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class TFLayoutLMv3SelfAttention(keras.layers.Layer): def __init__(self, config: LayoutLMv3Config, **kwargs): super().__init__(**kwargs) if config.hidden_size % config.num_attention_heads != 0: raise ValueError( f"The hidden size ({config.hidden_size}) is not a multiple of...
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class TFLayoutLMv3SelfOutput(keras.layers.Layer): def __init__(self, config: LayoutLMv3Config, **kwargs): super().__init__(**kwargs) self.dense = keras.layers.Dense( units=config.hidden_size, kernel_initializer=get_initializer(config.initializer_range), name="dense" ) se...
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class TFLayoutLMv3Attention(keras.layers.Layer): def __init__(self, config: LayoutLMv3Config, **kwargs): super().__init__(**kwargs) self.self_attention = TFLayoutLMv3SelfAttention(config, name="self") self.self_output = TFLayoutLMv3SelfOutput(config, name="output") def call( sel...
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class TFLayoutLMv3Intermediate(keras.layers.Layer): def __init__(self, config: LayoutLMv3Config, **kwargs): super().__init__(**kwargs) self.dense = keras.layers.Dense( units=config.intermediate_size, kernel_initializer=get_initializer(config.initializer_range), name="dense" ) ...
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class TFLayoutLMv3Output(keras.layers.Layer): def __init__(self, config: LayoutLMv3Config, **kwargs): super().__init__(**kwargs) self.dense = keras.layers.Dense( units=config.hidden_size, kernel_initializer=get_initializer(config.initializer_range), name="dense" ) self.L...
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class TFLayoutLMv3Layer(keras.layers.Layer): def __init__(self, config: LayoutLMv3Config, **kwargs): super().__init__(**kwargs) self.attention = TFLayoutLMv3Attention(config, name="attention") self.intermediate = TFLayoutLMv3Intermediate(config, name="intermediate") self.bert_output ...
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class TFLayoutLMv3Encoder(keras.layers.Layer): def __init__(self, config: LayoutLMv3Config, **kwargs): super().__init__(**kwargs) self.config = config self.layer = [TFLayoutLMv3Layer(config, name=f"layer.{i}") for i in range(config.num_hidden_layers)] self.has_relative_attention_bia...
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class TFLayoutLMv3MainLayer(keras.layers.Layer): config_class = LayoutLMv3Config def __init__(self, config: LayoutLMv3Config, **kwargs): super().__init__(**kwargs) self.config = config if config.text_embed: self.embeddings = TFLayoutLMv3TextEmbeddings(config, name="embeddi...
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class TFLayoutLMv3PreTrainedModel(TFPreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = LayoutLMv3Config base_model_prefix = "layoutlmv3" @property def input_signature(self): ...
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class TFLayoutLMv3Model(TFLayoutLMv3PreTrainedModel): # names with a '.' represents the authorized unexpected/missing layers when a TF model is loaded from a PT model _keys_to_ignore_on_load_unexpected = [r"position_ids"] def __init__(self, config, *inputs, **kwargs): super().__init__(config, *inpu...
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class TFLayoutLMv3ClassificationHead(keras.layers.Layer): """ Head for sentence-level classification tasks. Reference: RobertaClassificationHead """ def __init__(self, config: LayoutLMv3Config, **kwargs): super().__init__(**kwargs) self.dense = keras.layers.Dense( config.hid...
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class TFLayoutLMv3ForSequenceClassification(TFLayoutLMv3PreTrainedModel, TFSequenceClassificationLoss): # names with a '.' represents the authorized unexpected/missing layers when a TF model is loaded from a PT model _keys_to_ignore_on_load_unexpected = [r"position_ids"] def __init__(self, config: LayoutLM...
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class TFLayoutLMv3ForTokenClassification(TFLayoutLMv3PreTrainedModel, TFTokenClassificationLoss): # names with a '.' represents the authorized unexpected/missing layers when a TF model is loaded from a PT model _keys_to_ignore_on_load_unexpected = [r"position_ids"] def __init__(self, config: LayoutLMv3Conf...
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class TFLayoutLMv3ForQuestionAnswering(TFLayoutLMv3PreTrainedModel, TFQuestionAnsweringLoss): # names with a '.' represents the authorized unexpected/missing layers when a TF model is loaded from a PT model _keys_to_ignore_on_load_unexpected = [r"position_ids"] def __init__(self, config: LayoutLMv3Config, ...
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class LayoutLMv3PatchEmbeddings(nn.Module): """LayoutLMv3 image (patch) embeddings. This class also automatically interpolates the position embeddings for varying image sizes.""" def __init__(self, config): super().__init__() image_size = ( config.input_size if isin...
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class LayoutLMv3TextEmbeddings(nn.Module): """ LayoutLMv3 text embeddings. Same as `RobertaEmbeddings` but with added spatial (layout) embeddings. """ def __init__(self, config): super().__init__() self.word_embeddings = nn.Embedding(config.vocab_size, config.hidden_size, padding_idx=co...
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class LayoutLMv3PreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = LayoutLMv3Config base_model_prefix = "layoutlmv3" def _init_weights(self, module): """In...
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class LayoutLMv3SelfAttention(nn.Module): def __init__(self, config): super().__init__() if config.hidden_size % config.num_attention_heads != 0 and not hasattr(config, "embedding_size"): raise ValueError( f"The hidden size ({config.hidden_size}) is not a multiple of the ...
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class LayoutLMv3SelfOutput(nn.Module): def __init__(self, config): super().__init__() self.dense = nn.Linear(config.hidden_size, config.hidden_size) self.LayerNorm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps) self.dropout = nn.Dropout(config.hidden_dropout_prob) ...
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class LayoutLMv3Attention(nn.Module): def __init__(self, config): super().__init__() self.self = LayoutLMv3SelfAttention(config) self.output = LayoutLMv3SelfOutput(config) def forward( self, hidden_states, attention_mask=None, head_mask=None, outp...
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class LayoutLMv3Layer(nn.Module): def __init__(self, config): super().__init__() self.chunk_size_feed_forward = config.chunk_size_feed_forward self.seq_len_dim = 1 self.attention = LayoutLMv3Attention(config) self.intermediate = LayoutLMv3Intermediate(config) self.out...
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class LayoutLMv3Encoder(nn.Module): def __init__(self, config): super().__init__() self.config = config self.layer = nn.ModuleList([LayoutLMv3Layer(config) for _ in range(config.num_hidden_layers)]) self.gradient_checkpointing = False self.has_relative_attention_bias = confi...
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class LayoutLMv3Intermediate(nn.Module): def __init__(self, config): super().__init__() self.dense = nn.Linear(config.hidden_size, config.intermediate_size) if isinstance(config.hidden_act, str): self.intermediate_act_fn = ACT2FN[config.hidden_act] else: self....
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class LayoutLMv3Output(nn.Module): def __init__(self, config): super().__init__() self.dense = nn.Linear(config.intermediate_size, config.hidden_size) self.LayerNorm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps) self.dropout = nn.Dropout(config.hidden_dropout_prob) ...
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class LayoutLMv3Model(LayoutLMv3PreTrainedModel): def __init__(self, config): super().__init__(config) self.config = config if config.text_embed: self.embeddings = LayoutLMv3TextEmbeddings(config) if config.visual_embed: # use the default pre-training parame...
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class LayoutLMv3ClassificationHead(nn.Module): """ Head for sentence-level classification tasks. Reference: RobertaClassificationHead """ def __init__(self, config, pool_feature=False): super().__init__() self.pool_feature = pool_feature if pool_feature: self.dense =...
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class LayoutLMv3ForTokenClassification(LayoutLMv3PreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.layoutlmv3 = LayoutLMv3Model(config) self.dropout = nn.Dropout(config.hidden_dropout_prob) if config.num_labels < ...
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class LayoutLMv3ForQuestionAnswering(LayoutLMv3PreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.layoutlmv3 = LayoutLMv3Model(config) self.qa_outputs = LayoutLMv3ClassificationHead(config, pool_feature=False) sel...
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class LayoutLMv3ForSequenceClassification(LayoutLMv3PreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.config = config self.layoutlmv3 = LayoutLMv3Model(config) self.classifier = LayoutLMv3ClassificationHead(config,...
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class LayoutLMv3ImageProcessor(BaseImageProcessor): r""" Constructs a LayoutLMv3 image processor. Args: do_resize (`bool`, *optional*, defaults to `True`): Whether to resize the image's (height, width) dimensions to `(size["height"], size["width"])`. Can be overridden by `do...
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class LayoutLMv3Processor(ProcessorMixin): r""" Constructs a LayoutLMv3 processor which combines a LayoutLMv3 image processor and a LayoutLMv3 tokenizer into a single processor. [`LayoutLMv3Processor`] offers all the functionalities you need to prepare data for the model. It first uses [`LayoutLMv...
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class LayoutLMv3Config(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`LayoutLMv3Model`]. It is used to instantiate an LayoutLMv3 model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yi...
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class LayoutLMv3OnnxConfig(OnnxConfig): torch_onnx_minimum_version = version.parse("1.12") @property def inputs(self) -> Mapping[str, Mapping[int, str]]: # The order of inputs is different for question answering and sequence classification if self.task in ["question-answering", "sequence-cl...
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class BloomTokenizerFast(PreTrainedTokenizerFast): """ Construct a "fast" Bloom tokenizer (backed by HuggingFace's *tokenizers* library). Based on byte-level Byte-Pair-Encoding. This tokenizer has been trained to treat spaces like parts of the tokens (a bit like sentencepiece) so a word will be enc...
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class FlaxBloomAttention(nn.Module): config: BloomConfig dtype: jnp.dtype = jnp.float32 def setup(self): self.hidden_size = self.config.hidden_size self.num_heads = self.config.n_head self.head_dim = self.hidden_size // self.num_heads self.attention_softmax_in_fp32 = self.dt...
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class BloomGELU(nn.Module): def setup(self): self.dtype = jnp.float32 def __call__(self, x): return x * 0.5 * (1.0 + tanh(0.79788456 * x * (1 + 0.044715 * x * x)))
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class FlaxBloomMLP(nn.Module): config: BloomConfig dtype: jnp.dtype = jnp.float32 def setup(self): hidden_size = self.config.hidden_size kernel_init = jax.nn.initializers.normal(self.config.initializer_range) self.dense_h_to_4h = nn.Dense(4 * hidden_size, dtype=self.dtype, kernel_...
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class FlaxBloomBlock(nn.Module): config: BloomConfig dtype: jnp.dtype = jnp.float32 def setup(self): self.input_layernorm = nn.LayerNorm(epsilon=self.config.layer_norm_epsilon, dtype=self.dtype) self.self_attention = FlaxBloomAttention(self.config, dtype=self.dtype) self.post_atten...
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class FlaxBloomPreTrainedModel(FlaxPreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = BloomConfig base_model_prefix = "transformer" module_class: nn.Module = None def __init__...
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class FlaxBloomBlockCollection(nn.Module): config: BloomConfig dtype: jnp.dtype = jnp.float32 def setup(self): self.layers = [ FlaxBloomBlock(self.config, name=str(layer_number), dtype=self.dtype) for layer_number in range(self.config.num_hidden_layers) ] def __...
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class FlaxBloomModule(nn.Module): config: BloomConfig dtype: jnp.dtype = jnp.float32 def setup(self): self.embed_dim = self.config.hidden_size # word embeddings (no positional embedding layer) self.word_embeddings = nn.Embed( self.config.vocab_size, self.emb...
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class FlaxBloomModel(FlaxBloomPreTrainedModel): module_class = FlaxBloomModule
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class FlaxBloomForCausalLMModule(nn.Module): config: BloomConfig dtype: jnp.dtype = jnp.float32 def setup(self): self.transformer = FlaxBloomModule(self.config, dtype=self.dtype) self.lm_head = nn.Dense( self.config.vocab_size, use_bias=False, dtype=self....
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class FlaxBloomForCausalLM(FlaxBloomPreTrainedModel): module_class = FlaxBloomForCausalLMModule def prepare_inputs_for_generation(self, input_ids, max_length, attention_mask: Optional[jax.Array] = None): # initializing the cache batch_size, seq_length = input_ids.shape past_key_values ...
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/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/bloom/modeling_flax_bloom.py
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class BloomConfig(PretrainedConfig): """ This is the configuration class to store the configuration of a [`BloomModel`]. It is used to instantiate a Bloom model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a similar con...
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class BloomOnnxConfig(OnnxConfigWithPast): torch_onnx_minimum_version = version.parse("1.12") def __init__( self, config: PretrainedConfig, task: str = "default", patching_specs: List[PatchingSpec] = None, use_past: bool = False, ): super().__init__(config, t...
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class GeLUFunction(torch.autograd.Function): @staticmethod def forward(ctx, input: torch.Tensor) -> torch.Tensor: ctx.save_for_backward(input) return bloom_gelu_forward(input) @staticmethod def backward(ctx, grad_output: torch.Tensor) -> torch.Tensor: input = ctx.saved_tensors ...
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class BloomGelu(nn.Module): """ BloomBiasGelu wrapper function that make use of the simple function on inference mode to make the model torchscriptable and use the autograd function in training mode to get the accurate results of the gradients Partly copied from Megatron-DeepSpeed code and adapted for o...
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class BloomAttention(nn.Module): def __init__(self, config: BloomConfig, layer_idx: Optional[int] = None): super().__init__() self.pretraining_tp = config.pretraining_tp self.slow_but_exact = config.slow_but_exact self.hidden_size = config.hidden_size self.num_heads = confi...
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class BloomMLP(nn.Module): def __init__(self, config: BloomConfig): super().__init__() hidden_size = config.hidden_size self.pretraining_tp = config.pretraining_tp self.slow_but_exact = config.slow_but_exact self.dense_h_to_4h = nn.Linear(hidden_size, 4 * hidden_size) ...
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class BloomBlock(nn.Module): def __init__(self, config: BloomConfig, layer_idx: Optional[int] = None): super().__init__() hidden_size = config.hidden_size self.input_layernorm = LayerNorm(hidden_size, eps=config.layer_norm_epsilon) self.num_heads = config.n_head self.self_at...
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class BloomPreTrainedModel(PreTrainedModel): config_class = BloomConfig base_model_prefix = "transformer" supports_gradient_checkpointing = True _no_split_modules = ["BloomBlock"] _skip_keys_device_placement = "past_key_values" _supports_cache_class = True _supports_static_cache = True _...
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class BloomModel(BloomPreTrainedModel): def __init__(self, config: BloomConfig): super().__init__(config) self.embed_dim = config.hidden_size self.num_heads = config.n_head # Embedding + LN Embedding self.word_embeddings = nn.Embedding(config.vocab_size, self.embed_dim) ...
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class BloomForCausalLM(BloomPreTrainedModel, GenerationMixin): _tied_weights_keys = ["lm_head.weight"] def __init__(self, config: BloomConfig): super().__init__(config) self.transformer = BloomModel(config) self.lm_head = nn.Linear(config.hidden_size, config.vocab_size, bias=False) ...
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class BloomForSequenceClassification(BloomPreTrainedModel): def __init__(self, config: BloomConfig): super().__init__(config) self.num_labels = config.num_labels self.transformer = BloomModel(config) self.score = nn.Linear(config.hidden_size, config.num_labels, bias=False) #...
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class BloomForTokenClassification(BloomPreTrainedModel): def __init__(self, config: BloomConfig): super().__init__(config) self.num_labels = config.num_labels self.transformer = BloomModel(config) if hasattr(config, "classifier_dropout") and config.classifier_dropout is not None: ...
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class BloomForQuestionAnswering(BloomPreTrainedModel): def __init__(self, config): super().__init__(config) self.transformer = BloomModel(config) self.qa_outputs = nn.Linear(config.hidden_size, 2) # Initialize weights and apply final processing self.post_init() @add_sta...
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class PhimoeRotaryEmbedding(nn.Module): def __init__( self, config: Optional[PhimoeConfig] = None, ): super().__init__() self.config = config if config.rope_scaling is not None: self.rope_type = config.rope_scaling.get("rope_type", config.rope_scaling.get("ty...
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class PhimoeAttention(nn.Module): """ Multi-headed attention from 'Attention Is All You Need' paper. Modified to use sliding window attention: Longformer and "Generating Long Sequences with Sparse Transformers". """ def __init__(self, config: PhimoeConfig, layer_idx: Optional[int] = None): ...
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class PhimoeFlashAttention2(PhimoeAttention): """ Phimoe flash attention module. This module inherits from `PhimoeAttention` as the weights of the module stays untouched. The only required change would be on the forward pass where it needs to correctly call the public API of flash attention and deal wit...
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class PhimoeSdpaAttention(PhimoeAttention): """ Phimoe attention module using torch.nn.functional.scaled_dot_product_attention. This module inherits from `PhimoeAttention` as the weights of the module stays untouched. The only changes are on the forward pass to adapt to SDPA API. """ # Adapted ...
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class PhimoeBlockSparseTop2MLP(nn.Module): def __init__(self, config: PhimoeConfig): super().__init__() self.ffn_dim = config.intermediate_size self.hidden_dim = config.hidden_size self.w1 = nn.Linear(self.hidden_dim, self.ffn_dim, bias=False) self.w2 = nn.Linear(self.ffn_di...
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class MultiplierProcessor(torch.autograd.Function): @staticmethod def forward( ctx, scores: torch.Tensor, multiplier: torch.Tensor, selected_experts: torch.Tensor, masked_gates: torch.Tensor, mask_for_one: torch.Tensor, ): """ Forward pass for ...
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class PhimoeSparseMoeBlock(nn.Module): """ This implementation is strictly equivalent to standard MoE with full capacity (no dropped tokens). It's faster since it formulates MoE operations in terms of block-sparse operations to accommodate imbalanced assignments of tokens to experts, whereas sta...
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class PhimoeDecoderLayer(nn.Module): def __init__(self, config: PhimoeConfig, layer_idx: int): super().__init__() self.hidden_size = config.hidden_size self.self_attn = PHIMOE_ATTENTION_CLASSES[config._attn_implementation](config, layer_idx) self.block_sparse_moe = PhimoeSparseMoeB...
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class PhimoePreTrainedModel(PreTrainedModel): config_class = PhimoeConfig base_model_prefix = "model" supports_gradient_checkpointing = True _no_split_modules = ["PhimoeDecoderLayer"] _skip_keys_device_placement = ["past_key_values"] _supports_flash_attn_2 = True _supports_sdpa = True _s...
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class PhimoeModel(PhimoePreTrainedModel): """ Transformer decoder consisting of *config.num_hidden_layers* layers. Each layer is a [`PhimoeDecoderLayer`] Args: config: PhimoeConfig """ def __init__(self, config: PhimoeConfig): super().__init__(config) self.padding_idx = conf...
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class PhimoeForCausalLM(PhimoePreTrainedModel, GenerationMixin): _tied_weights_keys = ["lm_head.weight"] def __init__(self, config): super().__init__(config) self.model = PhimoeModel(config) self.vocab_size = config.vocab_size self.lm_head = nn.Linear(config.hidden_size, config....
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class PhimoeForSequenceClassification(PhimoePreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.model = PhimoeModel(config) self.score = nn.Linear(config.hidden_size, self.num_labels, bias=False) # Initialize weight...
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class PhimoeConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`PhimoeModel`]. It is used to instantiate a Phi-moe model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a simila...
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class NllbTokenizer(PreTrainedTokenizer): """ Construct an NLLB tokenizer. Adapted from [`RobertaTokenizer`] and [`XLNetTokenizer`]. Based on [SentencePiece](https://github.com/google/sentencepiece). The tokenization method is `<tokens> <eos> <language code>` for source language documents, and `<l...
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class NllbTokenizerFast(PreTrainedTokenizerFast): """ Construct a "fast" NLLB tokenizer (backed by HuggingFace's *tokenizers* library). Based on [BPE](https://huggingface.co/docs/tokenizers/python/latest/components.html?highlight=BPE#models). This tokenizer inherits from [`PreTrainedTokenizerFast`] whi...
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class XLMRobertaEmbeddings(nn.Module): """ Same as BertEmbeddings with a tiny tweak for positional embeddings indexing. """ # Copied from transformers.models.bert.modeling_bert.BertEmbeddings.__init__ def __init__(self, config): super().__init__() self.word_embeddings = nn.Embedding...
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class XLMRobertaSelfAttention(nn.Module): def __init__(self, config, position_embedding_type=None): super().__init__() if config.hidden_size % config.num_attention_heads != 0 and not hasattr(config, "embedding_size"): raise ValueError( f"The hidden size ({config.hidden_si...
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class XLMRobertaSdpaSelfAttention(XLMRobertaSelfAttention): def __init__(self, config, position_embedding_type=None): super().__init__(config, position_embedding_type=position_embedding_type) self.dropout_prob = config.attention_probs_dropout_prob self.require_contiguous_qkv = version.parse(...
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class XLMRobertaSelfOutput(nn.Module): def __init__(self, config): super().__init__() self.dense = nn.Linear(config.hidden_size, config.hidden_size) self.LayerNorm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps) self.dropout = nn.Dropout(config.hidden_dropout_prob) ...
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class XLMRobertaAttention(nn.Module): def __init__(self, config, position_embedding_type=None): super().__init__() self.self = XLM_ROBERTA_SELF_ATTENTION_CLASSES[config._attn_implementation]( config, position_embedding_type=position_embedding_type ) self.output = XLMRober...
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class XLMRobertaIntermediate(nn.Module): def __init__(self, config): super().__init__() self.dense = nn.Linear(config.hidden_size, config.intermediate_size) if isinstance(config.hidden_act, str): self.intermediate_act_fn = ACT2FN[config.hidden_act] else: self....
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class XLMRobertaOutput(nn.Module): def __init__(self, config): super().__init__() self.dense = nn.Linear(config.intermediate_size, config.hidden_size) self.LayerNorm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps) self.dropout = nn.Dropout(config.hidden_dropout_prob) ...
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class XLMRobertaLayer(nn.Module): def __init__(self, config): super().__init__() self.chunk_size_feed_forward = config.chunk_size_feed_forward self.seq_len_dim = 1 self.attention = XLMRobertaAttention(config) self.is_decoder = config.is_decoder self.add_cross_attentio...
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class XLMRobertaEncoder(nn.Module): def __init__(self, config): super().__init__() self.config = config self.layer = nn.ModuleList([XLMRobertaLayer(config) for _ in range(config.num_hidden_layers)]) self.gradient_checkpointing = False def forward( self, hidden_st...
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class XLMRobertaPooler(nn.Module): def __init__(self, config): super().__init__() self.dense = nn.Linear(config.hidden_size, config.hidden_size) self.activation = nn.Tanh() def forward(self, hidden_states: torch.Tensor) -> torch.Tensor: # We "pool" the model by simply taking the...
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class XLMRobertaPreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = XLMRobertaConfig base_model_prefix = "roberta" supports_gradient_checkpointing = True _no_spl...
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class XLMRobertaModel(XLMRobertaPreTrainedModel): """ The model can behave as an encoder (with only self-attention) as well as a decoder, in which case a layer of cross-attention is added between the self-attention layers, following the architecture described in [Attention is all you need](https://arxi...
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class XLMRobertaForCausalLM(XLMRobertaPreTrainedModel, GenerationMixin): _tied_weights_keys = ["lm_head.decoder.weight", "lm_head.decoder.bias"] def __init__(self, config): super().__init__(config) if not config.is_decoder: logger.warning("If you want to use `XLMRobertaLMHeadModel`...
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class XLMRobertaForMaskedLM(XLMRobertaPreTrainedModel): _tied_weights_keys = ["lm_head.decoder.weight", "lm_head.decoder.bias"] def __init__(self, config): super().__init__(config) if config.is_decoder: logger.warning( "If you want to use `XLMRobertaForMaskedLM` mak...
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class XLMRobertaLMHead(nn.Module): """Roberta Head for masked language modeling.""" def __init__(self, config): super().__init__() self.dense = nn.Linear(config.hidden_size, config.hidden_size) self.layer_norm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps) self.d...
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class XLMRobertaForSequenceClassification(XLMRobertaPreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.config = config self.roberta = XLMRobertaModel(config, add_pooling_layer=False) self.classifier = XLMRobertaCla...
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class XLMRobertaForMultipleChoice(XLMRobertaPreTrainedModel): def __init__(self, config): super().__init__(config) self.roberta = XLMRobertaModel(config) self.dropout = nn.Dropout(config.hidden_dropout_prob) self.classifier = nn.Linear(config.hidden_size, 1) # Initialize we...
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class XLMRobertaForTokenClassification(XLMRobertaPreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.roberta = XLMRobertaModel(config, add_pooling_layer=False) classifier_dropout = ( config.classifier_dropout if...
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class XLMRobertaClassificationHead(nn.Module): """Head for sentence-level classification tasks.""" def __init__(self, config): super().__init__() self.dense = nn.Linear(config.hidden_size, config.hidden_size) classifier_dropout = ( config.classifier_dropout if config.classif...
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class XLMRobertaForQuestionAnswering(XLMRobertaPreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.roberta = XLMRobertaModel(config, add_pooling_layer=False) self.qa_outputs = nn.Linear(config.hidden_size, config.num_labels...
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class XLMRobertaTokenizerFast(PreTrainedTokenizerFast): """ Construct a "fast" XLM-RoBERTa tokenizer (backed by HuggingFace's *tokenizers* library). Adapted from [`RobertaTokenizer`] and [`XLNetTokenizer`]. Based on [BPE](https://huggingface.co/docs/tokenizers/python/latest/components.html?highlight=BPE...
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class XLMRobertaTokenizer(PreTrainedTokenizer): """ Adapted from [`RobertaTokenizer`] and [`XLNetTokenizer`]. Based on [SentencePiece](https://github.com/google/sentencepiece). This tokenizer inherits from [`PreTrainedTokenizer`] which contains most of the main methods. Users should refer to this s...
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class TFXLMRobertaEmbeddings(keras.layers.Layer): """ Same as BertEmbeddings with a tiny tweak for positional embeddings indexing. """ def __init__(self, config, **kwargs): super().__init__(**kwargs) self.padding_idx = 1 self.config = config self.hidden_size = config.hi...
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class TFXLMRobertaPooler(keras.layers.Layer): def __init__(self, config: XLMRobertaConfig, **kwargs): super().__init__(**kwargs) self.dense = keras.layers.Dense( units=config.hidden_size, kernel_initializer=get_initializer(config.initializer_range), activation="t...
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class TFXLMRobertaSelfAttention(keras.layers.Layer): def __init__(self, config: XLMRobertaConfig, **kwargs): super().__init__(**kwargs) if config.hidden_size % config.num_attention_heads != 0: raise ValueError( f"The hidden size ({config.hidden_size}) is not a multiple o...
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class TFXLMRobertaSelfOutput(keras.layers.Layer): def __init__(self, config: XLMRobertaConfig, **kwargs): super().__init__(**kwargs) self.dense = keras.layers.Dense( units=config.hidden_size, kernel_initializer=get_initializer(config.initializer_range), name="dense" ) se...
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class TFXLMRobertaAttention(keras.layers.Layer): def __init__(self, config: XLMRobertaConfig, **kwargs): super().__init__(**kwargs) self.self_attention = TFXLMRobertaSelfAttention(config, name="self") self.dense_output = TFXLMRobertaSelfOutput(config, name="output") def prune_heads(sel...
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class TFXLMRobertaIntermediate(keras.layers.Layer): def __init__(self, config: XLMRobertaConfig, **kwargs): super().__init__(**kwargs) self.dense = keras.layers.Dense( units=config.intermediate_size, kernel_initializer=get_initializer(config.initializer_range), name="dense" ) ...
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