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class TransfoXLModel(TransfoXLPreTrainedModel): def __init__(self, config): super().__init__(config) self.n_token = config.vocab_size self.d_embed = config.d_embed self.d_model = config.d_model self.n_head = config.n_head self.d_head = config.d_head self.wo...
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class TransfoXLLMHeadModel(TransfoXLPreTrainedModel): _tied_weights_keys = [r"crit\.out_projs\.\d+", r"crit\.out_layers\.\d+\.weight"] def __init__(self, config): super().__init__(config) self.transformer = TransfoXLModel(config) self.sample_softmax = config.sample_softmax self....
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class TransfoXLForSequenceClassification(TransfoXLPreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.transformer = TransfoXLModel(config) self.score = nn.Linear(config.d_embed, self.num_labels, bias=False) # Initial...
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class TFPositionalEmbedding(keras.layers.Layer): def __init__(self, demb, **kwargs): super().__init__(**kwargs) self.inv_freq = 1 / (10000 ** (tf.range(0, demb, 2.0) / demb)) def call(self, pos_seq, bsz=None): self.inv_freq = tf.cast(self.inv_freq, dtype=pos_seq.dtype) sinusoid...
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class TFPositionwiseFF(keras.layers.Layer): def __init__(self, d_model, d_inner, dropout, pre_lnorm=False, layer_norm_epsilon=1e-5, init_std=0.02, **kwargs): super().__init__(**kwargs) self.d_model = d_model self.d_inner = d_inner self.dropout = dropout self.layer_1 = keras...
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class TFRelPartialLearnableMultiHeadAttn(keras.layers.Layer): def __init__( self, n_head, d_model, d_head, dropout, dropatt=0.0, pre_lnorm=False, r_r_bias=None, r_w_bias=None, layer_norm_epsilon=1e-5, init_std=0.02, outp...
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class TFRelPartialLearnableDecoderLayer(keras.layers.Layer): def __init__( self, n_head, d_model, d_head, d_inner, dropout, dropatt=0.0, pre_lnorm=False, r_w_bias=None, r_r_bias=None, layer_norm_epsilon=1e-5, init_std=0....
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class TFTransfoEmbeddings(keras.layers.Layer): def __init__(self, vocab_size, emb_size, init_std, **kwargs): super().__init__(**kwargs) self.vocab_size = vocab_size self.emb_size = emb_size self.init_std = init_std def build(self, input_shape): self.weight = self.add_we...
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class TFAdaptiveEmbedding(keras.layers.Layer): def __init__(self, n_token, d_embed, d_proj, cutoffs, div_val=1, init_std=0.02, sample_softmax=False, **kwargs): super().__init__(**kwargs) self.n_token = n_token self.d_embed = d_embed self.init_std = init_std self.cutoffs = c...
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class TFTransfoXLMainLayer(keras.layers.Layer): config_class = TransfoXLConfig def __init__(self, config, **kwargs): super().__init__(**kwargs) self.config = config self.output_hidden_states = config.output_hidden_states self.output_attentions = config.output_attentions ...
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class TFTransfoXLPreTrainedModel(TFPreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = TransfoXLConfig base_model_prefix = "transformer"
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class TFTransfoXLModelOutput(ModelOutput): """ Base class for model's outputs that may also contain a past key/values (to speed up sequential decoding). Args: last_hidden_state (`tf.Tensor` of shape `(batch_size, sequence_length, hidden_size)`): Sequence of hidden-states at the output o...
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class TFTransfoXLLMHeadModelOutput(ModelOutput): """ Base class for model's outputs that may also contain a past key/values (to speed up sequential decoding). Args: losses (`tf.Tensor` of shape *(batch_size, sequence_length-1)*, *optional*, returned when `labels` is provided): Language ...
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class TFTransfoXLSequenceClassifierOutputWithPast(ModelOutput): """ Base class for outputs of sentence classification models. Args: loss (`tf.Tensor` of shape `(1,)`, *optional*, returned when `labels` is provided): Classification (or regression if config.num_labels==1) loss. lo...
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class TFTransfoXLModel(TFTransfoXLPreTrainedModel): def __init__(self, config, *inputs, **kwargs): super().__init__(config, *inputs, **kwargs) self.transformer = TFTransfoXLMainLayer(config, name="transformer") @unpack_inputs @add_start_docstrings_to_model_forward(TRANSFO_XL_INPUTS_DOCSTRIN...
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class TFTransfoXLLMHeadModel(TFTransfoXLPreTrainedModel): def __init__(self, config): super().__init__(config) self.transformer = TFTransfoXLMainLayer(config, name="transformer") self.sample_softmax = config.sample_softmax assert self.sample_softmax <= 0, ( "Sampling from...
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class TFTransfoXLForSequenceClassification(TFTransfoXLPreTrainedModel, TFSequenceClassificationLoss): def __init__(self, config, *inputs, **kwargs): super().__init__(config, *inputs, **kwargs) self.num_labels = config.num_labels self.score = keras.layers.Dense( config.num_labels,...
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class TransfoXLConfig(PretrainedConfig): """ This is the configuration class to store the configuration of a [`TransfoXLModel`] or a [`TFTransfoXLModel`]. It is used to instantiate a Transformer-XL model according to the specified arguments, defining the model architecture. Instantiating a configuration...
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class TFAdaptiveSoftmaxMask(keras.layers.Layer): def __init__(self, vocab_size, d_embed, d_proj, cutoffs, div_val=1, keep_order=False, **kwargs): super().__init__(**kwargs) self.vocab_size = vocab_size self.d_embed = d_embed self.d_proj = d_proj self.cutoffs = cutoffs + [vo...
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class ProjectedAdaptiveLogSoftmax(nn.Module): def __init__(self, n_token, d_embed, d_proj, cutoffs, div_val=1, keep_order=False): super().__init__() self.n_token = n_token self.d_embed = d_embed self.d_proj = d_proj self.cutoffs = cutoffs + [n_token] self.cutoff_end...
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class TransfoXLTokenizer(PreTrainedTokenizer): """ Construct a Transformer-XL tokenizer adapted from Vocab class in [the original code](https://github.com/kimiyoung/transformer-xl). The Transformer-XL tokenizer is a word-level tokenizer (no sub-word tokenization). This tokenizer inherits from [`Pre...
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class LMOrderedIterator: def __init__(self, data, bsz, bptt, device="cpu", ext_len=None): """ data -- LongTensor -- the LongTensor is strictly ordered """ self.bsz = bsz self.bptt = bptt self.ext_len = ext_len if ext_len is not None else 0 self.device = devic...
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class LMShuffledIterator: def __init__(self, data, bsz, bptt, device="cpu", ext_len=None, shuffle=False): """ data -- list[LongTensor] -- there is no order among the LongTensors """ self.data = data self.bsz = bsz self.bptt = bptt self.ext_len = ext_len if ex...
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class LMMultiFileIterator(LMShuffledIterator): def __init__(self, paths, vocab, bsz, bptt, device="cpu", ext_len=None, shuffle=False): self.paths = paths self.vocab = vocab self.bsz = bsz self.bptt = bptt self.ext_len = ext_len if ext_len is not None else 0 self.dev...
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class TransfoXLCorpus: @classmethod @torch_only_method def from_pretrained(cls, pretrained_model_name_or_path, cache_dir=None, *inputs, **kwargs): """ Instantiate a pre-processed corpus. """ vocab = TransfoXLTokenizer.from_pretrained(pretrained_model_name_or_path, *inputs, **...
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class ErnieMEmbeddings(nn.Module): """Construct the embeddings from word and position embeddings.""" def __init__(self, config): super().__init__() self.hidden_size = config.hidden_size self.word_embeddings = nn.Embedding(config.vocab_size, config.hidden_size, padding_idx=config.pad_tok...
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class ErnieMSelfAttention(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_size})...
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class ErnieMAttention(nn.Module): def __init__(self, config, position_embedding_type=None): super().__init__() self.self_attn = ErnieMSelfAttention(config, position_embedding_type=position_embedding_type) self.out_proj = nn.Linear(config.hidden_size, config.hidden_size) self.pruned_h...
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class ErnieMEncoderLayer(nn.Module): def __init__(self, config): super().__init__() # to mimic paddlenlp implementation dropout = 0.1 if config.hidden_dropout_prob is None else config.hidden_dropout_prob act_dropout = config.hidden_dropout_prob if config.act_dropout is None else conf...
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class ErnieMEncoder(nn.Module): def __init__(self, config): super().__init__() self.config = config self.layers = nn.ModuleList([ErnieMEncoderLayer(config) for _ in range(config.num_hidden_layers)]) def forward( self, input_embeds: torch.Tensor, attention_mask: O...
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class ErnieMPooler(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 hid...
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class ErnieMPreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = ErnieMConfig base_model_prefix = "ernie_m" def _init_weights(self, module): """Initialize th...
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class ErnieMModel(ErnieMPreTrainedModel): def __init__(self, config, add_pooling_layer=True): super(ErnieMModel, self).__init__(config) self.initializer_range = config.initializer_range self.embeddings = ErnieMEmbeddings(config) self.encoder = ErnieMEncoder(config) self.poole...
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class ErnieMForSequenceClassification(ErnieMPreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.config = config self.ernie_m = ErnieMModel(config) classifier_dropout = ( config.classifier_dropout if conf...
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class ErnieMForMultipleChoice(ErnieMPreTrainedModel): def __init__(self, config): super().__init__(config) self.ernie_m = ErnieMModel(config) classifier_dropout = ( config.classifier_dropout if config.classifier_dropout is not None else config.hidden_dropout_prob ) ...
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class ErnieMForTokenClassification(ErnieMPreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.ernie_m = ErnieMModel(config, add_pooling_layer=False) classifier_dropout = ( config.classifier_dropout if config.clas...
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class ErnieMForQuestionAnswering(ErnieMPreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.ernie_m = ErnieMModel(config, add_pooling_layer=False) self.qa_outputs = nn.Linear(config.hidden_size, config.num_labels) #...
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class ErnieMForInformationExtraction(ErnieMPreTrainedModel): def __init__(self, config): super(ErnieMForInformationExtraction, self).__init__(config) self.ernie_m = ErnieMModel(config) self.linear_start = nn.Linear(config.hidden_size, 1) self.linear_end = nn.Linear(config.hidden_size...
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class ErnieMTokenizer(PreTrainedTokenizer): r""" Constructs a Ernie-M tokenizer. It uses the `sentencepiece` tools to cut the words to sub-words. Args: sentencepiece_model_file (`str`): The file path of sentencepiece model. vocab_file (`str`, *optional*): The file pa...
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class ErnieMConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`ErnieMModel`]. It is used to instantiate a Ernie-M 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 VanDropPath(nn.Module): """Drop paths (Stochastic Depth) per sample (when applied in main path of residual blocks).""" def __init__(self, drop_prob: Optional[float] = None) -> None: super().__init__() self.drop_prob = drop_prob def forward(self, hidden_states: torch.Tensor) -> torch....
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class VanOverlappingPatchEmbedder(nn.Module): """ Downsamples the input using a patchify operation with a `stride` of 4 by default making adjacent windows overlap by half of the area. From [PVTv2: Improved Baselines with Pyramid Vision Transformer](https://arxiv.org/abs/2106.13797). """ def __i...
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class VanMlpLayer(nn.Module): """ MLP with depth-wise convolution, from [PVTv2: Improved Baselines with Pyramid Vision Transformer](https://arxiv.org/abs/2106.13797). """ def __init__( self, in_channels: int, hidden_size: int, out_channels: int, hidden_act: s...
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class VanLargeKernelAttention(nn.Module): """ Basic Large Kernel Attention (LKA). """ def __init__(self, hidden_size: int): super().__init__() self.depth_wise = nn.Conv2d(hidden_size, hidden_size, kernel_size=5, padding=2, groups=hidden_size) self.depth_wise_dilated = nn.Conv2d(...
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class VanLargeKernelAttentionLayer(nn.Module): """ Computes attention using Large Kernel Attention (LKA) and attends the input. """ def __init__(self, hidden_size: int): super().__init__() self.attention = VanLargeKernelAttention(hidden_size) def forward(self, hidden_state: torch.T...
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class VanSpatialAttentionLayer(nn.Module): """ Van spatial attention layer composed by projection (via conv) -> act -> Large Kernel Attention (LKA) attention -> projection (via conv) + residual connection. """ def __init__(self, hidden_size: int, hidden_act: str = "gelu"): super().__init__(...
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class VanLayerScaling(nn.Module): """ Scales the inputs by a learnable parameter initialized by `initial_value`. """ def __init__(self, hidden_size: int, initial_value: float = 1e-2): super().__init__() self.weight = nn.Parameter(initial_value * torch.ones((hidden_size)), requires_grad=...
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class VanLayer(nn.Module): """ Van layer composed by normalization layers, large kernel attention (LKA) and a multi layer perceptron (MLP). """ def __init__( self, config: VanConfig, hidden_size: int, mlp_ratio: int = 4, drop_path_rate: float = 0.5, ): ...
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class VanStage(nn.Module): """ VanStage, consisting of multiple layers. """ def __init__( self, config: VanConfig, in_channels: int, hidden_size: int, patch_size: int, stride: int, depth: int, mlp_ratio: int = 4, drop_path_rate: fl...
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class VanEncoder(nn.Module): """ VanEncoder, consisting of multiple stages. """ def __init__(self, config: VanConfig): super().__init__() self.stages = nn.ModuleList([]) patch_sizes = config.patch_sizes strides = config.strides hidden_sizes = config.hidden_sizes ...
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class VanPreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = VanConfig base_model_prefix = "van" main_input_name = "pixel_values" supports_gradient_checkpointing...
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class VanModel(VanPreTrainedModel): def __init__(self, config): super().__init__(config) self.config = config self.encoder = VanEncoder(config) # final layernorm layer self.layernorm = nn.LayerNorm(config.hidden_sizes[-1], eps=config.layer_norm_eps) # Initialize weigh...
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class VanForImageClassification(VanPreTrainedModel): def __init__(self, config): super().__init__(config) self.van = VanModel(config) # Classifier head self.classifier = ( nn.Linear(config.hidden_sizes[-1], config.num_labels) if config.num_labels > 0 else nn.Identity() ...
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class VanConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`VanModel`]. It is used to instantiate a VAN model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a similar configur...
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class Tracker: module: nn.Module traced: List[nn.Module] = field(default_factory=list) handles: list = field(default_factory=list) def _forward_hook(self, m, inputs: Tensor, outputs: Tensor): has_not_submodules = len(list(m.modules())) == 1 or isinstance(m, nn.Conv2d) or isinstance(m, nn.BatchN...
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class ModuleTransfer: src: nn.Module dest: nn.Module verbose: int = 0 src_skip: List = field(default_factory=list) dest_skip: List = field(default_factory=list) def __call__(self, x: Tensor): """ Transfer the weights of `self.src` to `self.dest` by performing a forward pass usin...
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class TvltConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`TvltModel`]. It is used to instantiate a TVLT model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a similar confi...
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class TvltProcessor(ProcessorMixin): r""" Constructs a TVLT processor which wraps a TVLT image processor and TVLT feature extractor into a single processor. [`TvltProcessor`] offers all the functionalities of [`TvltImageProcessor`] and [`TvltFeatureExtractor`]. See the docstring of [`~TvltProcessor.__c...
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class TvltImageProcessor(BaseImageProcessor): r""" Constructs a TVLT image processor. This processor can be used to prepare either videos or images for the model by converting images to 1-frame videos. Args: do_resize (`bool`, *optional*, defaults to `True`): Whether to resize the ...
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class TvltModelOutput(ModelOutput): """ Class for TvltModel's outputs, with potential hidden states and attentions. Args: last_hidden_state (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`): Sequence of hidden-states at the output of the last layer of the model...
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class TvltDecoderOutput(ModelOutput): """ Class for TvltDecoder's outputs, with potential hidden states and attentions. Args: logits (`torch.FloatTensor` of shape `(batch_size, patch_size ** 2 * num_channels)`): Pixel reconstruction logits. hidden_states (`tuple(torch.FloatTenso...
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class TvltForPreTrainingOutput(ModelOutput): """ Class for TvltForPreTraining's outputs, with potential hidden states and attentions. Args: loss (`torch.FloatTensor` of shape `(1,)`): Pixel reconstruction loss. matching_logits (`torch.FloatTensor` of shape `(batch_size, 1)`): ...
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class TvltPixelEmbeddings(nn.Module): """Construct the patch and position embeddings.""" def __init__(self, config): super().__init__() self.patch_embeddings = TvltPixelPatchEmbeddings(config) self.num_patches_per_image = self.patch_embeddings.num_patches_per_image self.type_e...
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class TvltAudioEmbeddings(nn.Module): """Construct the patch and position embeddings.""" def __init__(self, config): super().__init__() self.patch_embeddings = TvltAudioPatchEmbeddings(config) self.num_patches = self.patch_embeddings.num_patches self.type_embed_a = nn.Paramete...
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class TvltPixelPatchEmbeddings(nn.Module): """ This class turns `pixel_values` of shape `(batch_size, num_channels, height, width)` into the initial `hidden_states` (patch embeddings) of shape `(batch_size, seq_length, hidden_size)` to be consumed by a Transformer. """ def __init__(self, config...
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class TvltAudioPatchEmbeddings(nn.Module): """ This class turns `audio_values` of shape `(batch_size, num_channels, height, width)` into the initial `hidden_states` (patch embeddings) of shape `(batch_size, seq_length, hidden_size)` to be consumed by a Transformer. """ def __init__(self, config...
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class TvltSelfAttention(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 number ...
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class TvltSelfOutput(nn.Module): """ The residual connection is defined in TvltLayer instead of here (as is the case with other models), due to the layernorm applied before each block. """ def __init__(self, config: TvltConfig) -> None: super().__init__() self.dense = nn.Linear(conf...
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class TvltAttention(nn.Module): def __init__(self, config): super().__init__() self.attention = TvltSelfAttention(config) self.output = TvltSelfOutput(config) self.pruned_heads = set() def prune_heads(self, heads): if len(heads) == 0: return heads, in...
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class TvltIntermediate(nn.Module): def __init__(self, config: TvltConfig) -> None: 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: ...
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class TvltOutput(nn.Module): def __init__(self, config: TvltConfig) -> None: super().__init__() self.dense = nn.Linear(config.intermediate_size, config.hidden_size) self.dropout = nn.Dropout(config.hidden_dropout_prob) def forward(self, hidden_states: torch.Tensor, input_tensor: torch.T...
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class TvltLayer(nn.Module): """This corresponds to the Block class in the timm implementation.""" def __init__(self, config): super().__init__() self.chunk_size_feed_forward = config.chunk_size_feed_forward self.seq_len_dim = 1 self.attention = TvltAttention(config) self...
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class TvltEncoder(nn.Module): def __init__(self, config): super().__init__() self.config = config self.layer = nn.ModuleList([TvltLayer(config) for _ in range(config.num_hidden_layers)]) self.gradient_checkpointing = False def forward( self, hidden_states, ...
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class TvltPreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = TvltConfig base_model_prefix = "tvlt" main_input_name = "pixel_values" supports_gradient_checkpoint...
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class TvltModel(TvltPreTrainedModel): def __init__(self, config): super().__init__(config) self.config = config self.pixel_embeddings = TvltPixelEmbeddings(config) self.audio_embeddings = TvltAudioEmbeddings(config) self.encoder = TvltEncoder(config) self.cls_embedd...
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class TvltDecoder(nn.Module): def __init__(self, config): super().__init__() decoder_config = deepcopy(config) decoder_config.hidden_size = config.decoder_hidden_size decoder_config.num_hidden_layers = config.decoder_num_hidden_layers decoder_config.num_attention_heads = con...
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class TvltForPreTraining(TvltPreTrainedModel): def __init__(self, config): super().__init__(config) self.config = config self.task_matching = config.task_matching self.task_mae = config.task_mae if not (self.task_matching or self.task_mae): raise ValueError("Must...
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class TvltPooler(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): first_token_tensor = hidden_states[:, 0] pooled_output = self.dense(fi...
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class TvltMatchingHead(nn.Module): def __init__(self, config): super().__init__() self.pooler = TvltPooler(config) self.fc = nn.Linear(config.hidden_size, 1) def forward(self, hidden_states): hidden_states = self.fc(self.pooler(hidden_states)) return hidden_states
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class TvltMAEHead(nn.Module): def __init__(self, config, output_dim=None): super().__init__() self.config = config self.decoder = nn.Linear(config.decoder_hidden_size, output_dim) def forward(self, hidden_states): hidden_states = self.decoder(hidden_states) return hidden...
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class TvltForAudioVisualClassification(TvltPreTrainedModel): def __init__(self, config): super().__init__(config) self.tvlt = TvltModel(config) # Classifier head self.classifier = nn.Sequential( nn.Linear(config.hidden_size, config.hidden_size * 2), nn.Layer...
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class TvltFeatureExtractor(SequenceFeatureExtractor): r""" Constructs a TVLT audio feature extractor. This feature extractor can be used to prepare audios for the model. This feature extractor inherits from [`FeatureExtractionMixin`] which contains most of the main methods. Users should refer to this s...
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class MCTCTProcessor(ProcessorMixin): r""" Constructs a MCTCT processor which wraps a MCTCT feature extractor and a MCTCT tokenizer into a single processor. [`MCTCTProcessor`] offers all the functionalities of [`MCTCTFeatureExtractor`] and [`AutoTokenizer`]. See the [`~MCTCTProcessor.__call__`] and [`~...
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class MCTCTFeatureExtractor(SequenceFeatureExtractor): r""" Constructs a M-CTC-T feature extractor. This feature extractor inherits from [`~feature_extraction_sequence_utils.SequenceFeatureExtractor`] which contains most of the main methods. Users should refer to this superclass for more information re...
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class MCTCTConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`MCTCTModel`]. It is used to instantiate an M-CTC-T model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a similar...
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class MCTCTConv1dSubsampler(nn.Module): """ Convolutional subsampler: a stack of 1D convolution (along temporal dimension) followed by non-linear activation via gated linear units (https://arxiv.org/abs/1911.08460) """ def __init__(self, config): super().__init__() self.config = con...
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class MCTCTEmbeddings(nn.Module): """Construct the embeddings from word, position and token_type embeddings.""" def __init__(self, config): super().__init__() self.word_embeddings = nn.Embedding(config.vocab_size, config.hidden_size, padding_idx=config.pad_token_id) self.position_embedd...
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class MCTCTSelfAttention(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 numbe...
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class MCTCTLayerNorm(nn.Module): def __init__(self): super().__init__() self.singleton_weight = nn.Parameter(torch.ones(1)) self.singleton_bias = nn.Parameter(torch.zeros(1)) def forward(self, hidden_states): return (hidden_states * self.singleton_weight) + self.singleton_bias
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class MCTCTSelfOutput(nn.Module): def __init__(self, config): super().__init__() self.config = config self.dense = nn.Linear(config.hidden_size, config.hidden_size, bias=False) self.LayerNorm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps) self.dropout = nn.Drop...
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class MCTCTAttention(nn.Module): def __init__(self, config): super().__init__() self.self = MCTCTSelfAttention(config) self.output = MCTCTSelfOutput(config) self.pruned_heads = set() def prune_heads(self, heads): if len(heads) == 0: return heads, inde...
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class MCTCTIntermediate(nn.Module): def __init__(self, config): super().__init__() self.dense = nn.Linear(config.hidden_size, config.intermediate_size, bias=False) if isinstance(config.hidden_act, str): self.intermediate_act_fn = ACT2FN[config.hidden_act] else: ...
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class MCTCTOutput(nn.Module): def __init__(self, config): super().__init__() self.dense = nn.Linear(config.intermediate_size, config.hidden_size, bias=False) self.LayerNorm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps) self.dropout = nn.Dropout(config.hidden_dropout_p...
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class MCTCTLayer(nn.Module): def __init__(self, config: MCTCTConfig): super().__init__() self.seq_len_dim = 1 self.chunk_size_feed_forward = config.chunk_size_feed_forward self.intermediate = MCTCTIntermediate(config) self.attention = MCTCTAttention(config) self.is_...
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class MCTCTPreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = MCTCTConfig base_model_prefix = "mctct" main_input_name = "input_features" supports_gradient_check...
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class MCTCTEncoder(MCTCTPreTrainedModel): def __init__(self, config: MCTCTConfig): super().__init__(config) self.hidden_dropout_prob = config.hidden_dropout_prob self.layer_norm = MCTCTLayerNorm() self.conv = MCTCTConv1dSubsampler(config) self.layers = nn.ModuleList([MCTCTLa...
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class MCTCTModel(MCTCTPreTrainedModel): def __init__(self, config): super().__init__(config) self.config = config self.encoder = MCTCTEncoder(config) # Initialize weights and apply final processing self.post_init() @add_start_docstrings_to_model_forward(MCTCT_INPUTS_DO...
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class MCTCTForCTC(MCTCTPreTrainedModel): def __init__(self, config): super().__init__(config) self.mctct = MCTCTModel(config) if config.vocab_size is None: raise ValueError( f"You are trying to instantiate {self.__class__} with a configuration that " ...
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class NezhaConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of an [`NezhaModel`]. It is used to instantiate an Nezha model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a similar ...
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class NezhaRelativePositionsEncoding(nn.Module): """Implement the Functional Relative Position Encoding""" def __init__(self, length, depth, max_relative_position=127): super().__init__() vocab_size = max_relative_position * 2 + 1 range_vec = torch.arange(length) range_mat = ran...
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