): + super().__init__() + self.input_size = input_size + self.hidden_size = hidden_size + self.bias = bias + self.weight_dtype = dtype + if bias: + self.bias_ih = torch.randn(num_chunks * hidden_size).to(dtype=torch.float) + self.bias_hh = torch.randn(num_chunks * hidden_size).to(dtype=torch.float) + else: + self.register_parameter("bias_ih", None) + self.register_parameter("bias_hh", None) + + weight_ih = torch.randn(num_chunks * hidden_size, input_size).to(torch.float) + weight_hh = torch.randn(num_chunks * hidden_size, hidden_size).to(torch.float) + if dtype == torch.qint8: + weight_ih = torch.quantize_per_tensor( + weight_ih, scale=1, zero_point=0, dtype=torch.qint8 + ) + weight_hh = torch.quantize_per_tensor( + weight_hh, scale=1, zero_point=0, dtype=torch.qint8 + ) + + if dtype == torch.qint8: + # for each layer, for each direction we need to quantize and pack + # weights and pack parameters in this order: + # + # w_ih, w_hh + packed_weight_ih = torch.ops.quantized.linear_prepack( + weight_ih, self.bias_ih + ) + packed_weight_hh = torch.ops.quantized.linear_prepack( + weight_hh, self.bias_hh + ) + else: + # for each layer, for each direction we need to quantize and pack + # weights and pack parameters in this order: + # + # packed_ih, packed_hh, b_ih, b_hh + packed_weight_ih = torch.ops.quantized.linear_prepack_fp16( + weight_ih, self.bias_ih + ) + packed_weight_hh = torch.ops.quantized.linear_prepack_fp16( + weight_hh, self.bias_hh + ) + + self._packed_weight_ih = packed_weight_ih + self._packed_weight_hh = packed_weight_hh + + def _get_name(self): + return "DynamicQuantizedRNNBase" + + def extra_repr(self): + s = "{input_size}, {hidden_size}" + if "bias" in self.__dict__ and self.bias is not True: + s += ", bias={bias}" + if "nonlinearity" in self.__dict__ and self.nonlinearity != "tanh": + s += ", nonlinearity={nonlinearity}" + return s.format(**self.__dict__) + + def check_forward_input(self, input): + if input.size(1) != self.input_size: + raise RuntimeError( + f"input has inconsistent input_size: got {input.size(1)}, expected {self.input_size}" + ) + + def check_forward_hidden( + self, input: Tensor, hx: Tensor, hidden_label: str = "" + ) -> None: + if input.size(0) != hx.size(0): + raise RuntimeError( + f"Input batch size {input.size(0)} doesn't match hidden{hidden_label} batch size {hx.size(0)}" + ) + + if hx.size(1) != self.hidden_size: + raise RuntimeError( + f"hidden{hidden_label} has inconsistent hidden_size: got {hx.size(1)}, expected {self.hidden_size}" + ) + + @classmethod + def from_float(cls, mod, use_precomputed_fake_quant=False): + assert type(mod) in { + torch.nn.LSTMCell, + torch.nn.GRUCell, + torch.nn.RNNCell, + }, "nn.quantized.dynamic.RNNCellBase.from_float \ + only works for nn.LSTMCell, nn.GRUCell and nn.RNNCell" + assert hasattr(mod, "qconfig"), "Input float module must have qconfig defined" + + if mod.qconfig is not None and mod.qconfig.weight is not None: + weight_observer_method = mod.qconfig.weight + else: + # We have the circular import issues if we import the qconfig in the beginning of this file: + # https://github.com/pytorch/pytorch/pull/24231. The current workaround is to postpone the + # import until we need it. + from torch.ao.quantization.qconfig import default_dynamic_qconfig + + weight_observer_method = default_dynamic_qconfig.weight + + dtype = weight_observer_method().dtype + supported_scalar_types = [torch.qint8, torch.float16] + if dtype not in supported_scalar_types: + raise RuntimeError( + f"Unsupported dtype for dynamic RNN quantization: {dtype}" + ) + + qRNNCellBase: Union[LSTMCell, GRUCell, RNNCell] + + if type(mod) == torch.nn.LSTMCell: + qRNNCellBase = LSTMCell( + mod.input_size, mod.hidden_size, bias=mod.bias, dtype=dtype + ) + elif type(mod) == torch.nn.GRUCell: + qRNNCellBase = GRUCell( + mod.input_size, mod.hidden_size, bias=mod.bias, dtype=dtype + ) + elif type(mod) == torch.nn.RNNCell: + qRNNCellBase = RNNCell( + mod.input_size, + mod.hidden_size, + bias=mod.bias, + nonlinearity=mod.nonlinearity, + dtype=dtype, + ) + else: + raise NotImplementedError( + "Only LSTMCell, GRUCell and RNNCell \ + are supported for QuantizedRNN for now" + ) + + assert mod.bias + + def _observe_and_quantize_weight(weight): + if dtype == torch.qint8: + weight_observer = weight_observer_method() + weight_observer(weight) + qweight = _quantize_weight(weight.float(), weight_observer) + return qweight + else: + return weight.float() + + qRNNCellBase._packed_weight_ih = pack_weight_bias( + _observe_and_quantize_weight(mod.weight_ih), mod.bias_ih, dtype + ) + qRNNCellBase._packed_weight_hh = pack_weight_bias( + _observe_and_quantize_weight(mod.weight_hh), mod.bias_hh, dtype + ) + return qRNNCellBase + + @classmethod + def from_reference(cls, ref_mod): + assert hasattr(ref_mod, "weight_ih_dtype"), "We are assuming weight_ih " + "exists in reference module, may need to relax the assumption to support the use case" + if hasattr(ref_mod, "nonlinearity"): + qmod = cls( + ref_mod.input_size, + ref_mod.hidden_size, + ref_mod.bias, + ref_mod.nonlinearity, + dtype=ref_mod.weight_ih_dtype, + ) + else: + qmod = cls( + ref_mod.input_size, + ref_mod.hidden_size, + ref_mod.bias, + dtype=ref_mod.weight_ih_dtype, + ) + weight_bias_dict = { + "weight": { + "weight_ih": ref_mod.get_quantized_weight_ih(), + "weight_hh": ref_mod.get_quantized_weight_hh(), + }, + "bias": { + "bias_ih": ref_mod.bias_ih, + "bias_hh": ref_mod.bias_hh, + }, + } + qmod.set_weight_bias(weight_bias_dict) + return qmod + + def _weight_bias(self): + # Returns a dict of weights and biases + weight_bias_dict: Dict[str, Dict] = {"weight": {}, "bias": {}} + w1, b1 = self._packed_weight_ih.__getstate__()[0] + w2, b2 = self._packed_weight_hh.__getstate__()[0] + # TODO: these can be simplified to one level? e.g. using weight_ih as key + # directly + weight_bias_dict["weight"]["weight_ih"] = w1 + weight_bias_dict["weight"]["weight_hh"] = w2 + weight_bias_dict["bias"]["bias_ih"] = b1 + weight_bias_dict["bias"]["bias_hh"] = b2 + return weight_bias_dict + + def get_weight(self): + return self._weight_bias()["weight"] + + def get_bias(self): + return self._weight_bias()["bias"] + + def set_weight_bias(self, weight_bias_dict): + # TODO: these can be simplified to one level? e.g. using weight_ih as key + # directly + self._packed_weight_ih = pack_weight_bias( + weight_bias_dict["weight"]["weight_ih"], + weight_bias_dict["bias"]["bias_ih"], + self.weight_dtype, + ) + self._packed_weight_hh = pack_weight_bias( + weight_bias_dict["weight"]["weight_hh"], + weight_bias_dict["bias"]["bias_hh"], + self.weight_dtype, + ) + + def _save_to_state_dict(self, destination, prefix, keep_vars): + super()._save_to_state_dict(destination, prefix, keep_vars) + destination[prefix + "_packed_weight_ih"] = self._packed_weight_ih + destination[prefix + "_packed_weight_hh"] = self._packed_weight_hh + + def _load_from_state_dict( + self, + state_dict, + prefix, + local_metadata, + strict, + missing_keys, + unexpected_keys, + error_msgs, + ): + self._packed_weight_ih = state_dict.pop(prefix + "_packed_weight_ih") + self._packed_weight_hh = state_dict.pop(prefix + "_packed_weight_hh") + super()._load_from_state_dict( + state_dict, + prefix, + local_metadata, + False, + missing_keys, + unexpected_keys, + error_msgs, + ) + + +class RNNCell(RNNCellBase): + r"""An Elman RNN cell with tanh or ReLU non-linearity. + A dynamic quantized RNNCell module with floating point tensor as inputs and outputs. + Weights are quantized to 8 bits. We adopt the same interface as `torch.nn.RNNCell`, + please see https://pytorch.org/docs/stable/nn.html#torch.nn.RNNCell for documentation. + + Examples:: + + >>> # xdoctest: +SKIP + >>> rnn = nn.RNNCell(10, 20) + >>> input = torch.randn(6, 3, 10) + >>> hx = torch.randn(3, 20) + >>> output = [] + >>> for i in range(6): + ... hx = rnn(input[i], hx) + ... output.append(hx) + """ + __constants__ = ["input_size", "hidden_size", "bias", "nonlinearity"] + + def __init__( + self, input_size, hidden_size, bias=True, nonlinearity="tanh", dtype=torch.qint8 + ): + super().__init__(input_size, hidden_size, bias, num_chunks=1, dtype=dtype) + self.nonlinearity = nonlinearity + + def _get_name(self): + return "DynamicQuantizedRNNCell" + + def forward(self, input: Tensor, hx: Optional[Tensor] = None) -> Tensor: + self.check_forward_input(input) + if hx is None: + hx = torch.zeros( + input.size(0), self.hidden_size, dtype=input.dtype, device=input.device + ) + self.check_forward_hidden(input, hx, "") + if self.nonlinearity == "tanh": + ret = torch.ops.quantized.quantized_rnn_tanh_cell_dynamic( + input, + hx, + self._packed_weight_ih, + self._packed_weight_hh, + self.bias_ih, + self.bias_hh, + ) + elif self.nonlinearity == "relu": + ret = torch.ops.quantized.quantized_rnn_relu_cell_dynamic( + input, + hx, + self._packed_weight_ih, + self._packed_weight_hh, + self.bias_ih, + self.bias_hh, + ) + else: + ret = input # TODO: remove when jit supports exception flow + raise RuntimeError(f"Unknown nonlinearity: {self.nonlinearity}") + return ret + + @classmethod + def from_float(cls, mod, use_precomputed_fake_quant=False): + return super().from_float( + mod, use_precomputed_fake_quant=use_precomputed_fake_quant + ) + + +class LSTMCell(RNNCellBase): + r"""A long short-term memory (LSTM) cell. + + A dynamic quantized LSTMCell module with floating point tensor as inputs and outputs. + Weights are quantized to 8 bits. We adopt the same interface as `torch.nn.LSTMCell`, + please see https://pytorch.org/docs/stable/nn.html#torch.nn.LSTMCell for documentation. + + Examples:: + + >>> # xdoctest: +SKIP + >>> rnn = nn.LSTMCell(10, 20) + >>> input = torch.randn(6, 3, 10) + >>> hx = torch.randn(3, 20) + >>> cx = torch.randn(3, 20) + >>> output = [] + >>> for i in range(6): + ... hx, cx = rnn(input[i], (hx, cx)) + ... output.append(hx) + """ + + def __init__(self, *args, **kwargs): + super().__init__(*args, num_chunks=4, **kwargs) # type: ignore[misc] + + def _get_name(self): + return "DynamicQuantizedLSTMCell" + + def forward( + self, input: Tensor, hx: Optional[tuple[Tensor, Tensor]] = None + ) -> tuple[Tensor, Tensor]: + self.check_forward_input(input) + if hx is None: + zeros = torch.zeros( + input.size(0), self.hidden_size, dtype=input.dtype, device=input.device + ) + hx = (zeros, zeros) + self.check_forward_hidden(input, hx[0], "[0]") + self.check_forward_hidden(input, hx[1], "[1]") + return torch.ops.quantized.quantized_lstm_cell_dynamic( + input, + hx, + self._packed_weight_ih, + self._packed_weight_hh, + self.bias_ih, + self.bias_hh, + ) + + @classmethod + def from_float(cls, mod, use_precomputed_fake_quant=False): + return super().from_float( + mod, use_precomputed_fake_quant=use_precomputed_fake_quant + ) + + +class GRUCell(RNNCellBase): + r"""A gated recurrent unit (GRU) cell + + A dynamic quantized GRUCell module with floating point tensor as inputs and outputs. + Weights are quantized to 8 bits. We adopt the same interface as `torch.nn.GRUCell`, + please see https://pytorch.org/docs/stable/nn.html#torch.nn.GRUCell for documentation. + + Examples:: + + >>> # xdoctest: +SKIP + >>> rnn = nn.GRUCell(10, 20) + >>> input = torch.randn(6, 3, 10) + >>> hx = torch.randn(3, 20) + >>> output = [] + >>> for i in range(6): + ... hx = rnn(input[i], hx) + ... output.append(hx) + """ + + def __init__(self, input_size, hidden_size, bias=True, dtype=torch.qint8): + super().__init__(input_size, hidden_size, bias, num_chunks=3, dtype=dtype) + + def _get_name(self): + return "DynamicQuantizedGRUCell" + + def forward(self, input: Tensor, hx: Optional[Tensor] = None) -> Tensor: + self.check_forward_input(input) + if hx is None: + hx = torch.zeros( + input.size(0), self.hidden_size, dtype=input.dtype, device=input.device + ) + self.check_forward_hidden(input, hx, "") + return torch.ops.quantized.quantized_gru_cell_dynamic( + input, + hx, + self._packed_weight_ih, + self._packed_weight_hh, + self.bias_ih, + self.bias_hh, + ) + + @classmethod + def from_float(cls, mod, use_precomputed_fake_quant=False): + return super().from_float( + mod, use_precomputed_fake_quant=use_precomputed_fake_quant + ) diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/modules/__pycache__/__init__.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/modules/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..9bd81aa12d96d3e3147415e3ebe05560836557b2 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/modules/__pycache__/__init__.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/modules/__pycache__/activation.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/modules/__pycache__/activation.cpython-312.pyc new file mode 100644 index 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Conv3d, + ConvTranspose1d, + ConvTranspose2d, + ConvTranspose3d, +) +from .linear import Linear +from .rnn import GRU, GRUCell, LSTM, LSTMCell, RNNCell +from .sparse import Embedding, EmbeddingBag + + +__all__ = [ + "Linear", + "Conv1d", + "Conv2d", + "Conv3d", + "ConvTranspose1d", + "ConvTranspose2d", + "ConvTranspose3d", + "RNNCell", + "LSTMCell", + "GRUCell", + "LSTM", + "GRU", + "Embedding", + "EmbeddingBag", +] diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/__pycache__/__init__.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..b3f19ed4938d988f61c171dc794bc508cf9597b8 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/__pycache__/__init__.cpython-312.pyc differ diff --git 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0000000000000000000000000000000000000000..cbe2fdca52e5cd097deacc1763465216b5e5dccd --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/conv.py @@ -0,0 +1,511 @@ +# mypy: allow-untyped-defs +from typing import Any, Optional + +import torch +import torch.nn as nn +import torch.nn.functional as F +from torch.nn.common_types import _size_1_t + +from .utils import ReferenceQuantizedModule + + +__all__ = [ + "Conv1d", + "Conv2d", + "Conv3d", + "ConvTranspose1d", + "ConvTranspose2d", + "ConvTranspose3d", +] + + +class _ConvNd(torch.nn.modules.conv._ConvNd, ReferenceQuantizedModule): + """A reference version of nn.quantized.Conv2d + we will not pack the parameters in this module, since weight packing is an + optimization for quantized backends supported in PyTorch (fbgemm/qnnpack), + this is useful when user want to use this module in other backends like Glow. + """ + + __annotations__ = {"bias": Optional[torch.Tensor]} + _IS_REFERENCE = True + + @staticmethod + def from_float(cls, float_conv, weight_qparams): + qref_conv = cls( + float_conv.in_channels, + float_conv.out_channels, + float_conv.kernel_size, # type: ignore[arg-type] + float_conv.stride, # type: ignore[arg-type] + float_conv.padding, # type: ignore[arg-type] + float_conv.dilation, # type: ignore[arg-type] + float_conv.groups, + float_conv.bias is not None, # type: ignore[arg-type] + float_conv.padding_mode, + device=float_conv.weight.device, + dtype=float_conv.weight.dtype, + weight_qparams=weight_qparams, + ) + qref_conv.weight = torch.nn.Parameter(float_conv.weight.detach()) + if float_conv.bias is not None: + qref_conv.bias = torch.nn.Parameter(float_conv.bias.detach()) + return qref_conv + + +class Conv1d(_ConvNd, nn.Conv1d): + def __init__( + self, + in_channels: int, + out_channels: int, + kernel_size: _size_1_t, + stride: _size_1_t = 1, + padding: _size_1_t = 0, + dilation: _size_1_t = 1, + groups: int = 1, + bias: bool = True, + padding_mode: str = "zeros", + device=None, + dtype=None, + weight_qparams: Optional[dict[str, Any]] = None, + ): + nn.Conv1d.__init__( + self, + in_channels, + out_channels, + kernel_size, + stride, + padding, + dilation, + groups, + bias, + padding_mode, + device, + dtype, + ) + self._init_weight_qparams(weight_qparams, device) + + def forward(self, x: torch.Tensor) -> torch.Tensor: + """ + we have: + w(float) -- quant - dequant \ + x(float) ------------- F.conv1d --- + + In the full model, we will see + w(float) -- quant - *dequant \ + x -- quant --- *dequant -- *F.conv1d --- *quant - dequant + and the backend should be able to fuse the ops with `*` into a quantized conv1d + """ + weight_quant_dequant = self.get_weight() + result = F.conv1d( + x, + weight_quant_dequant, + self.bias, + self.stride, + self.padding, + self.dilation, + self.groups, + ) + return result + + def _get_name(self): + return "QuantizedConv1d(Reference)" + + @classmethod + def from_float(cls, float_conv, weight_qparams): + return _ConvNd.from_float(cls, float_conv, weight_qparams) + + +class Conv2d(_ConvNd, nn.Conv2d): + def __init__( + self, + in_channels, + out_channels, + kernel_size, + stride=1, + padding=0, + dilation=1, + groups=1, + bias=True, + padding_mode="zeros", + device=None, + dtype=None, + weight_qparams: Optional[dict[str, Any]] = None, + ): + nn.Conv2d.__init__( + self, + in_channels, + out_channels, + kernel_size, + stride, + padding, + dilation, + groups, + bias, + padding_mode, + device, + dtype, + ) + self._init_weight_qparams(weight_qparams, device) + + def forward(self, x: torch.Tensor) -> torch.Tensor: + """ + we have: + w(float) -- quant - dequant \ + x(float) ------------- F.conv2d --- + + In the full model, we will see + w(float) -- quant - *dequant \ + x -- quant --- *dequant -- *F.conv2d --- *quant - dequant + and the backend should be able to fuse the ops with `*` into a quantized conv2d + """ + weight_quant_dequant = self.get_weight() + result = F.conv2d( + x, + weight_quant_dequant, + self.bias, + self.stride, + self.padding, + self.dilation, + self.groups, + ) + return result + + def _get_name(self): + return "QuantizedConv2d(Reference)" + + @classmethod + def from_float(cls, float_conv, weight_qparams): + return _ConvNd.from_float(cls, float_conv, weight_qparams) + + +class Conv3d(_ConvNd, nn.Conv3d): + def __init__( + self, + in_channels, + out_channels, + kernel_size, + stride=1, + padding=0, + dilation=1, + groups=1, + bias=True, + padding_mode="zeros", + device=None, + dtype=None, + weight_qparams: Optional[dict[str, Any]] = None, + ): + nn.Conv3d.__init__( + self, + in_channels, + out_channels, + kernel_size, + stride, + padding, + dilation, + groups, + bias, + padding_mode, + device, + dtype, + ) + self._init_weight_qparams(weight_qparams, device) + + def forward(self, x: torch.Tensor) -> torch.Tensor: + """ + we have: + w(float) -- quant - dequant \ + x(float) ------------- F.conv3d --- + + In the full model, we will see + w(float) -- quant - *dequant \ + x -- quant --- *dequant -- *F.conv3d --- *quant - dequant + and the backend should be able to fuse the ops with `*` into a quantized conv3d + """ + weight_quant_dequant = self.get_weight() + result = F.conv3d( + x, + weight_quant_dequant, + self.bias, + self.stride, + self.padding, + self.dilation, + self.groups, + ) + return result + + def _get_name(self): + return "QuantizedConv3d(Reference)" + + @classmethod + def from_float(cls, float_conv, weight_qparams): + return _ConvNd.from_float(cls, float_conv, weight_qparams) + + +class _ConvTransposeNd(_ConvNd, torch.nn.modules.conv._ConvTransposeNd): + """A reference version of nn.quantized.ConvTranspose2d + we will not pack the parameters in this module, since weight packing is an + optimization for quantized backends supported in PyTorch (fbgemm/qnnpack), + this is useful when user want to use this module in other backends like Glow. + """ + + @staticmethod + def from_float(cls, float_conv, weight_qparams): + qref_conv = cls( + float_conv.in_channels, + float_conv.out_channels, + float_conv.kernel_size, # type: ignore[arg-type] + float_conv.stride, # type: ignore[arg-type] + float_conv.padding, # type: ignore[arg-type] + float_conv.output_padding, # type: ignore[arg-type] + float_conv.groups, + float_conv.bias is not None, # type: ignore[arg-type] + float_conv.dilation, # type: ignore[arg-type] + float_conv.padding_mode, + device=float_conv.weight.device, + dtype=float_conv.weight.dtype, + weight_qparams=weight_qparams, + ) + qref_conv.weight = torch.nn.Parameter(float_conv.weight.detach()) + if float_conv.bias is not None: + qref_conv.bias = torch.nn.Parameter(float_conv.bias.detach()) + return qref_conv + + +class ConvTranspose1d(_ConvTransposeNd, nn.ConvTranspose1d): + def __init__( + self, + in_channels: int, + out_channels: int, + kernel_size: _size_1_t, + stride: _size_1_t = 1, + padding: _size_1_t = 0, + output_padding: _size_1_t = 0, + groups: int = 1, + bias: bool = True, + dilation: _size_1_t = 1, + padding_mode: str = "zeros", + device=None, + dtype=None, + weight_qparams: Optional[dict[str, Any]] = None, + ): + nn.ConvTranspose1d.__init__( + self, + in_channels, + out_channels, + kernel_size, + stride, + padding, + output_padding, + groups, + bias, + dilation, + padding_mode, + device, + dtype, + ) + self._init_weight_qparams(weight_qparams, device) + + def forward( + self, x: torch.Tensor, output_size: Optional[list[int]] = None + ) -> torch.Tensor: + """ + we have: + w(float) -- quant - dequant \ + x(float) ------------- F.convTranspose1d --- + In the full model, we will see + w(float) -- quant - *dequant \ + x -- quant --- *dequant -- *F.convTranspose1d --- *quant - dequant + and the backend should be able to fuse the ops with `*` into a quantized conv1d + """ + + assert isinstance(self.padding, tuple) + # One cannot replace List by Tuple or Sequence in "_output_padding" because + # TorchScript does not support `Sequence[T]` or `Tuple[T, ...]`. + output_padding = self._output_padding( + input, # type: ignore[arg-type] + output_size, + self.stride, # type: ignore[arg-type] + self.padding, # type: ignore[arg-type] + self.kernel_size, # type: ignore[arg-type] + self.dilation, # type: ignore[arg-type] + ) + + weight_quant_dequant = self.get_weight() + result = F.conv_transpose1d( + x, + weight_quant_dequant, + self.bias, + self.stride, + self.padding, + output_padding, + self.groups, + self.dilation, + ) + return result + + def _get_name(self): + return "QuantizedConvTranspose1d(Reference)" + + @classmethod + def from_float(cls, float_conv, weight_qparams): + return _ConvTransposeNd.from_float(cls, float_conv, weight_qparams) + + +class ConvTranspose2d(_ConvTransposeNd, nn.ConvTranspose2d): + def __init__( + self, + in_channels, + out_channels, + kernel_size, + stride=1, + padding=0, + output_padding=0, + groups=1, + bias=True, + dilation=1, + padding_mode="zeros", + device=None, + dtype=None, + weight_qparams: Optional[dict[str, Any]] = None, + ): + nn.ConvTranspose2d.__init__( + self, + in_channels, + out_channels, + kernel_size, + stride, + padding, + output_padding, + groups, + bias, + dilation, + padding_mode, + device, + dtype, + ) + self._init_weight_qparams(weight_qparams, device) + + def forward( + self, x: torch.Tensor, output_size: Optional[list[int]] = None + ) -> torch.Tensor: + """ + we have: + w(float) -- quant - dequant \ + x(float) ------------- F.convTranspose2d --- + In the full model, we will see + w(float) -- quant - *dequant \ + x -- quant --- *dequant -- *F.convTranspose2d --- *quant - dequant + and the backend should be able to fuse the ops with `*` into a quantized conv2d + """ + assert isinstance(self.padding, tuple) + # One cannot replace List by Tuple or Sequence in "_output_padding" because + # TorchScript does not support `Sequence[T]` or `Tuple[T, ...]`. + + output_padding = self._output_padding( + input, # type: ignore[arg-type] + output_size, + self.stride, # type: ignore[arg-type] + self.padding, # type: ignore[arg-type] + self.kernel_size, # type: ignore[arg-type] + self.dilation, # type: ignore[arg-type] + ) + + weight_quant_dequant = self.get_weight() + result = F.conv_transpose2d( + x, + weight_quant_dequant, + self.bias, + self.stride, + self.padding, + output_padding, + self.groups, + self.dilation, + ) + + return result + + def _get_name(self): + return "QuantizedConvTranspose2d(Reference)" + + @classmethod + def from_float(cls, float_conv, weight_qparams): + return _ConvTransposeNd.from_float(cls, float_conv, weight_qparams) + + +class ConvTranspose3d(_ConvTransposeNd, nn.ConvTranspose3d): + def __init__( + self, + in_channels, + out_channels, + kernel_size, + stride=1, + padding=0, + output_padding=0, + groups=1, + bias=True, + dilation=1, + padding_mode="zeros", + device=None, + dtype=None, + weight_qparams: Optional[dict[str, Any]] = None, + ): + nn.ConvTranspose3d.__init__( + self, + in_channels, + out_channels, + kernel_size, + stride, + padding, + output_padding, + groups, + bias, + dilation, + padding_mode, + device, + dtype, + ) + self._init_weight_qparams(weight_qparams, device) + + def forward( + self, x: torch.Tensor, output_size: Optional[list[int]] = None + ) -> torch.Tensor: + """ + we have: + w(float) -- quant - dequant \ + x(float) ------------- F.convTranspose3d --- + In the full model, we will see + w(float) -- quant - *dequant \ + x -- quant --- *dequant -- *F.convTranspose3d --- *quant - dequant + and the backend should be able to fuse the ops with `*` into a quantized conv3d + """ + + assert isinstance(self.padding, tuple) + # One cannot replace List by Tuple or Sequence in "_output_padding" because + # TorchScript does not support `Sequence[T]` or `Tuple[T, ...]`. + output_padding = self._output_padding( + input, # type: ignore[arg-type] + output_size, + self.stride, # type: ignore[arg-type] + self.padding, # type: ignore[arg-type] + self.kernel_size, # type: ignore[arg-type] + self.dilation, # type: ignore[arg-type] + ) + + weight_quant_dequant = self.get_weight() + result = F.conv_transpose3d( + x, + weight_quant_dequant, + self.bias, + self.stride, + self.padding, + output_padding, + self.groups, + self.dilation, + ) + return result + + def _get_name(self): + return "QuantizedConvTranspose3d(Reference)" + + @classmethod + def from_float(cls, float_conv, weight_qparams): + return _ConvTransposeNd.from_float(cls, float_conv, weight_qparams) diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/linear.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/linear.py new file mode 100644 index 0000000000000000000000000000000000000000..67f4aee33ba340130bf2b01dfe2ed2c06b96b23e --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/linear.py @@ -0,0 +1,69 @@ +from typing import Any, Optional + +import torch +import torch.nn as nn +import torch.nn.functional as F + +from .utils import ReferenceQuantizedModule + + +__all__ = ["Linear"] + + +class Linear(nn.Linear, ReferenceQuantizedModule): + """A reference quantized linear module that fits into the FX + Graph Mode Quantization workflow + activation will be floating point Tensor, we will store floating + point weight as well in the module, but in forward we'll quantize + and dequantize the weight before running the floating point functional + linear operator. + """ + + _IS_REFERENCE = True + + def __init__( + self, + in_features: int, + out_features: int, + bias_: bool = True, + device: Optional[torch.device] = None, + dtype: Optional[torch.dtype] = None, + weight_qparams: Optional[dict[str, Any]] = None, + ) -> None: + super().__init__(in_features, out_features, bias_, device, dtype) + self._init_weight_qparams(weight_qparams, device) + + def _get_name(self) -> str: + return "QuantizedLinear(Reference)" + + def forward(self, x: torch.Tensor) -> torch.Tensor: + """ + we have: + w(float) -- quant - dequant \ + x(float) ------------- F.linear --- + + In the full model, we will see + w(float) -- quant - *dequant \ + x -- quant --- *dequant -- *F.linear --- *quant - dequant + and the backend should be able to fuse the ops with `*` into a quantized linear + """ + weight_quant_dequant = self.get_weight() + result = F.linear(x, weight_quant_dequant, self.bias) + return result + + @classmethod + def from_float( + cls, float_linear: nn.Linear, weight_qparams: dict[str, Any] + ) -> "Linear": + qref_linear = Linear( + float_linear.in_features, + float_linear.out_features, + float_linear.bias is not None, + device=float_linear.weight.device, + dtype=float_linear.weight.dtype, + weight_qparams=weight_qparams, + ) + qref_linear.weight = torch.nn.Parameter(float_linear.weight.detach()) + if float_linear.bias is not None: + qref_linear.bias = torch.nn.Parameter(float_linear.bias.detach()) + return qref_linear diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/rnn.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/rnn.py new file mode 100644 index 0000000000000000000000000000000000000000..bd5329851e5e1b32061a012cb4d52bc4b56b42d3 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/rnn.py @@ -0,0 +1,845 @@ +# mypy: allow-untyped-defs +from typing import Any, Optional + +import torch +import torch.nn as nn +from torch import _VF, Tensor +from torch.nn.utils.rnn import PackedSequence + +from .utils import _quantize_and_dequantize_weight, _quantize_weight + + +__all__ = [ + "RNNCellBase", + "RNNCell", + "LSTMCell", + "GRUCell", + "RNNBase", + "LSTM", + "GRU", + "get_quantized_weight", +] + + +def _apply_permutation(tensor: Tensor, permutation: Tensor, dim: int = 1) -> Tensor: + return tensor.index_select(dim, permutation) + + +def _get_weight_and_quantization_params(module, wn): + weight = getattr(module, wn) + params = [weight] + for param_name in [ + wn + n for n in ["_qscheme", "_dtype", "_scale", "_zero_point", "_axis_int"] + ]: + if hasattr(module, param_name): + param = getattr(module, param_name) + else: + param = None + params.append(param) + return params + + +def get_quantized_weight(module, wn): + if not hasattr(module, wn): + return None + params = _get_weight_and_quantization_params(module, wn) + weight = _quantize_weight(*params) + return weight + + +def _get_quantize_and_dequantized_weight(module, wn): + if not hasattr(module, wn): + return None + params = _get_weight_and_quantization_params(module, wn) + weight = _quantize_and_dequantize_weight(*params) + return weight + + +class RNNCellBase(nn.RNNCellBase): + def __init__( + self, + input_size: int, + hidden_size: int, + bias: bool, + num_chunks: int, + device=None, + dtype=None, + weight_qparams_dict=None, + ) -> None: + super().__init__( + input_size, hidden_size, bias, num_chunks, device=device, dtype=dtype + ) + # TODO(jerryzh168): maybe make this arg a required arg + if weight_qparams_dict is None: + weight_qparams = { + "qscheme": torch.per_tensor_affine, + "dtype": torch.quint8, + "scale": 1.0, + "zero_point": 0, + } + weight_qparams_dict = { + "weight_ih": weight_qparams, + "weight_hh": weight_qparams, + "is_decomposed": False, + } + assert ( + len(weight_qparams_dict) == 3 + ), "Expected length for weight_qparams_dict to be 3 for QuantizedRNNCellBase(Reference)" + self._init_weight_qparams_dict(weight_qparams_dict, device) + + def _init_weight_qparams_dict(self, weight_qparams_dict, device): + assert weight_qparams_dict is not None + self.is_decomposed = weight_qparams_dict["is_decomposed"] + for key, weight_qparams in weight_qparams_dict.items(): + if key == "is_decomposed": + continue + # TODO: refactor the duplicated code to utils.py + weight_qscheme = weight_qparams["qscheme"] + weight_dtype = weight_qparams["dtype"] + setattr(self, key + "_qscheme", weight_qscheme) + setattr(self, key + "_dtype", weight_dtype) + assert weight_qscheme in [ + None, + torch.per_tensor_affine, + torch.per_channel_affine, + ], Exception( + f"qscheme: {weight_qscheme} is not support in {self._get_name()}" + ) + if weight_qscheme is not None: + scale = weight_qparams["scale"] + scale_tensor = ( + scale.detach().clone() + if isinstance(scale, torch.Tensor) + else torch.tensor(scale, dtype=torch.float, device=device) + ) + self.register_buffer(key + "_scale", scale_tensor) + zp = weight_qparams["zero_point"] + zp_tensor = ( + zp.detach().clone() + if isinstance(zp, torch.Tensor) + else torch.tensor(zp, dtype=torch.int, device=device) + ) + self.register_buffer(key + "_zero_point", zp_tensor) + if weight_qscheme == torch.per_channel_affine: + axis = weight_qparams["axis"] + axis_tensor = ( + axis.detach().clone() + if isinstance(axis, torch.Tensor) + else torch.tensor(axis, dtype=torch.int, device=device) + ) + self.register_buffer(key + "_axis", axis_tensor) + else: + # added for TorchScriptability, not used + self.register_buffer( + key + "_axis", torch.tensor(0, dtype=torch.int, device=device) + ) + setattr(self, key + "_axis_int", getattr(self, key + "_axis").item()) + + def _get_name(self): + return "QuantizedRNNCellBase(Reference)" + + def get_quantized_weight_ih(self): + return get_quantized_weight(self, "weight_ih") + + def get_quantized_weight_hh(self): + return get_quantized_weight(self, "weight_hh") + + def get_weight_ih(self): + return _get_quantize_and_dequantized_weight(self, "weight_ih") + + def get_weight_hh(self): + return _get_quantize_and_dequantized_weight(self, "weight_hh") + + +class RNNCell(RNNCellBase): + """ + We'll store weight_qparams for all the weights (weight_ih and weight_hh), + we need to pass in a `weight_qparams_dict` that maps from weight name, + e.g. weight_ih, to the weight_qparams for that weight + """ + + def __init__( + self, + input_size: int, + hidden_size: int, + bias: bool = True, + nonlinearity: str = "tanh", + device=None, + dtype=None, + weight_qparams_dict: Optional[dict[str, Any]] = None, + ) -> None: + factory_kwargs = { + "device": device, + "dtype": dtype, + "weight_qparams_dict": weight_qparams_dict, + } + super().__init__(input_size, hidden_size, bias, num_chunks=1, **factory_kwargs) + self.nonlinearity = nonlinearity + + def _get_name(self): + return "QuantizedRNNCell(Reference)" + + # TODO: refactor nn.RNNCell to have a _forward that takes weight_ih and weight_hh as input + # and remove duplicated code, same for the other two Cell modules + def forward(self, input: Tensor, hx: Optional[Tensor] = None) -> Tensor: + assert input.dim() in ( + 1, + 2, + ), f"RNNCell: Expected input to be 1-D or 2-D but received {input.dim()}-D tensor" + is_batched = input.dim() == 2 + if not is_batched: + input = input.unsqueeze(0) + + if hx is None: + hx = torch.zeros( + input.size(0), self.hidden_size, dtype=input.dtype, device=input.device + ) + else: + hx = hx.unsqueeze(0) if not is_batched else hx + + if self.nonlinearity == "tanh": + ret = _VF.rnn_tanh_cell( + input, + hx, + self.get_weight_ih(), + self.get_weight_hh(), + self.bias_ih, + self.bias_hh, + ) + elif self.nonlinearity == "relu": + ret = _VF.rnn_relu_cell( + input, + hx, + self.get_weight_ih(), + self.get_weight_hh(), + self.bias_ih, + self.bias_hh, + ) + else: + ret = input # TODO: remove when jit supports exception flow + raise RuntimeError(f"Unknown nonlinearity: {self.nonlinearity}") + + if not is_batched: + ret = ret.squeeze(0) + + return ret + + @classmethod + def from_float(cls, mod, weight_qparams_dict): + ref_mod = cls( + mod.input_size, + mod.hidden_size, + mod.bias, + mod.nonlinearity, + mod.weight_ih.device, + mod.weight_ih.dtype, + weight_qparams_dict, + ) + ref_mod.weight_ih = mod.weight_ih + ref_mod.weight_hh = mod.weight_hh + ref_mod.bias_ih = mod.bias_ih + ref_mod.bias_hh = mod.bias_hh + return ref_mod + + +class LSTMCell(RNNCellBase): + """ + We'll store weight_qparams for all the weights (weight_ih and weight_hh), + we need to pass in a `weight_qparams_dict` that maps from weight name, + e.g. weight_ih, to the weight_qparams for that weight + """ + + def __init__( + self, + input_size: int, + hidden_size: int, + bias: bool = True, + device=None, + dtype=None, + weight_qparams_dict: Optional[dict[str, Any]] = None, + ) -> None: + factory_kwargs = { + "device": device, + "dtype": dtype, + "weight_qparams_dict": weight_qparams_dict, + } + super().__init__(input_size, hidden_size, bias, num_chunks=4, **factory_kwargs) + + def _get_name(self): + return "QuantizedLSTMCell(Reference)" + + def forward( + self, input: Tensor, hx: Optional[tuple[Tensor, Tensor]] = None + ) -> tuple[Tensor, Tensor]: + assert input.dim() in ( + 1, + 2, + ), f"LSTMCell: Expected input to be 1-D or 2-D but received {input.dim()}-D tensor" + is_batched = input.dim() == 2 + if not is_batched: + input = input.unsqueeze(0) + + if hx is None: + zeros = torch.zeros( + input.size(0), self.hidden_size, dtype=input.dtype, device=input.device + ) + hx = (zeros, zeros) + else: + hx = (hx[0].unsqueeze(0), hx[1].unsqueeze(0)) if not is_batched else hx + + ret = _VF.lstm_cell( + input, + hx, + self.get_weight_ih(), + self.get_weight_hh(), + self.bias_ih, + self.bias_hh, + ) + + if not is_batched: + ret = (ret[0].squeeze(0), ret[1].squeeze(0)) + return ret + + @classmethod + def from_float(cls, mod, weight_qparams_dict, use_precomputed_fake_quant=False): + ref_mod = cls( + mod.input_size, + mod.hidden_size, + mod.bias, + mod.weight_ih.device, + mod.weight_ih.dtype, + weight_qparams_dict, + ) + ref_mod.weight_ih = mod.weight_ih + ref_mod.weight_hh = mod.weight_hh + ref_mod.bias_ih = mod.bias_ih + ref_mod.bias_hh = mod.bias_hh + return ref_mod + + +class GRUCell(RNNCellBase): + """ + We'll store weight_qparams for all the weights (weight_ih and weight_hh), + we need to pass in a `weight_qparams_dict` that maps from weight name, + e.g. weight_ih, to the weight_qparams for that weight + """ + + def __init__( + self, + input_size: int, + hidden_size: int, + bias: bool = True, + device=None, + dtype=None, + weight_qparams_dict: Optional[dict[str, Any]] = None, + ) -> None: + factory_kwargs = { + "device": device, + "dtype": dtype, + "weight_qparams_dict": weight_qparams_dict, + } + super().__init__(input_size, hidden_size, bias, num_chunks=3, **factory_kwargs) + + def _get_name(self): + return "QuantizedGRUCell(Reference)" + + def forward(self, input: Tensor, hx: Optional[Tensor] = None) -> Tensor: + assert input.dim() in ( + 1, + 2, + ), f"GRUCell: Expected input to be 1-D or 2-D but received {input.dim()}-D tensor" + is_batched = input.dim() == 2 + if not is_batched: + input = input.unsqueeze(0) + + if hx is None: + hx = torch.zeros( + input.size(0), self.hidden_size, dtype=input.dtype, device=input.device + ) + else: + hx = hx.unsqueeze(0) if not is_batched else hx + + ret = _VF.gru_cell( + input, + hx, + self.get_weight_ih(), + self.get_weight_hh(), + self.bias_ih, + self.bias_hh, + ) + + if not is_batched: + ret = ret.squeeze(0) + + return ret + + @classmethod + def from_float(cls, mod, weight_qparams_dict): + ref_mod = cls( + mod.input_size, + mod.hidden_size, + mod.bias, + mod.weight_ih.device, + mod.weight_ih.dtype, + weight_qparams_dict, + ) + ref_mod.weight_ih = mod.weight_ih + ref_mod.weight_hh = mod.weight_hh + ref_mod.bias_ih = mod.bias_ih + ref_mod.bias_hh = mod.bias_hh + return ref_mod + + +class RNNBase(nn.RNNBase): + def __init__( + self, + mode: str, + input_size: int, + hidden_size: int, + num_layers: int = 1, + bias: bool = True, + batch_first: bool = False, + dropout: float = 0.0, + bidirectional: bool = False, + proj_size: int = 0, + device=None, + dtype=None, + weight_qparams_dict: Optional[dict[str, Any]] = None, + ) -> None: + super().__init__( + mode, + input_size, + hidden_size, + num_layers, + bias, + batch_first, + dropout, + bidirectional, + proj_size, + device, + dtype, + ) + # TODO(jerryzh168): maybe make this arg a required arg + if weight_qparams_dict is None: + weight_qparams = { + "qscheme": torch.per_tensor_affine, + "dtype": torch.quint8, + "scale": 1.0, + "zero_point": 0, + } + weight_qparams_dict = {"is_decomposed": False} # type: ignore[dict-item] + for wn in self._flat_weights_names: + if wn.startswith("weight"): + weight_qparams_dict[wn] = weight_qparams + self._init_weight_qparams_dict(weight_qparams_dict, device) + + def _init_weight_qparams_dict(self, weight_qparams_dict, device): + self.is_decomposed = weight_qparams_dict["is_decomposed"] + for key, weight_qparams in weight_qparams_dict.items(): + if key == "is_decomposed": + continue + weight_qscheme = weight_qparams["qscheme"] + weight_dtype = weight_qparams["dtype"] + setattr(self, key + "_qscheme", weight_qscheme) + setattr(self, key + "_dtype", weight_dtype) + assert weight_qscheme in [ + None, + torch.per_tensor_affine, + torch.per_channel_affine, + ], Exception( + f"qscheme: {weight_qscheme} is not support in {self._get_name()}" + ) + if weight_qscheme is not None: + self.register_buffer( + key + "_scale", + torch.tensor( + weight_qparams["scale"], dtype=torch.float, device=device + ), + ) + self.register_buffer( + key + "_zero_point", + torch.tensor( + weight_qparams["zero_point"], dtype=torch.int, device=device + ), + ) + if weight_qscheme == torch.per_channel_affine: + self.register_buffer( + key + "_axis", + torch.tensor( + weight_qparams["axis"], dtype=torch.int, device=device + ), + ) + else: + # added for TorchScriptability, not used + self.register_buffer( + key + "_axis", torch.tensor(0, dtype=torch.int, device=device) + ) + setattr(self, key + "_axis_int", getattr(self, key + "_axis").item()) + + +class LSTM(RNNBase): + """Reference Quantized LSTM Module + We'll store weight_qparams for all the weights in _flat_weights, we need to pass in + a `weight_qparams_dict` that maps from weight name, e.g. weight_ih_l0, + to the weight_qparams for that weight + """ + + def __init__(self, *args, **kwargs): + super().__init__("LSTM", *args, **kwargs) + + # Same as above, see torch/nn/modules/module.py::_forward_unimplemented + def permute_hidden( # type: ignore[override] + self, + hx: tuple[Tensor, Tensor], + permutation: Optional[Tensor], + ) -> tuple[Tensor, Tensor]: + if permutation is None: + return hx + return _apply_permutation(hx[0], permutation), _apply_permutation( + hx[1], permutation + ) + + def get_expected_cell_size( + self, input: Tensor, batch_sizes: Optional[Tensor] + ) -> tuple[int, int, int]: + if batch_sizes is not None: + mini_batch = int(batch_sizes[0]) + else: + mini_batch = input.size(0) if self.batch_first else input.size(1) + num_directions = 2 if self.bidirectional else 1 + expected_hidden_size = ( + self.num_layers * num_directions, + mini_batch, + self.hidden_size, + ) + return expected_hidden_size + + # In the future, we should prevent mypy from applying contravariance rules here. + # See torch/nn/modules/module.py::_forward_unimplemented + def check_forward_args( # type: ignore[override] + self, + input: Tensor, + hidden: tuple[Tensor, Tensor], + batch_sizes: Optional[Tensor], + ): + self.check_input(input, batch_sizes) + self.check_hidden_size( + hidden[0], + self.get_expected_hidden_size(input, batch_sizes), + "Expected hidden[0] size {}, got {}", + ) + self.check_hidden_size( + hidden[1], + self.get_expected_cell_size(input, batch_sizes), + "Expected hidden[1] size {}, got {}", + ) + + def get_quantized_weight_bias_dict(self): + """dictionary from flat_weight_name to quantized weight or (unquantized) bias + e.g. + { + "weight_ih_l0": quantized_weight, + "bias_ih_l0": unquantized_bias, + ... + } + """ + quantized_weight_bias_dict = {} + for wn in self._flat_weights_names: + if hasattr(self, wn): + if wn.startswith("weight"): + weight_or_bias = get_quantized_weight(self, wn) + else: + weight_or_bias = getattr(self, wn) + else: + weight_or_bias = None + quantized_weight_bias_dict[wn] = weight_or_bias + return quantized_weight_bias_dict + + def get_flat_weights(self): + flat_weights = [] + for wn in self._flat_weights_names: + if hasattr(self, wn): + weight = getattr(self, wn) + if wn.startswith("weight"): + params = _get_weight_and_quantization_params(self, wn) + weight = _quantize_and_dequantize_weight(*params) + else: + weight = None + flat_weights.append(weight) + return flat_weights + + def forward(self, input, hx=None): # noqa: F811 + orig_input = input + # xxx: isinstance check needs to be in conditional for TorchScript to compile + batch_sizes = None + if isinstance(orig_input, PackedSequence): + input, batch_sizes, sorted_indices, unsorted_indices = input + max_batch_size = int(batch_sizes[0]) + else: + batch_sizes = None + is_batched = input.dim() == 3 + batch_dim = 0 if self.batch_first else 1 + if not is_batched: + input = input.unsqueeze(batch_dim) + max_batch_size = input.size(0) if self.batch_first else input.size(1) + sorted_indices = None + unsorted_indices = None + + if hx is None: + num_directions = 2 if self.bidirectional else 1 + real_hidden_size = ( + self.proj_size if self.proj_size > 0 else self.hidden_size + ) + h_zeros = torch.zeros( + self.num_layers * num_directions, + max_batch_size, + real_hidden_size, + dtype=input.dtype, + device=input.device, + ) + c_zeros = torch.zeros( + self.num_layers * num_directions, + max_batch_size, + self.hidden_size, + dtype=input.dtype, + device=input.device, + ) + hx = (h_zeros, c_zeros) + else: + if batch_sizes is None: # If not PackedSequence input. + if is_batched: # type: ignore[possibly-undefined] + if hx[0].dim() != 3 or hx[1].dim() != 3: + msg = ( + "For batched 3-D input, hx and cx should " + f"also be 3-D but got ({hx[0].dim()}-D, {hx[1].dim()}-D) tensors" + ) + raise RuntimeError(msg) + else: + if hx[0].dim() != 2 or hx[1].dim() != 2: + msg = ( + "For unbatched 2-D input, hx and cx should " + f"also be 2-D but got ({hx[0].dim()}-D, {hx[1].dim()}-D) tensors" + ) + raise RuntimeError(msg) + hx = (hx[0].unsqueeze(1), hx[1].unsqueeze(1)) + + # Each batch of the hidden state should match the input sequence that + # the user believes he/she is passing in. + hx = self.permute_hidden(hx, sorted_indices) + + self.check_forward_args(input, hx, batch_sizes) + if batch_sizes is None: + result = _VF.lstm( + input, + hx, + self.get_flat_weights(), + self.bias, + self.num_layers, + self.dropout, + self.training, + self.bidirectional, + self.batch_first, + ) + else: + result = _VF.lstm( + input, + batch_sizes, + hx, + self.get_flat_weights(), + self.bias, + self.num_layers, + self.dropout, + self.training, + self.bidirectional, + ) + output = result[0] + hidden = result[1:] + # xxx: isinstance check needs to be in conditional for TorchScript to compile + if isinstance(orig_input, PackedSequence): + output_packed = PackedSequence( + output, batch_sizes, sorted_indices, unsorted_indices + ) + return output_packed, self.permute_hidden(hidden, unsorted_indices) + else: + if not is_batched: # type: ignore[possibly-undefined] + output = output.squeeze(batch_dim) # type: ignore[possibly-undefined] + hidden = (hidden[0].squeeze(1), hidden[1].squeeze(1)) + return output, self.permute_hidden(hidden, unsorted_indices) + + def _get_name(self): + return "QuantizedLSTM(Reference)" + + @classmethod + def from_float(cls, mod, weight_qparams_dict): + ref_mod = cls( + mod.input_size, + mod.hidden_size, + mod.num_layers, + mod.bias, + mod.batch_first, + mod.dropout, + mod.bidirectional, + weight_qparams_dict=weight_qparams_dict, + ) + for wn in mod._flat_weights_names: + setattr(ref_mod, wn, getattr(mod, wn)) + return ref_mod + + +class GRU(RNNBase): + """Reference Quantized GRU Module + We'll store weight_qparams for all the weights in _flat_weights, we need to pass in + a `weight_qparams_dict` that maps from weight name, e.g. weight_ih_l0, + to the weight_qparams for that weight + """ + + def __init__(self, *args, **kwargs): + if "proj_size" in kwargs: + raise ValueError( + "proj_size argument is only supported for LSTM, not RNN or GRU" + ) + super().__init__("GRU", *args, **kwargs) + + def get_quantized_weight_bias_dict(self): + """dictionary from flat_weight_name to quantized weight or (unquantized) bias + e.g. + { + "weight_ih_l0": quantized_weight, + "bias_ih_l0": unquantized_bias, + ... + } + """ + quantized_weight_bias_dict = {} + for wn in self._flat_weights_names: + if hasattr(self, wn): + if wn.startswith("weight"): + weight_or_bias = get_quantized_weight(self, wn) + else: + weight_or_bias = getattr(self, wn) + else: + weight_or_bias = None + quantized_weight_bias_dict[wn] = weight_or_bias + return quantized_weight_bias_dict + + def get_flat_weights(self): + flat_weights = [] + for wn in self._flat_weights_names: + if hasattr(self, wn): + weight = getattr(self, wn) + if wn.startswith("weight"): + params = _get_weight_and_quantization_params(self, wn) + weight = _quantize_and_dequantize_weight(*params) + else: + weight = None + flat_weights.append(weight) + return flat_weights + + def forward(self, input, hx=None): # noqa: F811 + # Note: this is copied from the forward of GRU in https://github.com/pytorch/pytorch/blob/master/torch/nn/modules/rnn.py + # only changed self._flat_weights to self.get_flat_weights() + # TODO: maybe we can try inheriting from that class and define get_flat_weights + # as a @property? this might interfere with TorchScript, if we remove that + # requirement in the future we should be able to do this + orig_input = input + # xxx: isinstance check needs to be in conditional for TorchScript to compile + if isinstance(orig_input, PackedSequence): + input, batch_sizes, sorted_indices, unsorted_indices = input + max_batch_size = int(batch_sizes[0]) + else: + batch_sizes = None + assert input.dim() in ( + 2, + 3, + ), f"GRU: Expected input to be 2-D or 3-D but received {input.dim()}-D tensor" + is_batched = input.dim() == 3 + batch_dim = 0 if self.batch_first else 1 + if not is_batched: + input = input.unsqueeze(batch_dim) + if hx is not None: + if hx.dim() != 2: + raise RuntimeError( + f"For unbatched 2-D input, hx should also be 2-D but got {hx.dim()}-D tensor" + ) + hx = hx.unsqueeze(1) + else: + if hx is not None and hx.dim() != 3: + raise RuntimeError( + f"For batched 3-D input, hx should also be 3-D but got {hx.dim()}-D tensor" + ) + max_batch_size = input.size(0) if self.batch_first else input.size(1) + sorted_indices = None + unsorted_indices = None + + if hx is None: + num_directions = 2 if self.bidirectional else 1 + hx = torch.zeros( + self.num_layers * num_directions, + max_batch_size, + self.hidden_size, + dtype=input.dtype, + device=input.device, + ) + else: + # Each batch of the hidden state should match the input sequence that + # the user believes he/she is passing in. + hx = self.permute_hidden(hx, sorted_indices) + + self.check_forward_args(input, hx, batch_sizes) + if batch_sizes is None: + result = _VF.gru( + input, + hx, + self.get_flat_weights(), + self.bias, + self.num_layers, + self.dropout, + self.training, + self.bidirectional, + self.batch_first, + ) + else: + result = _VF.gru( + input, + batch_sizes, + hx, + self.get_flat_weights(), + self.bias, + self.num_layers, + self.dropout, + self.training, + self.bidirectional, + ) + output = result[0] + hidden = result[1] + + # xxx: isinstance check needs to be in conditional for TorchScript to compile + if isinstance(orig_input, PackedSequence): + output_packed = PackedSequence( + output, batch_sizes, sorted_indices, unsorted_indices + ) + return output_packed, self.permute_hidden(hidden, unsorted_indices) + else: + if not is_batched: # type: ignore[possibly-undefined] + output = output.squeeze(batch_dim) # type: ignore[possibly-undefined] + hidden = hidden.squeeze(1) + + return output, self.permute_hidden(hidden, unsorted_indices) + + def _get_name(self): + return "QuantizedGRU(Reference)" + + @classmethod + def from_float(cls, mod, weight_qparams_dict): + ref_mod = cls( + mod.input_size, + mod.hidden_size, + mod.num_layers, + mod.bias, + mod.batch_first, + mod.dropout, + mod.bidirectional, + weight_qparams_dict=weight_qparams_dict, + ) + for wn in mod._flat_weights_names: + setattr(ref_mod, wn, getattr(mod, wn)) + return ref_mod diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/sparse.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/sparse.py new file mode 100644 index 0000000000000000000000000000000000000000..7e4bdb9b02c71c8dd5c90db43bd4742f7dbf152c --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/sparse.py @@ -0,0 +1,162 @@ +# mypy: allow-untyped-defs +from typing import Any, Optional + +import torch.nn as nn +import torch.nn.functional as F +from torch import Tensor + +from .utils import ReferenceQuantizedModule + + +__all__ = ["Embedding", "EmbeddingBag"] + + +class Embedding(nn.Embedding, ReferenceQuantizedModule): + """A reference quantized Embedding module that fits into the + FX Graph Mode Quantization workflow, activation will be floating point Tensor, + we will store floating point weight as well in the module, but in forward we'll + quantize and dequantize the weight before running the floating point functional + embedding operator. + """ + + def __init__( + self, + num_embeddings: int, + embedding_dim: int, + padding_idx: Optional[int] = None, + max_norm: Optional[float] = None, + norm_type: float = 2.0, + scale_grad_by_freq: bool = False, + sparse: bool = False, + _weight: Optional[Tensor] = None, + device=None, + dtype=None, + weight_qparams: Optional[dict[str, Any]] = None, + ) -> None: + super().__init__( + num_embeddings, + embedding_dim, + padding_idx, + max_norm, + norm_type, + scale_grad_by_freq, + sparse, + _weight, + device, + dtype, + ) + self._init_weight_qparams(weight_qparams, device) + + def _get_name(self): + return "QuantizedEmbedding(Reference)" + + def forward(self, input: Tensor) -> Tensor: + weight_quant_dequant = self.get_weight() + return F.embedding( + input, + weight_quant_dequant, + self.padding_idx, + self.max_norm, + self.norm_type, + self.scale_grad_by_freq, + self.sparse, + ) + + @classmethod + def from_float(cls, mod, weight_qparams): + return cls( + mod.num_embeddings, + mod.embedding_dim, + mod.padding_idx, + mod.max_norm, + mod.norm_type, + mod.scale_grad_by_freq, + mod.sparse, + mod.weight, + mod.weight.device, + mod.weight.dtype, + weight_qparams, + ) + + +class EmbeddingBag(nn.EmbeddingBag, ReferenceQuantizedModule): + """A reference quantized EmbeddingBag module that fits into the + FX Graph Mode Quantization workflow, activation will be floating point Tensor, + we will store floating point weight as well in the module, but in forward we'll + quantize and dequantize the weight before running the floating point functional + embedding operator. + """ + + def __init__( + self, + num_embeddings: int, + embedding_dim: int, + max_norm: Optional[float] = None, + norm_type: float = 2.0, + scale_grad_by_freq: bool = False, + mode: str = "mean", + sparse: bool = False, + _weight: Optional[Tensor] = None, + include_last_offset: bool = False, + padding_idx: Optional[int] = None, + device=None, + dtype=None, + weight_qparams: Optional[dict[str, Any]] = None, + ) -> None: + super().__init__( + num_embeddings, + embedding_dim, + max_norm, + norm_type, + scale_grad_by_freq, + mode, + sparse, + _weight, + include_last_offset, + padding_idx, + device, + dtype, + ) + self._init_weight_qparams(weight_qparams, device) + + def _get_name(self): + return "QuantizedEmbedding(Reference)" + + def forward( + self, + input: Tensor, + offsets: Optional[Tensor] = None, + per_sample_weights: Optional[Tensor] = None, + ) -> Tensor: + weight_quant_dequant = self.get_weight() + return F.embedding_bag( + input, + weight_quant_dequant, + offsets, + self.max_norm, + self.norm_type, + self.scale_grad_by_freq, + self.mode, + self.sparse, + per_sample_weights, + self.include_last_offset, + self.padding_idx, + ) + + @classmethod + def from_float(cls, mod, weight_qparams, use_precomputed_fake_quant=False): + return cls( + mod.num_embeddings, + mod.embedding_dim, + mod.max_norm, + mod.norm_type, + mod.scale_grad_by_freq, + mod.mode, + mod.sparse, + mod.weight, + mod.include_last_offset, + mod.padding_idx, + mod.weight.device, + mod.weight.dtype, + weight_qparams, + ) diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/utils.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/utils.py new file mode 100644 index 0000000000000000000000000000000000000000..d846f305ad330df01fd8870ad0556d0beb1563b1 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/quantized/reference/modules/utils.py @@ -0,0 +1,431 @@ +# mypy: allow-untyped-defs +import typing + +import torch + + +__all__ = [ + "ReferenceQuantizedModule", +] + + +class ReferenceQuantizedModule(torch.nn.Module): + def _init_weight_qparams(self, weight_qparams, device): + if weight_qparams is None: + weight_qparams = { + "qscheme": torch.per_tensor_affine, + "dtype": torch.quint8, + "scale": 1.0, + "zero_point": 0, + } + self.weight_qscheme: torch.qscheme = weight_qparams["qscheme"] + self.weight_dtype = weight_qparams["dtype"] + assert self.weight_qscheme in [ + None, + torch.per_tensor_affine, + torch.per_channel_affine, + torch.per_channel_affine_float_qparams, + ], f"qscheme: {self.weight_qscheme} is not support in reference quantized {self._get_name()}" + if self.weight_dtype in [ + torch.quint8, + torch.qint8, + torch.quint4x2, + torch.qint32, + ]: + zero_point_dtype = ( + weight_qparams["zero_point"].dtype + if isinstance(weight_qparams["zero_point"], torch.Tensor) + else torch.int + ) + w_scale = weight_qparams["scale"] + w_scale_tensor = ( + w_scale.detach().clone() + if isinstance(w_scale, torch.Tensor) + else torch.tensor(w_scale, dtype=torch.float, device=device) + ) + self.register_buffer("weight_scale", w_scale_tensor) + w_zp = weight_qparams["zero_point"] + w_zp_tensor = ( + w_zp.detach().clone() + if isinstance(w_zp, torch.Tensor) + else torch.tensor(w_zp, dtype=zero_point_dtype, device=device) + ) + self.register_buffer("weight_zero_point", w_zp_tensor) + if self.weight_qscheme in [ + torch.per_channel_affine, + torch.per_channel_affine_float_qparams, + ]: + w_axis = weight_qparams["axis"] + w_axis_tensor = ( + w_axis.detach().clone() + if isinstance(w_axis, torch.Tensor) + else torch.tensor(w_axis, dtype=torch.int, device=device) + ) + self.register_buffer("weight_axis", w_axis_tensor) + else: + # added for TorchScriptability, not used + self.register_buffer( + "weight_axis", torch.tensor(0, dtype=torch.int, device=device) + ) + else: + # added for TorchScriptability, and for torch.float + self.register_buffer( + "weight_scale", torch.tensor(1.0, dtype=torch.float, device=device) + ) + self.register_buffer( + "weight_zero_point", torch.tensor(0, dtype=torch.int, device=device) + ) + self.register_buffer( + "weight_axis", torch.tensor(0, dtype=torch.int, device=device) + ) + self.is_decomposed: bool = weight_qparams.get("is_decomposed", False) + # store weight_axis as weight_axis_int due to some constraints of torchdynamo.export + # for capturing `.item` operations + self.weight_axis_int: int = self.weight_axis.item() # type: ignore[operator, assignment] + self.weight_quant_min: typing.Optional[int] = weight_qparams.get( + "quant_min", None + ) + self.weight_quant_max: typing.Optional[int] = weight_qparams.get( + "quant_max", None + ) + + def get_weight(self): + """ + Fake quantize (quantize and dequantize) the weight with + the quantization parameters for weight, this is used to + simulate the numerics for the quantized weight in a quantized + model + """ + # suppress mypy warning + assert isinstance(self.weight_scale, torch.Tensor) + assert isinstance(self.weight_zero_point, torch.Tensor) + if self.is_decomposed: + return _quantize_and_dequantize_weight_decomposed( + self.weight, # type: ignore[arg-type] + self.weight_qscheme, + self.weight_dtype, + self.weight_scale, + self.weight_zero_point, + self.weight_axis_int, + self.weight_quant_min, + self.weight_quant_max, + ) + else: + return _quantize_and_dequantize_weight( + self.weight, # type: ignore[arg-type] + self.weight_qscheme, + self.weight_dtype, + self.weight_scale, + self.weight_zero_point, + self.weight_axis_int, + ) + + def get_quantized_weight(self): + # suppress mypy warning + assert isinstance(self.weight_scale, torch.Tensor) + assert isinstance(self.weight_zero_point, torch.Tensor) + # assert isinstance(self.weight_axis, torch.Tensor) + if self.is_decomposed: + return _quantize_weight_decomposed( + self.weight, # type: ignore[arg-type] + self.weight_qscheme, + self.weight_dtype, + self.weight_scale, + self.weight_zero_point, + self.weight_axis_int, + self.weight_quant_min, + self.weight_quant_max, + ) + else: + return _quantize_weight( + self.weight, # type: ignore[arg-type] + self.weight_qscheme, + self.weight_dtype, + self.weight_scale, + self.weight_zero_point, + self.weight_axis_int, + ) + + def _save_to_state_dict(self, destination, prefix, keep_vars): + super()._save_to_state_dict(destination, prefix, keep_vars) + _save_weight_qparams( + destination, + prefix, + self.weight_qscheme, + self.weight_dtype, + self.weight_scale, + self.weight_zero_point, + self.weight_axis, + ) + + def _load_from_state_dict( + self, + state_dict, + prefix, + local_metadata, + strict, + missing_keys, + unexpected_keys, + error_msgs, + ): + for key in _get_weight_qparam_keys(state_dict, prefix): + setattr(self, key, state_dict[prefix + key]) + state_dict.pop(prefix + key) + + super()._load_from_state_dict( + state_dict, + prefix, + local_metadata, + False, + missing_keys, + unexpected_keys, + error_msgs, + ) + + +def _quantize_weight_decomposed( + weight: torch.Tensor, + weight_qscheme: torch.qscheme, + weight_dtype: torch.dtype, + weight_scale: torch.Tensor, + weight_zero_point: torch.Tensor, + weight_axis: int, + weight_quant_min: typing.Optional[int], + weight_quant_max: typing.Optional[int], +) -> torch.Tensor: + _DTYPE_TO_QVALUE_BOUNDS = { + torch.uint8: (0, 255), + torch.int8: (-128, 127), + torch.int32: (-(2**31), 2**31 - 1), + } + # TODO: add an util function for converting qdtype to dtype + _QDTYPE_TO_UNDERLYING_INT_REPR_DTYPE = { + torch.quint8: torch.uint8, + torch.qint8: torch.int8, + torch.qint32: torch.int32, + } + if weight_qscheme == torch.per_tensor_affine: + if weight_dtype in [torch.quint8, torch.qint8, torch.qint32]: + weight_dtype_ = _QDTYPE_TO_UNDERLYING_INT_REPR_DTYPE[weight_dtype] + if weight_quant_min is None or weight_quant_max is None: + weight_quant_min, weight_quant_max = _DTYPE_TO_QVALUE_BOUNDS[ + weight_dtype_ + ] + weight = torch.ops.quantized_decomposed.quantize_per_tensor( + weight, + weight_scale, + weight_zero_point, + weight_quant_min, + weight_quant_max, + weight_dtype_, + ) + return weight + elif weight_qscheme in [ + torch.per_channel_affine, + torch.per_channel_affine_float_qparams, + ]: + # TODO: torch.quint4x2 is not supported + if weight_dtype in [torch.quint8, torch.qint8, torch.qint32]: + weight_dtype_ = _QDTYPE_TO_UNDERLYING_INT_REPR_DTYPE[weight_dtype] + if weight_quant_min is None or weight_quant_max is None: + weight_quant_min, weight_quant_max = _DTYPE_TO_QVALUE_BOUNDS[ + weight_dtype_ + ] + weight = torch.ops.quantized_decomposed.quantize_per_channel( + weight, + weight_scale, + weight_zero_point, + weight_axis, + weight_quant_min, + weight_quant_max, + weight_dtype_, + ) # type: ignore[arg-type] + return weight + raise ValueError(f"Unsupported dtype and qscheme: {weight_dtype}, {weight_qscheme}") + + +def _dequantize_weight_decomposed( + weight: torch.Tensor, + weight_qscheme: torch.qscheme, + weight_dtype: torch.dtype, + weight_scale: torch.Tensor, + weight_zero_point: torch.Tensor, + weight_axis: int, + weight_quant_min: typing.Optional[int], + weight_quant_max: typing.Optional[int], +) -> torch.Tensor: + # TODO: get the quant_min and quant_max from activation_post_process + _DTYPE_TO_QVALUE_BOUNDS = { + torch.uint8: (0, 255), + torch.int8: (-128, 127), + torch.int32: (-(2**31), 2**31 - 1), + } + # TODO: add an util function for converting qdtype to dtype + _QDTYPE_TO_UNDERLYING_INT_REPR_DTYPE = { + torch.quint8: torch.uint8, + torch.qint8: torch.int8, + torch.qint32: torch.int32, + } + weight_dtype_ = _QDTYPE_TO_UNDERLYING_INT_REPR_DTYPE[weight_dtype] + if weight_quant_min is None or weight_quant_max is None: + weight_quant_min, weight_quant_max = _DTYPE_TO_QVALUE_BOUNDS[weight_dtype_] + if weight_qscheme == torch.per_tensor_affine: + if weight_dtype in [torch.quint8, torch.qint8, torch.qint32]: + weight = torch.ops.quantized_decomposed.dequantize_per_tensor( + weight, + weight_scale, + weight_zero_point, + weight_quant_min, + weight_quant_max, + weight_dtype_, + ) + return weight + elif weight_qscheme in [ + torch.per_channel_affine, + torch.per_channel_affine_float_qparams, + ]: + # TODO: torch.quint4x2 is not supported + if weight_dtype in [torch.quint8, torch.qint8, torch.qint32]: + weight = torch.ops.quantized_decomposed.dequantize_per_channel( + weight, + weight_scale, + weight_zero_point, + weight_axis, + weight_quant_min, + weight_quant_max, + weight_dtype_, + ) # type: ignore[arg-type] + return weight + raise ValueError(f"Unsupported dtype and qscheme: {weight_dtype}, {weight_qscheme}") + + +def _quantize_weight( + weight: torch.Tensor, + weight_qscheme: torch.qscheme, + weight_dtype: torch.dtype, + weight_scale: torch.Tensor, + weight_zero_point: torch.Tensor, + weight_axis_int: int, +) -> torch.Tensor: + if weight_dtype == torch.float16: + weight = weight.to(weight_dtype) + return weight + + if weight_qscheme == torch.per_tensor_affine: + if weight_dtype in [torch.quint8, torch.qint8, torch.qint32]: + weight = torch.quantize_per_tensor( + weight, weight_scale, weight_zero_point, weight_dtype + ) + return weight + elif weight_qscheme in [ + torch.per_channel_affine, + torch.per_channel_affine_float_qparams, + ]: + if weight_dtype in [torch.quint8, torch.qint8, torch.quint4x2, torch.qint32]: + weight = torch.quantize_per_channel( + weight, weight_scale, weight_zero_point, weight_axis_int, weight_dtype + ) # type: ignore[arg-type] + return weight + raise ValueError(f"Unsupported dtype and qscheme: {weight_dtype}, {weight_qscheme}") + + +def _quantize_and_dequantize_weight_decomposed( + weight: torch.Tensor, + weight_qscheme: torch.qscheme, + weight_dtype: torch.dtype, + weight_scale: torch.Tensor, + weight_zero_point: torch.Tensor, + weight_axis_int: int, + weight_quant_min: typing.Optional[int], + weight_quant_max: typing.Optional[int], +) -> torch.Tensor: + """Quantize and then dequantize the weight based on + the quantization parameters + """ + if weight_qscheme in [ + torch.per_tensor_affine, + torch.per_channel_affine, + torch.per_channel_affine_float_qparams, + ]: + weight_quant = _quantize_weight_decomposed( + weight, + weight_qscheme, + weight_dtype, + weight_scale, + weight_zero_point, + weight_axis_int, + weight_quant_min, + weight_quant_max, + ) + weight_dequant = _dequantize_weight_decomposed( + weight_quant, + weight_qscheme, + weight_dtype, + weight_scale, + weight_zero_point, + weight_axis_int, + weight_quant_min, + weight_quant_max, + ) + else: + weight_dequant = weight + return weight_dequant + + +def _quantize_and_dequantize_weight( + weight: torch.Tensor, + weight_qscheme: torch.qscheme, + weight_dtype: torch.dtype, + weight_scale: torch.Tensor, + weight_zero_point: torch.Tensor, + weight_axis_int: int, +) -> torch.Tensor: + """Quantize and then dequantize the weight based on + the quantization parameters + """ + if weight_qscheme in [ + torch.per_tensor_affine, + torch.per_channel_affine, + torch.per_channel_affine_float_qparams, + ]: + weight_quant = _quantize_weight( + weight, + weight_qscheme, + weight_dtype, + weight_scale, + weight_zero_point, + weight_axis_int, + ) + weight_dequant = weight_quant.dequantize() + else: + weight_dequant = weight + return weight_dequant + + +def _save_weight_qparams( + destination, + prefix, + weight_qscheme, + weight_dtype, + weight_scale, + weight_zero_point, + weight_axis, +): + destination[prefix + "weight_qscheme"] = weight_qscheme + destination[prefix + "weight_dtype"] = weight_dtype + if weight_qscheme is not None: + destination[prefix + "weight_scale"] = weight_scale + destination[prefix + "weight_zero_point"] = weight_zero_point + if weight_qscheme == torch.per_channel_affine: + destination[prefix + "weight_axis"] = weight_axis + + +def _get_weight_qparam_keys(state_dict: dict[str, typing.Any], prefix: str): + keys = ["weight_qscheme", "weight_dtype"] + weight_qscheme = state_dict[prefix + "weight_qscheme"] + if weight_qscheme is not None: + keys.append("weight_scale") + keys.append("weight_zero_point") + if weight_qscheme == torch.quantize_per_channel: + keys.append("weight_axis") + return keys diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/__pycache__/__init__.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..301d81bd528d159b08e2e267e101560cccb1c22f Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/__pycache__/__init__.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/__init__.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..ef66c90b0e8ecdbc7cd2cfb4c1cecf0bc38e8466 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/__init__.py @@ -0,0 +1,10 @@ +from torch.ao.nn.sparse.quantized import dynamic + +from .linear import Linear, LinearPackedParams + + +__all__ = [ + "dynamic", + "Linear", + "LinearPackedParams", +] diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/__pycache__/__init__.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..08650a820d1e29fa82600211387417f6e7fa1b33 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/__pycache__/__init__.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/__pycache__/linear.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/__pycache__/linear.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..0b77b0eb0e55656e439d82f5edbd6d0b722a20f6 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/__pycache__/linear.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/__pycache__/utils.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/__pycache__/utils.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..9b140d55dbae4d9aed72cd1743273995248d979b Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/__pycache__/utils.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/dynamic/__init__.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/dynamic/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..91ecfd8793dc08b96ed64f47f531724aa8a866d0 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/dynamic/__init__.py @@ -0,0 +1,6 @@ +from .linear import Linear + + +__all__ = [ + "Linear", +] diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/dynamic/__pycache__/__init__.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/dynamic/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..0a4b4c9823199a3f00ef4d913adb05af9e2cf087 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/dynamic/__pycache__/__init__.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/dynamic/__pycache__/linear.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/dynamic/__pycache__/linear.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..7e8f188f42ebc4a3c7dffe82880ac5303df3e63c Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/dynamic/__pycache__/linear.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/dynamic/linear.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/dynamic/linear.py new file mode 100644 index 0000000000000000000000000000000000000000..e937a0ad2a524531c5cc8de502875a022bf428fa --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/dynamic/linear.py @@ -0,0 +1,188 @@ +# mypy: allow-untyped-defs +from typing import Optional + +import torch +import torch.ao.nn.intrinsic as nni +from torch.ao.nn.quantized.modules.utils import ( + _hide_packed_params_repr, + _quantize_weight, +) +from torch.ao.nn.sparse.quantized import linear +from torch.ao.nn.sparse.quantized.utils import LinearBlockSparsePattern + + +__all__ = ["Linear"] + + +class Linear(torch.nn.Module): + r""" + A dynamically quantized sparse linear module with float tensor as inputs and outputs. + """ + _version = 1 + _op_type = "sparse_dynamic" + _FLOAT_MODULE = torch.nn.Linear + + def __init__( + self, + in_features, + out_features, + row_block_size, + col_block_size, + bias=True, + dtype=torch.qint8, + ): + super().__init__() + + if dtype != torch.qint8: + raise NotImplementedError( + "Only QINT8 is supported for Sparse Quantized Linear Dynamic" + ) + + self.in_features = in_features + self.out_features = out_features + + if bias: + bias = torch.zeros(self.out_features, dtype=torch.float) + else: + bias = None + + qweight = torch._empty_affine_quantized( + [out_features, in_features], scale=1, zero_point=0, dtype=torch.qint8 + ) + self._packed_params = linear.LinearPackedParams( + row_block_size=row_block_size, col_block_size=col_block_size, dtype=dtype + ) + self._packed_params.set_weight_bias( + qweight, bias, row_block_size, col_block_size + ) + + def _get_name(self): + return "SparseQuantizedDynamicLinear" + + def extra_repr(self): + return f"in_features={self.in_features}, out_features={self.out_features}, qscheme={self.weight().qscheme()}" + + def __repr__(self): + return _hide_packed_params_repr(self, linear.LinearPackedParams) + + def forward(self, x: torch.Tensor) -> torch.Tensor: + return torch.ops.sparse.qlinear_dynamic(x, self._packed_params._packed_params) + + def _save_to_state_dict(self, destination, prefix, keep_vars): + super()._save_to_state_dict(destination, prefix, keep_vars) + destination[prefix + "op_type"] = self._op_type + + def _load_from_state_dict( + self, + state_dict, + prefix, + local_metadata, + strict, + missing_keys, + unexpected_keys, + error_msgs, + ): + op_type = int(state_dict[prefix + "op_type"]) + assert ( + op_type == "sparse" + ), f"Cannot load from op_type [{op_type}], expecting [{self._op_type}]" + state_dict.pop(prefix + "op_type") + + version = local_metadata.get("version", None) + assert version <= self._version + + # Is this code valid? In old quantization it seemed to be used to load + # older model + weight = state_dict.pop(prefix + "weight") + bias = state_dict.pop(prefix + "bias") + state_dict.update( + { + prefix + "_packed_params.weight": weight, + prefix + "_packed_params.bias": bias, + } + ) + + super()._load_from_state_dict( + state_dict, + prefix, + local_metadata, + False, + missing_keys, + unexpected_keys, + error_msgs, + ) + + def _weight_bias(self): + return self._packed_params._weight_bias() + + def weight(self): + return self._weight_bias()[0] + + def bias(self): + return self._weight_bias()[1] + + def set_weight_bias( + self, + w: torch.Tensor, + b: Optional[torch.Tensor], + row_block_size: Optional[int], + col_block_size: Optional[int], + ) -> None: + assert row_block_size is not None and col_block_size is not None + self.out_features = w.shape[0] + self.in_features = w.shape[1] + self._packed_params.set_weight_bias(w, b, row_block_size, col_block_size) + + @classmethod + def from_float(cls, mod, use_precomputed_fake_quant=False): + r"""Create a quantized sparse dynamic module from a float module. + + We only care about the convert at this stage, no need for observers just yet. + """ + assert type(mod) == cls._FLOAT_MODULE, ( + " nnq." + + cls.__name__ + + ".from_float only works for " + + cls._FLOAT_MODULE.__name__ + ) + # TODO: Need to add options to qconfig to avoid the calibration. + # TODO: Add calibration for the sparsity + assert hasattr(mod, "qconfig"), "Input float module must have qconfig defined" + if type(mod) == nni.LinearReLU: + mod = mod[0] + if mod.qconfig is not None and mod.qconfig.weight is not None: + weight_observer = mod.qconfig.weight() + else: + # We have the circular import issues if we import the qconfig in the beginning of this file: + # https://github.com/pytorch/pytorch/pull/24231. The current workaround is to postpone the + # import until we need it. + from torch.ao.quantization.qconfig import default_dynamic_qconfig + + weight_observer = default_dynamic_qconfig.weight() + + # It is important to multiply by the mask BEFORE calling the `weight_observer` + # TODO (zaf): Mask might not be part of the qconfig (T83295194) + weight = mod.weight + if getattr(mod.qconfig, "mask", False): + weight = mod.qconfig.mask * mod.weight + + weight_observer(weight) + dtype = weight_observer.dtype + assert dtype == torch.qint8, "Weight observer must have dtype torch.qint8" + _w_sc, w_zp = weight_observer.calculate_qparams() + if isinstance(w_zp, torch.Tensor): + assert not torch.any(w_zp.bool()), "All weight zero points must map to 0" + else: + assert w_zp == 0, "Weight zero point must map to 0" + qweight = _quantize_weight(weight.float(), weight_observer) + + row_block_size, col_block_size = LinearBlockSparsePattern.block_size() + qlinear = cls( + mod.in_features, + mod.out_features, + row_block_size, + col_block_size, + dtype=dtype, + ) + qlinear.set_weight_bias(qweight, mod.bias, row_block_size, col_block_size) + return qlinear diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/linear.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/linear.py new file mode 100644 index 0000000000000000000000000000000000000000..81f663018e7e2684edf30cc046f38f5def2b2c31 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/linear.py @@ -0,0 +1,272 @@ +# mypy: allow-untyped-decorators +# mypy: allow-untyped-defs +from typing import Optional + +import torch +from torch.ao.nn.quantized.modules.utils import ( + _hide_packed_params_repr, + _quantize_weight, +) + + +__all__ = ["LinearPackedParams", "Linear"] + + +# TODO (zaf): Inherit from `quantized.LinearPackedParams` (T83294430) +class LinearPackedParams(torch.nn.Module): + _version = 1 + + def __init__(self, row_block_size=1, col_block_size=4, dtype=torch.qint8): + super().__init__() + + if dtype != torch.qint8: + raise NotImplementedError("Linear prepacking only supports QINT8") + self.dtype = dtype + wq = torch._empty_affine_quantized( + [1, 1], scale=1.0, zero_point=0, dtype=torch.qint8 + ) + self.set_weight_bias(wq, None, row_block_size, col_block_size) + + def _get_name(self): + return "SparseQuantizedLinearPackedParams" + + @torch.jit.export + def set_weight_bias( + self, + weight: torch.Tensor, + bias: Optional[torch.Tensor], + row_block_size: Optional[int], + col_block_size: Optional[int], + ) -> None: + assert row_block_size is not None and col_block_size is not None + self._packed_params = torch.ops.sparse.qlinear_prepack( + weight, bias, row_block_size, col_block_size + ) + + @torch.jit.export + def _weight_bias(self): + (weight, bias, block_sizes) = torch.ops.sparse.qlinear_unpack( + self._packed_params + ) + return (weight, bias, block_sizes[0], block_sizes[1]) + + def forward(self, x): + return x + + def _save_to_state_dict(self, destination, prefix, keep_vars): + super()._save_to_state_dict(destination, prefix, keep_vars) + destination[prefix + "dtype"] = self.dtype + destination[prefix + "_packed_params"] = self._weight_bias() + + def _load_from_state_dict( + self, + state_dict, + prefix, + local_metadata, + strict, + missing_keys, + unexpected_keys, + error_msgs, + ): + version = local_metadata.get("version", None) + assert version <= self._version + + self.dtype = state_dict.pop(prefix + "dtype") + weight, bias, row_block_size, col_block_size = state_dict.pop( + prefix + "_packed_params" + ) + self.set_weight_bias(weight, bias, row_block_size, col_block_size) + + super()._load_from_state_dict( + state_dict, + prefix, + local_metadata, + False, + missing_keys, + unexpected_keys, + error_msgs, + ) + + @torch.jit.export + def __getstate__(self): + return self._packed_params, self.training, self.dtype + + @torch.jit.export + def __setstate__(self, state): + (self._packed_params, self.training, self.dtype) = state + + def __repr__(self): + return self._weight_bias().__repr__() + + +# TODO (zaf): Inherit from `quantized.Linear` (T83294430) +class Linear(torch.nn.Module): + r""" + A quantized sparse linear module with quantized tensor as inputs and outputs. + """ + _version = 1 + _FLOAT_MODULE = torch.nn.Linear + + def __init__( + self, + in_features, + out_features, + row_block_size, + col_block_size, + bias=True, + dtype=torch.qint8, + ): + super().__init__() + + if dtype != torch.qint8: + raise NotImplementedError( + "Only QINT8 is supported for Sparse Quantized Linear" + ) + + self.in_features = in_features + self.out_features = out_features + + if bias: + bias = torch.zeros(self.out_features, dtype=torch.float) + else: + bias = None + + qweight = torch._empty_affine_quantized( + [out_features, in_features], scale=1, zero_point=0, dtype=torch.qint8 + ) + self._packed_params = LinearPackedParams( + row_block_size=row_block_size, col_block_size=col_block_size, dtype=dtype + ) + self._packed_params.set_weight_bias( + qweight, bias, row_block_size, col_block_size + ) + self.scale = 1.0 + self.zero_point = 0 + + @classmethod + def _get_name(cls): + return "SparseQuantizedLinear" + + def extra_repr(self): + return ( + f"in_features={self.in_features}, out_features={self.out_features}, scale={self.scale}, " + f"zero_point={self.zero_point}, qscheme={self.weight().qscheme()}" + ) + + def __repr__(self): + return _hide_packed_params_repr(self, LinearPackedParams) + + def forward(self, x: torch.Tensor) -> torch.Tensor: + return torch.ops.sparse.qlinear( + x, self._packed_params._packed_params, self.scale, self.zero_point + ) + + def _save_to_state_dict(self, destination, prefix, keep_vars): + super()._save_to_state_dict(destination, prefix, keep_vars) + destination[prefix + "scale"] = torch.tensor(self.scale) + destination[prefix + "zero_point"] = torch.tensor(self.zero_point) + + def _load_from_state_dict( + self, + state_dict, + prefix, + local_metadata, + strict, + missing_keys, + unexpected_keys, + error_msgs, + ): + self.scale = float(state_dict[prefix + "scale"]) + state_dict.pop(prefix + "scale") + + self.zero_point = int(state_dict[prefix + "zero_point"]) + state_dict.pop(prefix + "zero_point") + + state_dict.pop(prefix + "op_type") + + version = local_metadata.get("version", None) + assert version <= self._version + + super()._load_from_state_dict( + state_dict, + prefix, + local_metadata, + False, + missing_keys, + unexpected_keys, + error_msgs, + ) + + def _weight_bias(self): + return self._packed_params._weight_bias() + + def weight(self): + return self._weight_bias()[0] + + def bias(self): + return self._weight_bias()[1] + + def set_weight_bias( + self, + w: torch.Tensor, + b: Optional[torch.Tensor], + row_block_size: Optional[int], + col_block_size: Optional[int], + ) -> None: + assert row_block_size is not None and col_block_size is not None + self._packed_params.set_weight_bias(w, b, row_block_size, col_block_size) + + @classmethod + def from_float(cls, mod, use_precomputed_fake_quant=False): + r"""Create a quantized sparse module from a float module. + + We only care about the convert at this stage, no need for observers just yet. + + TODO(zaf): Need to add the sparse params to the qconfig + """ + assert type(mod) == cls._FLOAT_MODULE, ( + cls._get_name() + ".from_float only works for " + cls._FLOAT_MODULE.__name__ + ) + assert hasattr(mod, "sparse_params"), ( + "Expecting the Linear to have `sparse_params`. Make sure you have provided arguments " + 'in the `sparsifier.squash_mask(params_to_save=("sparse_block_shape",))` method.' + ) + sparse_block_shape = mod.sparse_params.get("sparse_block_shape", None) # type: ignore[operator, union-attr] + assert isinstance(sparse_block_shape, (tuple, list)) + assert len(sparse_block_shape) == 2 + # TODO: Need to add options to qconfig to avoid the calibration. + # TODO: Add calibration for the sparsity + assert hasattr(mod, "qconfig"), "Input float module must have qconfig defined" + activation_post_process = mod.activation_post_process + weight_post_process = mod.qconfig.weight() # type: ignore[operator, union-attr] + + # Assumption is that the weight is already sparsified by the + # `sparsifier.convert` + weight = mod.weight + + weight_post_process(weight) + dtype = weight_post_process.dtype + act_scale, act_zp = activation_post_process.calculate_qparams() # type: ignore[operator, union-attr] + assert dtype == torch.qint8, "Weight observer must have dtype torch.qint8" + w_sc, w_zp = weight_post_process.calculate_qparams() + if isinstance(w_zp, torch.Tensor): + assert not torch.any(w_zp.bool()), "All weight zero points must map to 0" + else: + assert w_zp == 0, "Weight zero point must map to 0" + qweight = _quantize_weight(weight.float(), weight_post_process) + + row_block_size = mod.sparse_params["sparse_block_shape"][0] # type: ignore[index] + col_block_size = mod.sparse_params["sparse_block_shape"][1] # type: ignore[index] + qlinear = cls( + mod.in_features, + mod.out_features, + row_block_size, + col_block_size, + dtype=dtype, + ) + qlinear.set_weight_bias( + qweight, mod.bias, row_block_size, col_block_size # type: ignore[arg-type] + ) + qlinear.scale = float(act_scale) + qlinear.zero_point = int(act_zp) + return qlinear diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/utils.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/utils.py new file mode 100644 index 0000000000000000000000000000000000000000..70daa8fd9f361eeecb68375278785e0c4e8f3c33 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/nn/sparse/quantized/utils.py @@ -0,0 +1,63 @@ +import threading +from typing import Optional + + +__all__ = ["LinearBlockSparsePattern"] + + +def _is_valid_linear_block_sparse_pattern( + row_block_size: int, col_block_size: int +) -> bool: + return (row_block_size == 1 and col_block_size == 4) or ( + row_block_size == 8 and col_block_size == 1 + ) + + +# This is a stop-gap measure as current flow does not allow module +# specific block sparse pattern. +# Infact there is no way to convey sparse pattern via module config +# of quantization flow. Thus using the global context to convey +# sparsity pattern. +# Once the flow supports it, this should be removed. +class LinearBlockSparsePattern: + rlock = threading.RLock() + row_block_size: int = 1 + col_block_size: int = 4 + prev_row_block_size: int = 1 + prev_col_block_size: int = 4 + + def __init__(self, row_block_size: int = 1, col_block_size: int = 4): + assert _is_valid_linear_block_sparse_pattern(row_block_size, col_block_size) + LinearBlockSparsePattern.rlock.acquire() + LinearBlockSparsePattern.prev_row_block_size = ( + LinearBlockSparsePattern.row_block_size + ) + LinearBlockSparsePattern.prev_col_block_size = ( + LinearBlockSparsePattern.col_block_size + ) + LinearBlockSparsePattern.row_block_size = row_block_size + LinearBlockSparsePattern.col_block_size = col_block_size + + def __enter__(self) -> None: + pass + + def __exit__( + self, + exc_type: Optional[type[BaseException]], + exc_value: Optional[BaseException], + backtrace: Optional[object], + ) -> None: + 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end_node_matches_reversed_fusion, + get_reversed_fusions, + get_type_a_related_to_b, +) + + +toq = torch.ops.quantized + + +def _get_output_nodes(g: Graph) -> list[Node]: + return [n for n in g.nodes if n.op == "output"] + + +class _NSGraphMatchableSubgraphsIterator: + """ + Iterates through the graph of gm, starting with the output nodes + and continuing backwards. + 1. Returns matchable subgraphs, in order. A subgraph is defined by + (start_node, end_node). + 2. Skips over non-matchable subgraphs + """ + + def __init__( + self, + gm: GraphModule, + non_matchable_functions: set[NSNodeTargetType], + non_matchable_modules: set[NSNodeTargetType], + non_matchable_methods: set[NSNodeTargetType], + ): + self.gm: GraphModule = gm + self.non_matchable_functions: set[NSNodeTargetType] = non_matchable_functions + self.non_matchable_modules: set[NSNodeTargetType] = non_matchable_modules + self.non_matchable_methods: set[NSNodeTargetType] = non_matchable_methods + self.seen_nodes: set[Node] = set() + self.stack: list[Node] = [] + for start_node in _get_output_nodes(self.gm.graph): + self.stack.append(start_node) + + def __iter__(self): + return self + + def __next__(self) -> NSSubgraph: + """ + Returns the next matchable subgraph. + """ + while len(self.stack) > 0: + cur_end_node = self.stack.pop() + if cur_end_node in self.seen_nodes: + continue + + # for subgraphs which are single nodes, start_node == end_node + # for subgraphs with more than one node, start node != end_node + cur_start_node = cur_end_node + # Subgraphs like linear-relu have the base node as the start node. + # Subgraphs like dequantize-linear-relu-to(torch.float16) have the + # base node as the second node. + # The cur_base_op_node var will move to the actual node during + # the fusion matching later in this code block. + cur_base_op_node = cur_end_node + + # Check for potential fusions. For now, we are greedy + # and always skip all non-base nodes of a fusion. For example, + # if we match linear-relu backwards, we will always skip the + # relu node and attempt to match the linear node. This can + # be made configurable later if needed. + for _reverse_fusion_ops, base_op_idx in get_reversed_fusions(): + is_match = end_node_matches_reversed_fusion( + cur_end_node, _reverse_fusion_ops, self.gm, self.seen_nodes + ) + if is_match: + # navigate to the base node + for rev_fusion_idx in range(len(_reverse_fusion_ops) - 1): + self.seen_nodes.add(cur_start_node) + # for now, assume that there are no other nodes + # which need to be added to the stack + cur_start_node = cur_start_node.args[0] # type: ignore[assignment] + # if the base op index matches the current node, set it + rev_base_op_idx = len(_reverse_fusion_ops) - 2 - base_op_idx + if rev_fusion_idx == rev_base_op_idx: + cur_base_op_node = cur_start_node + break + + self.seen_nodes.add(cur_start_node) + # add args of previous nodes to stack + for arg in cur_start_node.all_input_nodes: + self._recursively_add_node_arg_to_stack(arg) + + # skip unmatchable nodes + # note: this check is done on the start_node, i.e. + # if we are matching linear-relu in reverse, this would do the matchable + # check on the linear + if not self._is_matchable(cur_base_op_node): + continue + + # If an observer or a fake_quant was not matched as a part of + # a pattern of multiple nodes, ignore it. One case where this is + # relevant is an observer on a graph input, which was added because + # it is necessary for the next node. + if cur_end_node.op == "call_module" and cur_start_node is cur_end_node: + maybe_obs = getattr_from_fqn(self.gm, cur_end_node.target) # type: ignore[arg-type] + if isinstance(maybe_obs, (ObserverBase, FakeQuantizeBase)): + continue + + return NSSubgraph( + start_node=cur_start_node, + end_node=cur_end_node, + base_op_node=cur_base_op_node, + ) + + raise StopIteration + + def _recursively_add_node_arg_to_stack(self, arg: Any) -> None: + """ + Adds all of the nodes in this arg to the stack, properly navigating + through list, dicts and tuples. + """ + if isinstance(arg, Node): + self.stack.append(arg) + elif ( + isinstance(arg, torch.fx.immutable_collections.immutable_list) + or type(arg) is tuple + ): + for inner_arg in arg: + self._recursively_add_node_arg_to_stack(inner_arg) + elif isinstance(arg, torch.fx.immutable_collections.immutable_dict): + for value in arg.values(): + self._recursively_add_node_arg_to_stack(value) + + def _is_matchable(self, node: Node) -> bool: + if node.op == "call_function": + return node.target not in self.non_matchable_functions + elif node.op == "call_module": + assert isinstance(node.target, str) + target_mod = getattr_from_fqn(self.gm, node.target) + return not any( + isinstance(target_mod, t) # type: ignore[arg-type] + for t in self.non_matchable_modules + ) + elif node.op == "call_method": + return node.target not in self.non_matchable_methods + else: + return False + + +class GraphMatchingException(Exception): + """ + Exception raised when two graphs cannot be matched. + """ + + +class SubgraphTypeRelationship(enum.Enum): + # same type, known + # example: F.linear and F.linear, or nn.Conv2d and nn.Conv2d + EQUAL = enum.auto() + # same type, but the type is not known to Numerical Suite + # (user defined type, etc). + EQUAL_BUT_UKNOWN = enum.auto() + # known, same subgraph_relationship set, but not the same type + # example: F.linear and toq.linear + RELATED_BUT_NOT_EQUAL = enum.auto() + # not related + NOT_RELATED = enum.auto() + + +def _get_subgraph_relationship_type( + subgraph_a: NSSubgraph, + subgraph_b: NSSubgraph, + gm_a: GraphModule, + gm_b: GraphModule, + type_a_related_to_b: set[tuple[NSNodeTargetType, NSNodeTargetType]], +) -> SubgraphTypeRelationship: + node_a = subgraph_a.base_op_node + node_b = subgraph_b.base_op_node + + # TODO(next): make this code handle matching by what is before the base op + if node_a.op != node_b.op: + if not ( + node_a.op in ("call_function", "call_method") + and node_b.op in ("call_function", "call_method") + ): + return SubgraphTypeRelationship.NOT_RELATED + + if node_a.op in ("call_function", "call_method"): + key = (node_a.target, node_b.target) + + if key not in type_a_related_to_b: + if node_a.target == node_b.target: + return SubgraphTypeRelationship.EQUAL_BUT_UKNOWN + else: + return SubgraphTypeRelationship.NOT_RELATED + # after this point, we are dealing with known types + + if node_a.target == node_b.target: + node_a_has_prev = subgraph_a.base_op_node == subgraph_a.start_node + node_b_has_prev = subgraph_b.base_op_node == subgraph_b.start_node + if node_a_has_prev and (not node_b_has_prev): + return SubgraphTypeRelationship.RELATED_BUT_NOT_EQUAL + elif (not node_a_has_prev) and node_b_has_prev: + return SubgraphTypeRelationship.RELATED_BUT_NOT_EQUAL + elif (not node_a_has_prev) and (not node_b_has_prev): + return SubgraphTypeRelationship.EQUAL + else: + # TODO(future PR): check for matches start_op_node and base_op_node + return SubgraphTypeRelationship.EQUAL + + if key in type_a_related_to_b: + return SubgraphTypeRelationship.RELATED_BUT_NOT_EQUAL + else: + return SubgraphTypeRelationship.NOT_RELATED + elif node_a.op == "call_module": + assert ( + subgraph_a.base_op_node == subgraph_a.start_node + and subgraph_b.base_op_node == subgraph_b.start_node + ), "Matching call_module patterns where base_op_node != start_node is not supported yet" + # for call_module, we need to look up the modules to do the type check + assert isinstance(node_a.target, str) + mod_a = getattr_from_fqn(gm_a, node_a.target) + assert isinstance(node_b.target, str) + mod_b = getattr_from_fqn(gm_b, node_b.target) + + key = (type(mod_a), type(mod_b)) + + if key not in type_a_related_to_b: + if type(mod_a) == type(mod_b): + return SubgraphTypeRelationship.EQUAL_BUT_UKNOWN + else: + return SubgraphTypeRelationship.NOT_RELATED + elif type(mod_a) == type(mod_b): + return SubgraphTypeRelationship.EQUAL + else: + return SubgraphTypeRelationship.RELATED_BUT_NOT_EQUAL + + return SubgraphTypeRelationship.NOT_RELATED + + +def _get_name_for_subgraph( + subgraph_a: NSSubgraph, + gm_a: GraphModule, + base_name_to_sets_of_related_ops: dict[str, set[NSNodeTargetType]], + existing_names: set[str], +) -> str: + """ + Returns a unique name for a subgraph. This name is based on two things: + 1. the name of the set containing the underlying type of the base op in the + subgraph (i.e. 'torch.nn.functional.linear' if this is related to a linear op) + 2. the number of previous subgraphs with related underlying type of the base op + + For example, in the graph + + linear0 -> relu0 -> linear1 -> relu1 + + The subgraphs are (linear0, relu0) and (linear1, relu1). If we iterate + from the output node backwards, the name given to (linear1, relu1) will be + `base_op_torch.nn.functional.linear_0`, and the name given to (linear0, relu0) + will be `base_op_torch.nn.functional.linear_1`. + + Why are we not just using the node name? Answer: because of two requirements: + A. fusions must be supported + B. some Numeric Suite APIs can be called without having all of the models in memory + + For example, let's say we need to match nodes of + + (1) ... -> linear0 -> relu0 -> ... + + And + + (2) ... -> linear_relu0 -> ... + + Without being able to inspect them together. With the current naming scheme, if + we iterate through both of these graphs in the same order, and assuming the rest + of the graphs match, both of these subgraphs will get the same name without + (1) and (2) knowing anything about each other. + """ + target_type = _get_node_target_type(subgraph_a.base_op_node, gm_a) + target_base_type = None + for base_name, sets_of_related_ops in base_name_to_sets_of_related_ops.items(): + if target_type in sets_of_related_ops: + target_base_type = base_name + target_base_name = "base_op_" + str(target_base_type) + counter = 0 + proposed_name = target_base_name + "_" + str(counter) + while proposed_name in existing_names: + counter += 1 + proposed_name = target_base_name + "_" + str(counter) + existing_names.add(proposed_name) + return proposed_name + + +def _get_node_target_type(node: Node, gm: GraphModule) -> Optional[NSNodeTargetType]: + if node.op in ("call_function", "call_method"): + return node.target + elif node.op == "call_module": + assert isinstance(node.target, str) + mod = getattr_from_fqn(gm, node.target) + return type(mod) + return None + + +def get_matching_subgraph_pairs( + gm_a: GraphModule, + gm_b: GraphModule, + base_name_to_sets_of_related_ops: Optional[dict[str, set[NSNodeTargetType]]] = None, + unmatchable_types_map: Optional[dict[str, set[NSNodeTargetType]]] = None, +) -> dict[str, tuple[NSSubgraph, NSSubgraph]]: + """ + Matches matchable subgraphs of graph_a to graph_b. + + For a node, "matchable" is defined as a node which is not an observer, + fake_quants, quant or dequant. + + A subgraph can contain one or more nodes. A subgraph is matchable if + at least one node inside of it is matchable. Currently, all nodes in + a subgraph must be matchable (because we assume no observers will be + inserted in the middle of a fusion). + + A subgraph is defined by (start_node, end_node). We assume that only + start_node and end_node are linked with the surrounding graph, all other + nodes in a subgraph are self-contained. + + A pair of nodes is "related" if both nodes represent the same mathematical + operation across different quantization flavors. For example, + `F.linear` and `torch.ops.quantized.linear` are related, and + `F.linear` and `torch.nn.Conv` are not related. + + For each matchable pair of nodes node_a and node_b, they will match + if node_a and node_b are related. + + For graphs A and B, they will match iff: + 1. the number of matchable subgraphs in A and B is equivalent + 2. when iterating through the matchable subgraphs of A and B in the same order, each + corresponding pair of base nodes is related. + + This enables us to find the corresponding subgraphs between + graphs of related models. For example, if we had two graphs such as: + + graph_a: x0 -> conv_0 (type: nn.Conv2d) -> obs_0 -> x1 + w -/ + b -/ + + graph_b: x0 -> quant_0 -> qconv_0 (type: nnq.Conv2d) -> dequant_0 -> x1 + packed_params_0 -/ + + This function will return the following result: + { + 'conv_0': ( # the name of the node in graph_b + (conv_0, conv_0), # (start_node_a, end_node_a) + (qconv_0, qconv_0), # (start_node_b, end_node_b) + ), + } + + Or, if we have a fusion pattern, + + graph_a: x0 -> linear_0 -> relu_0 -> obs_0 -> x1 + w -/ + b -/ + + graph_b: x0 -> quant_0 -> linear_relu_0 -> dequant_0 -> x1 + packed_params_0 -/ + + This function will return the following result: + { + 'linear_relu_0': ( # the name of the node in graph_b + (linear_0, relu_0), # (start_node_a, end_node_a) + (linear_relu_0, linear_relu_0), # (start_node_b, end_node_b) + ), + } + """ + if unmatchable_types_map is None: + unmatchable_types_map = get_unmatchable_types_map() + non_matchable_functions = unmatchable_types_map["funs_unmatchable"] + non_matchable_modules = unmatchable_types_map["mods_unmatchable"] + non_matchable_methods = unmatchable_types_map["meths_unmatchable"] + + graph_a_iterator = _NSGraphMatchableSubgraphsIterator( + gm_a, non_matchable_functions, non_matchable_modules, non_matchable_methods + ) + graph_b_iterator = _NSGraphMatchableSubgraphsIterator( + gm_b, non_matchable_functions, non_matchable_modules, non_matchable_methods + ) + results = collections.OrderedDict() + if base_name_to_sets_of_related_ops is None: + base_name_to_sets_of_related_ops = get_base_name_to_sets_of_related_ops() + type_a_related_to_b = get_type_a_related_to_b(base_name_to_sets_of_related_ops) + + existing_names_a: set[str] = set() + existing_names_b: set[str] = set() + + while True: + # fetch the next subgraphs from a and b + cur_subgraph_a, cur_subgraph_b = None, None + try: + cur_subgraph_a = next(graph_a_iterator) + except StopIteration: + pass + try: + cur_subgraph_b = next(graph_b_iterator) + except StopIteration: + pass + + # look up types of a and b for useful error messages + type_start_a, type_start_b = None, None + if cur_subgraph_a is not None: + type_start_a = _get_node_target_type(cur_subgraph_a.start_node, gm_a) + if cur_subgraph_b is not None: + type_start_b = _get_node_target_type(cur_subgraph_b.start_node, gm_b) + + # check for results and determine what to do next + if cur_subgraph_a is not None and cur_subgraph_b is not None: + # both nodes were fetched, check for subgraph_relationship + # note: subgraph_relationship is checked on the start node, i.e. + # if a linear-relu pattern is checked, we would check for subgraph_relationship + # of the linear + subgraph_relationship = _get_subgraph_relationship_type( + cur_subgraph_a, cur_subgraph_b, gm_a, gm_b, type_a_related_to_b + ) + if subgraph_relationship == SubgraphTypeRelationship.NOT_RELATED: + msg = f""" +The subgraphs +({cur_subgraph_a}, {type_start_a}) and +({cur_subgraph_b}, {type_start_b}) +are not related. Please ensure that the two models you pass in have the same number +of subgraphs, and each pair of subgraphs is related to each other.""" + raise GraphMatchingException(msg) + elif subgraph_relationship == SubgraphTypeRelationship.EQUAL_BUT_UKNOWN: + # skip matching but unknown types + continue + key_name_a = _get_name_for_subgraph( + cur_subgraph_a, gm_a, base_name_to_sets_of_related_ops, existing_names_a + ) + key_name_b = _get_name_for_subgraph( + cur_subgraph_b, gm_b, base_name_to_sets_of_related_ops, existing_names_b + ) + assert ( + key_name_a == key_name_b + ), f"Subgraph names {key_name_a} and {key_name_b} do not match" + results[key_name_a] = (cur_subgraph_a, cur_subgraph_b) + continue + elif cur_subgraph_a is None and cur_subgraph_b is None: + # we reached the end of both graphs + break + else: + # only one node was fetched, no match possible, throw error + msg = f""" +Attempting to match +({cur_subgraph_a}, {type_start_a}) and +({cur_subgraph_b}, {type_start_b}), +one of which is empty. Please ensure that the two models you pass in have the same number +of subgraphs.""" + raise GraphMatchingException(msg) + + # The subgraph pairs are originally created by traversing the two graphs + # from the outputs to the inputs. Reverse the results to return the + # subgraphs in their order of execution. + results = collections.OrderedDict(reversed(list(results.items()))) + + return results diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/graph_passes.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/graph_passes.py new file mode 100644 index 0000000000000000000000000000000000000000..04964bb79be6464e69c603b2b1b13d06322c2abd --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/graph_passes.py @@ -0,0 +1,1125 @@ +# mypy: allow-untyped-defs +from typing import Any, Callable, Optional, Union + +import torch +from torch.ao.ns.fx.mappings import get_node_type_to_io_type_map +from torch.ao.quantization.fx.utils import get_new_attr_name_with_prefix +from torch.ao.quantization.observer import _is_activation_post_process +from torch.fx import GraphModule, map_arg +from torch.fx.graph import Graph, Node + +from .ns_types import NSNodeTargetType, NSSingleResultValuesType, NSSubgraph +from .utils import ( + get_arg_indices_of_inputs_to_log, + get_node_first_input_and_output_type, + get_node_input_qparams, + get_normalized_nth_input, + get_number_of_non_param_args, + get_target_type_str, + getattr_from_fqn, + NodeInputOrOutputType, + op_type_supports_shadowing, + return_first_non_observer_node, +) + + +def _maybe_get_fqn(node: Node, gm: GraphModule) -> Optional[str]: + fqn = None + if hasattr(gm, "_node_name_to_scope"): + # fqn on observers is not present, because they do not + # exist when the fqns are created during tracing. If this is + # an observer, get the fqn of the node being observed. + node_to_use_for_fqn = node + if node.op == "call_module": + assert isinstance(node.target, str) + module = getattr_from_fqn(gm, node.target) + if _is_activation_post_process(module): + node_to_use_for_fqn = get_normalized_nth_input(node, gm, 0) + fqn = gm._node_name_to_scope[node_to_use_for_fqn.name][0] # type: ignore[index] + return fqn # type: ignore[return-value] + + +def _insert_logger_after_node( + node: Node, + gm: GraphModule, + logger_cls: Callable, + logger_node_name_suffix: str, + ref_node_name: str, + model_name: str, + ref_name: str, + ref_node_target_type: str, + results_type: str, + index_within_arg: int, + index_of_arg: int, + fqn: Optional[str], +) -> Node: + """ + Given a starting graph of + + prev_node -> node -> next_node + + This function creates a new logger_cls obj and adds it + after node, resulting in + + prev_node -> node -> logger_obj -> next_node + """ + # create new name + logger_node_name = get_new_attr_name_with_prefix( + node.name + logger_node_name_suffix + )(gm) + target_type = get_target_type_str(node, gm) + # create the logger object + logger_obj = logger_cls( + ref_node_name, + node.name, + model_name, + ref_name, + target_type, + ref_node_target_type, + results_type, + index_within_arg, + index_of_arg, + fqn, + ) + # attach the logger object to the parent module + setattr(gm, logger_node_name, logger_obj) + logger_node = node.graph.create_node("call_module", logger_node_name, (node,), {}) + return logger_node + + +def add_loggers_to_model( + gm: GraphModule, + node_to_instrument_inputs_to_ref_node_name: dict[Node, tuple[str, str]], + node_to_instrument_outputs_to_ref_node_name: dict[Node, tuple[str, str]], + logger_cls: Callable, + model_name: str, +) -> GraphModule: + """ + Takes the graph of gm, adds loggers to the output + of each node in nodes_to_instrument. Returns a GraphModule with the new + graph. + """ + + new_graph = Graph() + env: dict[str, Any] = {} + + def load_arg(a): + return map_arg(a, lambda node: env[node.name]) + + for node in gm.graph.nodes: + if node.op == "output": + new_graph.output(map_arg(get_normalized_nth_input(node, gm, 0), load_arg)) + continue + + if (node in node_to_instrument_inputs_to_ref_node_name) or ( + node in node_to_instrument_outputs_to_ref_node_name + ): + fqn = _maybe_get_fqn(node, gm) + + if node in node_to_instrument_inputs_to_ref_node_name: + ref_name, ref_node_type = node_to_instrument_inputs_to_ref_node_name[ + node + ] + # Ops such add and mul are special because either + # one or two of the first two arguments can be tensors, + # and if one argument is a tensor it can be first or + # second (x + 1 versus 1 + x). + arg_indices_to_log = get_arg_indices_of_inputs_to_log(node) + for node_arg_idx in arg_indices_to_log: + node_arg = get_normalized_nth_input(node, gm, node_arg_idx) + if type(node_arg) == Node: + # create a single input logger + prev_node = env[node_arg.name] + env[node_arg.name] = _insert_logger_after_node( + prev_node, + gm, + logger_cls, + "_ns_logger_", + node.name, + model_name, + ref_name, + ref_node_type, + NSSingleResultValuesType.NODE_INPUT.value, + index_within_arg=0, + index_of_arg=node_arg_idx, + fqn=fqn, + ) + elif ( + type(node_arg) == torch.fx.immutable_collections.immutable_list + ): + # create N input loggers, one for each node + for arg_idx, arg in enumerate(node_arg): # type: ignore[var-annotated, arg-type] + prev_node = env[arg.name] + env[prev_node.name] = _insert_logger_after_node( + prev_node, + gm, + logger_cls, + "_ns_logger_", + node.name, + model_name, + ref_name, + ref_node_type, + NSSingleResultValuesType.NODE_INPUT.value, + index_within_arg=arg_idx, + index_of_arg=node_arg_idx, + fqn=fqn, + ) + else: + pass + + # ensure env is populated with base node + # Note: runs for both inputs and outputs + env[node.name] = new_graph.node_copy(node, load_arg) + + if node in node_to_instrument_outputs_to_ref_node_name: + ref_name, ref_node_type = node_to_instrument_outputs_to_ref_node_name[ + node + ] + # add the logger after the base node + env[node.name] = _insert_logger_after_node( + env[node.name], + gm, + logger_cls, + "_ns_logger_", + node.name, + model_name, + ref_name, + ref_node_type, + NSSingleResultValuesType.NODE_OUTPUT.value, + index_within_arg=0, + index_of_arg=0, + fqn=fqn, + ) + + else: + env[node.name] = new_graph.node_copy(node, load_arg) + + new_gm = GraphModule(gm, new_graph) + return new_gm + + +def _insert_quantize_per_tensor_node( + prev_node_c: Node, + node_a: Node, + gm_b: GraphModule, + graph_c: Graph, + scale: Union[torch.Tensor, float], + zero_point: Union[torch.Tensor, int], + dtype_cast_name: str, +) -> Node: + # copy scale + scale_node_name = get_new_attr_name_with_prefix(node_a.name + "_input_scale_")(gm_b) + setattr(gm_b, scale_node_name, scale) + scale_node = graph_c.create_node( + "get_attr", scale_node_name, (), {}, scale_node_name + ) + # copy zero_point + zero_point_node_name = get_new_attr_name_with_prefix( + node_a.name + "_input_zero_point_" + )(gm_b) + setattr(gm_b, zero_point_node_name, zero_point) + zero_point_node = graph_c.create_node( + "get_attr", zero_point_node_name, (), {}, zero_point_node_name + ) + # create the quantize_per_tensor call + return graph_c.create_node( + "call_function", + torch.quantize_per_tensor, + (prev_node_c, scale_node, zero_point_node, torch.quint8), + {}, + dtype_cast_name, + ) + + +def _insert_dtype_cast_after_node( + node_a: Node, + node_c: Node, + prev_node_c: Union[Node, list[Node]], + gm_a: GraphModule, + gm_b: GraphModule, + graph_c: Graph, + node_name_prefix: str, + logger_cls: Callable, + node_type_to_io_type_map: dict[str, set[NSNodeTargetType]], +) -> Union[Node, list[Node]]: + """ + Given a starting graph C (derived from graph B) of + + ... -> prev_node_c -> node_c -> ... + + And a corresponding related node_a, inserts the correct dtype + cast node after prev_node_c to cast into the dtype expected + by node_a, resulting in: + + dtype_cast + / + ... -> prev_node_c -> node_c -> ... + + For example, if node_c is an int8 op and node_a is an fp32 op, this function + will insert a dequant. + """ + dtype_cast_op = None + dtype_cast_mod_cls = None + dtype_cast_method = None + dtype_cast_method_dtype = None + dtype_cast_scale = None + dtype_cast_zero_point = None + node_input_type_a, _node_output_type_a = get_node_first_input_and_output_type( + node_a, gm_a, logger_cls, node_type_to_io_type_map + ) + node_input_type_c, _node_output_type_c = get_node_first_input_and_output_type( + node_c, gm_b, logger_cls, node_type_to_io_type_map + ) + + if ( + ( + node_input_type_a == NodeInputOrOutputType.FP32 + and node_input_type_c == NodeInputOrOutputType.INT8 + ) + or ( + node_input_type_a == NodeInputOrOutputType.FP32 + and node_input_type_c == NodeInputOrOutputType.FP16 + ) + or + # TODO(future PR): determine the actual dtype of node_c, + # the current code only works because dequantize works with + # multiple input dtypes. + ( + node_input_type_a == NodeInputOrOutputType.FP32 + and node_input_type_c == NodeInputOrOutputType.FP32_OR_INT8 + ) + ): + dtype_cast_op = torch.dequantize + elif ( + node_input_type_a == node_input_type_c + and node_input_type_a != NodeInputOrOutputType.UNKNOWN + ): + dtype_cast_mod_cls = torch.nn.Identity + elif ( + node_input_type_a == NodeInputOrOutputType.INT8 + and node_input_type_c == NodeInputOrOutputType.FP32 + ): + # int8 shadows fp32, the dtype cast needs to quantize to int8 + # with the right qparams. + node_a_input_qparams = get_node_input_qparams( + node_a, gm_a, node_type_to_io_type_map + ) + if node_a_input_qparams is not None: + dtype_cast_op = torch.quantize_per_tensor # type: ignore[assignment] + dtype_cast_scale, dtype_cast_zero_point = node_a_input_qparams + elif ( + node_input_type_a == NodeInputOrOutputType.FP16 + and node_input_type_c == NodeInputOrOutputType.FP32 + ): + dtype_cast_method = "to" + dtype_cast_method_dtype = torch.float16 + else: + raise AssertionError( + f"dtype cast from {node_input_type_c} {node_c.format_node()} to " + + f"{node_input_type_a} {node_a.format_node()} needs to be implemented" + ) + + if isinstance(prev_node_c, Node): + new_dtype_cast_name = get_new_attr_name_with_prefix(node_name_prefix)(gm_b) + if dtype_cast_op: + if dtype_cast_scale is not None and dtype_cast_zero_point is not None: + return _insert_quantize_per_tensor_node( + prev_node_c, + node_a, + gm_b, + graph_c, + dtype_cast_scale, + dtype_cast_zero_point, + new_dtype_cast_name, + ) + else: + return graph_c.create_node( + "call_function", + dtype_cast_op, + (prev_node_c,), + {}, + new_dtype_cast_name, + ) + elif dtype_cast_method: + return graph_c.create_node( + "call_method", + dtype_cast_method, + (prev_node_c, dtype_cast_method_dtype), + {}, + new_dtype_cast_name, + ) + else: + assert dtype_cast_mod_cls + dtype_cast_mod = dtype_cast_mod_cls() + setattr(gm_b, new_dtype_cast_name, dtype_cast_mod) + return graph_c.create_node( + "call_module", + new_dtype_cast_name, + (prev_node_c,), + {}, + new_dtype_cast_name, + ) + elif isinstance(prev_node_c, list): + results = [] + for prev_node_c_inner in prev_node_c: + new_dtype_cast_name = get_new_attr_name_with_prefix(node_name_prefix)(gm_b) + if dtype_cast_op: + # TODO(future PR): add handling for quantize_per_tensor + new_dtype_cast_node = graph_c.create_node( + "call_function", + dtype_cast_op, + (prev_node_c_inner,), + {}, + new_dtype_cast_name, + ) + results.append(new_dtype_cast_node) + else: + assert dtype_cast_mod_cls + dtype_cast_mod = dtype_cast_mod_cls() + setattr(gm_b, new_dtype_cast_name, dtype_cast_mod) + new_dtype_cast_node = graph_c.create_node( + "call_module", + new_dtype_cast_name, + (prev_node_c_inner,), + {}, + new_dtype_cast_name, + ) + results.append(new_dtype_cast_node) + return results + else: + raise AssertionError(f"type f{type(prev_node_c)} is not handled") + + +# TODO(future PR): look into using copy_node API instead +def _copy_node_from_a_to_c( + node_a: Node, + gm_a: GraphModule, + gm_b: GraphModule, + graph_c: Graph, +) -> Node: + """ + Simple copy of node_a to graph_c. + """ + if node_a.op == "get_attr": + node_a_copy_name = get_new_attr_name_with_prefix(node_a.name + "_shadow_copy_")( + gm_b + ) + node_a_obj = getattr_from_fqn(gm_a, node_a.target) # type: ignore[arg-type] + if torch.is_tensor(node_a_obj): + node_a_obj = node_a_obj.detach() + setattr(gm_b, node_a_copy_name, node_a_obj) + node_a_copy = graph_c.create_node( + node_a.op, node_a_copy_name, (), {}, node_a_copy_name + ) + return node_a_copy + elif node_a.op == "call_method": + assert node_a.target in ( + "dequantize", + "to", + ), f"target {node_a.target} is not implemented" + if node_a.target == "dequantize": + arg_copy = _copy_node_from_a_to_c( + get_normalized_nth_input(node_a, gm_a, 0), gm_a, gm_b, graph_c + ) # type: ignore[arg-type] + node_a_copy_name = get_new_attr_name_with_prefix( + node_a.name + "_shadow_copy_" + )(gm_b) + node_a_copy = graph_c.create_node( + node_a.op, node_a.target, (arg_copy,), {}, node_a_copy_name + ) + return node_a_copy + else: # to + arg_copy = _copy_node_from_a_to_c( + get_normalized_nth_input(node_a, gm_a, 0), gm_a, gm_b, graph_c + ) # type: ignore[arg-type] + node_a_copy_name = get_new_attr_name_with_prefix( + node_a.name + "_shadow_copy_" + )(gm_b) + node_a_copy = graph_c.create_node( + node_a.op, + node_a.target, + (arg_copy, get_normalized_nth_input(node_a, gm_a, 1)), + {}, + node_a_copy_name, + ) + return node_a_copy + + else: + raise AssertionError( + f"handling of node {node_a.format_node()} with op {node_a.op} is not implemented" + ) + + +def _can_insert_copy_of_subgraph_a( + subgraph_a: NSSubgraph, + gm_a: GraphModule, + num_non_param_args_node_a: int, +) -> bool: + """ + This function returns `False` if the input subgraph cannot be copied by + `_insert_copy_of_subgraph_a_after_input_node_c`. This usually means + that there is a corner case logic for which copy is not yet implemented. + """ + # populate the list of nodes we need to check + nodes = [] + cur_node = subgraph_a.end_node + while cur_node != subgraph_a.start_node: + nodes.append(cur_node) + cur_node = get_normalized_nth_input(cur_node, gm_a, 0) # type: ignore[assignment] + nodes.append(cur_node) + nodes.reverse() + + def _can_insert(node_a_arg, gm_a): + if isinstance(node_a_arg, Node): + arg_a = return_first_non_observer_node(node_a_arg, gm_a) + if arg_a.op == "call_method": + return arg_a.target in ("dequantize", "to") + elif arg_a.op == "get_attr": + return True + else: + return False + elif isinstance(node_a_arg, (list, tuple)): + for el in node_a_arg: + if not isinstance(el, Node): + return False + return True + + # For each node, check if we handle the copy behavior. This follows the + # logic in `_insert_copy_of_subgraph_a_after_input_node_c`. + for node_a in nodes: + local_num_non_param_args_node_a = ( + num_non_param_args_node_a if node_a is nodes[0] else 1 + ) + + norm_args_kwargs = node_a.normalized_arguments( + gm_a, normalize_to_only_use_kwargs=True + ) + if norm_args_kwargs is not None: + norm_args, norm_kwargs = norm_args_kwargs + else: + norm_args, norm_kwargs = node_a.args, node_a.kwargs + + cur_idx = 0 + + while cur_idx < len(norm_args): + if cur_idx == 0: + pass + elif cur_idx == 1 and local_num_non_param_args_node_a == 2: + pass + else: + if not _can_insert(norm_args[cur_idx], gm_a): + return False + cur_idx += 1 + + for kwarg_val in norm_kwargs.values(): + # stitch the inputs from base graph + if cur_idx == 0: + pass + elif cur_idx == 1 and local_num_non_param_args_node_a == 2: + pass + else: + if not _can_insert(kwarg_val, gm_a): + return False + cur_idx += 1 + + return True + + +def _insert_copy_of_subgraph_a_after_input_node_c( + input_node_c: Union[Node, list[Node]], + input_node_c_2: Optional[Union[Node, list[Node]]], + subgraph_a: NSSubgraph, + gm_a: GraphModule, + gm_b: GraphModule, + node_name_prefix: str, +) -> Node: + """ + TODO(before land): real docblock + """ + assert isinstance(input_node_c, (Node, list)) + + # create a sequential list of the subgraphs' nodes from start to end, + # because we need to add the nodes to graph C in non-reverse order + nodes_of_a = [subgraph_a.end_node] + cur_node = subgraph_a.end_node + while cur_node != subgraph_a.start_node: + cur_node = get_normalized_nth_input(cur_node, gm_a, 0) # type: ignore[assignment] + nodes_of_a.insert(0, cur_node) + + # go through nodes of a in order, and insert them into the graph of c + # sequentially + cur_node_a = nodes_of_a[0] + cur_node_c = _insert_copy_of_node_a_after_input_node_c( + input_node_c, input_node_c_2, cur_node_a, gm_a, gm_b, node_name_prefix + ) + for cur_idx_a in range(1, len(nodes_of_a)): + cur_node_a = nodes_of_a[cur_idx_a] + prev_node_c = cur_node_c # previous added node is the input to next node + cur_node_c = _insert_copy_of_node_a_after_input_node_c( + prev_node_c, + # TODO(future PR): enable multiple inputs for nodes which are not at start of subgraph + None, + cur_node_a, + gm_a, + gm_b, + node_name_prefix, + ) + # return the last inserted node + return cur_node_c + + +def _insert_copy_of_node_a_after_input_node_c( + input_node_c: Union[Node, list[Node]], + input_node_c_2: Optional[Union[Node, list[Node]]], + node_a: Node, + gm_a: GraphModule, + gm_b: GraphModule, + node_name_prefix: str, +) -> Node: + """ + Assume that node_a from graph_a has + args (input, (input2)?, arg1, ...), and + kwargs {kw0: kwarg0, ...} + + Note: input2 is optional. If it equals to None, we assume that the op + has a single non-param input. If it is specified, we assume that the op + has two non-param inputs. + + Copies the underlying values of arg1..argn and kwarg0..kwargn into gm_b, + and creates the corresponding nodes in graph_c. Note: observers are ignored, + so if an arg is an observer we navigate up until we find a non-observer parent. + + If node_a is a call_module, points the module pointed to by node_a to gm_b. + + Creates the copy of node_a in graph_c, with input as the first arg, + and all other args and kwargs pointing to the copies of the objects + in gm_b created above. + + An example in pictures: + + graph A: + ======== + + input -------------> node_a + / / / + (input_2)?----------/ / / + / / + weight -> weight_obs / + / + bias ---------------- + + graph C (derived from B): + ========================= + + input_node_c --> node_a_copy + / / / + (input_node_c_2)? / / + / / + weight_copy ----/ / + / + bias_copy ------/ + """ + if isinstance(input_node_c, Node): + graph_c = input_node_c.graph + else: + assert isinstance(input_node_c, list) + graph_c = input_node_c[0].graph + + norm_args_kwargs = node_a.normalized_arguments( + gm_a, normalize_to_only_use_kwargs=True + ) + if norm_args_kwargs is not None: + norm_args, norm_kwargs = norm_args_kwargs + else: + norm_args, norm_kwargs = node_a.args, node_a.kwargs + + new_args = [] + new_kwargs = {} + + def _copy_arg(arg): + # copy the other inputs from the other graph + if isinstance(arg, Node): + arg = return_first_non_observer_node(arg, gm_a) + arg = _copy_node_from_a_to_c(arg, gm_a, gm_b, graph_c) + return arg + elif isinstance(arg, (int, float, torch.dtype)): + return arg + elif isinstance(kwarg_val, (list, tuple)): + for el in kwarg_val: + assert not isinstance( + el, Node + ), "handling of Node inside list is not implemented" + return arg + else: + raise AssertionError( + f"handling for kwarg of type {type(kwarg_val)} is not implemented" + ) + + cur_idx = 0 + + while cur_idx < len(norm_args): + if cur_idx == 0: + new_arg = input_node_c + elif cur_idx == 1 and input_node_c_2 is not None: + new_arg = input_node_c_2 + else: + new_arg = _copy_arg(norm_args[cur_idx]) + new_args.append(new_arg) + cur_idx += 1 + + for kwarg_name, kwarg_val in norm_kwargs.items(): + # stitch the inputs from base graph + if cur_idx == 0: + new_kwargs[kwarg_name] = input_node_c + elif cur_idx == 1 and input_node_c_2 is not None: + new_kwargs[kwarg_name] = input_node_c_2 + else: + new_kwargs[kwarg_name] = _copy_arg(kwarg_val) + cur_idx += 1 + + new_args = tuple(new_args) # type: ignore[assignment] + + node_a_shadows_c_name = get_new_attr_name_with_prefix(node_name_prefix)(gm_b) + + if node_a.op == "call_module": + # if target is a module, we point to the module from gm_b + new_mod_copy_name = get_new_attr_name_with_prefix(node_name_prefix)(gm_b) + # fetch the corresponding module from gm_a + assert isinstance(node_a.target, str) + mod_a = getattr_from_fqn(gm_a, node_a.target) + setattr(gm_b, new_mod_copy_name, mod_a) + node_a_shadows_c = graph_c.create_node( + node_a.op, new_mod_copy_name, new_args, new_kwargs, node_a_shadows_c_name # type: ignore[arg-type] + ) + return node_a_shadows_c + else: + assert node_a.op in ("call_function", "call_method") + node_a_shadows_c = graph_c.create_node( + node_a.op, node_a.target, new_args, new_kwargs, node_a_shadows_c_name # type: ignore[arg-type] + ) + return node_a_shadows_c + + +def create_a_shadows_b( + name_a: str, + gm_a: GraphModule, + name_b: str, + gm_b: GraphModule, + matched_subgraph_pairs: dict[str, tuple[NSSubgraph, NSSubgraph]], + logger_cls: Callable, + should_log_inputs: bool, + node_type_to_io_type_map: Optional[dict[str, set[NSNodeTargetType]]] = None, +) -> GraphModule: + """ + Creates a new GraphModule consisting of the graph of C, with the meaningful + nodes of A shadowing the corresponding nodes of B. For example, + + Graph A: + a0 -> op0_fp32 -> a1 -> op1_fp32 -> a2 + + Graph B: + b0 -> op0_int8 -> b1 -> op1_int8 -> b2 + + matched_node_pairs: {'op0': (op0_fp32, op0_int8), 'op1': (op1_fp32, op1_int8)} + + Graph C (A shadows B): + + / dequant0 -> op0_fp32 -> logger_a_0 / dequant_1 -> op1_fp32 -> logger_a_1 + / / + b0 -------------> op0_int8 -> logger_b_0 --------------> op1_int8 -> logger_b_1 + + In a nutshell, this function does the following for each node pair: + * copies the necessary attributes and modules from gm_a to gm_b, + keeping names unique + * adds a dtype cast op (dequant, quant, etc) + * adds a copy of node_a in gm_b's graph + * adds loggers to the outputs of node_a and node_b + """ + + if node_type_to_io_type_map is None: + node_type_to_io_type_map = get_node_type_to_io_type_map() + + # graph_c is the graph created from copying the nodes of graph_b and inserting + # the shadows with the nodes copied from graph_a + graph_c = Graph() + env_c: dict[str, Any] = {} + + def load_arg(a): + return map_arg(a, lambda node: env_c[node.name]) + + start_node_b_to_matched_subgraph_a_and_name = {} + end_node_b_to_matched_subgraph_a_and_name = {} + for match_name, match in matched_subgraph_pairs.items(): + subgraph_a, subgraph_b = match + ref_node_type_a = get_target_type_str(subgraph_a.base_op_node, gm_a) + ref_node_type_b = get_target_type_str(subgraph_b.base_op_node, gm_b) + start_node_b_to_matched_subgraph_a_and_name[subgraph_b.start_node] = ( + subgraph_a, + match_name, + ref_node_type_a, + ref_node_type_b, + ) + end_node_b_to_matched_subgraph_a_and_name[subgraph_b.end_node] = ( + subgraph_a, + match_name, + ref_node_type_a, + ref_node_type_b, + ) + + for node_b in gm_b.graph.nodes: + if node_b.op == "output": + graph_c.output(map_arg(node_b.args[0], load_arg)) + continue + + # calculate the flags to determine what to do with this node + node_b_is_start_node = node_b in start_node_b_to_matched_subgraph_a_and_name + node_b_is_end_node = node_b in end_node_b_to_matched_subgraph_a_and_name + + if node_b_is_start_node or node_b_is_end_node: + if node_b_is_start_node: + ( + subgraph_a, + ref_name, + ref_node_type_a, + ref_node_type_b, + ) = start_node_b_to_matched_subgraph_a_and_name[node_b] + else: + assert node_b_is_end_node + ( + subgraph_a, + ref_name, + ref_node_type_a, + ref_node_type_b, + ) = end_node_b_to_matched_subgraph_a_and_name[node_b] + + all_op_types_support_shadowing = op_type_supports_shadowing( + subgraph_a.start_node + ) and op_type_supports_shadowing(node_b) + if not all_op_types_support_shadowing: + print( + f"skipping shadow loggers for node_b: {get_target_type_str(node_b, gm_b)}" + + f", start_node_a: {get_target_type_str(subgraph_a.start_node, gm_a)}" + + ", unsupported" + ) + env_c[node_b.name] = graph_c.node_copy(node_b, load_arg) + continue + + # For both start_node and end_node verify that we know how to do + # the dtype cast. If we do not, skip. + ( + node_input_type_a, + node_output_type_a, + ) = get_node_first_input_and_output_type( + subgraph_a.start_node, gm_a, logger_cls, node_type_to_io_type_map + ) + ( + node_input_type_b, + node_output_type_b, + ) = get_node_first_input_and_output_type( + node_b, gm_b, logger_cls, node_type_to_io_type_map + ) + node_io_types_known_a_and_b = ( + node_input_type_a != NodeInputOrOutputType.UNKNOWN + and node_output_type_a != NodeInputOrOutputType.UNKNOWN + and node_input_type_b != NodeInputOrOutputType.UNKNOWN + and node_output_type_b != NodeInputOrOutputType.UNKNOWN + ) + if not node_io_types_known_a_and_b: + print( + f"skipping shadow loggers for node_b: {get_target_type_str(node_b, gm_b)}" + + f", start_node_a: {get_target_type_str(subgraph_a.start_node, gm_a)}" + + ", unknown dtype cast" + ) + env_c[node_b.name] = graph_c.node_copy(node_b, load_arg) + continue + + # If we are shadowing from fp32 to int8, we need to insert + # quantize_per_tensor call with qparams from the previous node. + # Only do this if we are able to infer these qparams from the graph. + if ( + node_input_type_a == NodeInputOrOutputType.INT8 + and node_input_type_b == NodeInputOrOutputType.FP32 + ): + node_a_input_qparams = get_node_input_qparams( + subgraph_a.start_node, gm_a, node_type_to_io_type_map + ) + if not node_a_input_qparams: + print( + f"skipping shadow loggers for node_b: {get_target_type_str(node_b, gm_b)}" + + f", start_node_a: {get_target_type_str(subgraph_a.start_node, gm_a)}" + + ", unknown input qparams" + ) + env_c[node_b.name] = graph_c.node_copy(node_b, load_arg) + continue + + num_non_param_args_node_a = get_number_of_non_param_args( + subgraph_a.start_node, gm_a + ) + if not _can_insert_copy_of_subgraph_a( + subgraph_a, gm_a, num_non_param_args_node_a + ): + print( + f"skipping shadow loggers for node_b: {get_target_type_str(node_b, gm_b)}" + + f", start_node_a: {get_target_type_str(subgraph_a.start_node, gm_a)}" + + ", unhandled logic in subgraph copy" + ) + env_c[node_b.name] = graph_c.node_copy(node_b, load_arg) + continue + + fqn_base_a = _maybe_get_fqn(subgraph_a.base_op_node, gm_a) + fqn_base_b = _maybe_get_fqn(subgraph_b.base_op_node, gm_b) # type: ignore[possibly-undefined] + + if node_b_is_start_node: + # if necessary, log the input of node_c + if should_log_inputs: + prev_node_b = get_normalized_nth_input(node_b, gm_b, 0) + if isinstance(prev_node_b, Node): + prev_node_c = env_c[prev_node_b.name] + env_c[prev_node_c.name] = _insert_logger_after_node( + prev_node_c, + gm_b, + logger_cls, + "_ns_logger_b_inp_", + node_b.name, + name_b, + ref_name, + ref_node_type_b, + NSSingleResultValuesType.NODE_INPUT.value, + index_within_arg=0, + index_of_arg=0, + fqn=fqn_base_b, + ) + elif isinstance(prev_node_b, list): + # first, save the prev_node instances, because they + # will be overwritten in the env after the first logger + # is added + prev_node_c_list = [env_c[arg.name] for arg in prev_node_b] + + for arg_idx, arg in enumerate(prev_node_b): + prev_node_c = prev_node_c_list[arg_idx] + env_c[prev_node_c.name] = _insert_logger_after_node( + prev_node_c, + gm_b, + logger_cls, + "_ns_logger_b_inp_", + node_b.name, + name_b, + ref_name, + ref_node_type_b, + NSSingleResultValuesType.NODE_INPUT.value, + index_within_arg=arg_idx, + index_of_arg=0, + fqn=fqn_base_b, + ) + else: + # logging of inputs which are not lists is not supported yet + raise AssertionError( + f"type {type(prev_node_b)} is not handled yet" + ) + # subgraph so far: + # + # (prev_node_c)+ -> (logger_c_input)? + + # Note: this if statement is always True, spelling it out to clarify code + # intent. + if node_b_is_start_node or node_b_is_end_node: + # ensure env_c is populated with base node + env_c[node_b.name] = graph_c.node_copy(node_b, load_arg) + node_c = env_c[node_b.name] + + # after this point, + # + # node_a is the original node from graph_a, with parent module gm_a + # node_b is the original node from graph_b, with parent module gm_b + # node_c is the copy of node_b in graph_c + # + # subgraph so far: + # + # (prev_node_c)+ -> (logger_c_input)? -> node_start_c + + if node_b_is_start_node: + # cast dtype from the dtype of node_c's input to the dtype of + # node_a's input (dequant, etc) + # prev_node_c = node_c.args[0] + prev_node_c = get_normalized_nth_input(node_c, gm_b, 0) # type: ignore[possibly-undefined] + if should_log_inputs: + # skip the input logger when inserting a dtype cast + if isinstance(prev_node_c, Node): + prev_node_c = get_normalized_nth_input(node_c, gm_b, 0) + elif isinstance(prev_node_c, list): + prev_node_c = [ + get_normalized_nth_input(arg, gm_b, 0) + for arg in prev_node_c + ] + dtype_cast_node = _insert_dtype_cast_after_node( + subgraph_a.start_node, + node_c, + prev_node_c, + gm_a, + gm_b, + graph_c, + node_b.name + "_dtype_cast_", + logger_cls, + node_type_to_io_type_map, + ) + # note: not inserting to env_c because all nodes which use the dtype + # casts are copied from graph_a + # + # subgraph so far: + # + # (dtype_cast_node)+ + # / + # (prev_node_c)+ -> (logger_c_input)? -> node_start_c + + # if input logging is enabled, log the input to the subgraph + if should_log_inputs: + # TODO: explain this + ref_node_name = "" + if isinstance(dtype_cast_node, Node): + dtype_cast_node = _insert_logger_after_node( + dtype_cast_node, + gm_b, + logger_cls, + "_ns_logger_a_inp_", + ref_node_name, + name_a, + ref_name, + ref_node_type_a, + NSSingleResultValuesType.NODE_INPUT.value, + index_within_arg=0, + index_of_arg=0, + fqn=fqn_base_a, + ) + input_logger: Union[Node, list[Node]] = dtype_cast_node + else: + assert isinstance(dtype_cast_node, list) + new_loggers = [] + for dtype_cast_idx, dtype_cast_node_inner in enumerate( + dtype_cast_node + ): + dtype_cast_logger = _insert_logger_after_node( + dtype_cast_node_inner, + gm_b, + logger_cls, + "_ns_logger_a_inp_", + ref_node_name, + name_a, + ref_name, + ref_node_type_a, + NSSingleResultValuesType.NODE_INPUT.value, + index_within_arg=dtype_cast_idx, + index_of_arg=0, + fqn=fqn_base_a, + ) + new_loggers.append(dtype_cast_logger) + dtype_cast_node = new_loggers + input_logger = dtype_cast_node + # subgraph so far: + # + # (dtype_cast_node)+ -> (logger_a_input)? + # / + # prev_node_c -> (logger_c_input)? -> node_start_c + + # hook up the new mod_a copy to be in the graph, receiving the + # same inputs as mod_b does, with dtype cast to match a + # Some ops, such as LSTMs, have two non-param inputs. If we have + # such an op, pass the second param as well. Note: dtype casting + # for the second param is not implemented yet, it can be added + # later if there is a use case. + node_c_second_non_param_arg = None + num_non_param_args_node_a = get_number_of_non_param_args( + subgraph_a.start_node, gm_a + ) + if num_non_param_args_node_a == 2: + # node_c_second_non_param_arg = node_c.args[1] + node_c_second_non_param_arg = get_normalized_nth_input( + node_c, gm_b, 1 + ) + node_a_shadows_c = _insert_copy_of_subgraph_a_after_input_node_c( + dtype_cast_node, + node_c_second_non_param_arg, + subgraph_a, + gm_a, + gm_b, + node_c.name + "_shadow_copy_", + ) + env_c[node_a_shadows_c.name] = node_a_shadows_c + # subgraph so far: + # + # dtype_cast_node -> (logger_a_input)? -> subgraph_a_copy(args/kwargs not shown) + # / + # (prev_node_c)+ -> (logger_c_input)? -> node_start_c + + if should_log_inputs: + # When we created the input logger, we left the ref_node_name + # as an empty string, because the subgraph copy did not exist + # yet. Now that the subgraph copy exists, we modify this name + # to its true value. + # Note: the alternative to this is to create the input logger + # after creating the subgraph, which is slightly more + # complicated. This is the lesser of two evils. + # input_logger = env_c[dtype_cast_node.name] + # Find the first node in the subgraph + cur_node = node_a_shadows_c + while get_normalized_nth_input(cur_node, gm_b, 0) != input_logger: # type: ignore[possibly-undefined] + cur_node = get_normalized_nth_input(cur_node, gm_b, 0) # type: ignore[assignment] + if isinstance(input_logger, Node): + input_logger_mod = getattr(gm_b, input_logger.name) + input_logger_mod.ref_node_name = cur_node.name + else: + assert isinstance(input_logger, list) + for input_logger_inner in input_logger: + input_logger_mod = getattr(gm_b, input_logger_inner.name) + input_logger_mod.ref_node_name = cur_node.name + + # hook up a logger to the mod_a copy + env_c[node_a_shadows_c.name] = _insert_logger_after_node( + env_c[node_a_shadows_c.name], + gm_b, + logger_cls, + "_ns_logger_a_", + node_a_shadows_c.name, + name_a, + ref_name, + ref_node_type_a, + NSSingleResultValuesType.NODE_OUTPUT.value, + index_within_arg=0, + index_of_arg=0, + fqn=fqn_base_a, + ) + # subgraph so far: + # + # dtype_cast_node -> (logger_a_input)? -> subgraph_a_copy -> logger_a + # / + # (prev_node_c)+ -> (logger_c_input)? -> node_start_c + + if node_b_is_end_node: + # hook up a logger to the mod_b copy + env_c[node_b.name] = _insert_logger_after_node( + env_c[node_b.name], + gm_b, + logger_cls, + "_ns_logger_b_", + node_b.name, + name_b, + ref_name, + ref_node_type_b, + NSSingleResultValuesType.NODE_OUTPUT.value, + index_within_arg=0, + index_of_arg=0, + fqn=fqn_base_b, + ) + # subgraph so far: + # + # dtype_cast_node -> (logger_a_input)? -> subgraph_a_copy -> logger_a + # / + # (prev_node_c+) -> (logger_c_input)? -> node_start_c -> ... -> node_end_c -> logger_c + # + # Note: node_start_c may be the same node as node_end_c, or they + # may have nodes inbetween. + + else: + env_c[node_b.name] = graph_c.node_copy(node_b, load_arg) + + gm_c = GraphModule(gm_b, graph_c) + return gm_c diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/mappings.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/mappings.py new file mode 100644 index 0000000000000000000000000000000000000000..a8ca955d22fa69608e1e3e99f11f9bbfdf6f2280 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/mappings.py @@ -0,0 +1,757 @@ +import operator +from typing import Callable, Optional + +import torch +import torch.ao.nn.intrinsic as nni +import torch.ao.nn.intrinsic.qat as nniqat +import torch.ao.nn.intrinsic.quantized as nniq +import torch.ao.nn.intrinsic.quantized.dynamic as nniqd +import torch.ao.nn.qat as nnqat +import torch.ao.nn.qat.dynamic as nnqatd +import torch.ao.nn.quantized as nnq +import torch.ao.nn.quantized.dynamic as nnqd +import torch.ao.quantization.fx._lower_to_native_backend as _lower_to_native_backend +import torch.ao.quantization.quantization_mappings as quantization_mappings +import torch.nn as nn +import torch.nn.functional as F +from torch.ao.quantization.backend_config import get_native_backend_config + +from .ns_types import NSNodeTargetType + + +toq = torch.ops.quantized + + +def get_base_name_to_sets_of_related_ops() -> dict[str, set[NSNodeTargetType]]: + # note: this set is modified below by items from backend_config + sets_of_related_ops: list[set[NSNodeTargetType]] = [ + # conv modules + { + nn.Conv1d, + }, + { + nn.Conv2d, + }, + { + nn.Conv3d, + }, + # conv functionals + { + F.conv1d, + }, + { + F.conv2d, + }, + { + F.conv3d, + }, + # linear modules + { + nn.Linear, + }, + # linear functionals + { + F.linear, + }, + # average pool + { + nn.AvgPool1d, + torch.avg_pool1d, + }, + { + nn.AvgPool2d, + torch._C._nn.avg_pool2d, + }, + { + nn.AvgPool3d, + torch._C._nn.avg_pool3d, + }, + # adaptive average pool + { + nn.AdaptiveAvgPool1d, + F.adaptive_avg_pool1d, + }, + { + nn.AdaptiveAvgPool2d, + F.adaptive_avg_pool2d, + }, + { + nn.AdaptiveAvgPool3d, + F.adaptive_avg_pool3d, + }, + # LSTM + { + nn.LSTM, + }, + # add + { + torch.add, + operator.add, # x + y + }, + # cat + { + torch.cat, + }, + # mul + { + torch.mul, + operator.mul, + }, + # relu + { + F.relu, + nn.ReLU, + "relu", + "relu_", + torch.relu, + }, + # maxpool + { + nn.MaxPool1d, + F.max_pool1d, + }, + { + nn.MaxPool2d, + F.max_pool2d, + }, + { + nn.MaxPool3d, + F.max_pool3d, + }, + # sigmoid + { + torch.sigmoid, + "sigmoid", + "sigmoid_", + nn.Sigmoid, + F.sigmoid, + }, + # BatchNorm + { + nn.BatchNorm2d, + }, + { + nn.BatchNorm3d, + }, + # ConvTranspose + { + nn.ConvTranspose1d, + }, + { + nn.ConvTranspose2d, + }, + { + nn.ConvTranspose3d, + }, + # functional transposed conv + { + F.conv_transpose1d, + }, + { + F.conv_transpose2d, + }, + { + F.conv_transpose3d, + }, + # ELU + { + nn.ELU, + }, + # Embedding + { + nn.Embedding, + }, + # EmbeddingBag + { + nn.EmbeddingBag, + }, + # GroupNorm + { + nn.GroupNorm, + }, + # Hardswish + { + nn.Hardswish, + }, + # InstanceNorm + { + nn.InstanceNorm1d, + }, + { + nn.InstanceNorm2d, + }, + { + nn.InstanceNorm3d, + }, + # LayerNorm + { + nn.LayerNorm, + }, + # LeakyReLU + { + nn.LeakyReLU, + }, + # ReLU6 + { + nn.ReLU6, + F.relu6, + }, + # F.elu + { + F.elu, + }, + # F.hardswish + { + F.hardswish, + }, + # F.group_norm + { + F.group_norm, + }, + # F.instance_norm + { + F.instance_norm, + }, + # F.layer_norm + { + F.layer_norm, + }, + # F.leaky_relu + { + F.leaky_relu, + }, + # F.silu + { + nn.SiLU, + F.silu, + }, + # F.mish + { + nn.Mish, + F.mish, + }, + # F.tanh + { + nn.Tanh, + F.tanh, + torch.tanh, + "tanh_", + "tanh", + }, + # F.hardsigmoid + { + "hardsigmoid_", + "hardsigmoid", + F.hardsigmoid, + nn.Hardsigmoid, + }, + # F.hardtanh + { + nn.Hardtanh, + F.hardtanh, + F.hardtanh_, + }, + # floordiv + { + operator.floordiv, + }, + # unsqueeze + { + torch.unsqueeze, + }, + # stack + { + torch.stack, + }, + # squeeze + { + torch.squeeze, + }, + # sort + { + torch.sort, + }, + # repeat_interleave + { + torch.repeat_interleave, + }, + # min + { + torch.min, + }, + # mean + { + torch.mean, + }, + # max + { + torch.max, + }, + # transpose + { + torch.transpose, + }, + # flatten + { + torch.flatten, + }, + # clamp + { + torch.clamp, + }, + # chunk + { + torch.chunk, + }, + # interpolate + { + torch.nn.functional.interpolate, + }, + # dropout + { + nn.Dropout, + }, + # F.dropout + { + F.dropout, + }, + # matmul + { + torch.matmul, + }, + # Softmax + { + nn.Softmax, + }, + # PReLU + { + nn.PReLU, + nnq.PReLU, + }, + # F.prelu + { + F.prelu, + toq.prelu, + }, + # pixel shuffle + { + nn.PixelShuffle, + }, + { + F.pixel_shuffle, + }, + # pixel unshuffle + { + nn.PixelUnshuffle, + }, + { + F.pixel_unshuffle, + }, + # narrow + { + torch.narrow, + }, + ] + + # for each floating point op, add versions of the op added by + # backend_config + backend_config = get_native_backend_config() + + new_connections: list[tuple[Callable, Callable]] = [ + # technical debt edge case + (nn.Linear, nn.modules.linear.NonDynamicallyQuantizableLinear), + ] + + for pattern, config in backend_config._pattern_complex_format_to_config.items(): + # pattern format: (c, (b, a)) + first_element = pattern + # look from the end, because pattern is in reverse order + while isinstance(first_element, (list, tuple)): + first_element = first_element[-1] + + if config.fused_module is not None: + # case 1: pattern fuses a pattern of ops into an op + # example: nn.Conv1d, nn.ReLU fused into nni.ConvReLU1d + new_connections.append((first_element, config.fused_module)) + + if config.qat_module is not None: + # case 2: pattern swaps a module into a QAT module + # example: nni.ConvReLU1d swapped into nniqat.ConvReLU1d + new_connections.append((first_element, config.qat_module)) + + if config.reference_quantized_module is not None: + # case 3: reference version of floating point module, such as + # nn.Conv2d and nnqr.Conv2d + new_connections.append((first_element, config.reference_quantized_module)) + + # + # Add reference module swaps from default lowering path + # + + for source_to_target in ( + _lower_to_native_backend.STATIC_LOWER_MODULE_MAP, + _lower_to_native_backend.DYNAMIC_LOWER_MODULE_MAP, + _lower_to_native_backend.WEIGHT_ONLY_LOWER_MODULE_MAP, + _lower_to_native_backend.SPECIAL_PATTERN_LOWER_MODULE_MAP, + ): + for source, target in source_to_target.items(): # type: ignore[attr-defined] + new_connections.append((source, target)) + + for source_to_double_target in ( + _lower_to_native_backend.STATIC_LOWER_FUSED_MODULE_MAP, + _lower_to_native_backend.STATIC_LOWER_FUSED_MODULE_TWO_INPUTS_MAP, + _lower_to_native_backend.DYNAMIC_LOWER_FUSED_MODULE_MAP, + ): + for source, (target1, target2) in source_to_double_target.items(): # type: ignore[attr-defined] + new_connections.append((source, target1)) + new_connections.append((source, target2)) + + # + # Add function swaps from default lowering path + # + + for source, ( # type:ignore[assignment] + target1, + target2, + ) in _lower_to_native_backend.STATIC_LOWER_FUNCTIONAL_MAP.items(): + new_connections.append((source, target1)) + new_connections.append((source, target2)) + + for source_to_target in ( + _lower_to_native_backend.QBIN_OP_MAPPING, + _lower_to_native_backend.QBIN_RELU_OP_MAPPING, + quantization_mappings.DEFAULT_FLOAT_TO_QUANTIZED_OPERATOR_MAPPINGS, + ): + for source, target in source_to_target.items(): # type:ignore[assignment] + new_connections.append((source, target)) + + # + # Add other swaps, ideally in the future this could be removed + # after the lowering code stops using these. + # + for source_to_target in ( + quantization_mappings.DEFAULT_DYNAMIC_QUANT_MODULE_MAPPINGS, + ): + for source, target in source_to_target.items(): # type:ignore[assignment] + new_connections.append((source, target)) + + # add the new connections from backend_config + for item1, item2 in new_connections: + for set_of_related_ops in sets_of_related_ops: + if item1 in set_of_related_ops or item2 in set_of_related_ops: + set_of_related_ops.add(item1) + set_of_related_ops.add(item2) + break + + base_name_to_sets_of_related_ops: dict[str, set[NSNodeTargetType]] = {} + + for counter, set_of_related_ops in enumerate(sets_of_related_ops): + base_name = str(counter) + base_name_to_sets_of_related_ops[base_name] = set_of_related_ops + + return base_name_to_sets_of_related_ops + + +def get_base_name_for_op( + base_name_to_sets_of_related_ops: dict[str, set[NSNodeTargetType]], + op: NSNodeTargetType, +) -> Optional[str]: + for base_name, set_of_related_ops in base_name_to_sets_of_related_ops.items(): + if op in set_of_related_ops: + return base_name + return None + + +def add_op_to_sets_of_related_ops( + base_name_to_sets_of_related_ops: dict[str, set[NSNodeTargetType]], + op: NSNodeTargetType, + related_op: Optional[NSNodeTargetType], +) -> None: + if related_op is not None: + for set_of_related_ops in base_name_to_sets_of_related_ops.values(): + if related_op in set_of_related_ops: + set_of_related_ops.add(op) + return + # if we got here, related_op was not found + raise AssertionError(f"{related_op} was not found") + else: + counter = 0 + while str(counter) in base_name_to_sets_of_related_ops: + counter += 1 + base_name_to_sets_of_related_ops[str(counter)] = {op} + + +# TODO(future PR): clean this up +def get_node_type_to_io_type_map() -> dict[str, set[NSNodeTargetType]]: + FUNS_IO_TYPE_FP32: set[NSNodeTargetType] = { + F.linear, + F.conv1d, + F.conv2d, + F.conv3d, + torch.cat, + F.elu, + F.hardswish, + F.instance_norm, + F.layer_norm, + F.leaky_relu, + F.dropout, + F.silu, + F.mish, + operator.add, + torch.add, + operator.mul, + torch.mul, + torch.sum, + F.prelu, + } + + FUNS_IO_TYPE_FP16: set[NSNodeTargetType] = set() + + FUNS_IO_TYPE_INT8: set[NSNodeTargetType] = { + toq.linear, + toq.linear_relu, + toq.conv1d, + toq.conv1d_relu, + toq.conv2d, + toq.conv2d_relu, + toq.conv3d, + toq.conv3d_relu, + toq.cat, + toq.elu, + toq.hardswish, + toq.instance_norm, + toq.layer_norm, + toq.leaky_relu, + toq.dropout, + toq.prelu, + # TODO(future PR): implement shadowing for binary ops and + # uncomment below + # toq.add, + # toq.mul, + } + + FUNS_IO_TYPE_FP32_OR_INT8: set[NSNodeTargetType] = { + F.relu, + F.tanh, + torch.tanh, + F.sigmoid, + torch.sigmoid, + F.hardsigmoid, + operator.floordiv, + torch.adaptive_avg_pool1d, + F.adaptive_avg_pool2d, + F.adaptive_avg_pool3d, + F.dropout, + F.hardtanh, + F.hardtanh_, + F.interpolate, + F.max_pool1d, + F.max_pool2d, + F.max_pool3d, + F.relu6, + F.pixel_shuffle, + F.pixel_unshuffle, + torch.avg_pool1d, + torch._C._nn.avg_pool2d, + torch._C._nn.avg_pool3d, + torch.cat, + torch.chunk, + torch.clamp, + torch.flatten, + torch.transpose, + torch.max, + torch.mean, + torch.min, + torch.narrow, + torch.repeat_interleave, + torch.sort, + torch.squeeze, + torch.stack, + torch.unsqueeze, + operator.add, + } + + MODS_IO_TYPE_FP32: set[NSNodeTargetType] = { + nn.Linear, + nnqat.Linear, + nnqatd.Linear, + nnqd.Linear, + torch.nn.modules.linear.NonDynamicallyQuantizableLinear, + nn.Conv1d, + nn.Conv2d, + nn.Conv3d, + nnqat.Conv1d, + nnqat.Conv2d, + nnqat.Conv3d, + nnqat.Embedding, + nnqat.EmbeddingBag, + nn.LSTM, + # note: nnqd.Linear is an instance of nnq.Linear, so this + # check has to happen before the int8 module check + nnqd.LSTM, + nn.BatchNorm2d, + nn.BatchNorm3d, + nn.Dropout, + nn.ConvTranspose1d, + nn.ConvTranspose2d, + nn.ConvTranspose3d, + nn.ELU, + nn.GroupNorm, + nn.InstanceNorm1d, + nn.InstanceNorm2d, + nn.InstanceNorm3d, + nn.LayerNorm, + nn.Hardswish, + nn.LeakyReLU, + nn.ReLU6, + nn.SiLU, + nn.Mish, + nn.Softmax, + nn.PReLU, + nni.BNReLU2d, + nni.BNReLU3d, + nni.ConvReLU1d, + nni.ConvReLU2d, + nni.ConvReLU3d, + nni.LinearReLU, + nni.LinearBn1d, + nni.ConvBn1d, + nni.ConvBn2d, + nni.ConvBn3d, + nniqat.ConvBn1d, + nniqat.ConvBn2d, + nniqat.ConvBn3d, + nniqat.ConvBnReLU1d, + nniqat.ConvBnReLU2d, + nniqat.ConvBnReLU3d, + nniqat.ConvReLU1d, + nniqat.ConvReLU2d, + nniqat.ConvReLU3d, + nniqat.LinearReLU, + nniqat.LinearBn1d, + nniqd.LinearReLU, + nni.LinearLeakyReLU, + nni.LinearTanh, + nni.ConvAdd2d, + nni.ConvAddReLU2d, + } + + MODS_IO_TYPE_INT8: set[NSNodeTargetType] = { + nnq.Linear, + nnq.Conv1d, + nnq.Conv2d, + nnq.Conv3d, + nnq.BatchNorm2d, + nnq.BatchNorm3d, + nnq.Dropout, + nnq.ConvTranspose1d, + nnq.ConvTranspose2d, + nnq.ELU, + nnq.InstanceNorm1d, + nnq.InstanceNorm2d, + nnq.InstanceNorm3d, + nnq.LayerNorm, + nnq.Hardswish, + nnq.LeakyReLU, + nnq.Embedding, + nnq.EmbeddingBag, + nnq.Dropout, + nnq.Softmax, + nnq.PReLU, + nniq.BNReLU2d, + nniq.BNReLU3d, + nniq.ConvReLU1d, + nniq.ConvReLU2d, + nniq.ConvReLU3d, + nniq.LinearReLU, + nniq.LinearLeakyReLU, + nniq.LinearTanh, + nniq.ConvAdd2d, + nniq.ConvAddReLU2d, + } + + MODS_IO_TYPE_FP32_OR_INT8: set[NSNodeTargetType] = { + nn.ReLU, + nn.Tanh, + nn.Sigmoid, + nn.Hardsigmoid, + nn.AdaptiveAvgPool1d, + nn.AdaptiveAvgPool2d, + nn.AdaptiveAvgPool3d, + nn.AvgPool1d, + nn.AvgPool2d, + nn.AvgPool3d, + nn.Dropout, + nn.Hardtanh, + nn.Identity, + nn.MaxPool1d, + nn.MaxPool2d, + nn.MaxPool3d, + nn.PixelShuffle, + nn.PixelUnshuffle, + nn.ReLU6, + } + + METHS_IO_TYPE_FP32_OR_INT8: set[NSNodeTargetType] = { + "sigmoid_", + "sigmoid", + "tanh_", + "tanh", + "hardsigmoid_", + "hardsigmoid", + "relu_", + "relu", + } + + return { + "funs_io_type_fp32": FUNS_IO_TYPE_FP32, + "funs_io_type_fp16": FUNS_IO_TYPE_FP16, + "funs_io_type_int8": FUNS_IO_TYPE_INT8, + "funs_io_type_fp32_or_int8": FUNS_IO_TYPE_FP32_OR_INT8, + "mods_io_type_fp32": MODS_IO_TYPE_FP32, + "mods_io_type_int8": MODS_IO_TYPE_INT8, + "mods_io_type_fp32_or_int8": MODS_IO_TYPE_FP32_OR_INT8, + "meths_io_type_fp32_or_int8": METHS_IO_TYPE_FP32_OR_INT8, + } + + +def get_unmatchable_types_map() -> dict[str, set[NSNodeTargetType]]: + FUNS_UNMATCHABLE: set[NSNodeTargetType] = { + torch.quantize_per_tensor, + operator.getitem, + } + + MODS_UNMATCHABLE: set[NSNodeTargetType] = { + nn.Identity, + } + + METHS_UNMATCHABLE: set[NSNodeTargetType] = { + "to", + "dequantize", + "reshape", + "view", + "unsqueeze_", + "unsqueeze", + "transpose", + "squeeze_", + "squeeze", + "size", + "shape", + "resize_", + "repeat_interleave", + "repeat", + "permute", + "numel", + "mean", + "detach_", + "detach", + "contiguous", + "clamp", + "chunk", + } + + return { + "funs_unmatchable": FUNS_UNMATCHABLE, + "mods_unmatchable": MODS_UNMATCHABLE, + "meths_unmatchable": METHS_UNMATCHABLE, + } diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/n_shadows_utils.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/n_shadows_utils.py new file mode 100644 index 0000000000000000000000000000000000000000..dde95fefcc3ea2effc654c664a9205dde883fc25 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/n_shadows_utils.py @@ -0,0 +1,1377 @@ +# mypy: allow-untyped-defs +import collections +import copy +import operator +from typing import Any, Callable, Optional + +import torch +import torch.fx +from torch.ao.ns.fx.graph_passes import _maybe_get_fqn +from torch.ao.ns.fx.ns_types import NSResultsType, NSSingleResultValuesType +from torch.ao.ns.fx.utils import ( # TODO(future PR): make this work correctly for methods + get_normalized_nth_input, + get_target_type_str, +) +from torch.ao.quantization import QConfigMapping +from torch.ao.quantization.fx.match_utils import _MatchResult +from torch.ao.quantization.qconfig import QConfigAny +from torch.ao.quantization.utils import getattr_from_fqn +from torch.fx import Graph, GraphModule, Node +from torch.utils._pytree import tree_map + + +SHADOW_NODE_NAME_PREFIX = "shadow" +SHADOW_WRAPPER_NODE_NAME_PREFIX = "shadow_wrapper" + +# TODO(future PR): reuse existing mapping instead of creating a new one +BINARY_FUNCTIONS = { + torch.add, + torch.Tensor.add, + operator.add, + torch.mul, + torch.Tensor.mul, + operator.mul, +} + + +def _get_attr_name(subgraph_idx, subgraph_candidate_idx): + return f"{SHADOW_NODE_NAME_PREFIX}_{subgraph_idx}_{subgraph_candidate_idx}" + + +def _get_attr_wrapper_name(subgraph_idx, subgraph_candidate_idx): + return f"{SHADOW_WRAPPER_NODE_NAME_PREFIX}_{subgraph_idx}_{subgraph_candidate_idx}" + + +class OutputProp: + """ + Output propagation (modeled from shape propagation). + + Given a GraphModule and an example input, saves the output flowing + through each node on `node.traced_result`. + + Code based on the example from + https://pytorch.org/docs/stable/fx.html#the-interpreter-pattern + """ + + def __init__(self, mod): + self.mod = mod + self.graph = mod.graph + self.modules = dict(self.mod.named_modules()) + + def propagate(self, *args): + args_iter = iter(args) + env: dict[str, Node] = {} + + def load_arg(a): + return torch.fx.graph.map_arg(a, lambda n: env[n.name]) + + def fetch_attr(target: str): + target_atoms = target.split(".") + attr_itr = self.mod + for i, atom in enumerate(target_atoms): + if not hasattr(attr_itr, atom): + raise RuntimeError( + f"Node referenced nonexistent target {'.'.join(target_atoms[:i])}" + ) + attr_itr = getattr(attr_itr, atom) + return attr_itr + + for node in self.graph.nodes: + if node.op == "placeholder": + result = next(args_iter) + elif node.op == "get_attr": + result = fetch_attr(node.target) + elif node.op == "call_function": + result = node.target(*load_arg(node.args), **load_arg(node.kwargs)) + elif node.op == "call_method": + self_obj, *args = load_arg(node.args) + kwargs = load_arg(node.kwargs) + result = getattr(self_obj, node.target)(*args, **kwargs) + elif node.op == "call_module": + result = self.modules[node.target]( + *load_arg(node.args), **load_arg(node.kwargs) + ) + + if isinstance(result, torch.Tensor): # type: ignore[possibly-undefined] + node.traced_result = result + + env[node.name] = result + + return None + + +def _get_dedup_subgraphs(matches: dict[str, _MatchResult]) -> dict[str, list[Node]]: + # the original matches variable is unique by node, make it unique by subgraph + # instead + seen_nodes = set() + subgraphs_dedup = {} + + # Dict items are not reversible until Python 3.8, so we hack it + # to be compatible with previous Python versions + # TODO(future PR): try reversed(list(matches.items())) + matches_items_reversed: list[tuple[str, _MatchResult]] = [] + for name, cur_match in matches.items(): + matches_items_reversed.insert(0, (name, cur_match)) + + # Note: the order is important. `matches` currently provides the matches + # in reverse order. We would like to process the matches in non-reverse + # order, so that we can create an intuitive naming scheme, such as + # naming the first op's submodules `shadow_0_0` through `shadow_0_(n-1)` + for name, cur_match in matches_items_reversed: # type: ignore[call-overload] + was_seen = False + for node_or_tuple in cur_match[1]: + # Cur_match[1] has an unusual type. It says that it's a `List[Node]`, + # but it is really not. Furthermore, the contents of this field + # can change from match results of multiple nodes of the same pattern + # + # For example, for conv -> bn -> relu, we see + # match_results = { + # 'conv': (relu, [(bn, conv), relu], ...), + # 'bn': (relu, [(bn, conv), relu], ...), + # 'relu': (relu, [(bn, conv), relu], ...), + # } + # + # Ideally we should clean up the `find_matches` function to make + # this more intuitive. For the purposes of this prototype, we hack + # around it. + + if isinstance(node_or_tuple, Node): + if node_or_tuple in seen_nodes: + was_seen = True + seen_nodes.add(node_or_tuple) + + else: + assert isinstance(node_or_tuple, tuple) + for node in node_or_tuple: + assert isinstance(node, Node) + if node in seen_nodes: + was_seen = True + seen_nodes.add(node) + + if was_seen: + continue + + # Start with the unusual type, convert it to [op_0, ..., op_n] + list_of_nodes = [] + + if len(cur_match[1]) == 1: + list_of_nodes = cur_match[1] + else: + assert len(cur_match[1]) == 2 + # either (a, b), or ((a, b), c) or (c, (a, b)) + # cannot make any assumptions on order, not clear what the + # _find_matches function is doing to populate this + # TODO(future PR): make this code less confusing, see discussion + # in https://github.com/pytorch/pytorch/pull/80521/files#r975918836 + + def _order_nodes(node_a, node_b, node_c) -> list[Node]: + nodes = [node_a, node_b, node_c] + first_node = None + mid_node = None + last_node = None + for n in nodes: + prev_n = n.args[0] + next_n = next(iter(n.users)) + if prev_n not in nodes: + first_node = n + elif next_n not in nodes: + last_node = n + else: + mid_node = n + assert ( + first_node is not None + and mid_node is not None + and last_node is not None + ) + assert mid_node.args[0] is first_node + assert last_node.args[0] is mid_node + return [last_node, mid_node, first_node] + + if isinstance(cur_match[1][0], Node) and isinstance(cur_match[1][1], Node): + # (a, b) + list_of_nodes = cur_match[1] + elif isinstance(cur_match[1][0], tuple): + # ((a, b), c) + node_a, node_b = cur_match[1][0] + node_c = cur_match[1][1] + list_of_nodes = _order_nodes(node_a, node_b, node_c) + elif isinstance(cur_match[1][1], tuple): + # (a, (b, c)) + node_a, node_b = cur_match[1][1] + node_c = cur_match[1][0] + list_of_nodes = _order_nodes(node_a, node_b, node_c) + + # [node_n, ..., node_0], note that the order is reversed + # to make it chronological for simple subgraphs + list_of_nodes.reverse() + subgraphs_dedup[name] = list_of_nodes + + return subgraphs_dedup + + +def _get_logger_for_subgraph( + model: GraphModule, + first_node: Node, + last_node: Node, + subgraph_idx: int, + subgraph_candidate_idx: int, + qconfig_str: str, + logger_cls: Callable, + fqn: Optional[str], +) -> torch.nn.Module: + """ + Given a model and a linear subgraph starting from `first_node` and + ending with `last_node`, creates a logger for the end of this + subgraph. + """ + if fqn is None: + fqn = "" + logger_mod_orig = logger_cls( + first_node.name, # ref_node_name + last_node.name, # prev_node_name + f"subgraph_{subgraph_idx}_{subgraph_candidate_idx}", # model_name + "model", # ref_name + get_target_type_str(last_node, model), # prev_node_target_type + get_target_type_str(first_node, model), # ref_node_target_type + NSSingleResultValuesType.NODE_OUTPUT.value, # results_type + 0, # index_within_arg + 0, # index_of_arg + fqn, # fqn + qconfig_str, + ) + # Usually we expect the user to add loggers, then calibrate, then convert, + # and then populate loggers. This is why the loggers start disabled. + # TODO(future PR): reconsider the design to make this more intuitive. + logger_mod_orig.enabled = False + return logger_mod_orig + + +def create_submodule_from_subgraph( + model: torch.nn.Module, + first_node: Node, + last_node: Node, +) -> GraphModule: + """ + Input: a model, and a linear subgraph within the model from first_node to + last_node. + + Output: a new submodule containing a copy of the subgraph, with the inputs + to the first node becoming the inputs to the submodule, and all other + nodes in the subgraph being copied. + + Example inputs: + + `model`: a module with graph + + x0 -> op1 -> x1 -> op2 -> x2 + | + arg1 + + `first_node`: op1 + `last_node`: op2 + + Example output: a new module with graph + + input1 -> op1_copy -> x1 -> op2_copy -> output1 + | + arg1 + """ + + # + # create a blank GraphModule with an empty graph + # + + class M(torch.nn.Module): + def forward(self, x): + pass + + m = M() + gm = torch.fx.symbolic_trace(m) + g = gm.graph + for node in reversed(gm.graph.nodes): + g.erase_node(node) + + # + # modify the graph to have a copy of our subgraph + # + + cur_node_orig = first_node + + cur_name_idx = 0 + + iteration_limit = 100 + cur_iteration = 0 + + while True: + if cur_node_orig is first_node: + # we are at the first node, we need to set up graph inputs + # TODO(future): some graphs could have placeholders which are unrelated + # to the first node, need to handle this + cur_args_copy = [] + cur_kwargs_copy = {} + seen_names: set[str] = set() + old_name_to_new_node: dict[str, Node] = {} + + def _add_placeholder( + g: Graph, node: Node, seen_names, old_name_to_new_node + ): + # note: for graphs starting with patterns such as `y = x + x`, we + # need to ensure we do not add multiple placeholders with the + # same name + counter = 0 + while node.name + "_" + str(counter) in seen_names: + counter += 1 + cur_name = node.name + "_" + str(counter) + seen_names.add(cur_name) + placeholder = g.placeholder(cur_name) + old_name_to_new_node[node.name] = placeholder + return placeholder + + for arg in cur_node_orig.args: + if isinstance(arg, Node): + p = _add_placeholder(g, arg, seen_names, old_name_to_new_node) + cur_args_copy.append(p) + elif isinstance(arg, (list, tuple)): + new_arg = [] + for inner_arg in arg: + if isinstance(inner_arg, Node): + new_arg.append( + _add_placeholder( + g, inner_arg, seen_names, old_name_to_new_node + ) + ) + else: + new_arg.append(inner_arg) + cur_args_copy.append(new_arg) + else: + cur_args_copy.append(arg) + + # TODO(future PR): handle non-normalized kwargs + for kwarg_name, kwarg in cur_node_orig.kwargs.items(): + if isinstance(kwarg, Node): + cur_kwargs_copy[kwarg_name] = _add_placeholder( + g, kwarg, seen_names, old_name_to_new_node + ) + elif isinstance(kwarg, (list, tuple)): + new_kwarg = [] + for inner_kwarg in kwarg: + p = _add_placeholder( + g, inner_kwarg, seen_names, old_name_to_new_node # type: ignore[arg-type] + ) + new_kwarg.append(p) + cur_kwargs_copy[kwarg_name] = new_kwarg + else: + cur_kwargs_copy[kwarg_name] = kwarg + + cur_args_copy = tuple(cur_args_copy) # type: ignore[assignment] + else: + # we are not at first node, first arg is from the previous node, + # and all other args are copied + + # the current implementation is simplistic and cannot handle + # ops with two or more arguments which need to be passed from + # the previous op, so we assert them out + assert cur_node_orig.target not in BINARY_FUNCTIONS + + # at this point in the code, cur_node_copy is pointing to the copy + # of the previous node + # TODO(future PR): this is not handling complicated graphs correctly, need to + # look at actual relationships instead of assuming sequential graph + # TODO(future PR): this is ignoring kwargs, will need to support kwargs + # for any fusion pattern which has them for a node that is not the + # first node. + cur_args_copy = [cur_node_copy] # type: ignore[has-type, possibly-undefined] # noqa: F821 + + if len(cur_node_orig.args) > 1: + for arg in cur_node_orig.args[1:]: + if isinstance(arg, torch.nn.Parameter): + new_arg = arg.detach().clone() # type: ignore[assignment] + mod_name = f"mod_{cur_name_idx}" + cur_name_idx += 1 + setattr(gm, mod_name, new_arg) + new_arg_placeholder = gm.placeholder(mod_name) # type: ignore[operator] + cur_args_copy.append(new_arg_placeholder) + elif isinstance(arg, (float, int, torch.dtype)): + cur_args_copy.append(arg) + else: + raise AssertionError(f"arg of type {type(arg)} not handled yet") + cur_args_copy = tuple(cur_args_copy) # type: ignore[assignment] + + # copy the node + if cur_node_orig.op == "call_module": + orig_mod = getattr_from_fqn(model, cur_node_orig.target) # type: ignore[arg-type] + orig_mod_copy = copy.deepcopy(orig_mod) + mod_name = f"mod_{cur_name_idx}" + setattr(gm, mod_name, orig_mod_copy) + cur_name_idx += 1 + cur_node_copy = g.call_module(mod_name, cur_args_copy, cur_kwargs_copy) # type: ignore[possibly-undefined,arg-type] + + elif cur_node_orig.op == "call_function": + cur_node_copy = g.call_function( + cur_node_orig.target, # type: ignore[arg-type] + cur_args_copy, # type: ignore[arg-type] + cur_kwargs_copy, # type: ignore[possibly-undefined] + ) + + elif cur_node_orig.op == "call_method": + cur_node_copy = g.call_method( + cur_node_orig.target, # type: ignore[arg-type] + cur_args_copy, # type: ignore[arg-type] + cur_kwargs_copy, # type: ignore[possibly-undefined] + ) + + else: + raise AssertionError(f"{cur_node_orig.op} not supported yet") + + if cur_node_orig is last_node: + break + + # go to next node + assert ( + len(cur_node_orig.users.keys()) == 1 + ), f"{cur_node_orig} has more than 1 users, not supported yet" + cur_node_orig = next(iter(cur_node_orig.users.keys())) + cur_iteration += 1 + if cur_iteration > iteration_limit: + raise AssertionError("iteration limit exceeded") + + # set up outputs + g.output(cur_node_copy) + + gm.recompile() + return gm + + +def create_one_transformed_and_logged_copy_of_subgraph( + mt: GraphModule, + subgraph_idx: int, + subgraph_candidate_idx: int, + first_node: Node, + last_node: Node, + fqn: Optional[str], + list_of_node_name_to_qconfig: list[dict[str, QConfigAny]], + example_inputs: Any, + last_added_shadow_node_list: list[Optional[Node]], + custom_prepare_fn: Optional[Callable] = None, + custom_prepare_kwargs: Optional[dict[str, Any]] = None, +) -> None: + """ + Given a subgraph in `mt` and a subgraph candidate idx, inserts the + subgraph candidate copy and instruments it with loggers. + + If subgraph_candidate_idx is 0, this is the baseline fp32 subgraph and we just + add a logger to the end. + + If subgraph_candidate_idx is not 0, we create a copy of the subgraph and + prepare it with `prepare_fx`. + """ + + # TODO(future PR): move logger classes to utils to remove circular dependency + from torch.ao.ns._numeric_suite_fx import OutputComparisonLogger, OutputLogger + + if subgraph_candidate_idx == 0: + # idx = 0 is the floating point (original) version of the subgraph + # We keep the subgraph as is, and add a logger at the end + + qconfig_str = "" + logger_mod_orig = _get_logger_for_subgraph( + mt, + first_node, + last_node, + subgraph_idx, + subgraph_candidate_idx, + qconfig_str, + OutputLogger, + fqn, + ) + + attr_name = _get_attr_name(subgraph_idx, subgraph_candidate_idx) + assert not hasattr(mt, attr_name) + setattr(mt, attr_name, logger_mod_orig) + with mt.graph.inserting_after(last_node): + new_node = mt.graph.call_module(attr_name, args=(last_node,), kwargs={}) + last_added_shadow_node_list[0] = new_node + + else: + # idx > 0 means we have a candidate qconfig to try, so we need + # to make a copy of the subgraph, feed it with the right inputs, + # and add a logger at the end + + # get the qconfig + # subtract one because the first candidate is the floating point + # version of the subgraph + node_name_to_qconfig = list_of_node_name_to_qconfig[subgraph_candidate_idx - 1] + qconfig = node_name_to_qconfig[first_node.name] + + # if no quantization is requested, skip + # TODO(future PR): deduplicate equivalent qconfigs that come from + # different qconfig mapping objects + if qconfig is None: + return + + qconfig_mapping = QConfigMapping().set_global(qconfig) + + # create a copy of the submodule, wrapped in a separate module + orig_mod_copy_wrapped = create_submodule_from_subgraph( + mt, first_node, last_node + ) + + # add a call to prepare_fx on the wrapper module + if custom_prepare_fn is None: + orig_mod_copy_wrapped = torch.ao.quantization.quantize_fx.prepare_fx( + orig_mod_copy_wrapped, qconfig_mapping, example_inputs=example_inputs + ) + else: + if custom_prepare_kwargs is None: + custom_prepare_kwargs = {} + for kwarg_name in [ + "example_inputs", + "prepare_custom_config", + "qconfig_mapping", + ]: + assert ( + kwarg_name not in custom_prepare_kwargs + ), f"cannot specify {kwarg_name} in custom_prepare_kwargs" + prepare_kwargs: dict[str, Any] = { + "example_inputs": example_inputs, + "qconfig_mapping": qconfig_mapping, + } + prepare_kwargs.update(custom_prepare_kwargs) + orig_mod_copy_wrapped = custom_prepare_fn( + orig_mod_copy_wrapped, **prepare_kwargs + ) + + # attach the wrapper to the model + attr_name = _get_attr_wrapper_name(subgraph_idx, subgraph_candidate_idx) + assert not hasattr(mt, attr_name) + setattr(mt, attr_name, orig_mod_copy_wrapped) + + # add a call to the wrapper module from the parent graph + insert_after_node = last_added_shadow_node_list[0] + with mt.graph.inserting_after(insert_after_node): + # TODO(future PR): handle fusion patterns where non-first nodes + # need inputs + + # pass in all node args and kwargs + + new_args = [] + for arg in first_node.args: + if isinstance(arg, Node): + new_args.append(arg) + elif ( + isinstance(arg, (list, tuple)) + and len(arg) + and isinstance(arg[0], Node) + ): + new_args.extend( + inner_arg for inner_arg in arg if isinstance(inner_arg, Node) + ) + + new_kwargs = {} + for name, old_kwarg in first_node.kwargs.items(): + if isinstance(old_kwarg, Node): + new_kwargs[name] = old_kwarg + elif isinstance(old_kwarg, (list, tuple)) and len(old_kwarg): + # TODO(future PR): clarify why we are adding kwargs to args + new_args.extend(old_kwarg) # type: ignore[arg-type] + + new_args = tuple(new_args) # type: ignore[assignment] + + new_node = mt.graph.call_module(attr_name, args=new_args, kwargs=new_kwargs) # type: ignore[arg-type] + + # add a logger to parent graph to observe the shadow wrapper + logger_mod_orig = _get_logger_for_subgraph( + mt, + first_node, + last_node, + subgraph_idx, + subgraph_candidate_idx, + str(qconfig), + OutputComparisonLogger, + fqn, + ) + + attr_name = _get_attr_name(subgraph_idx, subgraph_candidate_idx) + assert not hasattr(mt, attr_name) + setattr(mt, attr_name, logger_mod_orig) + with mt.graph.inserting_after(new_node): + logger = mt.graph.call_module( + attr_name, args=(new_node, last_node), kwargs={} + ) + last_added_shadow_node_list[0] = logger + + mt.recompile() + + +def create_n_transformed_and_logged_copies_of_subgraph( + mt: GraphModule, + subgraph_idx: int, + match_name: str, + nodes_in_this_subgraph: list[Any], + qconfig_mappings: list[QConfigMapping], + list_of_node_name_to_qconfig: list[dict[str, QConfigAny]], + custom_prepare_fn: Optional[Callable] = None, + custom_prepare_kwargs: Optional[dict[str, Any]] = None, +) -> None: + """ + Given a model `mt` and a subgraph_idx, creates the needed copies + of the subgraph for all qconfigs, and instruments them with loggers. + """ + # for now, assume that + # 1. the first node has one input + # 2. the last node has one output + + # for now, ignore all subgraphs that contain non-nodes (tuples, etc) + # TODO(future PR): implement this + if any(not isinstance(node, Node) for node in nodes_in_this_subgraph): + return + + first_node = nodes_in_this_subgraph[0] + last_node = nodes_in_this_subgraph[-1] + # We used output propagation to populate example values on each + # node. Use the example values from the previous node as the input + # to the current node. + prev_node = get_normalized_nth_input(first_node, mt, 0) + if isinstance(prev_node, list): + example_inputs = [x.traced_result for x in prev_node] + elif isinstance(prev_node, tuple): + example_inputs = (x.traced_result for x in prev_node) # type: ignore[assignment] + else: + # currently some customer models do not have a traced_result in + # every node, so we have to guard for this case since we cannot + # quantize without an example input + # TODO(future PR): add a test case for this once we have an easy + # repro, see https://github.com/pytorch/pytorch/pull/80521/files#r975940489 + # for additional context + if hasattr(prev_node, "traced_result"): + example_inputs = (prev_node.traced_result,) # type: ignore[attr-defined, assignment] + else: + print( + "unable to get example input for node " + + f"{first_node.format_node()}, skipping" + ) + return + + # If there are no quantization configs for this subgraph, skip adding + # loggers. This reduces memory usage for models where not all layers are + # quantized. + # TODO(future): consider making this configurable + found_at_least_one_qconfig = False + for subgraph_candidate_idx in range(len(qconfig_mappings) + 1): + if subgraph_candidate_idx == 0: + # fp32 baseline does not need a qconfig + continue + + # a. we have N shadows, so len(qconfig_mappings) is N + # b. we will have the fp32 layer + N shadows, so overall number of + # (original_op) + (*shadows) will be N+1 + # c. since `subgraph_candidate_idx` represents (b), we need + # to subtract 1 to query from (a) + node_name_to_qconfig = list_of_node_name_to_qconfig[subgraph_candidate_idx - 1] + qconfig = node_name_to_qconfig[first_node.name] + if qconfig is not None: + found_at_least_one_qconfig = True + break + if not found_at_least_one_qconfig: + print( + "unable to find at least one qconfig for node " + + f"{first_node.format_node()}, skipping" + ) + return + + fqn = _maybe_get_fqn(first_node, mt) + + # We want the results to contain the subgraphs in natural order, + # and the graph to also contain shadow wrappers and shadow loggers + # in natural order. + # If we just iterate in reverse, the graph will be in natural + # order but the eventual results will be in reverse order. + # So, we keep track of the last shadow logger we added and + # always insert after it. + last_added_shadow_node_list: list[Optional[Node]] = [None] + for subgraph_candidate_idx in range(len(qconfig_mappings) + 1): + create_one_transformed_and_logged_copy_of_subgraph( + mt, + subgraph_idx, + subgraph_candidate_idx, + first_node, + last_node, + fqn, + list_of_node_name_to_qconfig, + example_inputs, + last_added_shadow_node_list, + custom_prepare_fn, + custom_prepare_kwargs, + ) + + +def create_add_loggers_graph( + model: GraphModule, + subgraphs_dedup: dict[str, list[Node]], + qconfig_mapping: QConfigMapping, + node_name_to_qconfig: dict[str, QConfigAny], +) -> None: + r""" + Given a model, a model graph partition (currently a set of matched + subgraphs) and instructions how to transform each subgraph + (currently quantizing it according to qconfig_mapping), modifies + the model graph to create an alternate path through the original graph, + with each of the subgraphs quantized. This is useful to compare + propagation error of a transformation such as quantization. + + For example, given layer op0 and op1, there are four cases when handling op1: + 1. op0 and op1 quantized + 2. op0 and op1 unquantized + 3. op0 quantized, op1 unquantized + 4. op0 unquantized, op1 quantized + + Example input, case 1: + + .. code:: + + x0_0 -> op0_0 -> x1_0 -> log -----> op1_0 -> x2_0 -> log + \ \ \ \ # noqa: W605 + ---> op0_1 -> x1_1 ----> clog op1_1 -> x2_1 ----> clog + + Example output, case 1: + + .. code:: + + x0_0 -> op0_0 -> x1_0 -> log -----> op1_0 -> x2_0 -> log + \ \ \ # noqa: W605 + ---> op0_1 -> x1_1 ----> clog -> op1_1 -> x2_1 ----> clog + + """ + # TODO(future PR): move logger classes to utils to remove circular dependency + from torch.ao.ns._numeric_suite_fx import OutputComparisonLogger, OutputLogger + + def _get_subgraph_containing_node(node, subgraphs_dedup): + for subgraph in subgraphs_dedup.values(): + if node in subgraph: + return subgraph + return None + + # First, we need to create shadow branches, going from + # + # x0 -> op0 -> x1 -> ... + # + # + # to + # + # x0 -> op0_0 -> x1_0 -> log -> ... + # \ \ + # -> op0_1 -> x1_1 -> clog + # + # Later, the outputs of each shadow will be rerouted to calculate + # propagation error. + + # Note: we cannot iterate over matched subgraphs because some nodes + # may not be matched. So, we iterate over nodes in the graph, and + # associate them to matched subgraphs if possible. + + nodes_to_skip = set() + # for each subgraph, save a mapping from first node of subgraph + # to first and last node of the shadow of this subgraph + orig_first_node_to_shadow_in_node = {} + orig_first_node_to_shadow_out_node = {} + # need to record original list because we will mutate the graph as we go + orig_nodes = list(model.graph.nodes) # type: ignore[union-attr, arg-type] + cur_subgraph_idx = 0 + for n in orig_nodes: + if n.op in ("placeholder", "get_attr", "output") or n in nodes_to_skip: + continue + + maybe_subgraph = _get_subgraph_containing_node(n, subgraphs_dedup) + insert_submodule_copy = False + if maybe_subgraph is not None: + first_node, last_node = maybe_subgraph[0], maybe_subgraph[-1] + nodes_to_skip.update(maybe_subgraph) + qconfig = node_name_to_qconfig[first_node.name] + if qconfig is not None: + insert_submodule_copy = True + else: + first_node, last_node = n, n + + if insert_submodule_copy: + match_name = first_node.name + create_n_transformed_and_logged_copies_of_subgraph( + model, + cur_subgraph_idx, + match_name, + maybe_subgraph, + [qconfig_mapping], + [node_name_to_qconfig], + None, + None, # type: ignore[arg-type] + ) + # find the created shadow module and record it so we + # can find it easily in step 2 + expected_shadow_target = f"shadow_wrapper_{cur_subgraph_idx}_1" + new_shadow_mod = None + for maybe_shadow_mod in model.graph.nodes: + if ( + maybe_shadow_mod.op == "call_module" + and maybe_shadow_mod.target == expected_shadow_target + ): + new_shadow_mod = maybe_shadow_mod + break + assert new_shadow_mod is not None + orig_first_node_to_shadow_in_node[first_node] = new_shadow_mod + orig_first_node_to_shadow_out_node[first_node] = new_shadow_mod + + else: + # create a copy of the subgraph by only copying FX nodes + # but not copying any parameters, to minimize memory usage + subgraph_to_use = ( + maybe_subgraph if maybe_subgraph is not None else [first_node] + ) + + # add a regular logger after last_node + qconfig_str = "" + subgraph_candidate_idx = 0 + fqn = _maybe_get_fqn(first_node, model) + logger_mod_orig = _get_logger_for_subgraph( + model, + first_node, + last_node, + cur_subgraph_idx, + subgraph_candidate_idx, + qconfig_str, + OutputLogger, + fqn, + ) + attr_name = _get_attr_name(cur_subgraph_idx, subgraph_candidate_idx) + assert not hasattr(model, attr_name) + setattr(model, attr_name, logger_mod_orig) + insertion_point = last_node + with model.graph.inserting_after(insertion_point): + logger = model.graph.call_module( + attr_name, args=(last_node,), kwargs={} + ) + insertion_point = logger + + # create a copy of the subgraph + cur_node_orig = first_node + cur_node_copy = None + first_node_copy = None + while cur_node_orig in subgraph_to_use: + # TODO(future PR): make this support all possible args/kwargs + if cur_node_orig is first_node: + new_args = cur_node_orig.args + new_kwargs = cur_node_orig.kwargs + else: + first_arg_for_copy = cur_node_copy + new_args = (first_arg_for_copy, *cur_node_orig.args[1:]) + new_kwargs = cur_node_orig.kwargs + # make a copy of cur_node_orig + with model.graph.inserting_after(insertion_point): + cur_node_copy = model.graph.create_node( + cur_node_orig.op, + cur_node_orig.target, + new_args, + new_kwargs, + # cur_node_orig.name, # TODO(future PR): set name explicitly + ) + if first_node_copy is None: + first_node_copy = cur_node_copy + # since now only linear subgraphs are supported, all nodes + # except the last one must have only one user + if cur_node_orig != last_node: + assert len(cur_node_orig.users.keys()) == 1 + cur_node_orig = next(iter(cur_node_orig.users.keys())) + assert not cur_node_orig.name.startswith(SHADOW_NODE_NAME_PREFIX) + insertion_point = cur_node_copy + + # add a comparison logger after last_node's copy + subgraph_candidate_idx = 1 + logger_mod_orig = _get_logger_for_subgraph( + model, + first_node, + last_node, + cur_subgraph_idx, + subgraph_candidate_idx, + qconfig_str, + OutputComparisonLogger, + fqn, + ) + attr_name = _get_attr_name(cur_subgraph_idx, subgraph_candidate_idx) + assert not hasattr(model, attr_name) + setattr(model, attr_name, logger_mod_orig) + with model.graph.inserting_after(insertion_point): + logger = model.graph.call_module( + attr_name, args=(cur_node_copy, last_node), kwargs={} + ) + + # save the final node so we can use it in step 2 + orig_first_node_to_shadow_in_node[first_node] = first_node_copy + orig_first_node_to_shadow_out_node[first_node] = cur_node_copy + + cur_subgraph_idx += 1 + + model.recompile() + + # Now, we go from + # + # x0 -> op0_0 -> x1_0 -> log -> x1 -> op1_0 -> ... + # \ \ \ + # -> op0_1 -> x1_1 -> clog -> op1_1 -> ... + # + # to + # + # x0 -> op0_0 -> x1_0 -> log --> x1_0 -> op1_0 -> ... + # \ \ + # -> op0_1 -> x1_1 -> clog -> x1_1 -> op1_1 -> ... + # + # sample values of key internal variables for the example above: + # + # orig_first_node_to_shadow_in_node = {op0_0: op0_1, op1_0: op1_1} + # orig_first_node_to_shadow_out_node = {op0_0: op0_1, op1_0: op1_1} + # + # note: for subgraphs with more than one node, in_node will be different + # compared to out_node + + nodes_to_skip = set() + for n in orig_nodes: + if n.op in ("placeholder", "get_attr", "output") or n in nodes_to_skip: + continue + + maybe_subgraph = _get_subgraph_containing_node(n, subgraphs_dedup) + if maybe_subgraph is not None: + first_node, last_node = maybe_subgraph[0], maybe_subgraph[-1] + nodes_to_skip.update(maybe_subgraph) + else: + first_node, last_node = n, n + + def maybe_remap_node_to_shadow(node): + """ + If unshadowed `node` has a shadow version, return that. If not, + return `node`. + """ + if not isinstance(node, Node): + # handle scalars + return node + + if node.op in ("placeholder", "get_attr"): + return node + + # Find the shadowed version of this arg from the previous + # subgraph. For this, we need to: + # 1. navigate to the first node of the previous subgraph + # 2. get the output of the shadow wrapper which has (1) as an input + + # For now, assume the arg is in matched subgraphs. In the + # future we may have to handle the case where this is not true. + prev_subgraph = _get_subgraph_containing_node(node, subgraphs_dedup) + if prev_subgraph is None: + prev_subgraph = [node] + prev_first_node = prev_subgraph[0] + prev_shadow_output = orig_first_node_to_shadow_out_node[prev_first_node] + return prev_shadow_output + + cur_shadow_input = orig_first_node_to_shadow_in_node[first_node] + assert cur_shadow_input is not None + cur_shadow_input.args = tree_map( + maybe_remap_node_to_shadow, cur_shadow_input.args + ) + cur_shadow_input.kwargs = tree_map( + maybe_remap_node_to_shadow, cur_shadow_input.kwargs + ) + + model.recompile() + + +def _get_weight_info_from_shadow_wrapper(shadow_wrapper: torch.nn.Module): + # input: shadow wrapper module + # output if shadow wrapper module has a weighted op: + # (quantize_fn, (quantize_fn_args)) + # output if shadow wrapper module doesn't have a weighted op: + # None + + # For now, assume that the weight is the second input + # to the shadow module. If that changes, we can fix it later. + placeholders_seen = 0 + for shadow_n in shadow_wrapper.graph.nodes: # type: ignore[union-attr] + if shadow_n.op != "placeholder": + continue + + placeholders_seen += 1 + if placeholders_seen != 2: + continue + + # the subgraph looks like + # + # _input_scale_1 = self._input_scale_1 + # _input_zero_point_1 = self._input_zero_point_1 + # quantize_per_channel = torch.quantize_per_channel( + # w2_0, _input_scale_1, _input_zero_point_1, + # 0, torch.qint8) + # + # we have `w2_0`, and are navigating this subgraph + # to get `_input_scale_1` and `_input_zero_point_1` + + assert len(shadow_n.users) == 1 + quant_node = next(iter(shadow_n.users.keys())) + new_args: Any = None + if quant_node.target == torch.quantize_per_channel: + _weight, scale_node, zp_node, axis, dtype = quant_node.args + scale_val = getattr_from_fqn(shadow_wrapper, scale_node.target) + zp_val = getattr_from_fqn(shadow_wrapper, zp_node.target) + new_args = (scale_val, zp_val, axis, dtype) + else: + assert quant_node.target == torch.quantize_per_tensor + _weight, scale_node, zp_node, dtype = quant_node.args + scale_val = getattr_from_fqn(shadow_wrapper, scale_node.target) + zp_val = getattr_from_fqn(shadow_wrapper, zp_node.target) + new_args = (scale_val, zp_val, dtype) + return (quant_node.target, new_args) + + return None + + +def extract_weight_comparison(m: GraphModule) -> NSResultsType: + # example graph: + # + # w1 = self.w1 + # b1 = self.b1 + # linear = torch._C._nn.linear(x, w1, b1) + # shadow_0_0 = self.shadow_0_0(linear) + # shadow_wrapper_0_1 = self.shadow_wrapper_0_1(x, w1, b1) + # shadow_0_1 = self.shadow_0_1(shadow_wrapper_0_1, linear) + # + # algorithm: + # 1. for each call_function node matching our allowlist: + # 2. if corresponding shadow wrapper exists, extract the weight pair + # + # Note: this is not super robust, but that's ok because this is + # just for legacy customers who depend on the previous two-model version + # of this API. TBD if we need to make this robust. + # Note: modules are not supported, since existing customers only + # use functions. + + # TODO(future PR): move this to config + weighted_ops = { + torch.nn.functional.linear, + } + + results: NSResultsType = {"model": {NSSingleResultValuesType.WEIGHT.value: {}}} + + for n in m.graph.nodes: # type: ignore[union-attr] + if not (n.op == "call_function" and n.target in weighted_ops): + continue + + # Check if we have a corresponding shadow wrapper + # TODO(future PR, if needed): support kwargs + # TODO(future PR, if needed): support multiple shadow users + first_arg = n.args[0] + shadow_wrapper_node = None + for user in first_arg.users: + # TODO(before land): fix string match + if user.op == "call_module" and user.target.startswith("shadow_wrapper"): + shadow_wrapper_node = user + break + + if shadow_wrapper_node is None: + continue + + shadow_wrapper = getattr_from_fqn( + m, shadow_wrapper_node.target + ) # type: ignore[arg-type] + weight_info = _get_weight_info_from_shadow_wrapper(shadow_wrapper) + if weight_info is None: + continue + + # get weight + w_node = n.args[1] + w_obj = getattr_from_fqn(m, w_node.target).detach() + + # get a quantized version of weight + quant_fn, quant_fn_args_except_first = weight_info + new_args = (w_obj, *quant_fn_args_except_first) + w_obj_q = quant_fn(*new_args) + + # add a comparison + ref_node_name = n.name + prev_node_name = n.name + ref_node_type = get_target_type_str(n, m) + prev_node_type = ref_node_type + fqn = None + if hasattr(m, "_node_name_to_scope"): + fqn = m._node_name_to_scope[n.name][0] # type: ignore[index] + comparison = torch.ao.ns.fx.utils.compute_sqnr(w_obj, w_obj_q) + result_fp32 = { + "res_type": NSSingleResultValuesType.WEIGHT.value, + "values": [w_obj], + "prev_node_name": prev_node_name, + "prev_node_target_type": prev_node_type, + "ref_node_name": ref_node_name, + "ref_node_target_type": ref_node_type, + "index_within_arg": 0, + "index_of_arg": 0, + "fqn": fqn, + "qconfig_str": "", + "comparisons": [comparison], + "comparison_fn_name": "sqnr", + } + result_q = { + "res_type": NSSingleResultValuesType.WEIGHT.value, + "values": [w_obj_q], + "prev_node_name": prev_node_name, + "prev_node_target_type": prev_node_type, + "ref_node_name": ref_node_name, + "ref_node_target_type": ref_node_type, + "index_within_arg": 0, + "index_of_arg": 0, + "fqn": fqn, + "qconfig_str": "", + "comparisons": [comparison], + "comparison_fn_name": "sqnr", + } + + # go from subgraph_n_1 to subgraph_n_0 + _1, _2, node_idx, _3 = shadow_wrapper_node.target.split("_") + name_fp32 = f"subgraph_{node_idx}_0" + name_q = f"subgraph_{node_idx}_1" + + results["model"][NSSingleResultValuesType.WEIGHT.value][name_fp32] = [ + result_fp32 + ] + results["model"][NSSingleResultValuesType.WEIGHT.value][name_q] = [result_q] + + return results + + +# TODO(future PR): redesign this to make it easier to consume outputs +def group_results_by_subgraph(results: NSResultsType) -> Any: + """ + Creates a comparison of results + + Input: + + { + 'model': { + 'node_output': { + 'subgraph_0_0': [ + 'values': [torch.tensor(...), ...], ... + 'ref_node_name': ..., + 'ref_node_target_type': ..., + 'qconfig_str': ..., + 'comparisons': [], ... + 'comparison_fn_name': '', + 'fqn': '...', + ], + 'subgraph_0_1': [ + 'values': [torch.tensor(...), ...], ... + 'ref_node_name': ..., + 'ref_node_target_type': ..., + 'qconfig_str': ..., + 'comparisons': [torch.tensor(...), ...], ... + 'comparison_fn_name': '...', + 'fqn': '...', + ], + ... + }, + }, + } + + Output: + { + 'subgraph_0': { + '0': { + 'ref_node_name': '...', + 'ref_node_target_type': ..., + 'values': [torch.tensor(...), ...], + 'qconfig_str': None, + 'comparisons': [torch.tensor(...), ...], ... + 'comparison_fn_name': '...', + 'fqn': '...', + }, + '1': { + 'ref_node_name': '...', + 'ref_node_target_type': ..., + 'values': [torch.tensor(...), ...], + 'qconfig_str': '...', + 'comparisons': [torch.tensor(...), ...], ... + 'comparison_fn_name': '...', + 'fqn': '...', + }, + }, + } + + """ + subgraph_name_to_subgraph_results: Any = collections.defaultdict(dict) + + # node_output or weight + key_to_use = next(iter(results["model"].keys())) + + for subgraph_name_with_idx, subgraph_candidate_results in results["model"][ + key_to_use + ].items(): + # convert from `subgraph_m_n` to `subgraph_m` and `n` + ( + subgraph_str, + subgraph_idx, + subgraph_candidate_idx, + ) = subgraph_name_with_idx.split("_") + subgraph_name = f"{subgraph_str}_{subgraph_idx}" + + subgraph_results = { + "ref_node_name": subgraph_candidate_results[0]["ref_node_name"], + "ref_node_target_type": subgraph_candidate_results[0][ + "ref_node_target_type" + ], + "fqn": subgraph_candidate_results[0]["fqn"], + "values": subgraph_candidate_results[0]["values"], + "qconfig_str": subgraph_candidate_results[0]["qconfig_str"], + "comparisons": subgraph_candidate_results[0]["comparisons"], + "comparison_fn_name": subgraph_candidate_results[0]["comparison_fn_name"], + } + + subgraph_name_to_subgraph_results[subgraph_name][ + subgraph_candidate_idx + ] = subgraph_results + + return dict(subgraph_name_to_subgraph_results) + + +# TODO(future PR): redesign this to make it easier to consume outputs +def create_results_comparison( + results_grouped, +) -> Any: + """ + Input: + + { + 'subgraph_0': { + '0': { + 'ref_node_name': '...', + 'ref_node_target_type': ..., + 'values': [torch.tensor(...), ...], + 'qconfig_str': '', + 'comparisons': [], + 'comparison_fn_name': '', + 'fqn': '...', + }, + '1': { + 'ref_node_name': '...', + 'ref_node_target_type': ..., + 'values': [torch.tensor(...), ...], + 'qconfig_str': '...', + 'comparisons': [torch.tensor(...), ...], + 'comparison_fn_name': 'sqnr', + 'fqn': '...', + }, + }, + } + + Output: + { + 'subgraph_0': { + 'ref_node_name': '...', + 'ref_node_target_type': '...', + 'fqn': '...', + 'candidates': { + '1': { + 'qconfig_str': ..., + 'comparison_fn_name': 'sqnr', + 'cmp_raw': [..., ...], + 'cmp_mean': ..., + }, + ..., + }, + }, + } + """ + + results_comparison = {} + + for subgraph_name, subgraph_results in results_grouped.items(): + candidates = {} + for subgraph_inner_name, subgraph_inner_result in subgraph_results.items(): + # skip comparing baseline to baseline + if subgraph_inner_name == "0": + continue + + # we expect the comparisons to be precalculated from + # calibration, so we just fetch them here + cmp_raw = subgraph_inner_result["comparisons"] + cmp_raw_tensor = torch.stack(cmp_raw) + + candidates[subgraph_inner_name] = { + "qconfig_str": subgraph_inner_result["qconfig_str"], + "comparison_fn_name": subgraph_inner_result["comparison_fn_name"], + "cmp_raw": cmp_raw_tensor, + "cmp_mean": torch.mean(cmp_raw_tensor), + } + + results_comparison[subgraph_name] = { + "ref_node_name": subgraph_results["0"]["ref_node_name"], + "ref_node_target_type": subgraph_results["0"]["ref_node_target_type"], + "fqn": subgraph_results["0"]["fqn"], + "candidates": candidates, + } + + return results_comparison + + +# TODO(future PR): redesign this to make it easier to consume outputs +def print_n_shadows_summary( + results_comparison, +) -> None: + """ + Input: + + { + 'subgraph_0': { + 'ref_node_name': 'linear1', + 'ref_node_target_type': '...', + 'fqn': '...', + 'candidates': { + '1': { + 'qconfig_str': ..., + 'comparison_fn_name': ..., + 'cmp_raw': [45.0, 55.0], + 'cmp_mean': 50.0, + }, + ..., + }, + }, + } + + Prints: + + node_name | node_type | fqn | 0 | 1 | ... + linear1 | ... | ... | 45.0 | 50.0 | ... + """ + + try: + from tabulate import tabulate + except ImportError: + print( + "`print_tabular` relies on the library `tabulate`, " + "which could not be found on this machine. Run `pip " + "install tabulate` to install the library." + ) + return + + results = [] + for subgraph_data in results_comparison.values(): + mean_all_candidates = [ + candidate["cmp_mean"] + for candidate_name, candidate in subgraph_data["candidates"].items() + ] + + data_row = [ + subgraph_data["ref_node_name"], + subgraph_data["ref_node_target_type"], + subgraph_data["fqn"], + *mean_all_candidates, + ] + results.append(data_row) + + max_candidate_idx_len = -1 + for data_row in results: + max_candidate_idx_len = max(max_candidate_idx_len, len(data_row[1])) + candidate_idx_headers = [str(x) for x in range(max_candidate_idx_len)] + + headers = ["node_name", "node_type", "fqn", *candidate_idx_headers] + print(tabulate(results, headers=headers)) diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/ns_types.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/ns_types.py new file mode 100644 index 0000000000000000000000000000000000000000..d7fcd28e364831a5159c7db06785bc3a18c9c9ab --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/ns_types.py @@ -0,0 +1,65 @@ +import enum +from typing import Any, Callable, NamedTuple, Union + +from torch.fx.graph import Node + + +class NSSingleResultValuesType(str, enum.Enum): + WEIGHT = "weight" + NODE_OUTPUT = "node_output" + NODE_INPUT = "node_input" + + +class NSSubgraph(NamedTuple): + start_node: Node + end_node: Node + base_op_node: Node + + +# TODO(future PR): see if we can use typing_extensions's TypedDict instead +# to properly type the various keys +# { +# # one of NSSingleResultValuesType +# 'type': 'weight', +# # the values of type specified above +# 'values': [torch.tensor(...), ...], +# # name of the node directly before the logger +# 'prev_node_name': 'linear1', +# # type of the underlying function or module +# 'prev_node_target_type': torch.nn.functional.linear # or torch.nn.Linear, etc +# # name of the node responsible for adding this logger +# # Note: this may differ from prev_node_name if we are logging inputs +# 'ref_node_name': 'linear1', +# # index of this node within the arg of the input/output node +# # for example, in cat([x1, x2, x3], dim=0), x2 would have index_within_arg == 1 +# 'index_within_arg': 0, +# # index of this node within the args of the input/output node +# # for example, in add(x1, x2), x2 would have index_of_arg == 1 +# 'index_of_arg': 0, +# # precomputed comparisons of logger values to reference values +# 'comparisons': [torch.tensor(...), ...] +# # name of function used for precomputed comparisons +# 'comparison_fn_name': 'sqnr', +# # string representation of qconfig responsible for creating this logger +# 'qconfig_str': 'QConfig(...)', +# } +NSSingleResultType = dict[str, Any] + +# { +# 'layer_name_1': { # subgraph name +# 'node_output': { # results type (node_output, node_input, weight) +# 'model_name_a': # model name +# [NSSingleResultType, ...], # results, ordered by index_within_arg +# 'model_name_b': +# [NSSingleResultType, ...], +# }, +# }, +# } +# +NSResultsType = dict[str, dict[str, dict[str, list[NSSingleResultType]]]] + +# Defines the underlying target type of a node, for example: +# `F.conv1d` for a `call_function` conv node +# `nn.Conv1d` for a `call_module` node calling the forward of a `nn.Conv1d` module +# `'sigmoid'` for a `call_method` node calling `x.sigmoid()` +NSNodeTargetType = Union[Callable, str] diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/pattern_utils.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/pattern_utils.py new file mode 100644 index 0000000000000000000000000000000000000000..4ac267417f9730d6bbf6f7b9c150eeea619b350b --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/pattern_utils.py @@ -0,0 +1,209 @@ +from typing import Any, Callable, Union + +import torch +import torch.nn as nn +import torch.nn.functional as F +from torch.ao.quantization import FakeQuantizeBase, ObserverBase +from torch.ao.quantization.backend_config import get_native_backend_config +from torch.ao.quantization.fx.quantize_handler import _get_pattern_to_quantize_handlers +from torch.ao.quantization.utils import getattr_from_fqn +from torch.fx import GraphModule +from torch.fx.graph import Node + +from .ns_types import NSNodeTargetType + + +toq = torch.ops.quantized + + +def get_type_a_related_to_b( + base_name_to_sets_of_related_ops: dict[str, set[NSNodeTargetType]], +) -> set[tuple[NSNodeTargetType, NSNodeTargetType]]: + # TODO(future PR): allow customizations + # TODO(future PR): reuse existing quantization mappings + # TODO(future PR): add the rest of modules and ops here + type_a_related_to_b: set[tuple[NSNodeTargetType, NSNodeTargetType]] = set() + + for s in base_name_to_sets_of_related_ops.values(): + s_list = list(s) + # add every bidirectional pair + for idx_0 in range(0, len(s_list)): + for idx_1 in range(idx_0, len(s_list)): + type_a_related_to_b.add((s_list[idx_0], s_list[idx_1])) + type_a_related_to_b.add((s_list[idx_1], s_list[idx_0])) + + return type_a_related_to_b + + +NSFusionElType = Union[ + Callable, # call_function or call_module type, example: F.linear or nn.Conv2d + str, # call_method name, example: "dequantize" + tuple[ + str, Any + ], # call_method name and first argument, example: ("to", torch.float16) +] +NSFusionType = Union[ + tuple[NSFusionElType, NSFusionElType], + tuple[NSFusionElType, NSFusionElType, NSFusionElType, NSFusionElType], +] + + +def get_reversed_fusions() -> list[tuple[NSFusionType, int]]: + """ + Set of potential fusions, in reverse order. The order is reversed + to match how fusion patterns are defined in quantization code. + + Fusion format: + ((fusion_op_0, fusion_op_1), base_op_idx) + + Where base_op_idx is the idx of the op we should use to match other related + ops. Note: base_op_idx is specified in non-reverse order, i.e. a base_op_idx + of 0 represents the first op in regular (non-reverse) order, 1 represents the + second op, etc. + """ + results: list[tuple[NSFusionType, int]] = [] + + # Possible syntaxes: + # * single op: torch.nn.Conv2d + # * multiple ops: (torch.nn.ReLU, torch.nn.Conv2d) + # For fusions, we only care about patterns composed of multiple ops. + # TODO(future PR): allow customizations from default patterns. + all_quant_patterns = _get_pattern_to_quantize_handlers(get_native_backend_config()) + + default_base_op_idx = 0 + for quant_pattern in all_quant_patterns.keys(): + # TODO: this is a temporary hack to flatten the patterns from quantization so + # that it works with the ns matcher function, maybe we should use `_is_match` + # in torch.ao.quantization.fx.match_utils to match the patterns + if ( + isinstance(quant_pattern, tuple) + and len(quant_pattern) == 2 + and isinstance(quant_pattern[1], tuple) + and len(quant_pattern[1]) == 2 + ): + # flatten the pattern with form (nn.ReLU, (nn.BatchNorm2d, nn.Conv2d)) + quant_pattern = (quant_pattern[0], quant_pattern[1][0], quant_pattern[1][1]) + + # Only patterns of multiple ops are fusions, ignore + # patterns which contain a single ops (they get matched + # without caring about fusions). + if isinstance(quant_pattern, tuple): + results.append((quant_pattern, default_base_op_idx)) # type: ignore[arg-type] + + # For each pattern, add additional patterns with observers and + # fake quants at the end. + # TODO(future PR): if needed, implement matching for a node + # having multiple output observers. + for cls in (ObserverBase, FakeQuantizeBase): + if isinstance(quant_pattern, tuple): + new_pattern = (cls, *quant_pattern) + else: + new_pattern = (cls, quant_pattern) + results.append((new_pattern, default_base_op_idx)) # type: ignore[arg-type] + + # After this point, results contains values such as + # [..., ((torch.nn.Relu, torch.nn.Conv2d), 0), ...] + + # Patterns for matching fp16 emulation are not specified in the quantization + # fusion mappings. For now, define them here. + fp16_em_base_op_idx = 1 + patterns_to_add = [ + # linear-relu fp16 emulation: + # fp16_to_fp32 -> linear -> relu -> fp32_to_fp16 + ( + (("to", torch.float16), F.relu, F.linear, "dequantize"), + fp16_em_base_op_idx, + ), + # Conv-BN fusion (this happens outside of quantization patterns, + # which is why it is defined separately here). + ((nn.BatchNorm1d, nn.Conv1d), default_base_op_idx), + ((nn.BatchNorm2d, nn.Conv2d), default_base_op_idx), + ((nn.BatchNorm3d, nn.Conv3d), default_base_op_idx), + ((nn.ReLU, nn.BatchNorm1d, nn.Conv1d), default_base_op_idx), + ((nn.ReLU, nn.BatchNorm2d, nn.Conv2d), default_base_op_idx), + ((nn.ReLU, nn.BatchNorm3d, nn.Conv3d), default_base_op_idx), + ] + for p in patterns_to_add: + results.append(p) # type: ignore[arg-type] + results.append(((ObserverBase, *p[0]), p[1])) # type: ignore[arg-type] + results.append(((FakeQuantizeBase, *p[0]), p[1])) # type: ignore[arg-type] + + return results + + +def end_node_matches_reversed_fusion( + end_node: Node, + reversed_fusion: NSFusionType, + gm: GraphModule, + seen_nodes: set[Node], +) -> bool: + """ + Returns true if a pattern ending with `end_node` matches + the fusion pattern. + """ + cur_node = end_node + for fusion_idx in range(len(reversed_fusion)): + # each node can only belong to one matched pattern + if cur_node in seen_nodes: + return False + + cur_fusion_el = reversed_fusion[fusion_idx] + + if cur_node.op == "call_function": + fusion_el_is_fun = (not isinstance(cur_fusion_el, str)) and ( + not isinstance(cur_fusion_el, type) + ) + if fusion_el_is_fun: + if cur_node.target != cur_fusion_el: + return False + if len(cur_node.args) > 0 and isinstance(cur_node.args[0], Node): + cur_node = cur_node.args[0] + else: + return False + else: + return False + + elif cur_node.op == "call_module": + fusion_el_is_mod = isinstance(cur_fusion_el, type) + if fusion_el_is_mod: + assert isinstance(cur_node.target, str) + target_mod = getattr_from_fqn(gm, cur_node.target) + if not isinstance(cur_fusion_el, type): + return False + if not isinstance(target_mod, cur_fusion_el): + return False + if len(cur_node.args) > 0 and isinstance(cur_node.args[0], Node): + cur_node = cur_node.args[0] + else: + return False + else: + return False + + elif cur_node.op == "call_method": + fusion_el_is_meth_with_second_arg = ( + isinstance(cur_fusion_el, tuple) and len(cur_fusion_el) == 2 + ) + fusion_el_is_meth_without_args = isinstance(cur_fusion_el, str) + if fusion_el_is_meth_without_args or fusion_el_is_meth_with_second_arg: + if fusion_el_is_meth_without_args: + if cur_node.target != cur_fusion_el: + return False + else: + assert isinstance(cur_fusion_el, tuple) + if cur_node.target != cur_fusion_el[0]: + return False + elif len(cur_node.args) < 2: + return False + elif cur_node.args[1] != cur_fusion_el[1]: + return False + + if len(cur_node.args) > 0 and isinstance(cur_node.args[0], Node): + cur_node = cur_node.args[0] + else: + return False + else: + return False + else: + return False + + return True diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/qconfig_multi_mapping.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/qconfig_multi_mapping.py new file mode 100644 index 0000000000000000000000000000000000000000..4a7865f2f14b764bb64116f1606b68cc0c40369c --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/qconfig_multi_mapping.py @@ -0,0 +1,249 @@ +# mypy: allow-untyped-defs +from __future__ import annotations + +import copy +from typing import Any, Callable, TYPE_CHECKING, Union + +import torch +from torch.ao.quantization import QConfigMapping +from torch.ao.quantization.qconfig_mapping import _QCONFIG_STYLE_ORDER + + +if TYPE_CHECKING: + from torch.ao.quantization.qconfig import QConfigAny + +__all__ = ["QConfigMultiMapping"] + +_QCONFIG_STYLE_TO_METHOD: dict[str, str] = { + "global_qconfig": "set_global", + "object_type_qconfigs": "set_object_type", + "module_name_regex_qconfigs": "set_module_name_regex", + "module_name_qconfigs": "set_module_name", + "module_name_object_type_order_qconfigs": "set_module_name_object_type_order", +} + + +def _remove_duplicates_and_none(qconfig_list: list[QConfigAny]) -> None: + to_remove = [] + for index, cur_qconfig in enumerate(qconfig_list): + if cur_qconfig is None: + to_remove.append(index) + break + for checked_qconfig in qconfig_list[:index]: + if torch.ao.quantization.qconfig_equals(cur_qconfig, checked_qconfig): + to_remove.append(index) + break + for index in to_remove[::-1]: + qconfig_list.pop(index) + + +class QConfigMultiMapping: + """ + This class, used with the prepare_n_shadows_model API, stores a list of :class:`torch.ao.quantization.QConfigMapping`s + so that multiple QConfigs can be specified for each QConfig matching style. + + The user can specify QConfigs using the following methods (in increasing match priority): + + ``set_global`` : sets the global (default) QConfigs + + ``set_object_type`` : sets the QConfigs for a given module type, function, or method name + + ``set_module_name_regex`` : sets the QConfigs for modules matching the given regex string + + ``set_module_name`` : sets the QConfigs for modules matching the given module name + + ``set_module_name_object_type_order`` : sets the QConfigs for modules matching a combination + of the given module name, object type, and the index at which the module appears + + Note: Usage of set methods is the same as in QConfigMapping except with a passed in list of QConfigs rather than a + single QConfig. + + Example usage:: + + qconfig_mapping = QConfigMultiMapping() + .set_global([qconfig1, qconfig2]) + .set_object_type(torch.nn.Linear, [qconfig2, qconfig3]) + .set_object_type(torch.nn.ReLU, [qconfig1]) + .set_module_name_regex("foo.*bar.*conv[0-9]+", [qconfig2]) + .set_module_name_regex("foo.*", [qconfig1, qconfig2, qconfig3]) + .set_module_name("module1", [None]) + .set_module_name("module2", [qconfig2]) + .set_module_name_object_type_order("foo.bar", torch.nn.functional.linear, 0, [qconfig3]) + + """ + + def __init__(self) -> None: + # initialize this with 1 QConfigMapping to avoid corner cases + self.qconfig_mappings_list: list[QConfigMapping] = [QConfigMapping()] + + def _handle_list_size_mismatch( + self, qconfig_list: list[QConfigAny], style: str + ) -> None: + # this method handles cases where the size of qconfig_list does not match + # the size of qconfig_mappings_list. + # Issue: Consider a user inserting global_qconfig A and B first, then inserting + # qconfig C as an object_type_qconfig for conv ops. If we internally store + # 1 QConfigMapping with A and C and another with just B, then the + # second QConfigMapping will match B to conv ops (which is not wanted), since B is global. + + # we avoid this by maintaining the invariant that if any QConfigMapping + # has a qconfig style+key with a qconfig in it, all QConfigMappings must + # have either a qconfig or None for that same style+key. In the above + # example, a None qconfig would prevent the unwanted match in the + # second QConfigMapping + + if len(qconfig_list) > len(self.qconfig_mappings_list): + # Case: we have more qconfigs (in qconfig_list) than QConfigMappings + + # Add new QConfigMappings (initialized so we maintain the `invariant`) + + new_qconfig_mapping = QConfigMapping() + # searches other QConfigMappings for qconfig style+keys + # that need to be inserted as `None` into the new QConfigMapping + for qconfig_mapping in self.qconfig_mappings_list: + # global_qconfig has None by default + for check_style in _QCONFIG_STYLE_ORDER[1:]: + qconfigs_dict = getattr(qconfig_mapping, check_style) + target_qconfigs_dict = getattr(new_qconfig_mapping, check_style) + for key in qconfigs_dict: + target_qconfigs_dict[key] = None + break + + # insert copies of this new QConfigMapping until all entires + # in qconfig_list can fit among the QConfigMappings + while len(qconfig_list) > len(self.qconfig_mappings_list): + self.qconfig_mappings_list.append(copy.deepcopy(new_qconfig_mapping)) + else: + # Case: we have fewer qconfigs in qconfig_list than QConfigMappings + + # pad qconfig_list with `None` until length is same + while len(qconfig_list) < len(self.qconfig_mappings_list): + qconfig_list.append(None) + + # this function applies the insertion method across each QConfigMapping + def _insert_qconfig_list( + self, + style: str, + args: list[Union[str, int, Callable]], + qconfig_list: list[QConfigAny], + ) -> None: + # we remove duplicates and None to make the ordering of qconfigs + # deterministic upon insertion. + _remove_duplicates_and_none(qconfig_list) + + self._handle_list_size_mismatch(qconfig_list, style) + method_name = _QCONFIG_STYLE_TO_METHOD[style] + for qconfig_mapping, qconfig in zip(self.qconfig_mappings_list, qconfig_list): + # uses QConfigMapping set method to insert qconfig + set_method = getattr(qconfig_mapping, method_name) + set_method(*args, qconfig) + + def set_global(self, global_qconfig_list: list[QConfigAny]) -> QConfigMultiMapping: + """ + Set global QConfigs + see :func:`~torch.ao.quantization.QConfigMapping.set_global()` for more info + """ + self._insert_qconfig_list("global_qconfig", [], global_qconfig_list) + return self + + def set_object_type( + self, object_type: Union[Callable, str], qconfig_list: list[QConfigAny] + ) -> QConfigMultiMapping: + """ + Set object type QConfigs + see :func:`~torch.ao.quantization.QConfigMapping.set_object_type()` for more info + """ + self._insert_qconfig_list("object_type_qconfigs", [object_type], qconfig_list) + return self + + def set_module_name_regex( + self, module_name_regex: str, qconfig_list: list[QConfigAny] + ) -> QConfigMultiMapping: + """ + Set module_name_regex QConfigs + see :func:`~torch.ao.quantization.QConfigMapping.set_module_name_regex()` for more info + """ + self._insert_qconfig_list( + "module_name_regex_qconfigs", [module_name_regex], qconfig_list + ) + return self + + def set_module_name( + self, module_name: str, qconfig_list: list[QConfigAny] + ) -> QConfigMultiMapping: + """ + Set module_name QConfigs + see :func:`~torch.ao.quantization.QConfigMapping.set_module_name()` for more info + """ + self._insert_qconfig_list("module_name_qconfigs", [module_name], qconfig_list) + return self + + def set_module_name_object_type_order( + self, + module_name: str, + object_type: Callable, + index: int, + qconfig_list: list[QConfigAny], + ) -> QConfigMultiMapping: + """ + Set module_name QConfigs + see :func:`~torch.ao.quantization.QConfigMapping.set_module_name_object_type_order()` for more info + """ + self._insert_qconfig_list( + "module_name_object_type_order_qconfigs", + [module_name, object_type, index], + qconfig_list, + ) + return self + + def __repr__(self): + return ( + self.__class__.__name__ + + " [" + + "".join( + f"\n{qconfig_mapping.__repr__()}," + for qconfig_mapping in self.qconfig_mappings_list + ) + + "\n]" + ) + + @classmethod + def from_list_qconfig_mapping( + cls, qconfig_mapping_list: list[QConfigMapping] + ) -> QConfigMultiMapping: + """ + Creates a QConfigMultiMapping from a list of QConfigMappings + """ + new_qconfig_multi_mapping = cls() + + new_qconfig_multi_mapping.qconfig_mappings_list = copy.deepcopy( + qconfig_mapping_list + ) + + # we need to avoid the issue described in _handle_list_size_mismatch, + # so we reinsert all the qconfigs using the QConfigMultiMapping + # set methods + + # go through all qconfig styles + # note: global can be ignored since it is None by default + for style in _QCONFIG_STYLE_ORDER[1:]: + # gather all key+qconfigs for current style + # into qconfig_dict_list + qconfig_dict_list: dict[Any, list[QConfigAny]] = {} + for qconfig_mapping in qconfig_mapping_list: + qconfig_dict = getattr(qconfig_mapping, style) + for key, qconfig in qconfig_dict.items(): + if key not in qconfig_dict_list: + qconfig_dict_list[key] = [] + qconfig_dict_list[key].append(qconfig) + + # reinsert all gathered key+qconfigs + set_method_name = _QCONFIG_STYLE_TO_METHOD[style] + set_method = getattr(new_qconfig_multi_mapping, set_method_name) + for key, qconfig_list in qconfig_dict_list.items(): + if isinstance(key, tuple): + set_method(*key, qconfig_list) + else: + set_method(key, qconfig_list) + + return new_qconfig_multi_mapping diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/utils.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/utils.py new file mode 100644 index 0000000000000000000000000000000000000000..6f55600671c864f6d99a91287250e94a10637d63 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/utils.py @@ -0,0 +1,537 @@ +# mypy: allow-untyped-decorators +# mypy: allow-untyped-defs +import enum +import operator +from typing import Callable, Optional, Union + +import torch +import torch.ao.nn.intrinsic.quantized as nniq +import torch.ao.nn.quantized as nnq +import torch.nn as nn +from torch.ao.quantization import FakeQuantizeBase, ObserverBase +from torch.ao.quantization.observer import _is_activation_post_process +from torch.ao.quantization.utils import getattr_from_fqn +from torch.fx import GraphModule +from torch.fx.graph import Node + +from .ns_types import NSNodeTargetType, NSResultsType + + +toq = torch.ops.quantized + + +# TODO(future PR): consider deleting this enum and using the torch types +# directly. This might be tricky because it is not a one to one mapping. +class NodeInputOrOutputType(enum.Enum): + FP32 = enum.auto() # torch.float + INT8 = enum.auto() # torch.qint8 or torch.quint8 + FP16 = enum.auto() # torch.float16 + UNKNOWN = enum.auto() # we cannot determine input/output dtype + # TODO(future PR): while these functions can support multiple dtypes, + # for the purposes of numerical debugging we want to get the actual + # dtype used in the model. We will likely need some kind of dtype + # propagation to estimate this. + FP32_OR_INT8 = enum.auto() # either torch.float or torch.quint8 or torch.qint8 + # TODO(future PRs): dynamic quant, fake quant, etc + + +def get_node_first_input_and_output_type( + node: Node, + gm: GraphModule, + logger_cls: Callable, + node_type_to_io_type_map: dict[str, set[NSNodeTargetType]], +) -> tuple[NodeInputOrOutputType, NodeInputOrOutputType]: + # TODO(future PR): clean this up + FUNS_IO_TYPE_FP32 = node_type_to_io_type_map["funs_io_type_fp32"] + FUNS_IO_TYPE_FP16 = node_type_to_io_type_map["funs_io_type_fp16"] + FUNS_IO_TYPE_INT8 = node_type_to_io_type_map["funs_io_type_int8"] + FUNS_IO_TYPE_FP32_OR_INT8 = node_type_to_io_type_map["funs_io_type_fp32_or_int8"] + MODS_IO_TYPE_FP32 = node_type_to_io_type_map["mods_io_type_fp32"] + MODS_IO_TYPE_INT8 = node_type_to_io_type_map["mods_io_type_int8"] + MODS_IO_TYPE_FP32_OR_INT8 = node_type_to_io_type_map["mods_io_type_fp32_or_int8"] + METHS_IO_TYPE_FP32_OR_INT8 = node_type_to_io_type_map["meths_io_type_fp32_or_int8"] + + if node.op == "call_function": + if node.target in FUNS_IO_TYPE_FP32: + return (NodeInputOrOutputType.FP32, NodeInputOrOutputType.FP32) + if node.target in FUNS_IO_TYPE_FP16: + return (NodeInputOrOutputType.FP16, NodeInputOrOutputType.FP16) + elif node.target in FUNS_IO_TYPE_INT8: + return (NodeInputOrOutputType.INT8, NodeInputOrOutputType.INT8) + elif node.target in FUNS_IO_TYPE_FP32_OR_INT8: + first_arg = get_normalized_nth_input(node, gm, 0) + assert isinstance(first_arg, Node) + ( + _prev_node_input_type, + prev_node_output_type, + ) = get_node_first_input_and_output_type( + first_arg, gm, logger_cls, node_type_to_io_type_map + ) + return (prev_node_output_type, prev_node_output_type) + else: + return (NodeInputOrOutputType.UNKNOWN, NodeInputOrOutputType.UNKNOWN) + + elif node.op == "call_module": + assert node.op == "call_module" + assert isinstance(node.target, str) + mod = getattr_from_fqn(gm, node.target) + is_known_fp32_or_int8_input_module = any( + isinstance(mod, target_type) for target_type in MODS_IO_TYPE_FP32_OR_INT8 # type: ignore[arg-type] + ) + if ( + isinstance(mod, (logger_cls, ObserverBase, FakeQuantizeBase)) # type: ignore[arg-type] + or is_known_fp32_or_int8_input_module + ): + # A logger or observer's input and output type is the output + # type of the preceding node. + first_arg = get_normalized_nth_input(node, gm, 0) + assert isinstance(first_arg, Node) + ( + _prev_node_input_type, + prev_node_output_type, + ) = get_node_first_input_and_output_type( + first_arg, gm, logger_cls, node_type_to_io_type_map + ) + return (prev_node_output_type, prev_node_output_type) + is_known_fp32_input_module = any( + isinstance(mod, target_type) for target_type in MODS_IO_TYPE_FP32 # type: ignore[arg-type] + ) + is_known_int8_input_module = any( + isinstance(mod, target_type) for target_type in MODS_IO_TYPE_INT8 # type: ignore[arg-type] + ) + if is_known_fp32_input_module: + return (NodeInputOrOutputType.FP32, NodeInputOrOutputType.FP32) + elif is_known_int8_input_module: + return (NodeInputOrOutputType.INT8, NodeInputOrOutputType.INT8) + else: + return (NodeInputOrOutputType.UNKNOWN, NodeInputOrOutputType.UNKNOWN) + + elif node.op == "call_method": + if node.target == "dequantize": + # Dequantize is a special node because it allows multiple input types. + # So, we look up the output type of the previous node and return that + # as the input type of this node instance. + prev_node = get_normalized_nth_input(node, gm, 0) + assert isinstance(prev_node, Node) + ( + _prev_node_input_type, + prev_node_output_type, + ) = get_node_first_input_and_output_type( + prev_node, gm, logger_cls, node_type_to_io_type_map + ) + return (prev_node_output_type, NodeInputOrOutputType.FP32) + + elif node.target == "to": + # to is a special node because it allows multiple input types. + # So, we look up the output type of the previous node and return that + # as the input type of this node instance. We also look up the target + # of to and return the correct output type. + prev_node = get_normalized_nth_input(node, gm, 0) + assert isinstance(prev_node, Node) + ( + _prev_node_input_type, + prev_node_output_type, + ) = get_node_first_input_and_output_type( + prev_node, gm, logger_cls, node_type_to_io_type_map + ) + + cur_node_dtype_target = get_normalized_nth_input(node, gm, 1) + assert ( + cur_node_dtype_target is torch.float16 + ), f"{cur_node_dtype_target} handling needs to be added" + + return (prev_node_output_type, NodeInputOrOutputType.FP16) + + elif node.target in METHS_IO_TYPE_FP32_OR_INT8: + first_arg = get_normalized_nth_input(node, gm, 0) + assert isinstance(first_arg, Node) + ( + _prev_node_input_type, + prev_node_output_type, + ) = get_node_first_input_and_output_type( + first_arg, gm, logger_cls, node_type_to_io_type_map + ) + return (prev_node_output_type, prev_node_output_type) + + return (NodeInputOrOutputType.UNKNOWN, NodeInputOrOutputType.UNKNOWN) + else: + return (NodeInputOrOutputType.UNKNOWN, NodeInputOrOutputType.UNKNOWN) + + +def get_node_input_qparams( + node: Node, + gm: GraphModule, + node_type_to_io_type_map: dict[str, set[NSNodeTargetType]], +) -> Optional[tuple[Union[torch.Tensor, float], Union[torch.Tensor, int]]]: + """ + Returns the qparams (scale, zero_point) of the first input to `node`, + if they can be inferred from the graph. + """ + prev_node = get_normalized_nth_input(node, gm, 0) + + if not isinstance(prev_node, Node): + return None + + MODS_IO_TYPE_FP32_OR_INT8 = node_type_to_io_type_map["mods_io_type_fp32_or_int8"] + + def _get_scale_zp_from_function_args(node, gm, scale_arg_idx, zp_arg_idx): + scale_node = get_normalized_nth_input(node, gm, scale_arg_idx) + zp_node = get_normalized_nth_input(node, gm, zp_arg_idx) + assert isinstance(scale_node, Node) and isinstance(scale_node.target, str) + assert isinstance(zp_node, Node) and isinstance(zp_node.target, str) + scale_obj = getattr_from_fqn(gm, scale_node.target) + zp_obj = getattr_from_fqn(gm, zp_node.target) + return (scale_obj, zp_obj) + + if prev_node.op == "call_function": + # quantize - read the args directly + if prev_node.target == torch.quantize_per_tensor: + return _get_scale_zp_from_function_args(prev_node, gm, 1, 2) + elif prev_node.target in (toq.add, toq.add_relu, toq.mul, toq.mul_relu): + return _get_scale_zp_from_function_args(prev_node, gm, 2, 3) + + return None + # TODO(future PR): handle more functionals + # TODO(future PR): handle functional ops which inherit qparams from input + + elif prev_node.op == "call_module": + # get type of the module + assert isinstance(prev_node.target, str) + module_obj = getattr_from_fqn(gm, prev_node.target) + if isinstance( + module_obj, + ( + nnq.Linear, + nnq.Conv1d, + nnq.Conv2d, + nniq.ConvReLU2d, + nnq.Conv3d, + nnq.BatchNorm2d, + nnq.BatchNorm3d, + nnq.ConvTranspose1d, + nnq.ConvTranspose2d, + nnq.ELU, + nnq.GroupNorm, + nnq.InstanceNorm1d, + nnq.InstanceNorm2d, + nnq.InstanceNorm3d, + nnq.LayerNorm, + nnq.Hardswish, + nnq.LeakyReLU, + nnq.ReLU6, + nniq.BNReLU2d, + nniq.BNReLU3d, + nniq.ConvReLU1d, + nniq.ConvReLU2d, + nniq.ConvReLU3d, + nniq.LinearReLU, + ), + ): + return (module_obj.scale, module_obj.zero_point) # type: ignore[return-value] + + is_known_fp32_or_int8_input_module = any( + isinstance(module_obj, target_type) for target_type in MODS_IO_TYPE_FP32_OR_INT8 # type: ignore[arg-type] + ) + if is_known_fp32_or_int8_input_module: + return get_node_input_qparams(prev_node, gm, node_type_to_io_type_map) + + return None + + +def return_first_non_observer_node( + node: Node, + gm: GraphModule, +) -> Node: + """ + If node is not an observer, returns it. If node is an observer, + navigates up the graph and returns the first parent which is not an + observer. For example, + + graph: (node_non_obs), node = node_non_obs : returns node_non_obs + graph: (node_non_obs -> obs0), node = obs0 : returns node_non_obs + graph: (node_non_obs -> obs0 -> fq0), node = fq0 : returns node_non_obs + """ + if node.op == "call_module": + node_obj = getattr_from_fqn(gm, node.target) # type: ignore[arg-type] + if _is_activation_post_process(node_obj): + assert len(node.args) == 1 + assert isinstance(node.args[0], Node) + node = node.args[0] + # code duplication intended, not worth refactoring + assert isinstance(node.target, str) + node_obj = getattr_from_fqn(gm, node.target) + if _is_activation_post_process(node_obj): + assert len(node.args) == 1 + assert isinstance(node.args[0], Node) + node = node.args[0] + return node + + +def get_number_of_non_param_args( + node: Node, + gm: GraphModule, +) -> int: + """ + Assumes that all non-param args occur first. Returns the number of + non-param args expected for a node. For example, for + + F.linear(x, weight, bias) + + Returns 1, because x is a non-param arg and weight and bias are params. + For + + lstm_mod(x, hid) + + Returns 2, because both x and hid are non-param args. + """ + if node.op == "call_module": + node_obj = getattr_from_fqn(gm, node.target) # type: ignore[arg-type] + if isinstance(node_obj, nn.LSTM): + return 2 + + # default is 1 + return 1 + + +def get_arg_indices_of_inputs_to_log(node: Node) -> list[int]: + """ + Returns the indices of args of the node which we should attach + loggers to, if input logging is enabled. + + For example, + * for (x + y), returns [0, 1] + * for (1 + y), returns [1] + * for (x + 1), returns [0] + * for (linear(x, w, b)) returns [0] + * by default, returns [0] + """ + if len(node.args) == 0: + return [] + if node.op == "call_function" and ( + # TODO(future PR): use relationship map instead of hardcoding + node.target in (torch.add, torch.ops.quantized.add, operator.add) + or node.target in (torch.mul, torch.ops.quantized.mul, operator.mul) + ): + result = [i for i in range(2) if type(node.args[i]) == Node] + return result + return [0] + + +def get_target_type_str(node: Node, gm: GraphModule) -> str: + """ + Returns a string representation of the type of the function or module + pointed to by this node, or '' for other node types. + """ + target_type = "" + if node.op in ("call_function", "call_method"): + target_type = torch.typename(node.target) + elif node.op == "call_module": + assert isinstance(node.target, str) + target_mod = getattr_from_fqn(gm, node.target) + target_type = torch.typename(target_mod) + return target_type + + +def rekey_logger_info_on_node_name_of_model( + results: NSResultsType, + model_name: str, +) -> NSResultsType: + """ + Rekeys the layer name of a results dictionary to use node names + from `model_name`. + + For example, transforms + + {'base_op_1_0': {'node_output': {'model_a': + [{'ref_node_name': 'linear1', ...}]}}} + + into + + {'linear1': {'node_output': {'model_a': + [{'ref_node_name': 'linear1', ...}]}}} + + Note: we cannot use these node names directly because they are not + guaranteed to be consistent across models. This is why we extract + the results first and rekey afterwards. + """ + new_results = {} + for old_layer_name, result_type_to_results in results.items(): + new_layer_name = None + for model_name_to_results in result_type_to_results.values(): + for cur_model_name, list_of_results in model_name_to_results.items(): + if cur_model_name == model_name: + assert len(list_of_results) + new_layer_name = list_of_results[0]["ref_node_name"] + else: + continue + if new_layer_name is not None: + new_results[new_layer_name] = result_type_to_results + else: + new_results[old_layer_name] = result_type_to_results + return new_results + + +def maybe_add_missing_fqns(results: NSResultsType) -> None: + """ + If `fqn` entries are filled in for one of the models in `results`, copies + them over to any models which do not have them filled out. + + A common use case benefitting from this is comparing a model prepared by + quantization to a quantized model. In this case, the model prepared by + quantization would have `fqn` entries, and the quantized model would not. + """ + + # Check in the first result to find any model with fqn entries defined. + model_name_with_fqns = None + for result_type_to_results in results.values(): + for model_name_to_results in result_type_to_results.values(): + for model_name, model_results in model_name_to_results.items(): + if len(model_results) > 0: + if model_results[0]["fqn"] is not None: + model_name_with_fqns = model_name + break + break + break + + if model_name_with_fqns: + for result_type_to_results in results.values(): + for model_name_to_results in result_type_to_results.values(): + ref_model_results = model_name_to_results[model_name_with_fqns] + for model_name, model_results in model_name_to_results.items(): + if model_name == model_name_with_fqns: + continue + for i in range(len(model_results)): + fqn = ref_model_results[i]["fqn"] + model_results[i]["fqn"] = fqn + + +def maybe_dequantize_first_two_tensor_args_and_handle_tuples(f): + def inner(*args, **kwargs): + a0, a1, *a_other = args + + if (isinstance(a0, tuple) and isinstance(a1, tuple)) or ( + isinstance(a0, list) and isinstance(a1, list) + ): + results = [] + for el0, el1 in zip(a0, a1): + new_args = (el0, el1, *a_other) + results.append(inner(*new_args, **kwargs)) + return results + + elif isinstance(a0, torch.Tensor) and isinstance(a1, torch.Tensor): + if a0.is_quantized: + a0 = a0.dequantize() + if a1.is_quantized: + a1 = a1.dequantize() + + # for the purposes of this util, only handle floats + if a0.dtype != torch.float or a1.dtype != torch.float: + return None + + new_args = (a0, a1, *a_other) + return f(*new_args, **kwargs) + + return inner + + +@maybe_dequantize_first_two_tensor_args_and_handle_tuples +def compute_sqnr(x: torch.Tensor, y: torch.Tensor) -> torch.Tensor: + """ + Computes the SQNR between `x` and `y`. + + Args: + x: Tensor or tuple of tensors + y: Tensor or tuple of tensors + + Return: + float or tuple of floats + """ + Ps = torch.norm(x) + Pn = torch.norm(x - y) + return 20 * torch.log10(Ps / Pn) + + +@maybe_dequantize_first_two_tensor_args_and_handle_tuples +def compute_normalized_l2_error(x: torch.Tensor, y: torch.Tensor) -> torch.Tensor: + """ + Computes the normalized L2 error between `x` and `y`. + + Args: + x: Tensor or tuple of tensors + y: Tensor or tuple of tensors + + Return: + float or tuple of floats + """ + return torch.sqrt(((x - y) ** 2).sum() / (x**2).sum()) + + +@maybe_dequantize_first_two_tensor_args_and_handle_tuples +def compute_cosine_similarity(x: torch.Tensor, y: torch.Tensor) -> torch.Tensor: + """ + Computes the cosine similarity between `x` and `y`. + + Args: + x: Tensor or tuple of tensors + y: Tensor or tuple of tensors + + Return: + float or tuple of floats + """ + # For convolutions, the shape of the quantized weight has one additional + # dimension compared to the shape of the fp32 weight. Match the shapes + # to enable cosine similarity comparison. + x = x.reshape(1, -1) + y = y.reshape(1, -1) + return torch.nn.functional.cosine_similarity(x, y) + + +def op_type_supports_shadowing(node: Node) -> bool: + if node.op == "call_function": + if node.target in ( + torch.add, + torch.mul, + operator.add, + operator.mul, + torch.cat, + torch.stack, + ): + # shadowing for ops with multiple tensor inputs is not implemented yet + return False + return True + + +def get_normalized_nth_input(node: Node, gm: GraphModule, idx: int) -> Node: + """ + Given a node, gets the n'th input to that node, normalizing + args and kwargs to the best of its ability. + """ + try: + norm_args_and_kwargs = node.normalized_arguments( + gm, normalize_to_only_use_kwargs=True + ) + if norm_args_and_kwargs is not None: + norm_args, norm_kwargs = norm_args_and_kwargs + assert len(norm_args) + len(norm_kwargs) > idx + if idx < len(norm_args): + return norm_args[idx] + else: + # note: in Python 3.7+ dicts are ordered + return list(norm_kwargs.values())[idx] + else: + assert len(node.args) + len(node.kwargs) > idx + if idx < len(node.args): + return node.args[idx] # type: ignore[return-value] + else: + kwargs_idx = idx + len(node.args) + return list(node.kwargs.values())[kwargs_idx] # type: ignore[return-value] + except RuntimeError: + # this RuntimeError happens when node argument normalization + # requires typehints to proceed, such as for torch.add where + # either the first, second or both arguments could be tensors + assert len(node.args) + len(node.kwargs) > idx + if idx < len(node.args): + return node.args[idx] # type: ignore[return-value] + else: + kwargs_idx = idx + len(node.args) + return list(node.kwargs.values())[kwargs_idx] # type: ignore[return-value] diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/weight_utils.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/weight_utils.py new file mode 100644 index 0000000000000000000000000000000000000000..fdd87963c2d8a538bd503c7e9057ceb6ed16200c --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/ns/fx/weight_utils.py @@ -0,0 +1,280 @@ +from typing import Callable, Optional + +import torch +import torch.ao.nn.intrinsic as nni +import torch.ao.nn.intrinsic.qat as nniqat +import torch.ao.nn.intrinsic.quantized as nniq +import torch.ao.nn.qat as nnqat +import torch.ao.nn.quantized as nnq +import torch.ao.nn.quantized.dynamic as nnqd +import torch.nn as nn +import torch.nn.functional as F +from torch.fx import GraphModule +from torch.fx.graph import Node + +from .ns_types import NSSingleResultType, NSSingleResultValuesType +from .utils import get_target_type_str, getattr_from_fqn, return_first_non_observer_node + + +toq = torch.ops.quantized + + +def mod_weight_detach(mod: nn.Module) -> torch.Tensor: + return mod.weight.detach() # type: ignore[operator] + + +def mod_0_weight_detach(mod: nn.Module) -> torch.Tensor: + return mod[0].weight.detach() # type: ignore[index] + + +def mod_weight_bias_0(mod: nn.Module) -> torch.Tensor: + return mod._weight_bias()[0] # type: ignore[operator] + + +def get_lstm_weight(mod: nn.Module) -> list[torch.Tensor]: + res = [] + for idx, param_name in enumerate(mod._flat_weights_names): # type: ignore[arg-type] + if "weight_ih_l" in param_name or "weight_hh_l" in param_name: + param_value = mod._flat_weights[idx].detach() # type: ignore[index,union-attr] + res.append(param_value) + return res + + +def get_qlstm_weight(mod: nn.Module) -> list[torch.Tensor]: + res = [] + for weight_value in mod._all_weight_values: # type: ignore[union-attr] + res.append(weight_value.param.__getstate__()[0][4][0].__getstate__()[0][0]) + res.append(weight_value.param.__getstate__()[0][4][1].__getstate__()[0][0]) + return res + + +def get_conv_mod_weight(mod: nn.Module) -> torch.Tensor: + if isinstance(mod, (nn.Conv1d, nn.Conv2d, nn.Conv3d)): + return mod.weight.detach() + elif isinstance(mod, (nni.ConvReLU1d, nni.ConvReLU2d, nni.ConvReLU3d)): + return mod[0].weight.detach() + else: + return mod._weight_bias()[0] # type: ignore[operator] + + +def get_linear_mod_weight(mod: nn.Module) -> torch.Tensor: + if isinstance(mod, nn.Linear): + return mod.weight.detach() + elif isinstance(mod, nni.LinearReLU): + return mod[0].weight.detach() + else: + return mod._weight_bias()[0] # type: ignore[operator] + + +def get_lstm_mod_weights(mod: nn.Module) -> list[torch.Tensor]: + # TODO(future PR): make more generic, handle everything + if isinstance(mod, nn.LSTM): + res = [] + for idx, param_name in enumerate(mod._flat_weights_names): + if "weight_ih_l" in param_name or "weight_hh_l" in param_name: + param_value = mod._flat_weights[idx].detach() # type: ignore[index,union-attr] + res.append(param_value) + return res + else: + assert isinstance(mod, nnqd.LSTM), f"type {type(mod)} not handled yet" + res = [] + for weight_value in mod._all_weight_values: + res.append(weight_value.param.__getstate__()[0][4][0].__getstate__()[0][0]) + res.append(weight_value.param.__getstate__()[0][4][1].__getstate__()[0][0]) + return res + + +def get_conv_fun_weight(node: Node, gm: GraphModule) -> torch.Tensor: + # traverse backwards from the weight arg, accounting for any observers + weight_arg_node = node.args[1] + assert isinstance(weight_arg_node, Node) + weight_node = return_first_non_observer_node(weight_arg_node, gm) + assert isinstance(weight_node, Node) + assert weight_node.op == "get_attr" + weight = getattr_from_fqn(gm, weight_node.target) # type: ignore[arg-type] + return weight.detach() + + +def get_qconv_fun_weight(node: Node, gm: GraphModule) -> torch.Tensor: + # qconv state is arg 1 + qconv_state_node = node.args[1] + assert isinstance(qconv_state_node, Node) + assert qconv_state_node.op == "get_attr" + qconv_state_obj = getattr_from_fqn(gm, qconv_state_node.target) # type: ignore[arg-type] + return qconv_state_obj.weight() + + +def get_linear_fun_weight(node: Node, gm: GraphModule) -> torch.Tensor: + # traverse backwards from the weight arg, accounting for any observers + # supported patterns: + # weight -> obs -> linear + # weight -> to(torch.float16) -> dequantize -> linear + linear_second_arg = node.args[1] + assert isinstance(linear_second_arg, Node) + + if linear_second_arg.op == "call_module": + # weight -> obs -> linear + weight_arg_node = node.args[1] + assert isinstance(weight_arg_node, Node) + weight_node = weight_arg_node.args[0] + assert isinstance(weight_node, Node) + assert weight_node.op == "get_attr" + weight = getattr_from_fqn(gm, weight_node.target) # type: ignore[arg-type] + return weight.detach() + elif linear_second_arg.op == "call_method": + # weight -> to(torch.float16) -> dequantize -> linear + assert linear_second_arg.op == "call_method" + dequant_node = node.args[1] + assert isinstance(dequant_node, Node) + to_fp16_node = dequant_node.args[0] + assert isinstance(to_fp16_node, Node) + # extract the dtype, so we can cast to it before returning + target_dtype = to_fp16_node.args[1] + weight_node = to_fp16_node.args[0] + assert isinstance(weight_node, Node) + assert weight_node.op == "get_attr" + weight = getattr_from_fqn(gm, weight_node.target) # type: ignore[arg-type] + # return the weight with fp16 cast + return weight.detach().to(target_dtype) + else: + assert linear_second_arg.op == "get_attr" + weight = getattr_from_fqn(gm, linear_second_arg.target) # type: ignore[arg-type] + return weight.detach() + + +def get_qlinear_fun_weight(node: Node, gm: GraphModule) -> torch.Tensor: + # packed weight is arg 1 + packed_weight_node = node.args[1] + assert isinstance(packed_weight_node, Node) + assert packed_weight_node.op == "get_attr" + packed_weight = getattr_from_fqn(gm, packed_weight_node.target) # type: ignore[arg-type] + # TODO(future PR): why does packed_weight.unpack() not work? + (weight, _bias), _name = packed_weight.__getstate__() + return weight + + +def get_op_to_type_to_weight_extraction_fn() -> dict[str, dict[Callable, Callable]]: + op_to_type_to_weight_extraction_fn: dict[str, dict[Callable, Callable]] = { + "call_module": { + # Conv1d + nn.Conv1d: mod_weight_detach, + nni.ConvReLU1d: mod_0_weight_detach, + nnq.Conv1d: mod_weight_bias_0, + nnqat.Conv1d: mod_weight_detach, + nniqat.ConvBn1d: mod_weight_detach, + nniqat.ConvBnReLU1d: mod_weight_detach, + nniqat.ConvReLU1d: mod_weight_detach, + nniq.ConvReLU1d: mod_weight_bias_0, + # Conv2d + nn.Conv2d: mod_weight_detach, + nni.ConvReLU2d: mod_0_weight_detach, + nnq.Conv2d: mod_weight_bias_0, + nnqat.Conv2d: mod_weight_detach, + nniqat.ConvBn2d: mod_weight_detach, + nniqat.ConvBnReLU2d: mod_weight_detach, + nniqat.ConvReLU2d: mod_weight_detach, + nniq.ConvReLU2d: mod_weight_bias_0, + # Conv3d + nn.Conv3d: mod_weight_detach, + nni.ConvReLU3d: mod_0_weight_detach, + nnq.Conv3d: mod_weight_bias_0, + nnqat.Conv3d: mod_weight_detach, + nniqat.ConvBn3d: mod_weight_detach, + nniqat.ConvBnReLU3d: mod_weight_detach, + nniqat.ConvReLU3d: mod_weight_detach, + nniq.ConvReLU3d: mod_weight_bias_0, + # Linear + nn.Linear: mod_weight_detach, + nnq.Linear: mod_weight_bias_0, + nni.LinearReLU: mod_0_weight_detach, + nniq.LinearReLU: mod_weight_bias_0, + nnqat.Linear: mod_weight_detach, + nnqd.Linear: mod_weight_bias_0, + nniqat.LinearReLU: mod_weight_detach, + nniqat.LinearBn1d: mod_weight_detach, + nn.modules.linear.NonDynamicallyQuantizableLinear: mod_weight_detach, + # LSTM + nn.LSTM: get_lstm_weight, + nnqd.LSTM: get_qlstm_weight, + }, + "call_function": { + # Conv + F.conv1d: get_conv_fun_weight, + F.conv2d: get_conv_fun_weight, + F.conv3d: get_conv_fun_weight, + toq.conv1d: get_qconv_fun_weight, + toq.conv2d: get_qconv_fun_weight, + toq.conv3d: get_qconv_fun_weight, + toq.conv1d_relu: get_qconv_fun_weight, + toq.conv2d_relu: get_qconv_fun_weight, + toq.conv3d_relu: get_qconv_fun_weight, + # Linear + F.linear: get_linear_fun_weight, + toq.linear: get_qlinear_fun_weight, + toq.linear_relu: get_qlinear_fun_weight, + }, + } + + return op_to_type_to_weight_extraction_fn + + +def extract_weight_from_node( + node: Node, + gm: GraphModule, + op_to_type_to_weight_extraction_fn: Optional[ + dict[str, dict[Callable, Callable]] + ] = None, +) -> Optional[NSSingleResultType]: + res_type = NSSingleResultValuesType.WEIGHT.value + + # Not all graphmodules have _node_name_to_scope, so only fill it + # out if it exists. + fqn = None + if hasattr(gm, "_node_name_to_scope"): + fqn = gm._node_name_to_scope[node.name][0] # type: ignore[index] + + if op_to_type_to_weight_extraction_fn is None: + op_to_type_to_weight_extraction_fn = get_op_to_type_to_weight_extraction_fn() + + ref_node_type = get_target_type_str(node, gm) + # for extracting weights, these are always the same + prev_node_type = ref_node_type + + if node.op == "call_function": + function_mapping = op_to_type_to_weight_extraction_fn["call_function"] + for target_fn_type, weight_extraction_fn in function_mapping.items(): + if node.target == target_fn_type: + weight = weight_extraction_fn(node, gm) + return { + "type": res_type, + "values": [weight], + "prev_node_name": node.name, + "prev_node_target_type": prev_node_type, + "ref_node_name": node.name, + "ref_node_target_type": ref_node_type, + "index_within_arg": 0, + "index_of_arg": 0, + "fqn": fqn, + } + + elif node.op == "call_module": + # for call_module, we need to look up the modules to do the type check + assert isinstance(node.target, str) + mod = getattr_from_fqn(gm, node.target) + module_mapping = op_to_type_to_weight_extraction_fn["call_module"] + for target_mod_type, weight_extraction_fn in module_mapping.items(): + if type(mod) == target_mod_type: + weight = weight_extraction_fn(mod) + return { + "type": res_type, + "values": [weight], + "prev_node_name": node.name, + "prev_node_target_type": prev_node_type, + "ref_node_name": node.name, + "ref_node_target_type": ref_node_type, + 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b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/activation_sparsifier/activation_sparsifier.py @@ -0,0 +1,471 @@ +# mypy: allow-untyped-defs +import copy +import warnings +from collections import defaultdict +from typing import Any, Optional + +import torch +from torch import nn +from torch.ao.pruning.sparsifier.utils import fqn_to_module, module_to_fqn + + +__all__ = ["ActivationSparsifier"] + + +class ActivationSparsifier: + r""" + The Activation sparsifier class aims to sparsify/prune activations in a neural + network. The idea is to attach the sparsifier to a layer (or layers) and it + zeroes out the activations based on the mask_fn (or sparsification function) + input by the user. + The mask_fn is applied once all the inputs are aggregated and reduced i.e. + mask = mask_fn(reduce_fn(aggregate_fn(activations))) + + Note:: + The sparsification mask is computed on the input **before it goes through the attached layer**. + + Args: + model (nn.Module): + The model whose layers will be sparsified. The layers that needs to be + sparsified should be added separately using the register_layer() function + aggregate_fn (Optional, Callable): + default aggregate_fn that is used if not specified while registering the layer. + specifies how inputs should be aggregated over time. + The aggregate_fn should usually take 2 torch tensors and return the aggregated tensor. + Example + def add_agg_fn(tensor1, tensor2): return tensor1 + tensor2 + reduce_fn (Optional, Callable): + default reduce_fn that is used if not specified while registering the layer. + reduce_fn will be called on the aggregated tensor i.e. the tensor obtained after + calling agg_fn() on all inputs. + Example + def mean_reduce_fn(agg_tensor): return agg_tensor.mean(dim=0) + mask_fn (Optional, Callable): + default mask_fn that is used to create the sparsification mask using the tensor obtained after + calling the reduce_fn(). This is used by default if a custom one is passed in the + register_layer(). + Note that the mask_fn() definition should contain the sparse arguments that is passed in sparse_config + arguments. + features (Optional, list): + default selected features to sparsify. + If this is non-empty, then the mask_fn will be applied for each feature of the input. + For example, + mask = [mask_fn(reduce_fn(aggregated_fn(input[feature])) for feature in features] + feature_dim (Optional, int): + default dimension of input features. Again, features along this dim will be chosen + for sparsification. + sparse_config (Dict): + Default configuration for the mask_fn. This config will be passed + with the mask_fn() + + Example: + >>> # xdoctest: +SKIP + >>> model = SomeModel() + >>> act_sparsifier = ActivationSparsifier(...) # init activation sparsifier + >>> # Initialize aggregate_fn + >>> def agg_fn(x, y): + >>> return x + y + >>> + >>> # Initialize reduce_fn + >>> def reduce_fn(x): + >>> return torch.mean(x, dim=0) + >>> + >>> # Initialize mask_fn + >>> def mask_fn(data): + >>> return torch.eye(data.shape).to(data.device) + >>> + >>> + >>> act_sparsifier.register_layer(model.some_layer, aggregate_fn=agg_fn, reduce_fn=reduce_fn, mask_fn=mask_fn) + >>> + >>> # start training process + >>> for _ in [...]: + >>> # epoch starts + >>> # model.forward(), compute_loss() and model.backwards() + >>> # epoch ends + >>> act_sparsifier.step() + >>> # end training process + >>> sparsifier.squash_mask() + """ + + def __init__( + self, + model: nn.Module, + aggregate_fn=None, + reduce_fn=None, + mask_fn=None, + features=None, + feature_dim=None, + **sparse_config, + ): + self.model = model + self.defaults: dict[str, Any] = defaultdict() + self.defaults["sparse_config"] = sparse_config + + # functions + self.defaults["aggregate_fn"] = aggregate_fn + self.defaults["reduce_fn"] = reduce_fn + self.defaults["mask_fn"] = mask_fn + + # default feature and feature_dim + self.defaults["features"] = features + self.defaults["feature_dim"] = feature_dim + + self.data_groups: dict[str, dict] = defaultdict( + dict + ) # contains all relevant info w.r.t each registered layer + + self.state: dict[str, Any] = defaultdict(dict) # layer name -> mask + + @staticmethod + def _safe_rail_checks(args): + """Makes sure that some of the functions and attributes are not passed incorrectly""" + + # if features are not None, then feature_dim must not be None + features, feature_dim = args["features"], args["feature_dim"] + if features is not None: + assert feature_dim is not None, "need feature dim to select features" + + # all the *_fns should be callable + fn_keys = ["aggregate_fn", "reduce_fn", "mask_fn"] + for key in fn_keys: + fn = args[key] + assert callable(fn), "function should be callable" + + def _aggregate_hook(self, name): + """Returns hook that computes aggregate of activations passing through.""" + + # gather some data + feature_dim = self.data_groups[name]["feature_dim"] + features = self.data_groups[name]["features"] + agg_fn = self.data_groups[name]["aggregate_fn"] + + def hook(module, input) -> None: + input_data = input[0] + + data = self.data_groups[name].get("data") # aggregated data + if features is None: + # no features associated, data should not be a list + if data is None: + data = torch.zeros_like(input_data) + self.state[name]["mask"] = torch.ones_like(input_data) + out_data = agg_fn(data, input_data) + else: + # data should be a list [aggregated over each feature only] + if data is None: + out_data = [ + 0 for _ in range(0, len(features)) + ] # create one incase of 1st forward + self.state[name]["mask"] = [0 for _ in range(0, len(features))] + else: + out_data = data # a list + + # compute aggregate over each feature + for feature_idx in range(len(features)): + # each feature is either a list or scalar, convert it to torch tensor + feature_tensor = ( + torch.Tensor([features[feature_idx]]) + .long() + .to(input_data.device) + ) + data_feature = torch.index_select( + input_data, feature_dim, feature_tensor + ) + if data is None: + curr_data = torch.zeros_like(data_feature) + self.state[name]["mask"][feature_idx] = torch.ones_like( + data_feature + ) + else: + curr_data = data[feature_idx] + out_data[feature_idx] = agg_fn(curr_data, data_feature) + self.data_groups[name]["data"] = out_data + + return hook + + def register_layer( + self, + layer: nn.Module, + aggregate_fn=None, + reduce_fn=None, + mask_fn=None, + features=None, + feature_dim=None, + **sparse_config, + ): + r""" + Registers a layer for sparsification. The layer should be part of self.model. + Specifically, registers a pre-forward hook to the layer. The hook will apply the aggregate_fn + and store the aggregated activations that is input over each step. + + Note:: + - There is no need to pass in the name of the layer as it is automatically computed as per + the fqn convention. + + - All the functions (fn) passed as argument will be called at a dim, feature level. + """ + name = module_to_fqn(self.model, layer) + assert name is not None, "layer not found in the model" # satisfy mypy + + if name in self.data_groups: # unregister layer if already present + warnings.warn( + "layer already attached to the sparsifier, deregistering the layer and registering with new config" + ) + self.unregister_layer(name=name) + + local_args = copy.deepcopy(self.defaults) + update_dict = { + "aggregate_fn": aggregate_fn, + "reduce_fn": reduce_fn, + "mask_fn": mask_fn, + "features": features, + "feature_dim": feature_dim, + "layer": layer, + } + local_args.update( + (arg, val) for arg, val in update_dict.items() if val is not None + ) + local_args["sparse_config"].update(sparse_config) + + self._safe_rail_checks(local_args) + + self.data_groups[name] = local_args + agg_hook = layer.register_forward_pre_hook(self._aggregate_hook(name=name)) + + self.state[name][ + "mask" + ] = None # mask will be created when model forward is called. + + # attach agg hook + self.data_groups[name]["hook"] = agg_hook + + # for serialization purposes, we know whether aggregate_hook is attached + # or sparsify_hook() + self.data_groups[name]["hook_state"] = "aggregate" # aggregate hook is attached + + def get_mask(self, name: Optional[str] = None, layer: Optional[nn.Module] = None): + """ + Returns mask associated to the layer. + + The mask is + - a torch tensor is features for that layer is None. + - a list of torch tensors for each feature, otherwise + + Note:: + The shape of the mask is unknown until model.forward() is applied. + Hence, if get_mask() is called before model.forward(), an + error will be raised. + """ + assert ( + name is not None or layer is not None + ), "Need at least name or layer obj to retrieve mask" + + if name is None: + assert layer is not None + name = module_to_fqn(self.model, layer) + assert name is not None, "layer not found in the specified model" + + if name not in self.state: + raise ValueError("Error: layer with the given name not found") + + mask = self.state[name].get("mask", None) + + if mask is None: + raise ValueError( + "Error: shape unknown, call layer() routine at least once to infer mask" + ) + return mask + + def unregister_layer(self, name): + """Detaches the sparsifier from the layer""" + + # detach any hooks attached + self.data_groups[name]["hook"].remove() + + # pop from the state dict + self.state.pop(name) + + # pop from the data groups + self.data_groups.pop(name) + + def step(self): + """Internally calls the update_mask() function for each layer""" + with torch.no_grad(): + for name, configs in self.data_groups.items(): + data = configs["data"] + self.update_mask(name, data, configs) + + self.data_groups[name].pop("data") # reset the accumulated data + + def update_mask(self, name, data, configs): + """ + Called for each registered layer and does the following- + 1. apply reduce_fn on the aggregated activations + 2. use mask_fn to compute the sparsification mask + + Note: + the reduce_fn and mask_fn is called for each feature, dim over the data + """ + mask = self.get_mask(name) + sparse_config = configs["sparse_config"] + features = configs["features"] + reduce_fn = configs["reduce_fn"] + mask_fn = configs["mask_fn"] + if features is None: + data = reduce_fn(data) + mask.data = mask_fn(data, **sparse_config) + else: + for feature_idx in range(len(features)): + data_feature = reduce_fn(data[feature_idx]) + mask[feature_idx].data = mask_fn(data_feature, **sparse_config) + + def _sparsify_hook(self, name): + """Returns hook that applies sparsification mask to input entering the attached layer""" + mask = self.get_mask(name) + features = self.data_groups[name]["features"] + feature_dim = self.data_groups[name]["feature_dim"] + + def hook(module, input): + input_data = input[0] + if features is None: + # apply to all the features + return input_data * mask + else: + # apply per feature, feature_dim + for feature_idx in range(0, len(features)): + feature = ( + torch.Tensor([features[feature_idx]]) + .long() + .to(input_data.device) + ) + sparsified = ( + torch.index_select(input_data, feature_dim, feature) + * mask[feature_idx] + ) + input_data.index_copy_(feature_dim, feature, sparsified) + return input_data + + return hook + + def squash_mask(self, attach_sparsify_hook=True, **kwargs): + """ + Unregisters aggregate hook that was applied earlier and registers sparsification hooks if + attach_sparsify_hook = True. + """ + for name, configs in self.data_groups.items(): + # unhook agg hook + configs["hook"].remove() + configs.pop("hook") + self.data_groups[name]["hook_state"] = "None" + if attach_sparsify_hook: + configs["hook"] = configs["layer"].register_forward_pre_hook( + self._sparsify_hook(name) + ) + configs[ + "hook_state" + ] = "sparsify" # signals that sparsify hook is now attached + + def _get_serializable_data_groups(self): + """Exclude hook and layer from the config keys before serializing + + TODO: Might have to treat functions (reduce_fn, mask_fn etc) in a different manner while serializing. + For time-being, functions are treated the same way as other attributes + """ + data_groups: dict[str, Any] = defaultdict() + for name, config in self.data_groups.items(): + new_config = { + key: value + for key, value in config.items() + if key not in ["hook", "layer"] + } + data_groups[name] = new_config + return data_groups + + def _convert_mask(self, states_dict, sparse_coo=True): + r"""Converts the mask to sparse coo or dense depending on the `sparse_coo` argument. + If `sparse_coo=True`, then the mask is stored as sparse coo else dense tensor + """ + states = copy.deepcopy(states_dict) + for state in states.values(): + if state["mask"] is not None: + if isinstance(state["mask"], list): + for idx in range(len(state["mask"])): + if sparse_coo: + state["mask"][idx] = state["mask"][idx].to_sparse_coo() + else: + state["mask"][idx] = state["mask"][idx].to_dense() + else: + if sparse_coo: + state["mask"] = state["mask"].to_sparse_coo() + else: + state["mask"] = state["mask"].to_dense() + return states + + def state_dict(self) -> dict[str, Any]: + r"""Returns the state of the sparsifier as a :class:`dict`. + + It contains: + * state - contains name -> mask mapping. + * data_groups - a dictionary containing all config information for each + layer + * defaults - the default config while creating the constructor + """ + data_groups = self._get_serializable_data_groups() + state = self._convert_mask(self.state) + return {"state": state, "data_groups": data_groups, "defaults": self.defaults} + + def load_state_dict(self, state_dict: dict[str, Any]) -> None: + r"""The load_state_dict() restores the state of the sparsifier based on the state_dict + + Args: + * state_dict - the dictionary that to which the current sparsifier needs to be restored to + """ + state = state_dict["state"] + data_groups, defaults = state_dict["data_groups"], state_dict["defaults"] + + self.__set_state__( + {"state": state, "data_groups": data_groups, "defaults": defaults} + ) + + def __get_state__(self) -> dict[str, Any]: + data_groups = self._get_serializable_data_groups() + state = self._convert_mask(self.state) + return { + "defaults": self.defaults, + "state": state, + "data_groups": data_groups, + } + + def __set_state__(self, state: dict[str, Any]) -> None: + state["state"] = self._convert_mask( + state["state"], sparse_coo=False + ) # convert mask to dense tensor + self.__dict__.update(state) + + # need to attach layer and hook info into the data_groups + for name, config in self.data_groups.items(): + # fetch layer + layer = fqn_to_module(self.model, name) + assert layer is not None # satisfy mypy + + # if agg_mode is True, then layer in aggregate mode + if "hook_state" in config and config["hook_state"] == "aggregate": + hook = layer.register_forward_pre_hook(self._aggregate_hook(name)) + + elif "hook_state" in config and config["hook_state"] == "sparsify": + hook = layer.register_forward_pre_hook(self._sparsify_hook(name)) + + config["layer"] = layer + config["hook"] = hook # type: ignore[possibly-undefined] + + def __repr__(self): + format_string = self.__class__.__name__ + " (" + for name, config in self.data_groups.items(): + format_string += "\n" + format_string += "\tData Group\n" + format_string += f"\t name: {name}\n" + for key in sorted(config.keys()): + if key in ["data", "hook", "reduce_fn", "mask_fn", "aggregate_fn"]: + continue + format_string += f"\t {key}: {config[key]}\n" + format_string += ")" + return format_string diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_scheduler/__init__.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_scheduler/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..1a7564fe408b36e5fb62eb4cb2272ef432095981 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_scheduler/__init__.py @@ -0,0 +1,6 @@ +from .base_data_scheduler import BaseDataScheduler + + +__all__ = [ + "BaseDataScheduler", +] diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_scheduler/__pycache__/__init__.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_scheduler/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..c8918dde3b29ccfd2a9d486037944221bb8ba195 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_scheduler/__pycache__/__init__.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_scheduler/__pycache__/base_data_scheduler.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_scheduler/__pycache__/base_data_scheduler.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..51a3f87fbcb68f31cddc4c9e2324768df1141af1 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_scheduler/__pycache__/base_data_scheduler.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_scheduler/base_data_scheduler.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_scheduler/base_data_scheduler.py new file mode 100644 index 0000000000000000000000000000000000000000..3f685661bd9fcbdf72775c20c8436567aadbfcd1 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_scheduler/base_data_scheduler.py @@ -0,0 +1,195 @@ +# mypy: allow-untyped-defs +import abc +import warnings +import weakref +from functools import wraps + +from torch.ao.pruning._experimental.data_sparsifier import BaseDataSparsifier + + +__all__ = ["BaseDataScheduler"] + + +class BaseDataScheduler: + r""" + The BaseDataScheduler is the abstract scheduler class specifically for the + BaseDataSparsifier class. This class controls a specific hyperparameter of + the sparsifier class and varies it across the training process (or across time). + + Args: + data_sparsifier (instance of BaseDataSparsifier) + Implemented class data sparsifier class wherein the update_mask is implemented + schedule_param (str) + A specific hyperparameter of the passed sparsifier that needs to be scheduled/varied + last_epoch (int, default=-1) + This is specifically is passed when training needs to be resumed from a particular + point. + verbose (bool, default=False) + Verbosity of the BaseDataScheduler + + The *get_hyperparam()* function needs to be implemented by the user. + """ + + def __init__( + self, data_sparsifier, schedule_param: str, last_epoch=-1, verbose=False + ): + # Attach sparsifier + if not isinstance(data_sparsifier, BaseDataSparsifier): + raise TypeError( + f"{type(data_sparsifier).__name__} is not an instance of torch.ao.pruning.BaseDataSparsifier" + ) + self.data_sparsifier = data_sparsifier + self.schedule_param = schedule_param + + # Initialize epoch and base hyper-params + self.base_param = { + name: config.get(schedule_param, None) + for name, config in self.data_sparsifier.data_groups.items() + } + + self.last_epoch = last_epoch + + # Following https://github.com/pytorch/pytorch/issues/20124 + # We would like to ensure that `scheduler.step()` is called after + # `sparsifier.step()` + def with_counter(method): + if getattr(method, "_with_counter", False): + # `sparsifier.step()` has already been replaced, return. + return method + + # Keep a weak reference to the sparsifier instance to prevent + # cyclic references. + instance_ref = weakref.ref(method.__self__) + # Get the unbound method for the same purpose. + func = method.__func__ + cls = instance_ref().__class__ + del method + + @wraps(func) + def wrapper(*args, **kwargs): + instance = instance_ref() + instance._step_count += 1 # type: ignore[union-attr] + wrapped = func.__get__(instance, cls) + return wrapped(*args, **kwargs) + + # Note that the returned function here is no longer a bound method, + # so attributes like `__func__` and `__self__` no longer exist. + wrapper._with_counter = True # type: ignore[attr-defined] + return wrapper + + self.data_sparsifier.step = with_counter(self.data_sparsifier.step) # type: ignore[assignment] + self.data_sparsifier._step_count = 0 # type: ignore[attr-defined] + self._step_count: int = 0 + self.verbose = verbose + + # Housekeeping + self._get_sp_called_within_step: bool = False # sp -> schedule parameter + self.step() + + @abc.abstractmethod + def get_schedule_param(self): + r""" + Abstract method that needs to be implemented by the child class. + The expected return type should is a dictionary of name to schedule_param value + The returned values will be updated in sparsifier when the scheduler step() function + is called. + + Example: + >>> def get_schedule_param(self): + ... new_param = {} + ... for name in self.sparsifier.data_groups.keys(): + ... new_param[name] = self.sparsifier.data_groups[name][self.schedule_param] * 0.5 + ... return new_param + + When the step() function is called, the value in self.sparsifier.data_groups[name][self.schedule_param] + would be halved + """ + raise NotImplementedError + + def __repr__(self): + format_string = self.__class__.__name__ + " (" + format_string += "\n" + format_string += f"Data Sparsifier {self.data_sparsifier}\n" + format_string += f" {self.schedule_param}: {self.base_param}\n" + format_string += ")" + return format_string + + def state_dict(self): + """Returns the state of the scheduler as a :class:`dict`. + + It contains an entry for every variable in self.__dict__ which + is not the sparsifier. + + Note: + The scheduler class does not track the state of the data_sparsifier. + Make sure to store the state of the sparsifier before storing the + state of the scheduler + """ + return { + key: value + for key, value in self.__dict__.items() + if key != "data_sparsifier" + } + + def load_state_dict(self, state_dict): + """Loads the schedulers state. + + Note: + Remember to restore the state of the data_sparsifier before the scheduler. + + Args: + state_dict (dict): scheduler state. Should be an object returned + from a call to :meth:`state_dict`. + """ + self.__dict__.update(state_dict) + + def get_last_param(self): + return self._last_param + + def step(self): + # Raise warning if trying to call scheduler step before the sparsifier. + # https://github.com/pytorch/pytorch/issues/20124 + if self._step_count == 1: + if not hasattr(self.data_sparsifier.step, "_with_counter"): + warnings.warn( + "Seems like `data_sparsifier.step()` has been overridden after sparsity scheduler " + "initialization. Please, make sure to call `data_sparsifier.step()` before " + "`scheduler.step()`.", + UserWarning, + ) + + # Just check if there were two first scheduler.step() calls before sparsifier.step() + elif self.data_sparsifier._step_count < 1: # type: ignore[attr-defined] + warnings.warn( + "Detected call of `scheduler.step()` before `data_sparsifier.step()`. " + "You have to make sure you run the data_sparsifier.step() BEFORE any " + "calls to the scheduler.step().", + UserWarning, + ) + self._step_count += 1 + + class _enable_get_sp_call: + def __init__(self, o): + self.o = o + + def __enter__(self): + self.o._get_sp_called_within_step = True + return self + + def __exit__(self, type, value, traceback): + self.o._get_sp_called_within_step = False + + with _enable_get_sp_call(self): + self.last_epoch += 1 + updated_scheduler_params = self.get_schedule_param() + + for name, param in updated_scheduler_params.items(): + self.data_sparsifier.data_groups[name][self.schedule_param] = param + if self.verbose: + print(f"Adjusting {self.schedule_param} for group {name} to {param}") + + self._last_param = { + name: config.get(self.schedule_param, None) + for name, config in self.data_sparsifier.data_groups.items() + } + self.data_sparsifier.enable_mask_update = True diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/__init__.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..b1b5b9b96ec96fffdb0b66e21686a927a0c41b4a --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/__init__.py @@ -0,0 +1,8 @@ +from .base_data_sparsifier import BaseDataSparsifier +from .data_norm_sparsifier import DataNormSparsifier + + +__all__ = [ + "BaseDataSparsifier", + "DataNormSparsifier", +] diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/__pycache__/__init__.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..39d17c9a7cda88393ec18c99a604463e00192324 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/__pycache__/__init__.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/__pycache__/base_data_sparsifier.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/__pycache__/base_data_sparsifier.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..2bfafe6d39c0e54e2271d008cc9de91118a81547 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/__pycache__/base_data_sparsifier.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/__pycache__/data_norm_sparsifier.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/__pycache__/data_norm_sparsifier.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..d6b9da88e20d13ca0f9b939608f34a89119219e4 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/__pycache__/data_norm_sparsifier.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/__pycache__/quantization_utils.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/__pycache__/quantization_utils.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..f353f906f8e2154cf94d2a7ff51f1a11d8217ee8 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/__pycache__/quantization_utils.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/base_data_sparsifier.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/base_data_sparsifier.py new file mode 100644 index 0000000000000000000000000000000000000000..1c5e698e8b4a237dad77b5d4d18b77a0de8ea37c --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/base_data_sparsifier.py @@ -0,0 +1,331 @@ +# mypy: allow-untyped-defs +import abc +import copy +import sys +import warnings +from collections import defaultdict +from typing import Any, Optional + +import torch +from torch import nn +from torch.ao.pruning.sparsifier import base_sparsifier, utils +from torch.nn.utils import parametrize + + +if not sys.warnoptions: + # to suppress repeated warnings when being used in a training loop. + warnings.simplefilter("once") + +__all__ = ["BaseDataSparsifier"] + +EMBEDDING_TYPES = { + nn.Embedding, + nn.EmbeddingBag, +} + +SUPPORTED_TYPES = { + torch.Tensor, + nn.Parameter, + *EMBEDDING_TYPES, +} + + +class _Container(nn.Module): + pass + + +class BaseDataSparsifier(base_sparsifier.BaseSparsifier): + r""" + Base Data Sparsifier class for all Data sparsifiers. + The abstract class accepts raw torch tensors / embedding / embedding bags (refer to SUPPORTED_TYPES above) + to prepare for sparsification. + In this case, mask (and parametrizations) is owned by the class and not by the user. + Specifically, the container object inside the class maintains the mask and parametrizations of the input data + + Args: + data_list (list of tuples) + list of (name, data) tuples to sparsify. Lookup SUPPORTED_TYPES + for type of data. Internally, a container module handles the data sparsification. + + defaults (dict) + default configurations will be attached to the + configuration. Only the keys that don't exist in the `config` will + be updated. + Example:: + >>> # xdoctest: +SKIP + >>> data_list = [('tensor_1', torch.randn(3,3)), ('tensor_2', torch.randn(4,4))] + >>> defaults = {'sparsity_level': 0.7} + >>> sparsifier = DerivedDataSparsifier(data_list = data_list, **defaults) # Some sparsifier that inherits BaseDataSparsifier + >>> new_tensor_to_add = {'name': 'tensor_3', 'data': torch.randn(5,5), 'sparsity_level': 0.3} + >>> sparsifier.add_data(**new_tensor_to_add) + >>> # tensor_1 and tensor_2 will have sparsity_level of 0.7 but tensor_3 will have sparsity_level=0.3 + """ + + def __init__(self, data_list: Optional[list[tuple[str, Any]]] = None, **defaults): + super().__init__(defaults=defaults) + + self._container = _Container() + + self.data_groups: dict[str, dict] = defaultdict(dict) # name -> {**config} + if data_list is not None: + # add data with default config here + [self.add_data(name, data, **self.defaults) for name, data in data_list] + + def prepare(self, model, config): + raise NotImplementedError("this function is undefined for this class") + + def _extract_weight(self, data): + # extract the weight parameter instead of underlying data + if type(data) in [torch.Tensor, nn.Parameter]: + return data + elif type(data) in EMBEDDING_TYPES: + return data.weight + + def add_data(self, name: str, data, reuse_mask=True, **config): + r"""Configures and parametrizes the internal container model with name and data. + + **Note**: + 1. If the data with name already exists, it replaces the data. + 2. While replacing, the old mask is reused when `reuse_mask=True` + 3. If `reuse_mask=True`, then the replacing data needs to have the same shape as that of old data. + 4. By default, the config of the replaced data is used as config for the replacing data, unless something + is specified in the config dictionary. + """ + assert ( + type(data) in SUPPORTED_TYPES + ), "specified data type not supported at the moment" + local_args = copy.deepcopy(self.defaults) + local_args.update(config) + weight = self._extract_weight(data) + + # Bookkeeping in the container class + mask = local_args.get("mask", torch.ones_like(weight)) + param_class = local_args.get("parametrization", utils.FakeSparsity) + + if name in self.state: + # If the named data already exists - replace + warnings.warn( + "Replacing existing data of the same name. - Did you mean a different name?" + ) + + # reuse old config + old_args = self.data_groups[name] + local_args = copy.deepcopy(old_args) + local_args.update(config) + + if reuse_mask: + current_data = self.get_data(name=name) + assert ( + weight.shape == current_data.shape + ), "to retain the old mask, the shape of the new data must be the same as the previous one" + mask = self.get_mask( + name=name + ) # reuse mask instead of creating a new one + + self._delete_data(name=name) + + # parameter creates a deepcopy of the weight inside, so create a buffer + self._container.register_buffer(name=name, tensor=weight) + parametrize.register_parametrization(self._container, name, param_class(mask)) + self.state[name]["mask"] = mask + self.data_groups[name] = local_args + return getattr(self._container, name) + + def get_data(self, name: str, return_original: bool = True): + r"""Returns weight tensor (or data) + Args: + - name: name of the data to be returned + - return_original returns weight tensor without applying parametrization if True + else - returns the sparsified version (parametrized) + """ + if name not in self.data_groups: + raise ValueError("data with specified name does not exist") + + if return_original: + if not parametrize.is_parametrized(self._container, name): + raise ValueError("mask squashed - original mask value does not exist") + data = getattr(self._container.parametrizations, name).original + return data + else: + return getattr(self._container, name) + + def _convert_mask(self, states, sparse_coo=True): + r"""Converts the mask to sparse coo or dense tensors depending on the `sparse_coo` argument.""" + states = copy.deepcopy(states) + for state in states.values(): + if sparse_coo: + state["mask"] = state["mask"].to_sparse_coo() + else: + state["mask"] = state["mask"].to_dense() + + return states + + def state_dict(self): + r"""Returns the state of the optimizer as a :class:`dict`. + + It contains: + * state - contains name -> mask mapping. + * data_groups - a list containing all sparsity configuration groups + with the key name specifying the name of the data + * container_state_dict - the state dictionary of the internal + container model used for sparsification + """ + state = self._convert_mask(self.state) + return { + "state": state, + "data_groups": self.data_groups, + "_container": self._container.state_dict(), + } + + def _load_container_from_state(self, states, data_groups, container_state_dict): + r"""This restores the state of the container specifically based on the data present in state and data_groups + If the data was parametrized, then the data would be added to the container and then parametrized, + else it would just add the attribute the container. + """ + for name, state in states.items(): + config_name = data_groups.get(name, None) + if config_name is None: + raise RuntimeError(f"Error loading {name}") + + # check if the data with such a name was parametrized, if so parametrize + # otherwise just set the attribute and continue + parametrized_name = f"parametrizations.{name}.original" + parametrized = False + data = container_state_dict.get(name, None) + if name in container_state_dict: + # the parametrization was probably removed for this + data = container_state_dict.get(name) + + elif parametrized_name in container_state_dict: + # so the weight was parametrized + data = container_state_dict.get(parametrized_name) + parametrized = True + + else: + raise RuntimeError(f"Error loading {name}") + + self._container.register_buffer(name=name, tensor=data) + + if parametrized: + # register parameter if parametrized + mask = state.get("mask", torch.ones_like(data)) + param_class = data_groups.get( + "parametrization", utils.FakeSparsity + ) # change once public_api for utils is fixed! + parametrize.register_parametrization( + self._container, name, param_class(mask) + ) + + def load_state_dict(self, state_dict, strict=True): + r"""The load_state_dict() restores the state of the sparsifier based on the state_dict + + Args: + * state_dict - the dictionary that to which the current sparsifier needs to be restored to + * strict - If True - the sparsifier is reset and is restored exactly to the state in state_dict. + If False - the current sparsifier is not reset before loading the state_dict i.e. data added + before loading the state_dict is not erased. + """ + states = copy.deepcopy(state_dict["state"]) + data_groups = copy.deepcopy(state_dict["data_groups"]) + container_state_dict = copy.deepcopy(state_dict["_container"]) + + states = self._convert_mask( + states, sparse_coo=False + ) # convert sparse coo mask to dense + if strict: + # if strict load -> then reset container + self._container = _Container() + + self._load_container_from_state(states, data_groups, container_state_dict) + + if not strict: + states.update(self.state) + data_groups.update(self.data_groups) + + self.__setstate__({"state": states, "data_groups": data_groups}) + + def __setstate__(self, state): + if "_container" in state: # If container object is in state then load model + container_dict = state.pop("_container") + self._container = _Container() + state["state"] = self._convert_mask( + state["state"], sparse_coo=False + ) # convert sparse coo mask to dense + self._load_container_from_state( + state["state"], state["data_groups"], container_dict + ) + + self.__dict__.update(state) + + def __getstate__(self): + state = self._convert_mask(self.state) + return { + "defaults": self.defaults, + "state": state, + "data_groups": self.data_groups, + "_container": self._container.state_dict(), + } + + def __repr__(self): # type:ignore[override] + format_string = self.__class__.__name__ + " (" + for name, sparse_args in self.data_groups.items(): + format_string += "\n" + format_string += "\tData Group\n" + format_string += f"\t name: {name}\n" + for key in sorted(sparse_args.keys()): + if key == "data": + continue + format_string += f"\t {key}: {sparse_args[key]}\n" + format_string += ")" + return format_string + + def get_mask(self, name: str): + if name not in self.state: + raise ValueError("data with specified name does not exist") + return self.state[name]["mask"] + + def squash_mask(self, *args, leave_parametrized=True, names=None, **kwargs): + r"""Squashes the sparse masks into the appropriate tensors. Also, accepts list of strings + to squash mask for. If none, squashes mask for all the keys + kwargs: + * names: list of strings to squash mask for + * sparsified: if true - applies the mask before squashing + if false - does not apply the mask before squashing + """ + if names is None: + names = list(self.data_groups.keys()) + for name in names: + parametrize.remove_parametrizations( + self._container, name, leave_parametrized=leave_parametrized + ) + + def step(self): # type:ignore[override] + if not self.enable_mask_update: + return + with torch.no_grad(): + for name, config in self.data_groups.items(): + # get non-sparsified data + data = self.get_data(name) + # need name for the mask otherwise can directly pass mask? + self.update_mask(name, data, **config) + + @abc.abstractmethod + def update_mask(self, name, data, **kwargs): + pass + + def _delete_data(self, name): + """Detaches some data from the sparsifier. + + Args: + name (str) + Name of the data to be removed from the sparsifier + + Note: + Currently private. Kind of used as a helper function when replacing data of the same name + """ + self.squash_mask( + names=[name], leave_parametrized=False + ) # do not apply the mask while deleting + delattr(self._container, name) + self.state.pop(name) + self.data_groups.pop(name) diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/data_norm_sparsifier.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/data_norm_sparsifier.py new file mode 100644 index 0000000000000000000000000000000000000000..c57b639af82e5288a0b2181f39ba8b78ff6ec567 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/data_norm_sparsifier.py @@ -0,0 +1,203 @@ +# mypy: allow-untyped-defs +import operator +from functools import reduce +from typing import Any, Optional + +import torch +from torch.nn import functional as F + +from .base_data_sparsifier import BaseDataSparsifier + + +__all__ = ["DataNormSparsifier"] + + +class DataNormSparsifier(BaseDataSparsifier): + r"""L1-Norm Sparsifier + This sparsifier computes the *L1-norm* of every sparse block and "zeroes-out" the + ones with the lowest norm. The level of sparsity defines how many of the + blocks is removed. + This sparsifier is controlled by three variables: + 1. `sparsity_level` defines the number of *sparse blocks* that are zeroed-out + 2. `sparse_block_shape` defines the shape of the sparse blocks. Note that + the sparse blocks originate at the zero-index of the tensor. + 3. `zeros_per_block` is the number of zeros that we are expecting in each + sparse block. By default we assume that all elements within a block are + zeroed-out. However, setting this variable sets the target number of + zeros per block. The zeros within each block are chosen as the *smallest + absolute values*. + Args: + sparsity_level: The target level of sparsity + sparse_block_shape: The shape of a sparse block + zeros_per_block: Number of zeros in a sparse block + Note:: + All arguments to the DataNormSparsifier constructor are "default" + arguments and could be overriden by the configuration provided in the + `add_data` step. + """ + + def __init__( + self, + data_list: Optional[list[tuple[str, Any]]] = None, + sparsity_level: float = 0.5, + sparse_block_shape: tuple[int, int] = (1, 4), + zeros_per_block: Optional[int] = None, + norm: str = "L1", + ): + if zeros_per_block is None: + zeros_per_block = reduce(operator.mul, sparse_block_shape) + + assert norm in ["L1", "L2"], "only L1 and L2 norm supported at the moment" + + defaults = { + "sparsity_level": sparsity_level, + "sparse_block_shape": sparse_block_shape, + "zeros_per_block": zeros_per_block, + } + self.norm = norm + super().__init__(data_list=data_list, **defaults) + + def __get_scatter_folded_mask( + self, data, dim, indices, output_size, sparse_block_shape + ): + mask = torch.ones_like(data) + mask.scatter_(dim=dim, index=indices, value=0) # zeroing out + mask = F.fold( + mask, + output_size=output_size, + kernel_size=sparse_block_shape, + stride=sparse_block_shape, + ) + mask = mask.to(torch.int8) + return mask + + def __get_block_level_mask(self, data, sparse_block_shape, zeros_per_block): + # Assume data is a squeezed tensor + height, width = data.shape[-2], data.shape[-1] + block_height, block_width = sparse_block_shape + values_per_block = block_height * block_width + + # just return zeros if zeroing all elements in block + if values_per_block == zeros_per_block: + return torch.zeros_like(data, dtype=torch.int8) + + # creating additional height and width to support padding + dh = (block_height - height % block_height) % block_height + dw = (block_width - width % block_width) % block_width + + # create a new padded tensor like data (to match the block_shape) + padded_data = torch.ones( + height + dh, width + dw, dtype=data.dtype, device=data.device + ) + padded_data = ( + padded_data * torch.nan + ) # can also be replaced with 0 to stop the removal of edge data + padded_data[0:height, 0:width] = data + unfolded_data = F.unfold( + padded_data[None, None, :], + kernel_size=sparse_block_shape, + stride=sparse_block_shape, + ) + + _, sorted_idx = torch.sort(unfolded_data, dim=1) + sorted_idx = sorted_idx[ + :, :zeros_per_block, : + ] # zero out zeros_per_block number of elements + + mask = self.__get_scatter_folded_mask( + data=unfolded_data, + dim=1, + indices=sorted_idx, + output_size=padded_data.shape, + sparse_block_shape=sparse_block_shape, + ) + + mask = ( + mask.squeeze(0).squeeze(0)[:height, :width].contiguous() + ) # remove padding and make contiguous + return mask + + def __get_data_level_mask(self, data, sparsity_level, sparse_block_shape): + height, width = data.shape[-2], data.shape[-1] + block_height, block_width = sparse_block_shape + dh = (block_height - height % block_height) % block_height + dw = (block_width - width % block_width) % block_width + + data_norm = F.avg_pool2d( + data[None, None, :], + kernel_size=sparse_block_shape, + stride=sparse_block_shape, + ceil_mode=True, + ) + + values_per_block = reduce(operator.mul, sparse_block_shape) + + data_norm = data_norm.flatten() + num_blocks = len(data_norm) + + data_norm = data_norm.repeat( + 1, values_per_block, 1 + ) # get similar shape after unfold + _, sorted_idx = torch.sort(data_norm, dim=2) + + threshold_idx = round(sparsity_level * num_blocks) # number of blocks to remove + sorted_idx = sorted_idx[:, :, :threshold_idx] + + mask = self.__get_scatter_folded_mask( + data=data_norm, + dim=2, + indices=sorted_idx, + output_size=(height + dh, width + dw), + sparse_block_shape=sparse_block_shape, + ) + + mask = mask.squeeze(0).squeeze(0)[ + :height, :width + ] # squeeze only the first 2 dimension + return mask + + def update_mask( # type: ignore[override] + self, name, data, sparsity_level, sparse_block_shape, zeros_per_block, **kwargs + ): + values_per_block = reduce(operator.mul, sparse_block_shape) + if zeros_per_block > values_per_block: + raise ValueError( + "Number of zeros per block cannot be more than " + "the total number of elements in that block." + ) + if zeros_per_block < 0: + raise ValueError("Number of zeros per block should be positive.") + + if self.norm == "L1": + data_norm = torch.abs(data).squeeze() # absolute value based (L1) + else: + data_norm = (data * data).squeeze() # square every element for L2 + + if len(data_norm.shape) > 2: # only supports 2 dimensional data at the moment + raise ValueError("only supports 2-D at the moment") + + elif len(data_norm.shape) == 1: # in case the data is bias (or 1D) + data_norm = data_norm[None, :] + + mask = self.get_mask(name) + if sparsity_level <= 0 or zeros_per_block == 0: + mask.data = torch.ones_like(mask) + elif sparsity_level >= 1.0 and (zeros_per_block == values_per_block): + mask.data = torch.zeros_like(mask) + + # Fetch the high level mask that zeros out entire blocks + data_lvl_mask = self.__get_data_level_mask( + data=data_norm, + sparsity_level=sparsity_level, + sparse_block_shape=sparse_block_shape, + ) + + # Fetch block level mask that zeros out 'zeros_per_block' number of elements in every block + block_lvl_mask = self.__get_block_level_mask( + data=data_norm, + sparse_block_shape=sparse_block_shape, + zeros_per_block=zeros_per_block, + ) + + # zero out the entries inside those blocks whose block is sparsified + mask.data = torch.where(data_lvl_mask == 1, data_lvl_mask, block_lvl_mask) diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/lightning/__init__.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/lightning/__init__.py new file mode 100644 index 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_attach_model_to_data_sparsifier(module, data_sparsifier, config=None): + """Attaches a data sparsifier to all the layers of the module. + Essentially, loop over all the weight parameters in the module and + attach it to the data sparsifier. + Note:: + The '.' in the layer names are replaced with '_' (refer to _get_valid_name() below) + before attaching to the sparsifier. This is because, the data + sparsifier uses a dummy model inside to store the weight parameters. + """ + if config is None: + config = {} + for name, parameter in module.named_parameters(): + if type(parameter) in SUPPORTED_TYPES: + valid_name = _get_valid_name(name) + # will be defaulted to default configs + data_sparsifier.add_data( + name=valid_name, data=parameter, **config.get(valid_name, {}) + ) + + +def _get_valid_name(name): + return name.replace(".", "_") # . is not allowed as a name + + +def _log_sparsified_level(model, data_sparsifier) -> None: + # Show the level of sparsity AFTER step: + for name, parameter in model.named_parameters(): + if type(parameter) not in SUPPORTED_TYPES: + continue + valid_name = _get_valid_name(name) + mask = data_sparsifier.get_mask(name=valid_name) + sparsity_level = 1.0 - mask.float().mean() + logger.info("Sparsity in layer %s = % .2%", name, sparsity_level) diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/lightning/callbacks/data_sparsity.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/lightning/callbacks/data_sparsity.py new file mode 100644 index 0000000000000000000000000000000000000000..00e9b1cab6c3ceb55d8a053e6db06014fa4f30c5 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/lightning/callbacks/data_sparsity.py @@ -0,0 +1,181 @@ +# mypy: allow-untyped-defs +from collections import defaultdict +from copy import deepcopy +from typing import Any, Optional, TYPE_CHECKING + +import pytorch_lightning as pl # type: ignore[import] + +from ._data_sparstity_utils import ( + _attach_model_to_data_sparsifier, + _get_valid_name, + _log_sparsified_level, +) + + +if TYPE_CHECKING: + import torch + + +class PostTrainingDataSparsity(pl.callbacks.Callback): + """Lightning callback that enables post-training sparsity. + + This callback aims to sparsify the model inside lightning module after training. + **Note that the model is copied and then sparsified, so the existing model is not modified** + + The sparsified model can be used for comparison and can be accessed using + .sparsified + + Args: + data_sparsifier_class (some implemented class of BaseDataSparsifier) + The data sparsifier object of this class is created when the + training starts. + Note: Objects should not be passed in here as they are created + once the training completes. + + data_sparsifier_args (Dict) + Dictionary of args to be passed to the data sparsifier. + Note: data_list arg should be ignored + + Hooks implemented: + on_fit_end() + 1. copies the model and attaches it to the sparsifier + 2. sparsier step() is called + 3. squashes the mask() + """ + + def __init__(self, data_sparsifier_class, data_sparsifier_args): + super().__init__() + self.data_sparsifier_class = data_sparsifier_class + self.data_sparsifier_args = data_sparsifier_args + self.data_sparsifier: Any = None + self.sparsified: Optional[torch.nn.Module] = None + + def on_fit_end(self, trainer, pl_module) -> None: + self.sparsified = deepcopy(pl_module.model).eval() + self.data_sparsifier = self.data_sparsifier_class(**self.data_sparsifier_args) + + _attach_model_to_data_sparsifier(self.sparsified, self.data_sparsifier) + + self.data_sparsifier.step() + + self.data_sparsifier.squash_mask() # currently squashes params for all mask + + _log_sparsified_level(self.sparsified, self.data_sparsifier) + + +class TrainingAwareDataSparsity(pl.callbacks.Callback): + """Lightning callback that enables in-training sparsity. + + This callback aims to sparsify the model inside lightning module during training. + **Note that the model is copied and then sparsified, so the existing model is not modified** + + The sparsified model can be used for comparison and can be accessed using + .sparsified + + Args: + data_sparsifier_class (some implemented class of BaseDataSparsifier) + The data sparsifier object of this class is created when the + training starts. + Note: Objects should not be passed in here as they are created + when the training starts. + + data_sparsifier_args (Dict) + Dictionary of args to be passed to the data sparsifier. + Note: data_list arg should be ignored + + data_scheduler_class (some implemented class of BaseDataScheduler) + The data scheduler of this class is created when the training starts + Note: Objects should not be passed in here as they are created + when the training starts. + + data_scheduler_args(Dict) + Dictionary of args to be passed to the data scheduler. + **Note: data_sparsifier arg should be ignored as the recipe + creates and pass sparsifier object into the class** + + Hooks implemented: + on_train_start() + Data sparsifier and scheduler objects are created. + Pytorch model attached to the sparsifier + + on_train_epoch_start() + Loads the state_dict of the data sparsifier + + on_train_epoch_end() + 1. Copies the model and attaches it to the sparsifier + 2. sparsifier step() and scheduler step() + 3. Dump state_dict of the current sparsifier + + on_train_end() + squash mask + """ + + def __init__( + self, + data_sparsifier_class, + data_sparsifier_args, + data_scheduler_class, + data_scheduler_args, + ): + super().__init__() + # data sparsifier objects + self.data_sparsifier_class = data_sparsifier_class + self.data_sparsifier_args = data_sparsifier_args + + # scheduler objects + self.data_scheduler_class = data_scheduler_class + self.data_scheduler_args = data_scheduler_args + + # fields + self.data_sparsifier: Any = None + self.data_scheduler: Any = None + self.sparsified: Optional[torch.nn.Module] = None + + self.data_sparsifier_state_dict: Any = None + + def on_train_start(self, trainer, pl_module) -> None: + # create sparsifier + self.data_sparsifier = self.data_sparsifier_class(**self.data_sparsifier_args) + self.sparsified = deepcopy(pl_module.model) + + _attach_model_to_data_sparsifier( + self.sparsified, self.data_sparsifier + ) # just to populate the base_sl in the scheduler + + # create scheduler + args = deepcopy(self.data_scheduler_args) + args["data_sparsifier"] = self.data_sparsifier + self.data_scheduler = self.data_scheduler_class(**args) + + def on_train_epoch_start(self, trainer, pl_module): + if self.data_sparsifier_state_dict is None: + return # probably first epoch + + # load the existing config for each data + self.data_sparsifier.load_state_dict(self.data_sparsifier_state_dict) + + def __create_config_based_on_state(self, pl_module): + config: dict = defaultdict() + if self.data_sparsifier_state_dict is None: + return config + for name, _ in pl_module.model.named_parameters(): + valid_name = _get_valid_name(name) + config[valid_name] = self.data_sparsifier.data_groups[valid_name] + + return config + + def on_train_epoch_end(self, trainer, pl_module): + self.sparsified = deepcopy(pl_module.model) + config = self.__create_config_based_on_state(pl_module) + + # attach model to the data sparsifier + _attach_model_to_data_sparsifier( + self.sparsified, self.data_sparsifier, config=config + ) + self.data_sparsifier.step() + self.data_scheduler.step() + + self.data_sparsifier_state_dict = self.data_sparsifier.state_dict() + + def on_train_end(self, trainer, pl_module): + self.data_sparsifier.squash_mask() diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/quantization_utils.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/quantization_utils.py new file mode 100644 index 0000000000000000000000000000000000000000..2efdf524b367ecd74c6db2e9276cca6dd49c29e3 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/data_sparsifier/quantization_utils.py @@ -0,0 +1,150 @@ +# mypy: allow-untyped-defs +from typing import Optional + +import torch +import torch.nn as nn +from torch.ao.pruning.sparsifier.utils import fqn_to_module, module_to_fqn + + +SUPPORTED_MODULES = {nn.Embedding, nn.EmbeddingBag} + + +def _fetch_all_embeddings(model): + """Fetches Embedding and EmbeddingBag modules from the model""" + embedding_modules = [] + stack = [model] + while stack: + module = stack.pop() + for _, child in module.named_children(): + fqn_name = module_to_fqn(model, child) + if type(child) in SUPPORTED_MODULES: + embedding_modules.append((fqn_name, child)) + else: + stack.append(child) + return embedding_modules + + +def post_training_sparse_quantize( + model, + data_sparsifier_class, + sparsify_first=True, + select_embeddings: Optional[list[nn.Module]] = None, + **sparse_config, +): + """Takes in a model and applies sparsification and quantization to only embeddings & embeddingbags. + The quantization step can happen before or after sparsification depending on the `sparsify_first` argument. + + Args: + - model (nn.Module) + model whose embeddings needs to be sparsified + - data_sparsifier_class (type of data sparsifier) + Type of sparsification that needs to be applied to model + - sparsify_first (bool) + if true, sparsifies first and then quantizes + otherwise, quantizes first and then sparsifies. + - select_embeddings (List of Embedding modules) + List of embedding modules to in the model to be sparsified & quantized. + If None, all embedding modules with be sparsified + - sparse_config (Dict) + config that will be passed to the constructor of data sparsifier object. + + Note: + 1. When `sparsify_first=False`, quantization occurs first followed by sparsification. + - before sparsifying, the embedding layers are dequantized. + - scales and zero-points are saved + - embedding layers are sparsified and `squash_mask` is applied + - embedding weights are requantized using the saved scales and zero-points + 2. When `sparsify_first=True`, sparsification occurs first followed by quantization. + - embeddings are sparsified first + - quantization is applied on the sparsified embeddings + """ + data_sparsifier = data_sparsifier_class(**sparse_config) + + # if select_embeddings is None, perform it on all embeddings + if select_embeddings is None: + embedding_modules = _fetch_all_embeddings(model) + + else: + embedding_modules = [] + assert isinstance( + select_embeddings, list + ), "the embedding_modules must be a list of embedding modules" + for emb in select_embeddings: + assert ( + type(emb) in SUPPORTED_MODULES + ), "the embedding_modules list must be an embedding or embedding bags" + fqn_name = module_to_fqn(model, emb) + assert ( + fqn_name is not None + ), "the embedding modules must be part of input model" + embedding_modules.append((fqn_name, emb)) + + if sparsify_first: + # sparsify + for name, emb_module in embedding_modules: + valid_name = name.replace(".", "_") + data_sparsifier.add_data(name=valid_name, data=emb_module) + + data_sparsifier.step() + data_sparsifier.squash_mask() + + # quantize + for _, emb_module in embedding_modules: + emb_module.qconfig = torch.ao.quantization.float_qparams_weight_only_qconfig + + torch.ao.quantization.prepare(model, inplace=True) + torch.ao.quantization.convert(model, inplace=True) + + else: + # quantize + for _, emb_module in embedding_modules: + emb_module.qconfig = torch.ao.quantization.float_qparams_weight_only_qconfig + + torch.ao.quantization.prepare(model, inplace=True) + torch.ao.quantization.convert(model, inplace=True) + + # retrieve scale & zero_points + quantize_params: dict[str, dict] = { + "scales": {}, + "zero_points": {}, + "dequant_weights": {}, + "axis": {}, + "dtype": {}, + } + + for name, _ in embedding_modules: + quantized_emb = fqn_to_module(model, name) + assert quantized_emb is not None # satisfy mypy + + quantized_weight = quantized_emb.weight() # type: ignore[operator] + quantize_params["scales"][name] = quantized_weight.q_per_channel_scales() + quantize_params["zero_points"][ + name + ] = quantized_weight.q_per_channel_zero_points() + quantize_params["dequant_weights"][name] = torch.dequantize( + quantized_weight + ) + quantize_params["axis"][name] = quantized_weight.q_per_channel_axis() + quantize_params["dtype"][name] = quantized_weight.dtype + + # attach data to sparsifier + data_sparsifier.add_data( + name=name.replace(".", "_"), + data=quantize_params["dequant_weights"][name], + ) + + data_sparsifier.step() + data_sparsifier.squash_mask() + + for name, _ in embedding_modules: + quantized_emb = fqn_to_module(model, name) + assert quantized_emb is not None # satisfy mypy + requantized_vector = torch.quantize_per_channel( + quantize_params["dequant_weights"][name], + scales=quantize_params["scales"][name], + zero_points=quantize_params["zero_points"][name], + dtype=quantize_params["dtype"][name], + axis=quantize_params["axis"][name], + ) + + quantized_emb.set_weight(requantized_vector) # type: ignore[operator] diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/FPGM_pruner.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/FPGM_pruner.py new file mode 100644 index 0000000000000000000000000000000000000000..3da27ba38df55b6ec738ae682aac5cbfc4da731d --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/FPGM_pruner.py @@ -0,0 +1,97 @@ +# mypy: allow-untyped-defs +from typing import Callable, Optional, Union + +import torch + +from .base_structured_sparsifier import BaseStructuredSparsifier + + +__all__ = ["FPGMPruner"] + + +class FPGMPruner(BaseStructuredSparsifier): + r"""Filter Pruning via Geometric Median (FPGM) Structured Pruner + This sparsifier prune fliter (row) in a tensor according to distances among filters according to + `Filter Pruning via Geometric Median for Deep Convolutional Neural Networks Acceleration `_. + + This sparsifier is controlled by three variables: + 1. `sparsity_level` defines the number of filters (rows) that are zeroed-out. + 2. `dist` defines the distance measurement type. Default: 3 (L2 distance). + Available options are: [1, 2, (custom callable distance function)]. + + Note:: + Inputs should be a 4D convolutional tensor of shape (N, C, H, W). + - N: output channels size + - C: input channels size + - H: height of kernel + - W: width of kernel + """ + + def __init__( + self, sparsity_level: float = 0.5, dist: Optional[Union[Callable, int]] = None + ): + defaults = { + "sparsity_level": sparsity_level, + } + + if dist is None: + dist = 2 + + if callable(dist): + self.dist_fn = dist + elif dist == 1: + self.dist_fn = lambda x: torch.cdist(x, x, p=1) + elif dist == 2: + self.dist_fn = lambda x: torch.cdist(x, x, p=2) + else: + raise NotImplementedError("Distance function is not yet implemented.") + super().__init__(defaults=defaults) + + def _compute_distance(self, t): + r"""Compute distance across all entries in tensor `t` along all dimension + except for the one identified by dim. + Args: + t (torch.Tensor): tensor representing the parameter to prune + Returns: + distance (torch.Tensor): distance computed across filtters + """ + dim = 0 # prune filter (row) + + size = t.size(dim) + slc = [slice(None)] * t.dim() + + # flatten the tensor along the dimension + t_flatten = [ + t[tuple(slc[:dim] + [slice(i, i + 1)] + slc[dim + 1 :])].reshape(-1) + for i in range(size) + ] + t_flatten = torch.stack(t_flatten) + + # distance measurement + dist_matrix = self.dist_fn(t_flatten) + + # more similar with other filter indicates large in the sum of row + distance = torch.sum(torch.abs(dist_matrix), 1) + + return distance + + def update_mask( # type: ignore[override] + self, module, tensor_name, sparsity_level, **kwargs + ): + tensor_weight = getattr(module, tensor_name) + mask = getattr(module.parametrizations, tensor_name)[0].mask + + if sparsity_level <= 0: + mask.data = torch.ones_like(mask).bool() + elif sparsity_level >= 1.0: + mask.data = torch.zeros_like(mask).bool() + else: + distance = self._compute_distance(tensor_weight) + + tensor_size = tensor_weight.shape[0] # prune filter (row) + nparams_toprune = round(sparsity_level * tensor_size) + nparams_toprune = min( + max(nparams_toprune, 0), tensor_size + ) # clamp to [0, tensor_size] + topk = torch.topk(distance, k=nparams_toprune, largest=False) + mask[topk.indices] = False diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/__init__.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..a57db6a8d8cde9a89c7cbda4dff6f6075559b59b --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/__init__.py @@ -0,0 +1,5 @@ +from .base_structured_sparsifier import BaseStructuredSparsifier +from .FPGM_pruner import FPGMPruner +from .lstm_saliency_pruner import LSTMSaliencyPruner +from .parametrization import BiasHook, FakeStructuredSparsity +from .saliency_pruner import 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b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/base_structured_sparsifier.py @@ -0,0 +1,314 @@ +# mypy: allow-untyped-defs +from itertools import chain +from operator import getitem +from typing import Callable, Optional, Union + +import torch +import torch.nn.functional as F +from torch import nn +from torch.ao.pruning.sparsifier.base_sparsifier import BaseSparsifier +from torch.fx import symbolic_trace +from torch.nn.utils import parametrize + +from .match_utils import apply_match, MatchAllNode +from .parametrization import BiasHook, FakeStructuredSparsity, module_contains_param +from .prune_functions import ( + prune_conv2d, + prune_conv2d_activation_conv2d, + prune_conv2d_activation_pool_conv2d, + prune_conv2d_conv2d, + prune_conv2d_pool_activation_conv2d, + prune_conv2d_pool_flatten_linear, + prune_linear, + prune_linear_activation_linear, + prune_linear_linear, + prune_lstm_output_layernorm_linear, + prune_lstm_output_linear, +) + + +def _get_supported_structured_pruning_modules(): + SUPPORTED_STRUCTURED_PRUNING_MODULES = { # added to config if None given + nn.Linear, + nn.Conv2d, + nn.LSTM, + } + return SUPPORTED_STRUCTURED_PRUNING_MODULES + + +def _get_supported_activation_functions(): + SUPPORTED_ACTIVATION_FUNCTIONS = { + F.relu, + F.rrelu, + F.hardtanh, + F.relu6, + F.sigmoid, + F.hardsigmoid, + F.tanh, + F.silu, + F.mish, + F.hardswish, + F.elu, + F.celu, + F.selu, + F.hardshrink, + F.leaky_relu, + F.logsigmoid, + F.softplus, + F.prelu, + F.softsign, + F.tanhshrink, + F.gelu, + } + return SUPPORTED_ACTIVATION_FUNCTIONS + + +def _get_supported_activation_modules(): + SUPPORTED_ACTIVATION_MODULES = { + nn.ReLU, + nn.RReLU, + nn.Hardtanh, + nn.ReLU6, + nn.Sigmoid, + nn.Hardsigmoid, + nn.Tanh, + nn.SiLU, + nn.Mish, + nn.Hardswish, + nn.ELU, + nn.CELU, + nn.SELU, + nn.Hardshrink, + nn.LeakyReLU, + nn.LogSigmoid, + nn.Softplus, + nn.PReLU, + nn.Softsign, + nn.Tanhshrink, + nn.GELU, + } + return SUPPORTED_ACTIVATION_MODULES + + +def _get_default_structured_pruning_patterns() -> ( + dict[ + tuple[Union[type[nn.Module], Callable, MatchAllNode, str], ...], + Callable[..., None], + ] +): + """ + Returns the patterns for conv2d / linear conversion for each element in the activation functions/modules defined above. + """ + patterns: dict[ + tuple[Union[type[nn.Module], Callable, MatchAllNode, str], ...], + Callable[..., None], + ] = { + # linear -> linear + (nn.Linear, "output"): prune_linear, + (nn.Linear, nn.Linear): prune_linear_linear, + # conv2d -> conv2d + (nn.Conv2d, "output"): prune_conv2d, + (nn.Conv2d, nn.Conv2d): prune_conv2d_conv2d, + # TODO LSTM Structured pruning does not support returned state currently. + # Should find a way to explicitly match getitem(0) instead of getitem. + # This will also require changing the pruning function. + # lstm -> getitem(0) -> linear + (nn.LSTM, getitem, nn.Linear): prune_lstm_output_linear, + # lstm -> getitem(0) -> layernorm -> linear + (nn.LSTM, getitem, nn.LayerNorm, nn.Linear): prune_lstm_output_layernorm_linear, + } + + for activation in chain( + _get_supported_activation_functions(), _get_supported_activation_modules() + ): + patterns.update( + { + # linear -> activation -> linear + (nn.Linear, activation, nn.Linear): prune_linear_activation_linear, + # conv2d -> activation -> conv2d + (nn.Conv2d, activation, nn.Conv2d): prune_conv2d_activation_conv2d, + # conv2d -> activation -> pool -> conv2d + ( + nn.Conv2d, + activation, + nn.AvgPool2d, + nn.Conv2d, + ): prune_conv2d_activation_pool_conv2d, + ( + nn.Conv2d, + activation, + F.avg_pool2d, + nn.Conv2d, + ): prune_conv2d_activation_pool_conv2d, + ( + nn.Conv2d, + activation, + nn.MaxPool2d, + nn.Conv2d, + ): prune_conv2d_activation_pool_conv2d, + ( + nn.Conv2d, + activation, + F.max_pool2d, + nn.Conv2d, + ): prune_conv2d_activation_pool_conv2d, + # conv2d -> pool -> activation -> conv2d + ( + nn.Conv2d, + nn.AvgPool2d, + activation, + nn.Conv2d, + ): prune_conv2d_pool_activation_conv2d, + ( + nn.Conv2d, + F.avg_pool2d, + activation, + nn.Conv2d, + ): prune_conv2d_pool_activation_conv2d, + ( + nn.Conv2d, + nn.MaxPool2d, + activation, + nn.Conv2d, + ): prune_conv2d_pool_activation_conv2d, + ( + nn.Conv2d, + F.max_pool2d, + activation, + nn.Conv2d, + ): prune_conv2d_pool_activation_conv2d, + # conv2d -> adaptive pool -> flatten -> linear + ( + nn.Conv2d, + nn.AdaptiveAvgPool2d, + nn.Flatten, + nn.Linear, + ): prune_conv2d_pool_flatten_linear, + ( + nn.Conv2d, + nn.AdaptiveAvgPool2d, + torch.flatten, + nn.Linear, + ): prune_conv2d_pool_flatten_linear, + ( + nn.Conv2d, + nn.AdaptiveMaxPool2d, + nn.Flatten, + nn.Linear, + ): prune_conv2d_pool_flatten_linear, + ( + nn.Conv2d, + nn.AdaptiveMaxPool2d, + torch.flatten, + nn.Linear, + ): prune_conv2d_pool_flatten_linear, + } + ) + return patterns + + +class BaseStructuredSparsifier(BaseSparsifier): + r"""Base class for structured pruning. + + Abstract methods that need to be implemented: + - update_mask: Function to compute a new mask for all keys in the + `groups` attribute. + + Args: + - defaults [dict]: default configurations will be attached to the + configuration. Only the keys that don't exist in the `config` will + be updated. + """ + + def __init__(self, defaults, patterns=None): + super().__init__(defaults) + if patterns is None: + patterns = _get_default_structured_pruning_patterns() + self.patterns = patterns + + def make_config_from_model( + self, + model: nn.Module, + SUPPORTED_MODULES: Optional[set[type]] = None, + ) -> None: + if SUPPORTED_MODULES is None: + SUPPORTED_MODULES = _get_supported_structured_pruning_modules() + super().make_config_from_model(model, SUPPORTED_MODULES=SUPPORTED_MODULES) + + def _prepare(self, *args, **kwargs) -> None: + r"""This function will attach the FakeStructuredSparsity parameterizations + and BiasHooks at the appropriate points in the model. + """ + for config in self.groups: + module = config["module"] + tensor_name = config["tensor_name"] + parametrization = config.get("parametrization", FakeStructuredSparsity) + tensor = getattr(module, tensor_name) + + mask = config.get( + "mask", + torch.ones(tensor.shape[0], dtype=torch.bool, device=tensor.device), + ) + self.state[config["tensor_fqn"]]["mask"] = mask + parametrize.register_parametrization( + module, tensor_name, parametrization(mask) + ) + + # if linear / conv, we add in bias hooks + if isinstance(module, (nn.Linear, nn.Conv2d)): + prune_bias = config.get("prune_bias", True) + if module.bias is not None: + module.register_parameter( + "_bias", nn.Parameter(module.bias.detach()) + ) + module.bias = None + module.prune_bias = prune_bias + + module.register_forward_hook( + BiasHook(module.parametrizations.weight[0], prune_bias) # type: ignore[union-attr, index] + ) + + def prune(self) -> None: + r""" + This function will FX symbolically trace the model and then find instances of the patterns + defined in self.patterns (by default SUPPORTED_STRUCTURED_PRUNING_PATTERNS ). + + For each pattern, it will apply to corresponding conversion function, which will modify the output + and input size expected by the modules within the pattern + """ + + self.traced = symbolic_trace(self.model) + modules = dict(self.traced.named_modules()) + + # Right now we check for matches simply by iterating across all the patterns + # if this is slow we can store patterns in a trie-structure and modify this code for faster lookup + for node in self.traced.graph.nodes: + for pattern, convert_fn in self.patterns.items(): + matched = apply_match(modules, pattern, node, []) + if matched is None: + continue + + first_module = modules.get(node.target) + # check if first module exists and has appropriate parameterization, otherwise skip + if ( + first_module is not None + and parametrize.is_parametrized(first_module) + and module_contains_param(first_module, FakeStructuredSparsity) + ): + convert_block = [] + for node in matched: + if node.op == "call_module": + convert_block.append(modules.get(node.target)) + elif node.op == "call_function": + convert_block.append(node.target) + convert_fn(*convert_block) + + for module in self.traced.modules(): + if module_contains_param(module, FakeStructuredSparsity): + raise Exception( # noqa: TRY002 + f"Error: {module} still contains FakeStructuredSparsity parametrizations!" + ) + + self.traced.graph.lint() + self.traced.recompile() + return self.traced # type: ignore[return-value] diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/lstm_saliency_pruner.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/lstm_saliency_pruner.py new file mode 100644 index 0000000000000000000000000000000000000000..e8acbc5e458c65a83bd4d05608d46b43cdb94722 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/lstm_saliency_pruner.py @@ -0,0 +1,53 @@ +# mypy: allow-untyped-defs +from typing import cast + +import torch + +from .base_structured_sparsifier import BaseStructuredSparsifier, FakeStructuredSparsity + + +class LSTMSaliencyPruner(BaseStructuredSparsifier): + """ + Prune packed LSTM weights based on saliency. + For each layer {k} inside a LSTM, we have two packed weight matrices + - weight_ih_l{k} + - weight_hh_l{k} + + These tensors pack the weights for the 4 linear layers together for efficiency. + + [W_ii | W_if | W_ig | W_io] + + Pruning this tensor directly will lead to weights being misassigned when unpacked. + To ensure that each packed linear layer is pruned the same amount: + 1. We split the packed weight into the 4 constituent linear parts + 2. Update the mask for each individual piece using saliency individually + + This applies to both weight_ih_l{k} and weight_hh_l{k}. + """ + + def update_mask(self, module, tensor_name, **kwargs): + weights = getattr(module, tensor_name) + + for p in getattr(module.parametrizations, tensor_name): + if isinstance(p, FakeStructuredSparsity): + mask = cast(torch.Tensor, p.mask) + + # select weights based on magnitude + if weights.dim() <= 1: + raise Exception( # noqa: TRY002 + "Structured pruning can only be applied to a 2+dim weight tensor!" + ) + # take norm over all but first dim + dims = tuple(range(1, weights.dim())) + saliency = weights.norm(dim=dims, p=1) + + # handle weights in 4 groups + split_size = len(mask) // 4 + masks = torch.split(mask, split_size) + saliencies = torch.split(saliency, split_size) + + for keep_mask, sal in zip(masks, saliencies): + # mask smallest k values to be removed + k = int(len(keep_mask) * kwargs["sparsity_level"]) + prune = sal.topk(k, largest=False, sorted=False).indices + keep_mask.data[prune] = False # modifies underlying p.mask directly diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/match_utils.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/match_utils.py new file mode 100644 index 0000000000000000000000000000000000000000..3f8567bc79070d83905a20ca2c5100b250d83a09 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/match_utils.py @@ -0,0 +1,64 @@ +""" +Contains utility functions to check if a pattern is in the graph and return the matching nodes +""" +from typing import Any, Optional, Union + +import torch +from torch import nn +from torch.ao.quantization.utils import MatchAllNode +from torch.fx import Node +from torch.nn.utils import parametrize + + +def _match( + modules: dict[str, nn.ModuleDict], + node: Node, + current: Union[nn.Module, Any], +) -> bool: + r""" + checks to see if a single node of a pattern matches + """ + if isinstance(current, type) and issubclass(current, MatchAllNode): + return True + if not isinstance(node, Node): + return False + if isinstance(current, type) and issubclass(current, torch.nn.Module): + return ( + node.op == "call_module" + and parametrize.type_before_parametrizations(modules[node.target]) # type: ignore[index] + == current + ) + elif callable(current): + return node.op == "call_function" and node.target is current + elif isinstance(current, str): + return node.target == current + return False + + +def apply_match( + modules: dict[str, nn.ModuleDict], + pattern: Union[tuple[Any], Any], + node: Node, + matched_node_pattern: list[Node], +) -> Optional[list[Node]]: + r""" + This function will return the matched nodes if the pattern matches the node given + If there is no match, it will return None + """ + if isinstance(pattern, tuple): + if len(pattern) == 1: + if _match(modules, node, pattern[0]): + return matched_node_pattern + [node] + + first, *rest = pattern + if _match(modules, node, first): + if rest is None: + return matched_node_pattern + [node] + + for user in node.users: + return apply_match( + modules, tuple(rest), user, matched_node_pattern + [node] + ) + elif _match(modules, node, pattern): + return [node] + return None diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/parametrization.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/parametrization.py new file mode 100644 index 0000000000000000000000000000000000000000..58b3f7651caab971ff524c85e00d6448a77a932d --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/parametrization.py @@ -0,0 +1,59 @@ +# mypy: allow-untyped-defs +import torch +from torch import nn +from torch.nn.utils.parametrize import is_parametrized + + +def module_contains_param(module, parametrization): + if is_parametrized(module): + # see if any of the module tensors have a parametriztion attached that matches the one passed in + return any( + any(isinstance(param, parametrization) for param in param_list) + for key, param_list in module.parametrizations.items() + ) + return False + + +# Structured Pruning Parameterizations +class FakeStructuredSparsity(nn.Module): + r""" + Parametrization for Structured Pruning. Like FakeSparsity, this should be attached to + the 'weight' or any other parameter that requires a mask. + + Instead of an element-wise bool mask, this parameterization uses a row-wise bool mask. + """ + + def __init__(self, mask): + super().__init__() + self.register_buffer("mask", mask) + + def forward(self, x): + assert isinstance(self.mask, torch.Tensor) + assert self.mask.shape[0] == x.shape[0] + shape = [1] * len(x.shape) + shape[0] = -1 + return self.mask.reshape(shape) * x + + def state_dict(self, *args, **kwargs): + # avoid double saving masks + return {} + + +class BiasHook: + def __init__(self, parametrization, prune_bias): + self.param = parametrization + self.prune_bias = prune_bias + + def __call__(self, module, input, output): + if getattr(module, "_bias", None) is not None: + bias = module._bias.data + if self.prune_bias: + bias[~self.param.mask] = 0 + + # reshape bias to broadcast over output dimensions + idx = [1] * len(output.shape) + idx[1] = -1 + bias = bias.reshape(idx) + + output += bias + return output diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/prune_functions.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/prune_functions.py new file mode 100644 index 0000000000000000000000000000000000000000..eef1d5d6f3bb8e1501afb23998fe50586138e6ab --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/prune_functions.py @@ -0,0 +1,478 @@ +# mypy: allow-untyped-defs +""" +Collection of conversion functions for linear / conv2d structured pruning +Also contains utilities for bias propagation +""" +from typing import Callable, cast, Optional + +import torch +from torch import nn, Tensor +from torch.nn.utils import parametrize +from torch.nn.utils.parametrize import ParametrizationList + +from .parametrization import BiasHook, FakeStructuredSparsity + + +# BIAS PROPAGATION +def _remove_bias_handles(module: nn.Module) -> None: + if hasattr(module, "_forward_hooks"): + bias_hooks: list[int] = [] + for key, hook in module._forward_hooks.items(): + if isinstance(hook, BiasHook): + bias_hooks.append(key) + + for key in bias_hooks: + del module._forward_hooks[key] + + +def _get_adjusted_next_layer_bias( + next_layer: nn.Module, pruned_biases: Tensor, mask: Tensor +) -> nn.Parameter: + r"""Returns new adjusted bias for the second supported module""" + if parametrize.is_parametrized(next_layer): + # need to access original weight + parametrization_dict = cast(nn.ModuleDict, next_layer.parametrizations) + weight_parameterizations = cast( + ParametrizationList, parametrization_dict.weight + ) + next_weight = weight_parameterizations.original + else: + next_weight = cast(Tensor, next_layer.weight) + + scaling_weight = next_weight[:, ~mask] + if isinstance(next_layer, nn.Conv2d): # checking for Conv2d + # Propagating first layer pruned biases and calculating the new second layer bias + # involves more steps since the Conv2d scaling weight has extra dimensions, + # so adding bias involves broadcasting, logically: + # for each channel k in range(oC): + # scaled_biases = sum(first_bias[pruned_idx] @ next_weight[k, pruned_idx, :, :].T) + # new_next_bias[k] = old_next_bias[k] + scaled_biases + scaling_product = torch.matmul( + pruned_biases.reshape(1, -1), torch.transpose(scaling_weight, 1, 2) + ) + sum_range = list(range(len(scaling_product.shape)))[ + 1: + ] # all but the first dimension + scaled_biases = torch.sum(scaling_product, sum_range) + elif isinstance(next_layer, nn.Linear): # Linear + scaled_biases = torch.matmul( + pruned_biases, torch.transpose(scaling_weight, 0, 1) + ) # recall b2_new = b1 @ w2.T + b2 + else: + raise NotImplementedError(f"Type {type(next_layer)} not supported yet.") + + if ( + parametrize.is_parametrized(next_layer) + and getattr(next_layer, "_bias", None) is not None + ): # next_layer is parametrized & has original bias ._bias + adjusted_bias = nn.Parameter(scaled_biases + next_layer._bias) # type: ignore[operator] + elif ( + not parametrize.is_parametrized(next_layer) and next_layer.bias is not None + ): # next_layer not parametrized & has .bias + adjusted_bias = nn.Parameter(scaled_biases + next_layer.bias) # type: ignore[operator] + else: # next_layer has no bias + adjusted_bias = nn.Parameter(scaled_biases) + return adjusted_bias + + +def _prune_module_bias(module: nn.Module, mask: Tensor) -> None: + r"""Applies mask to given modules bias""" + # prune bias along with weights, discard pruned indices of bias + original_bias = cast(Tensor, getattr(module, "_bias", module.bias)) + if original_bias is not None: + module.bias = nn.Parameter(original_bias[mask]) + + # remove _bias parameter + if hasattr(module, "_bias"): + delattr(module, "_bias") + + +def _propagate_module_bias(module: nn.Module, mask: Tensor) -> Optional[Tensor]: + r""" + In the case that we need to propagate biases, this function will return the biases we need + """ + # set current module bias + if module.bias is not None: + module.bias = nn.Parameter(cast(Tensor, module.bias)[mask]) + elif getattr(module, "_bias", None) is not None: + module.bias = nn.Parameter(cast(Tensor, module._bias)[mask]) + + # get pruned biases to propagate to subsequent layer + if getattr(module, "_bias", None) is not None: + pruned_biases = cast(Tensor, module._bias)[~mask] + else: + pruned_biases = None + + if hasattr(module, "_bias"): + delattr(module, "_bias") + + return pruned_biases + + +# LINEAR +def _prune_linear_helper(linear: nn.Linear) -> Tensor: + # expects linear to be a parameterized linear module + parametrization_dict = cast(nn.ModuleDict, linear.parametrizations) + weight_parameterizations = cast(ParametrizationList, parametrization_dict.weight) + for p in weight_parameterizations: + if isinstance(p, FakeStructuredSparsity): + mask = cast(Tensor, p.mask) + + with torch.no_grad(): + parametrize.remove_parametrizations(linear, "weight", leave_parametrized=True) + linear.weight = nn.Parameter(linear.weight[mask]) # type: ignore[possibly-undefined] + linear.out_features = linear.weight.shape[0] + _remove_bias_handles(linear) + + return mask + + +def prune_linear(linear: nn.Linear) -> None: + mask = _prune_linear_helper(linear) + if getattr(linear, "prune_bias", False): + _prune_module_bias(linear, mask) + + +def prune_linear_linear(linear1: nn.Linear, linear2: nn.Linear) -> None: + prune_linear_activation_linear(linear1, None, linear2) + + +def prune_linear_activation_linear( + linear1: nn.Linear, + activation: Optional[Callable[[Tensor], Tensor]], + linear2: nn.Linear, +): + mask = _prune_linear_helper(linear1) + if getattr(linear1, "prune_bias", False): + _prune_module_bias(linear1, mask) + else: + pruned_biases = _propagate_module_bias(linear1, mask) + if pruned_biases is not None: + if activation: + pruned_biases = activation(pruned_biases) + linear2.bias = _get_adjusted_next_layer_bias(linear2, pruned_biases, mask) + + with torch.no_grad(): + if parametrize.is_parametrized(linear2): + parametrization_dict = cast(nn.ModuleDict, linear2.parametrizations) + weight_parameterizations = cast( + ParametrizationList, parametrization_dict.weight + ) + + weight_parameterizations.original = nn.Parameter( + weight_parameterizations.original[:, mask] + ) + linear2.in_features = weight_parameterizations.original.shape[1] + else: + linear2.weight = nn.Parameter(linear2.weight[:, mask]) + linear2.in_features = linear2.weight.shape[1] + + +# CONV2D +def _prune_conv2d_helper(conv2d: nn.Conv2d) -> Tensor: + parametrization_dict = cast(nn.ModuleDict, conv2d.parametrizations) + weight_parameterizations = cast(ParametrizationList, parametrization_dict.weight) + for p in weight_parameterizations: + if isinstance(p, FakeStructuredSparsity): + mask = cast(Tensor, p.mask) + + with torch.no_grad(): + parametrize.remove_parametrizations(conv2d, "weight", leave_parametrized=True) + conv2d.weight = nn.Parameter(conv2d.weight[mask]) # type: ignore[possibly-undefined] + conv2d.out_channels = conv2d.weight.shape[0] + + _remove_bias_handles(conv2d) + return mask + + +def prune_conv2d_padded(conv2d_1: nn.Conv2d) -> None: + parametrization_dict = cast(nn.ModuleDict, conv2d_1.parametrizations) + weight_parameterizations = cast(ParametrizationList, parametrization_dict.weight) + for p in weight_parameterizations: + if isinstance(p, FakeStructuredSparsity): + mask = cast(Tensor, p.mask) + + with torch.no_grad(): + parametrize.remove_parametrizations(conv2d_1, "weight", leave_parametrized=True) + + if getattr(conv2d_1, "_bias", None) is not None: + if ( + conv2d_1.bias is not None + ): # conv2d_1 has original bias and bias propagated from previous layer + new_bias = torch.zeros(conv2d_1.bias.shape) + new_bias[mask] = conv2d_1.bias[mask] # type: ignore[possibly-undefined] + # adjusted bias that to keep in conv2d_1 + new_bias[~mask] = cast(Tensor, conv2d_1._bias)[~mask] + # pruned biases that are kept instead of propagated + conv2d_1.bias = nn.Parameter(new_bias) + else: # conv2d_1 has only original bias + conv2d_1.bias = nn.Parameter(cast(Tensor, conv2d_1._bias)) + else: + # no original bias, only propagated bias + if ( + conv2d_1.bias is not None + ): # conv2d_1 has bias propagated from previous layer + conv2d_1.bias.data[~mask] = 0 # type: ignore[possibly-undefined] + + if hasattr(conv2d_1, "_bias"): + delattr(conv2d_1, "_bias") + + +def prune_conv2d(conv2d: nn.Conv2d) -> None: + mask = _prune_conv2d_helper(conv2d) + if getattr(conv2d, "prune_bias", False): + _prune_module_bias(conv2d, mask) + + +def prune_conv2d_conv2d(conv2d_1: nn.Conv2d, conv2d_2: nn.Conv2d) -> None: + prune_conv2d_activation_conv2d(conv2d_1, None, conv2d_2) + + +def prune_conv2d_activation_conv2d( + conv2d_1: nn.Conv2d, + activation: Optional[Callable[[Tensor], Tensor]], + conv2d_2: nn.Conv2d, +): + r""" + Fusion Pattern for conv2d -> some activation module / function -> conv2d layers + """ + parametrization_dict = cast(nn.ModuleDict, conv2d_1.parametrizations) + weight_parameterizations = cast(ParametrizationList, parametrization_dict.weight) + for p in weight_parameterizations: + if isinstance(p, FakeStructuredSparsity): + mask = cast(Tensor, p.mask) + + prune_bias = getattr(conv2d_1, "prune_bias", False) + if ( + hasattr(conv2d_2, "padding") + and cast(tuple[int], conv2d_2.padding) > (0, 0) + and (conv2d_1.bias is not None or getattr(conv2d_1, "_bias", None) is not None) + ): + prune_conv2d_padded(conv2d_1) + else: + mask = _prune_conv2d_helper(conv2d_1) + if prune_bias: + _prune_module_bias(conv2d_1, mask) + else: + pruned_biases = _propagate_module_bias(conv2d_1, mask) + if pruned_biases is not None: + if activation: + pruned_biases = activation(pruned_biases) + conv2d_2.bias = _get_adjusted_next_layer_bias( + conv2d_2, pruned_biases, mask + ) + + if ( + not ( + hasattr(conv2d_2, "padding") + and cast(tuple[int], conv2d_2.padding) > (0, 0) + ) + or conv2d_1.bias is None + ): + with torch.no_grad(): + if parametrize.is_parametrized(conv2d_2): + parametrization_dict = cast( + nn.ModuleDict, conv2d_2.parametrizations + ) + weight_parameterizations = cast( + ParametrizationList, parametrization_dict.weight + ) + weight_parameterizations.original = nn.Parameter( + weight_parameterizations.original[:, mask] + ) + conv2d_2.in_channels = weight_parameterizations.original.shape[1] + else: + conv2d_2.weight = nn.Parameter(conv2d_2.weight[:, mask]) + conv2d_2.in_channels = conv2d_2.weight.shape[1] + + +def prune_conv2d_pool_activation_conv2d( + c1: nn.Conv2d, + pool: nn.Module, + activation: Optional[Callable[[Tensor], Tensor]], + c2: nn.Conv2d, +) -> None: + prune_conv2d_activation_conv2d(c1, activation, c2) + + +def prune_conv2d_activation_pool_conv2d( + c1: nn.Conv2d, + activation: Optional[Callable[[Tensor], Tensor]], + pool: nn.Module, + c2: nn.Conv2d, +) -> None: + prune_conv2d_activation_conv2d(c1, activation, c2) + + +def prune_conv2d_pool_flatten_linear( + conv2d: nn.Conv2d, + pool: nn.Module, + flatten: Optional[Callable[[Tensor], Tensor]], + linear: nn.Linear, +) -> None: + mask = _prune_conv2d_helper(conv2d) + + # We map the pruned indices of the Conv2d output to the flattened indices of the Linear following the Flatten layer. + # we determine the flattening scale (h * w), and readjust `first_pruned_indices` + # (each idx maps to range idx * h * w to (idx+1) * h * w), `first_valid_indices`, + # and `pruned_biases` (repeat each bias by h * w). + if parametrize.is_parametrized(linear): + parametrization_dict = cast(nn.ModuleDict, linear.parametrizations) + weight_parameterizations = cast( + ParametrizationList, parametrization_dict.weight + ) + linear_ic = weight_parameterizations.original.shape[1] + else: + linear_ic = linear.weight.shape[1] + + conv2d_oc = len(mask) + assert ( + linear_ic % conv2d_oc == 0 + ), f"Flattening from dimensions {conv2d_oc} to {linear_ic} not supported" + + flatten_scale = linear_ic // conv2d_oc + flattened_mask = torch.tensor( + [[val] * flatten_scale for val in mask], dtype=torch.bool, device=mask.device + ).flatten() + + if getattr(conv2d, "prune_bias", False): + _prune_module_bias(conv2d, mask) + else: + pruned_biases = cast(Tensor, _propagate_module_bias(conv2d, mask)) + flattened_pruned_biases = torch.tensor( + [[bias] * flatten_scale for bias in pruned_biases], device=mask.device + ).flatten() + linear.bias = _get_adjusted_next_layer_bias( + linear, flattened_pruned_biases, flattened_mask + ) + + with torch.no_grad(): + if parametrize.is_parametrized(linear): + parametrization_dict = cast(nn.ModuleDict, linear.parametrizations) + weight_parameterizations = cast( + ParametrizationList, parametrization_dict.weight + ) + weight_parameterizations.original = nn.Parameter( + weight_parameterizations.original[:, flattened_mask] + ) + linear.in_features = weight_parameterizations.original.shape[1] + else: + linear.weight = nn.Parameter(linear.weight[:, flattened_mask]) + linear.in_features = linear.weight.shape[1] + + +def prune_lstm_output_linear( + lstm: nn.LSTM, getitem: Callable, linear: nn.Linear +) -> None: + prune_lstm_output_layernorm_linear(lstm, getitem, None, linear) + + +def prune_lstm_output_layernorm_linear( + lstm: nn.LSTM, + getitem: Callable, + layernorm: Optional[nn.LayerNorm], + linear: nn.Linear, +) -> None: + for i in range(lstm.num_layers): + if parametrize.is_parametrized(lstm, f"weight_ih_l{i}"): + parametrization_dict = cast(nn.ModuleDict, lstm.parametrizations) + weight_parameterizations = cast( + ParametrizationList, parametrization_dict[f"weight_ih_l{i}"] + ) + mask = weight_parameterizations[0].mask + + with torch.no_grad(): + parametrize.remove_parametrizations( + lstm, f"weight_ih_l{i}", leave_parametrized=True + ) + setattr( + lstm, + f"weight_ih_l{i}", + nn.Parameter(getattr(lstm, f"weight_ih_l{i}")[mask]), + ) + setattr( + lstm, + f"bias_ih_l{i}", + nn.Parameter(getattr(lstm, f"bias_ih_l{i}")[mask]), + ) + + if parametrize.is_parametrized(lstm, f"weight_hh_l{i}"): + parametrization_dict = cast(nn.ModuleDict, lstm.parametrizations) + weight_parameterizations = cast( + ParametrizationList, parametrization_dict[f"weight_hh_l{i}"] + ) + mask = weight_parameterizations[0].mask + + with torch.no_grad(): + parametrize.remove_parametrizations( + lstm, f"weight_hh_l{i}", leave_parametrized=True + ) + # splitting out hidden-hidden masks + W_hi, W_hf, W_hg, W_ho = torch.split( + getattr(lstm, f"weight_hh_l{i}"), lstm.hidden_size + ) + M_hi, M_hf, M_hg, M_ho = torch.split(mask, lstm.hidden_size) # type: ignore[arg-type] + + # resize each individual weight separately + W_hi = W_hi[M_hi][:, M_hi] + W_hf = W_hf[M_hf][:, M_hf] + W_hg = W_hg[M_hg][:, M_hg] + W_ho = W_ho[M_ho][:, M_ho] + + # concat, use this as new weight + new_weight = torch.cat((W_hi, W_hf, W_hg, W_ho)) + setattr(lstm, f"weight_hh_l{i}", nn.Parameter(new_weight)) + setattr( + lstm, + f"bias_hh_l{i}", + nn.Parameter(getattr(lstm, f"bias_hh_l{i}")[mask]), + ) + + # If this is the final layer, then we need to prune linear layer columns + if i + 1 == lstm.num_layers: + lstm.hidden_size = int(M_hi.sum()) + with torch.no_grad(): + if parametrize.is_parametrized(linear): + parametrization_dict = cast( + nn.ModuleDict, linear.parametrizations + ) + weight_parameterizations = cast( + ParametrizationList, parametrization_dict.weight + ) + + weight_parameterizations.original = nn.Parameter( + weight_parameterizations.original[:, M_ho] + ) + linear.in_features = weight_parameterizations.original.shape[1] + else: + linear.weight = nn.Parameter(linear.weight[:, M_ho]) + linear.in_features = linear.weight.shape[1] + + # if layernorm module, prune weight and bias + if layernorm is not None: + layernorm.normalized_shape = (linear.in_features,) + layernorm.weight = nn.Parameter(layernorm.weight[M_ho]) + layernorm.bias = nn.Parameter(layernorm.bias[M_ho]) + + # otherwise need to prune the columns of the input of the next LSTM layer + else: + with torch.no_grad(): + if parametrize.is_parametrized(lstm, f"weight_ih_l{i + 1}"): + parametrization_dict = cast( + nn.ModuleDict, lstm.parametrizations + ) + weight_parameterizations = cast( + ParametrizationList, + getattr(parametrization_dict, f"weight_ih_l{i + 1}"), + ) + + weight_parameterizations.original = nn.Parameter( + weight_parameterizations.original[:, M_ho] + ) + else: + next_layer_weight = getattr(lstm, f"weight_ih_l{i + 1}") + setattr( + lstm, + f"weight_ih_l{i + 1}", + nn.Parameter(next_layer_weight[:, M_ho]), + ) diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/saliency_pruner.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/saliency_pruner.py new file mode 100644 index 0000000000000000000000000000000000000000..a295b4622cc2d64714d4dab969a8923a6014a55d --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/_experimental/pruner/saliency_pruner.py @@ -0,0 +1,32 @@ +# mypy: allow-untyped-defs +from .base_structured_sparsifier import BaseStructuredSparsifier + + +class SaliencyPruner(BaseStructuredSparsifier): + """ + Prune rows based on the saliency (L1 norm) of each row. + + This pruner works on N-Dimensional weight tensors. + For each row, we will calculate the saliency, whic is the sum the L1 norm of all weights in that row. + We expect that the resulting saliency vector has the same shape as our mask. + We then pick elements to remove until we reach the target sparsity_level. + """ + + def update_mask(self, module, tensor_name, **kwargs): + # tensor_name will give you the FQN, all other entries in sparse config is present in kwargs + weights = getattr(module, tensor_name) + mask = getattr(module.parametrizations, tensor_name)[0].mask + + # use negative weights so we can use topk (we prune out the smallest) + if weights.dim() <= 1: + raise Exception( # noqa: TRY002 + "Structured pruning can only be applied to a 2+dim weight tensor!" + ) + saliency = -weights.norm(dim=tuple(range(1, weights.dim())), p=1) + assert saliency.shape == mask.shape + + num_to_pick = int(len(mask) * kwargs["sparsity_level"]) + prune = saliency.topk(num_to_pick).indices + + # Set the mask to be false for the rows we want to prune + mask.data[prune] = False diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/__init__.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/__pycache__/__init__.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..99af927900ceb88d5a9afce792685fd8a0ecc914 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/__pycache__/__init__.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/__pycache__/base_scheduler.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/__pycache__/base_scheduler.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..24a5ba8b814a90a23e64c421173e3465844a4d3b Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/__pycache__/base_scheduler.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/__pycache__/cubic_scheduler.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/__pycache__/cubic_scheduler.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..9887241a9a008295b96f6f8045e3a69de6728024 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/__pycache__/cubic_scheduler.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/__pycache__/lambda_scheduler.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/__pycache__/lambda_scheduler.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..5715f6371925bda03af34fa64e7239bad4a4e1ad Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/__pycache__/lambda_scheduler.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/base_scheduler.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/base_scheduler.py new file mode 100644 index 0000000000000000000000000000000000000000..f602028d475ce7b60c64bb953e3794a927283c75 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/base_scheduler.py @@ -0,0 +1,170 @@ +# mypy: allow-untyped-defs + +import warnings +import weakref +from functools import wraps + +from torch.ao.pruning.sparsifier.base_sparsifier import BaseSparsifier + + +__all__ = ["BaseScheduler"] + + +class BaseScheduler: + def __init__(self, sparsifier, last_epoch=-1, verbose=False): + # Attach sparsifier + if not isinstance(sparsifier, BaseSparsifier): + raise TypeError( + f"{type(sparsifier).__name__} is not an instance of torch.ao.pruning.BaseSparsifier" + ) + self.sparsifier = sparsifier + + # Initialize epoch and base sparsity levels + + self.base_sl = [group["sparsity_level"] for group in sparsifier.groups] + self.last_epoch = last_epoch + + # Following https://github.com/pytorch/pytorch/issues/20124 + # We would like to ensure that `scheduler.step()` is called after + # `sparsifier.step()` + def with_counter(method): + if getattr(method, "_with_counter", False): + # `sparsifier.step()` has already been replaced, return. + return method + + # Keep a weak reference to the sparsifier instance to prevent + # cyclic references. + instance_ref = weakref.ref(method.__self__) + # Get the unbound method for the same purpose. + func = method.__func__ + cls = instance_ref().__class__ + del method + + @wraps(func) + def wrapper(*args, **kwargs): + instance = instance_ref() + instance._step_count += 1 # type: ignore[union-attr] + wrapped = func.__get__(instance, cls) + return wrapped(*args, **kwargs) + + # Note that the returned function here is no longer a bound method, + # so attributes like `__func__` and `__self__` no longer exist. + wrapper._with_counter = True # type: ignore[attr-defined] + return wrapper + + self.sparsifier.step = with_counter(self.sparsifier.step) # type: ignore[assignment] + self.sparsifier._step_count = 0 # type: ignore[attr-defined] + self._step_count: int = 0 + self.verbose = verbose + + # Housekeeping + self._get_sl_called_within_step: bool = False + + self.step() + + def state_dict(self): + """Returns the state of the scheduler as a :class:`dict`. + + It contains an entry for every variable in self.__dict__ which + is not the sparsifier. + """ + return { + key: value for key, value in self.__dict__.items() if key != "sparsifier" + } + + def load_state_dict(self, state_dict): + """Loads the schedulers state. + + Args: + state_dict (dict): scheduler state. Should be an object returned + from a call to :meth:`state_dict`. + """ + self.__dict__.update(state_dict) + + def get_last_sl(self): + """Return last computed sparsity level by current scheduler.""" + return self._last_sl + + def get_sl(self): + # Compute sparsity level using chainable form of the scheduler + # Note: This method is not intended to be called directly, and is only + # used by the ".step" method. Use .get_last_sl() instead. + if not self._get_sl_called_within_step: + warnings.warn( + "To get the last sparsity level computed by the scheduler, " + "please use `get_last_sl()`." + ) + raise NotImplementedError + + def print_sl(self, is_verbose, group, sl, epoch=None): + """Display the current sparsity level.""" + if is_verbose: + if epoch is None: + print(f"Adjusting sparsity level of group {group} to {sl:.4e}.") + else: + print( + f"Epoch {epoch:5d}: adjusting sparsity level of group {group} to {sl:.4e}." + ) + + def __repr__(self): + format_string = self.__class__.__name__ + " (" + format_string += "\n" + format_string += f"Sparsifier {self.sparsifier}\n" + format_string += f" base_sl: {self.base_sl}\n" + format_string += ")" + return format_string + + def step(self, epoch=None): + # Raise warning if trying to call scheduler step before the sparsifier. + # https://github.com/pytorch/pytorch/issues/20124 + if self._step_count == 1: + if not hasattr(self.sparsifier.step, "_with_counter"): + warnings.warn( + "Seems like `sparsifier.step()` has been overridden after sparsity scheduler " + "initialization. Please, make sure to call `sparsifier.step()` before " + "`scheduler.step()`.", + UserWarning, + ) + + # Just check if there were two first scheduler.step() calls before sparsifier.step() + elif self.sparsifier._step_count < 1: # type: ignore[attr-defined] + warnings.warn( + "Detected call of `scheduler.step()` before `sparsifier.step()`. " + "You have to make sure you run the sparsifier.step() BEFORE any " + "calls to the scheduler.step().", + UserWarning, + ) + self._step_count += 1 + + class _enable_get_sl_call: + def __init__(self, o): + self.o = o + + def __enter__(self): + self.o._get_sl_called_within_step = True + return self + + def __exit__(self, type, value, traceback): + self.o._get_sl_called_within_step = False + + with _enable_get_sl_call(self): + self.last_epoch += 1 + values = self.get_sl() + + for i, data in enumerate(zip(self.sparsifier.groups, values)): + param_group, sl = data + param_group["sparsity_level"] = sl + self.print_sl(self.verbose, i, sl, epoch) + + self._last_sl = [group["sparsity_level"] for group in self.sparsifier.groups] + self.sparsifier.enable_mask_update = True + + def _make_sure_a_list(self, var): + r"""Utility that extends it to the same length as the .groups, ensuring it is a list""" + n = len(self.sparsifier.groups) + if not isinstance(var, (list, tuple)): + return [var] * n + else: + if len(var) != n: + raise ValueError(f"Expected variable of length {n}, but got {len(var)}") + return list(var) # We want the result to be in a list, not tuple diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/cubic_scheduler.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/cubic_scheduler.py new file mode 100644 index 0000000000000000000000000000000000000000..45985a8bbc524b3b1929b439ee100fef8ea23a1c --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/cubic_scheduler.py @@ -0,0 +1,113 @@ +# mypy: allow-untyped-defs +import warnings + +from .base_scheduler import BaseScheduler + + +__all__ = ["CubicSL"] + + +def _clamp(x, lo, hi): + return max(lo, min(hi, x)) + + +class CubicSL(BaseScheduler): + r"""Sets the sparsity level of each parameter group to the final sl + plus a given exponential function. + + .. math:: + + s_i = s_f + (s_0 - s_f) \cdot \left( 1 - \frac{t - t_0}{n\Delta t} \right)^3 + + where :math:`s_i` is the sparsity at epoch :math:`t`, :math;`s_f` is the final + sparsity level, :math:`f(i)` is the function to be applied to the current epoch + :math:`t`, initial epoch :math:`t_0`, and final epoch :math:`t_f`. + :math:`\Delta t` is used to control how often the update of the sparsity level + happens. By default, + + Args: + sparsifier (BaseSparsifier): Wrapped sparsifier. + init_sl (int, list): Initial level of sparsity + init_t (int, list): Initial step, when pruning starts + delta_t (int, list): Pruning frequency + total_t (int, list): Total number of pruning steps + initially_zero (bool, list): If True, sets the level of sparsity to 0 + before init_t (:math:`t_0`). Otherwise, the sparsity level before + init_t (:math:`t_0`) is set to init_sl(:math:`s_0`) + last_epoch (int): The index of last epoch. Default: -1. + verbose (bool): If ``True``, prints a message to stdout for + each update. Default: ``False``. + """ + + def __init__( + self, + sparsifier, + init_sl=0.0, + init_t=0, + delta_t=10, + total_t=100, + initially_zero=False, + last_epoch=-1, + verbose=False, + ): + self.sparsifier = sparsifier + + self.init_sl = self._make_sure_a_list(init_sl) + self.init_t = self._make_sure_a_list(init_t) + self.delta_t = self._make_sure_a_list(delta_t) + self.total_t = self._make_sure_a_list(total_t) + + self.initially_zero = self._make_sure_a_list(initially_zero) + + super().__init__(sparsifier, last_epoch, verbose) + + @staticmethod + def sparsity_compute_fn(s_0, s_f, t, t_0, dt, n, initially_zero=False): + r""" "Computes the current level of sparsity. + + Based on https://arxiv.org/pdf/1710.01878.pdf + + Args: + s_0: Initial level of sparsity, :math:`s_i` + s_f: Target level of sparsity, :math:`s_f` + t: Current step, :math:`t` + t_0: Initial step, :math:`t_0` + dt: Pruning frequency, :math:`\Delta T` + n: Pruning steps, :math:`n` + initially_zero: Sets the level of sparsity to 0 before t_0. + If False, sets to s_0 + + Returns: + The sparsity level :math:`s_t` at the current step :math:`t` + """ + if initially_zero and t < t_0: + return 0 + s_t = s_f + (s_0 - s_f) * (1.0 - (t - t_0) / (dt * n)) ** 3 + s_t = _clamp(s_t, s_0, s_f) + return s_t + + def get_sl(self): + if not self._get_sl_called_within_step: + warnings.warn( + "To get the last sparsity level computed by the scheduler, " + "please use `get_last_sl()`." + ) + return [ + self.sparsity_compute_fn( + s_0=initial_sparsity, + s_f=final_sparsity, + t=self.last_epoch, + t_0=initial_epoch, + dt=delta_epoch, + n=interval_epochs, + initially_zero=initially_zero, + ) + for initial_sparsity, final_sparsity, initial_epoch, delta_epoch, interval_epochs, initially_zero in zip( + self.init_sl, + self.base_sl, + self.init_t, + self.delta_t, + self.total_t, + self.initially_zero, + ) + ] diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/lambda_scheduler.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/lambda_scheduler.py new file mode 100644 index 0000000000000000000000000000000000000000..07e95b5248119ad96f6d3b9bd35ddd35f906a57a --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/scheduler/lambda_scheduler.py @@ -0,0 +1,55 @@ +# mypy: allow-untyped-defs +import warnings + +from .base_scheduler import BaseScheduler + + +__all__ = ["LambdaSL"] + + +class LambdaSL(BaseScheduler): + """Sets the sparsity level of each parameter group to the final sl + times a given function. When last_epoch=-1, sets initial sl as zero. + Args: + sparsifier (BaseSparsifier): Wrapped sparsifier. + sl_lambda (function or list): A function which computes a multiplicative + factor given an integer parameter epoch, or a list of such + functions, one for each group in sparsifier.param_groups. + last_epoch (int): The index of last epoch. Default: -1. + verbose (bool): If ``True``, prints a message to stdout for + each update. Default: ``False``. + Example: + >>> # Assuming sparsifier has two groups. + >>> lambda1 = lambda epoch: epoch // 30 + >>> lambda2 = lambda epoch: 0.95 ** epoch + >>> # xdoctest: +SKIP + >>> scheduler = LambdaSL(sparsifier, sl_lambda=[lambda1, lambda2]) + >>> for epoch in range(100): + >>> train(...) + >>> validate(...) + >>> scheduler.step() + """ + + def __init__(self, sparsifier, sl_lambda, last_epoch=-1, verbose=False): + self.sparsifier = sparsifier + + if not isinstance(sl_lambda, list) and not isinstance(sl_lambda, tuple): + self.sl_lambdas = [sl_lambda] * len(sparsifier.groups) + else: + if len(sl_lambda) != len(sparsifier.groups): + raise ValueError( + f"Expected {len(sparsifier.groups)} lr_lambdas, but got {len(sl_lambda)}" + ) + self.sl_lambdas = list(sl_lambda) + super().__init__(sparsifier, last_epoch, verbose) + + def get_sl(self): + if not self._get_sl_called_within_step: + warnings.warn( + "To get the last sparsity level computed by the scheduler, " + "please use `get_last_sl()`." + ) + return [ + base_sl * lmbda(self.last_epoch) + for lmbda, base_sl in zip(self.sl_lambdas, self.base_sl) + ] diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/__init__.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/__pycache__/__init__.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..3addd52573108f878c437b22c9266deaa1d311c3 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/__pycache__/__init__.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/__pycache__/base_sparsifier.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/__pycache__/base_sparsifier.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..6f401ff3d583e40896f9a3649be7a41c8a5c7efe Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/__pycache__/base_sparsifier.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/__pycache__/nearly_diagonal_sparsifier.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/__pycache__/nearly_diagonal_sparsifier.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..44b98f5a6c9425a0639d45d733f07179f9c8a901 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/__pycache__/nearly_diagonal_sparsifier.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/__pycache__/utils.cpython-312.pyc b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/__pycache__/utils.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..edabbca8d3a202e8f71947376de25f9163ec3987 Binary files /dev/null and b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/__pycache__/utils.cpython-312.pyc differ diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/base_sparsifier.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/base_sparsifier.py new file mode 100644 index 0000000000000000000000000000000000000000..ed233b0f0b5a964c3afbe468c044b90c9a74ca82 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/base_sparsifier.py @@ -0,0 +1,351 @@ +# mypy: allow-untyped-defs +import abc +import copy +from collections import defaultdict +from typing import Any, Optional + +import torch +from torch import nn +from torch.nn.utils import parametrize +from torch.nn.utils.parametrize import type_before_parametrizations + +from .utils import ( + FakeSparsity, + get_arg_info_from_tensor_fqn, + module_contains_param, + module_to_fqn, + swap_module, +) + + +__all__ = ["BaseSparsifier"] + +SUPPORTED_MODULES = {nn.Linear} + +KEYS_NOT_IN_STATE_DICT = ["module", "module_fqn", "tensor_name"] + + +# TODO update desc with new config args +class BaseSparsifier(abc.ABC): + r"""Base class for all sparsifiers. + + Abstract methods that need to be implemented: + + - update_mask: Function to compute a new mask for all keys in the + `groups`. + + Args: + - model [nn.Module]: model to configure. The model itself is not saved + but used for the state_dict saving / loading. + - config [list]: configuration elements should be a dict map that includes + `tensor_fqn` of tensors to sparsify + - defaults [dict]: default configurations will be attached to the + configuration. Only the keys that don't exist in the `config` will + be updated. + + Example:: + + >>> # xdoctest: +SKIP("Can't instantiate abstract class BaseSparsifier with abstract method update_mask") + >>> config = [{'tensor_fqn': 'layer1.weight', 'tensor_fqn': 'linear2.weight2', 'sparsity_level': 0.5}] + >>> defaults = {'sparsity_level': 0.7} + >>> # model.layer1.weight will have `sparsity_level` = 0.7 (getting default) + >>> sparsifier = BaseSparsifier(config, defaults) + """ + + def __init__(self, defaults: Optional[dict[str, Any]] = None): + super().__init__() + self.defaults: dict[str, Any] = defaults or {} + + self.state: dict[str, dict] = defaultdict(dict) + self.groups: list[dict[str, Any]] = [] + self.enable_mask_update = True + + def __getstate__(self) -> dict[str, Any]: + return { + "defaults": self.defaults, + "state": self.state, + "groups": self.groups, + } + + def __setstate__(self, state: dict[str, dict[str, Any]]) -> None: + self.__dict__.update(state) + + def __repr__(self): + format_string = self.__class__.__name__ + " (" + for i, sparse_args in enumerate(self.groups): + module = sparse_args["module"] + format_string += "\n" + format_string += f"\tGroup {i}\n" + format_string += f"\t module: {module}\n" + for key in sorted(sparse_args.keys()): + if key == "module": + continue + format_string += f"\t {key}: {sparse_args[key]}\n" + format_string += ")" + return format_string + + def state_dict(self) -> dict[str, Any]: + r"""Returns the state of the optimizer as a :class:`dict`. + + It contains: + * state - current state of the sparsification. + * groups - a list containing all sparsity configuration groups + with the key 'tensor_fqn' specifying the path to the sparsified tensor within a model + + TODO: Need a clean way of loading the state of the "prepared" module + """ + + groups: list[dict[str, Any]] = [ + dict( + filter( + lambda key_value: key_value[0] not in KEYS_NOT_IN_STATE_DICT, + mg.items(), + ) + ) + for mg in self.groups + ] + + return { + "state": self.state, + "groups": groups, + } + + def load_state_dict(self, state_dict: dict[str, Any], strict: bool = True): + groups = copy.deepcopy(state_dict["groups"]) + states = state_dict["state"] + for tensor_fqn, s in states.items(): + arg_info = get_arg_info_from_tensor_fqn(self.model, tensor_fqn) + module = arg_info["module"] + tensor_name = arg_info["tensor_name"] + if strict and module is None: + raise RuntimeError(f"Error loading {tensor_fqn} into the model") + + found = False + for p in module.parametrizations[tensor_name]: + if isinstance(p, FakeSparsity): + found = True + break + if not found: + p = FakeSparsity(torch.ones(getattr(module, tensor_name).shape)) + parametrize.register_parametrization(module, tensor_name, p) + if s.get("mask", None) is not None: + mask = s.pop("mask") + p.mask = mask + + for mg in groups: + if mg["tensor_fqn"] == tensor_fqn: + mg.update(arg_info) + self.__setstate__({"state": states, "groups": groups}) + + def make_config_from_model( + self, + model: nn.Module, + SUPPORTED_MODULES: set[type[nn.Linear]] = SUPPORTED_MODULES, + ) -> None: + self.config = [] + stack = [model] + while stack: + module = stack.pop() + for _name, child in module.named_children(): + if type(child) in SUPPORTED_MODULES: + module_fqn = module_to_fqn(model, child) + assert isinstance(module_fqn, str) # for mypy + self.config.append({"tensor_fqn": module_fqn + ".weight"}) + else: + stack.append(child) + + def prepare(self, model, config): + r"""Prepares a model, by adding the parametrizations. + + Note:: + + The model is modified inplace. If you need to preserve the original + model, use copy.deepcopy. + """ + self.model = model # TODO: Need to figure out how to load without this. + self.config = config + + # If no config -- try getting all the supported layers + if self.config is None: + self.make_config_from_model(model) + + # TODO: Remove the configuration by reference ('module') + for module_config in self.config: + assert isinstance(module_config, dict), ( + "config elements should be dicts not modules i.e.:" + "[{`tensor_fqn`: `foo.bar.weight`}, {`tensor_fqn`: ... }, ...]" + ) + + assert isinstance(self.defaults, dict) # for mypy + local_args = copy.deepcopy(self.defaults) + local_args.update(module_config) + + tensor_fqn = local_args.get("tensor_fqn", None) + assert tensor_fqn is not None, ( + "tensor_fqn is a required argument in the sparsity config which" + "replaces previous `module` and [module]`fqn` arguments" + ) + + # populate all information from tensor_fqn + info_from_tensor_fqn = get_arg_info_from_tensor_fqn(model, tensor_fqn) + + # check that whatever was put into local_args agrees with what was obtained + # from tensor_fqn + for key in info_from_tensor_fqn.keys(): + if key in local_args: + assert ( + info_from_tensor_fqn[key] == local_args[key] + or ( + key == "tensor_fqn" + and "." + info_from_tensor_fqn[key] == local_args[key] + ) + # info_from_tensor_fqn will chop leading '.' from tensor_fqn so ignore that + ), f"Given both `{key}` and `tensor_fqn` in the config, it is expected them to agree!" + local_args.update(info_from_tensor_fqn) + self.groups.append(local_args) + self._prepare() + + def _prepare(self, *args, **kwargs): + r"""Adds mask parametrization to the layer weight""" + for config in self.groups: + module = config["module"] + tensor_name = config["tensor_name"] + parametrization = config.get("parametrization", FakeSparsity) + mask = config.get("mask", torch.ones_like(getattr(module, tensor_name))) + self.state[config["tensor_fqn"]]["mask"] = mask + parametrize.register_parametrization( + module, tensor_name, parametrization(mask) + ) + + def squash_mask( + self, + params_to_keep: Optional[tuple[str, ...]] = None, + params_to_keep_per_layer: Optional[dict[str, tuple[str, ...]]] = None, + *args, + **kwargs, + ): + r"""Squashes the sparse masks into the appropriate tensors. + + If either the `params_to_keep` or `params_to_keep_per_layer` is set, + the module will have a `sparse_params` dict attached to it. + + Args: + params_to_keep: List of keys to save in the module or a dict + representing the modules and keys that will have + sparsity parameters saved + params_to_keep_per_layer: Dict to specify the params that should be + saved for specific layers. The keys in the dict + should be the module fqn, while the values should + be a list of strings with the names of the variables + to save in the `sparse_params` + + Examples: + >>> # xdoctest: +SKIP("locals are undefined") + >>> # Don't save any sparse params + >>> sparsifier.squash_mask() + >>> hasattr(model.submodule1, 'sparse_params') + False + + >>> # Keep sparse params per layer + >>> sparsifier.squash_mask( + ... params_to_keep_per_layer={ + ... 'submodule1.linear1': ('foo', 'bar'), + ... 'submodule2.linear42': ('baz',) + ... }) + >>> print(model.submodule1.linear1.sparse_params) + {'foo': 42, 'bar': 24} + >>> print(model.submodule2.linear42.sparse_params) + {'baz': 0.1} + + >>> # Keep sparse params for all layers + >>> sparsifier.squash_mask(params_to_keep=('foo', 'bar')) + >>> print(model.submodule1.linear1.sparse_params) + {'foo': 42, 'bar': 24} + >>> print(model.submodule2.linear42.sparse_params) + {'foo': 42, 'bar': 24} + + >>> # Keep some sparse params for all layers, and specific ones for + >>> # some other layers + >>> sparsifier.squash_mask( + ... params_to_keep=('foo', 'bar'), + ... params_to_keep_per_layer={ + ... 'submodule2.linear42': ('baz',) + ... }) + >>> print(model.submodule1.linear1.sparse_params) + {'foo': 42, 'bar': 24} + >>> print(model.submodule2.linear42.sparse_params) + {'foo': 42, 'bar': 24, 'baz': 0.1} + """ + for config in self.groups: + module = config["module"] + tensor_name = config["tensor_name"] + parametrize.remove_parametrizations( + module, tensor_name, leave_parametrized=True + ) + sparse_params = {} + if params_to_keep is not None: + global_params = {k: config[k] for k in params_to_keep} + sparse_params.update(global_params) + if params_to_keep_per_layer is not None: + params = params_to_keep_per_layer.get(config["module_fqn"], None) + if params is not None: + per_layer_params = {k: config[k] for k in params} + sparse_params.update(per_layer_params) + if sparse_params: + # TODO handle multiple tensor being quantized on a single module, where to store sparse_params? + module.sparse_params = sparse_params + + def convert( + self, + module: nn.Module, + mapping: Optional[dict[type[nn.Module], type[nn.Module]]] = None, + inplace: bool = False, + parameterization: type[nn.Module] = FakeSparsity, + ): + r"""Converts submodules in input module to a different module according to `mapping` + by calling `from_dense` method on the target module class + Args: + module: input module + mapping: a dictionary that maps from source module type to target + module type, can be overwritten to allow swapping user defined + Modules + inplace: carry out model transformations in-place, the original module + is mutated + """ + if mapping is None: + raise NotImplementedError("Need to auto generate mapping ") + if not inplace: + module = copy.deepcopy(module) + + reassign = {} + for name, mod in module.named_children(): + # leaf node + if ( + module_contains_param(mod, parameterization) + and type_before_parametrizations(mod) in mapping + ): + reassign[name] = swap_module(mod, mapping) + else: + # recurse + reassign[name] = self.convert( + mod, + mapping=mapping, + inplace=True, + parameterization=parameterization, + ) + + for key, value in reassign.items(): + module._modules[key] = value + + return module + + def step(self, use_path: bool = True) -> None: + if not self.enable_mask_update: + return + with torch.no_grad(): + for config in self.groups: + self.update_mask(**config) + + @abc.abstractmethod + def update_mask(self, module: nn.Module, tensor_name: str, **kwargs): + pass diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/nearly_diagonal_sparsifier.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/nearly_diagonal_sparsifier.py new file mode 100644 index 0000000000000000000000000000000000000000..a4d42ea803289c5864c0c669e6b3e8fef062246a --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/nearly_diagonal_sparsifier.py @@ -0,0 +1,60 @@ +# mypy: allow-untyped-defs +import torch + +from . import base_sparsifier + + +class NearlyDiagonalSparsifier(base_sparsifier.BaseSparsifier): + r"""Nearly Diagonal Sparsifier + + This sparsifier creates a nearly diagonal mask to be applied to the weight matrix. + Nearly Diagonal Matrix is a matrix that contains non-zero elements near the diagonal and the rest are zero. + An example of a nearly diagonal matrix with degree (or nearliness) 3 and 5 are follows respectively. + 1 1 0 0 1 1 1 0 + 1 1 1 0 1 1 1 1 + 0 1 1 1 1 1 1 1 + 0 0 1 1 0 1 1 1 + Note that a nearly diagonal matrix with degree 1 is just a matrix with main diagonal populated + + This sparsifier is controlled by one variable: + 1. `nearliness` defines the number of non-zero diagonal lines that are closest to the main diagonal. + Currently - supports only odd number + + Note: + This can be accelerated (vectorized) once the Spdiagonal feature (PR: #78439) is landed or the banded matrix + feature is landed: https://stackoverflow.com/questions/52463972/generating-banded-matrices-using-numpy + + Args: + nearliness: The degree of nearliness (default = 1) + + """ + + def __init__(self, nearliness: int = 1): + defaults = {"nearliness": nearliness} + super().__init__(defaults=defaults) + + def update_mask( # type:ignore[override] + self, module, tensor_name, nearliness, **kwargs + ): + mask = getattr(module.parametrizations, tensor_name)[0].mask + mask.data = torch.zeros_like(mask) + if nearliness <= 0: + return + + tensor = getattr(module, tensor_name) + height, width = tensor.shape + + if nearliness % 2 == 0: + raise ValueError("nearliness can only be an odd number") + dist_to_diagonal = nearliness // 2 + # check + if dist_to_diagonal >= min(height, width): + raise ValueError( + "nearliness cannot be larger than the dimensions of tensor." + ) + + for row in range(0, height): + # Bounds of entries that needs to be set to 1 + low = max(0, row - dist_to_diagonal) + high = min(width, row + dist_to_diagonal + 1) + mask[row, low:high].fill_(1) diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/utils.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/utils.py new file mode 100644 index 0000000000000000000000000000000000000000..4b7ce0ec44687aed0c02582f0735dc02150e35ed --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/utils.py @@ -0,0 +1,138 @@ +# mypy: allow-untyped-defs +from itertools import chain +from typing import Any, Optional + +from torch import nn +from torch.nn.utils.parametrize import is_parametrized, type_before_parametrizations + + +__all__ = [ + "module_contains_param", + "swap_module", + "module_to_fqn", + "fqn_to_module", + "get_arg_info_from_tensor_fqn", + "FakeSparsity", +] + + +def module_contains_param(module: nn.Module, parametrization: type[nn.Module]) -> bool: + if is_parametrized(module): + # see if any of the module tensors have a parametriztion attached that matches the one passed in + return any( + any(isinstance(param, parametrization) for param in param_list) + for key, param_list in module.parametrizations.items() # type: ignore[union-attr,operator] + ) + return False + + +def swap_module( + mod: nn.Module, mapping: dict[type[nn.Module], type[nn.Module]] +) -> nn.Module: + r"""Swaps the module using from_dense according to the mapping passed in. + Args: + mod: input module + mapping: a dictionary that maps from nn module to sparse nn module + Return: + The corresponding sparse module of `mod` according to mapping, created using from_dense + """ + if type_before_parametrizations(mod) in mapping: + sparse_mod = mapping[type_before_parametrizations(mod)] + + # TODO Fix this typing, as Type[Module] has no attribute "from_dense" + new_mod = sparse_mod.from_dense(mod) # type: ignore[attr-defined] + + # Preserve module's pre forward hooks. They'll be called on quantized input + for pre_hook_fn in mod._forward_pre_hooks.values(): + new_mod.register_forward_pre_hook(pre_hook_fn) + # Preserve module's post forward hooks except _observer_forward_hook + # After convert they'll work with quantized output + for hook_fn in mod._forward_hooks.values(): + new_mod.register_forward_hook(hook_fn) + + # respect device affinity when swapping modules + devices = {p.device for p in chain(mod.parameters(), mod.buffers())} + assert ( + len(devices) <= 1 + ), f"swap_module only works with cpu or single-device CUDA modules, but got devices {devices}" + device = next(iter(devices)) if len(devices) > 0 else None + if device: + new_mod.to(device) + + return new_mod + + else: + return mod + + +def module_to_fqn( + model: nn.Module, module: nn.Module, prefix: str = "" +) -> Optional[str]: + """ + Returns the fqn for a module or None if module not a descendent of model. + """ + if module is model: + return "" + for name, child in model.named_children(): + fqn = module_to_fqn(child, module, ".") + if isinstance(fqn, str): + return prefix + name + fqn + return None + + +def fqn_to_module(model: Optional[nn.Module], path: str) -> Optional[nn.Module]: + """ + Given an fqn, returns the corresponding module or tensor or None if the fqn given by `path` + doesn't correspond to anything. Similar to model.get_submodule(path) but works for tensors. + """ + if path != "": + for name in path.split("."): + model = getattr(model, name, None) + return model + + +def get_arg_info_from_tensor_fqn(model: nn.Module, tensor_fqn: str) -> dict[str, Any]: + """ + Uses tensor_fqn to obtain a dict containing module_fqn, module and tensor_name + """ + # string manip to split tensor_fqn into module_fqn and tensor_name + # if tensor_fqn is 'weight' then module_fqn and tensor_name are '' and 'weight' + # if tensor_fqn is 'linear.weight' then module_fqn and tensor_name are 'linear' and 'weight' + tensor_name = tensor_fqn.split(".")[-1] + module_fqn = tensor_fqn[: -len(tensor_name) - ("." in tensor_fqn)] + + module = fqn_to_module(model, module_fqn) + + return { + "module_fqn": module_fqn, + "module": module, + "tensor_name": tensor_name, + "tensor_fqn": tensor_fqn, + } + + +# Parametrizations +class FakeSparsity(nn.Module): + r"""Parametrization for the weights. Should be attached to the 'weight' or + any other parameter that requires a mask applied to it. + + Note:: + + Once the mask is passed, the variable should not change the id. The + contents of the mask can change, but the mask reference itself should + not. + """ + + def __init__(self, mask): + super().__init__() + self.register_buffer("mask", mask) + + def forward(self, x): + assert self.mask.shape == x.shape + return self.mask * x + + def state_dict(self, *args, **kwargs): + # We don't want to let the parametrizations to save the mask. + # That way we make sure that the linear module doesn't store the masks + # alongside their parametrizations. + return {} diff --git a/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/weight_norm_sparsifier.py b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/weight_norm_sparsifier.py new file mode 100644 index 0000000000000000000000000000000000000000..58c0f7efa37d1edc4ad6dccc2d9cb61968cb0b92 --- /dev/null +++ b/tool_server/.venv/lib/python3.12/site-packages/torch/ao/pruning/sparsifier/weight_norm_sparsifier.py @@ -0,0 +1,248 @@ +# mypy: allow-untyped-defs +import operator +from functools import reduce +from typing import Callable, Optional, Union + +import torch +import torch.nn.functional as F + +from .base_sparsifier import BaseSparsifier + + +__all__ = ["WeightNormSparsifier"] + + +def _flat_idx_to_2d(idx, shape): + rows = idx // shape[1] + cols = idx % shape[1] + return rows, cols + + +class WeightNormSparsifier(BaseSparsifier): + r"""Weight-Norm Sparsifier + + This sparsifier computes the norm of every sparse block and "zeroes-out" the + ones with the lowest norm. The level of sparsity defines how many of the + blocks is removed. + + This sparsifier is controlled by three variables: + 1. `sparsity_level` defines the number of *sparse blocks* that are zeroed-out + 2. `sparse_block_shape` defines the shape of the sparse blocks. Note that + the sparse blocks originate at the zero-index of the tensor. + 3. `zeros_per_block` is the number of zeros that we are expecting in each + sparse block. By default we assume that all elements within a block are + zeroed-out. However, setting this variable sets the target number of + zeros per block. The zeros within each block are chosen as the *smallest + absolute values*. + + Args: + + sparsity_level: The target level of sparsity + sparse_block_shape: The shape of a sparse block (see note below) + zeros_per_block: Number of zeros in a sparse block + norm: Norm to use. Could be either `int` or a callable. + If `int`, only L1 and L2 are implemented. + + Note:: + The `sparse_block_shape` is tuple representing (block_ROWS, block_COLS), + irrespective of what the rows / cols mean in the data tensor. That means, + if you were to sparsify a weight tensor in the nn.Linear, which has a + weight shape `(Cout, Cin)`, the `block_ROWS` would refer to the output + channels, while the `block_COLS` would refer to the input channels. + + Note:: + All arguments to the WeightNormSparsifier constructor are "default" + arguments and could be overriden by the configuration provided in the + `prepare` step. + """ + + def __init__( + self, + sparsity_level: float = 0.5, + sparse_block_shape: tuple[int, int] = (1, 4), + zeros_per_block: Optional[int] = None, + norm: Optional[Union[Callable, int]] = None, + ): + if zeros_per_block is None: + zeros_per_block = reduce(operator.mul, sparse_block_shape) + defaults = { + "sparsity_level": sparsity_level, + "sparse_block_shape": sparse_block_shape, + "zeros_per_block": zeros_per_block, + } + if norm is None: + norm = 2 + if callable(norm): + self.norm_fn = norm + elif norm == 1: + self.norm_fn = lambda T: T.abs() + elif norm == 2: + self.norm_fn = lambda T: T * T + else: + raise NotImplementedError(f"L-{norm} is not yet implemented.") + super().__init__(defaults=defaults) + + def _scatter_fold_block_mask( + self, + output_shape, + dim, + indices, + block_shape, + mask=None, + input_shape=None, + device=None, + ): + r"""Creates patches of size `block_shape` after scattering the indices.""" + if mask is None: + assert input_shape is not None + mask = torch.ones(input_shape, device=device) + mask.scatter_(dim=dim, index=indices, value=0) + mask.data = F.fold( + mask, output_size=output_shape, kernel_size=block_shape, stride=block_shape + ) + return mask + + def _make_tensor_mask( + self, data, input_shape, sparsity_level, sparse_block_shape, mask=None + ): + r"""Creates a tensor-level mask. + + Tensor-level mask is described as a mask, where the granularity of sparsification of the + smallest patch is the sparse_block_shape. That means, that for a given mask and a + sparse_block_shape, the smallest "patch" of zeros/ones could be the sparse_block_shape. + + In this context, `sparsity_level` describes the fraction of sparse patches. + """ + h, w = data.shape[-2:] + block_h, block_w = sparse_block_shape + dh = (block_h - h % block_h) % block_h + dw = (block_w - w % block_w) % block_w + + if mask is None: + mask = torch.ones(h + dh, w + dw, device=data.device) + + if sparsity_level >= 1.0: + mask.data = torch.zeros_like(mask) + return mask + elif sparsity_level <= 0.0: + mask.data = torch.ones_like(mask) + return mask + + values_per_block = reduce(operator.mul, sparse_block_shape) + if values_per_block > 1: + # Reduce the data + data = F.avg_pool2d( + data[None, None, :], + kernel_size=sparse_block_shape, + stride=sparse_block_shape, + ceil_mode=True, + ) + data = data.flatten() + num_blocks = len(data) + + data = data.repeat(1, values_per_block, 1) + + threshold_idx = int(round(sparsity_level * num_blocks)) + threshold_idx = max(0, min(num_blocks - 1, threshold_idx)) # Sanity check + _, sorted_idx = torch.topk(data, k=threshold_idx, dim=2, largest=False) + + # Temp reshape for mask + mask_reshape = mask.reshape(data.shape) # data might be reshaped + self._scatter_fold_block_mask( + dim=2, + output_shape=(h + dh, w + dw), + indices=sorted_idx, + block_shape=sparse_block_shape, + mask=mask_reshape, + ) + mask.data = mask_reshape.squeeze().reshape(mask.shape)[:h, :w].contiguous() + return mask + + def _make_block_mask(self, data, sparse_block_shape, zeros_per_block, mask=None): + r"""Creates a block-level mask. + + Block-level mask is described as a mask, where the granularity of sparsification of the + largest patch is the sparse_block_shape. That means that for a given mask and a + sparse_block_shape, the sparsity is computed only within a patch of a size sparse_block_shape. + + In this context the `zeros_per_block` describes the number of zeroed-out elements within a patch. + """ + h, w = data.shape[-2:] + block_h, block_w = sparse_block_shape + dh = (block_h - h % block_h) % block_h + dw = (block_w - w % block_w) % block_w + values_per_block = reduce(operator.mul, sparse_block_shape) + + if mask is None: + mask = torch.ones((h + dh, w + dw), device=data.device) + + if values_per_block == zeros_per_block: + # Everything should be sparsified + mask.data = torch.zeros_like(mask) + return mask + + # create a new padded tensor like data (to match the block_shape) + padded_data = torch.ones(h + dh, w + dw, dtype=data.dtype, device=data.device) + padded_data.fill_(torch.nan) + padded_data[:h, :w] = data + unfolded_data = F.unfold( + padded_data[None, None, :], + kernel_size=sparse_block_shape, + stride=sparse_block_shape, + ) + + # Temp reshape for mask + mask_reshape = mask.reshape(unfolded_data.shape) + _, sorted_idx = torch.topk( + unfolded_data, k=zeros_per_block, dim=1, largest=False + ) + + self._scatter_fold_block_mask( + dim=1, + indices=sorted_idx, + output_shape=padded_data.shape, + block_shape=sparse_block_shape, + mask=mask_reshape, + ) + + mask.data = mask_reshape.squeeze().reshape(mask.shape).contiguous() + return mask + + def update_mask( # type: ignore[call-override, override] + self, + module, + tensor_name, + sparsity_level, + sparse_block_shape, + zeros_per_block, + **kwargs, + ): + values_per_block = reduce(operator.mul, sparse_block_shape) + if zeros_per_block > values_per_block: + raise ValueError( + "Number of zeros per block cannot be more than the total number of elements in that block." + ) + if zeros_per_block < 0: + raise ValueError("Number of zeros per block should be positive.") + + mask = getattr(module.parametrizations, tensor_name)[0].mask + if sparsity_level <= 0 or zeros_per_block == 0: + mask.data = torch.ones_like(mask) + elif sparsity_level >= 1.0 and (zeros_per_block == values_per_block): + mask.data = torch.zeros_like(mask) + else: + ww = self.norm_fn(getattr(module, tensor_name)) + tensor_mask = self._make_tensor_mask( + data=ww, + input_shape=ww.shape, + sparsity_level=sparsity_level, + sparse_block_shape=sparse_block_shape, + ) + if values_per_block != zeros_per_block: + block_mask = self._make_block_mask( + data=ww, + sparse_block_shape=sparse_block_shape, + zeros_per_block=zeros_per_block, + ) + tensor_mask = torch.logical_or(tensor_mask, block_mask) + mask.data = tensor_mask