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class Cohere2ForCausalLM(CohereForCausalLM): def __init__(self, config: Cohere2Config): super().__init__(config) def prepare_inputs_for_generation( self, input_ids, past_key_values=None, attention_mask=None, inputs_embeds=None, cache_position=None, ...
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class Cohere2Config(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`CohereModel`]. It is used to instantiate an Cohere model according to the specified arguments, defining the model architecture. Configuration objects inherit from [`PretrainedConfig`] and can b...
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class DimensionInfo: """Wrapper for dimension info.""" batch_size: int # batch size seq_len: int # token length block_size: int # block size num_heads: int # num heads hidden_dim: int # hidden dim dim_per_head: int # dim per head num_blocks: int # num blocks global_len: int ...
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class PegasusXScaledWordEmbedding(nn.Embedding): """ This module overrides nn.Embeddings' forward by multiplying with embeddings scale. """ def __init__(self, num_embeddings: int, embedding_dim: int, padding_idx: int, embed_scale: Optional[float] = 1.0): super().__init__(num_embeddings, embeddi...
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class PegasusXSinusoidalPositionalEmbedding(nn.Module): """This module produces sinusoidal positional embeddings of any length.""" def __init__(self, embed_dim, max_scale: int = 10000.0): super().__init__() self.embed_dim = embed_dim self.max_scale = max_scale @torch.no_grad() ...
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class PegasusXAttention(nn.Module): """Multi-headed attention from 'Attention Is All You Need' paper""" def __init__( self, embed_dim: int, num_heads: int, dropout: float = 0.0, is_decoder: bool = False, bias: bool = True, is_causal: bool = False, ...
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class PegasusXGlobalLocalAttention(nn.Module): """Global + Local attention. For use with Encoder only.""" def __init__( self, embed_dim: int, num_heads: int, block_size: int, dropout: float = 0.0, is_decoder: bool = False, ): super().__init__() ...
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class PegasusXEncoderLayer(nn.Module): def __init__(self, stagger_blocks_this_layer: bool, config: PegasusXConfig): super().__init__() self.embed_dim = config.d_model self.self_attn = PegasusXGlobalLocalAttention( embed_dim=self.embed_dim, num_heads=config.encoder_att...
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class PegasusXDecoderLayer(nn.Module): def __init__(self, config: PegasusXConfig): super().__init__() self.embed_dim = config.d_model self.self_attn = PegasusXAttention( embed_dim=self.embed_dim, num_heads=config.decoder_attention_heads, dropout=config.at...
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class PegasusXPreTrainedModel(PreTrainedModel): config_class = PegasusXConfig base_model_prefix = "model" supports_gradient_checkpointing = True _no_split_modules = [r"PegasusXEncoderLayer", r"PegasusXDecoderLayer"] def _init_weights(self, module): std = self.config.init_std if isin...
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class PegasusXEncoder(PegasusXPreTrainedModel): """ Transformer encoder consisting of *config.encoder_layers* self attention layers. Each layer is a [`PegasusXEncoderLayer`]. Args: config: PegasusXConfig embed_tokens (nn.Embedding): output embedding """ def __init__(self, confi...
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class PegasusXDecoder(PegasusXPreTrainedModel): """ Transformer decoder consisting of *config.decoder_layers* layers. Each layer is a [`PegasusDecoderLayer`] Args: config: PegasusXConfig embed_tokens (nn.Embedding): output embedding """ def __init__(self, config: PegasusXConfig, em...
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class PegasusXModel(PegasusXPreTrainedModel): _tied_weights_keys = ["encoder.embed_tokens.weight", "decoder.embed_tokens.weight"] def __init__(self, config: PegasusXConfig): super().__init__(config) vocab_size = config.vocab_size embed_scale = math.sqrt(config.d_model) if config.scale_...
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class PegasusXForConditionalGeneration(PegasusXPreTrainedModel, GenerationMixin): base_model_prefix = "model" _tied_weights_keys = ["encoder.embed_tokens.weight", "decoder.embed_tokens.weight", "lm_head.weight"] def __init__(self, config: PegasusXConfig): super().__init__(config) self.model...
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class PegasusXDecoderWrapper(PegasusXPreTrainedModel): """ This wrapper class is a helper class to correctly load pretrained checkpoints when the causal language model is used in combination with the [`EncoderDecoderModel`] framework. """ def __init__(self, config): super().__init__(config)...
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class PegasusXConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`PegasusXModel`]. It is used to instantiate a PEGASUS-X model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a ...
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class LayoutLMv2FeatureExtractor(LayoutLMv2ImageProcessor): def __init__(self, *args, **kwargs) -> None: warnings.warn( "The class LayoutLMv2FeatureExtractor is deprecated and will be removed in version 5 of Transformers." " Please use LayoutLMv2ImageProcessor instead.", ...
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class LayoutLMv2Tokenizer(PreTrainedTokenizer): r""" Construct a LayoutLMv2 tokenizer. Based on WordPiece. [`LayoutLMv2Tokenizer`] can be used to turn words, word-level bounding boxes and optional word labels to token-level `input_ids`, `attention_mask`, `token_type_ids`, `bbox`, and optional `labels` (...
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class BasicTokenizer: """ Constructs a BasicTokenizer that will run basic tokenization (punctuation splitting, lower casing, etc.). Args: do_lower_case (`bool`, *optional*, defaults to `True`): Whether or not to lowercase the input when tokenizing. never_split (`Iterable`, *opti...
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class WordpieceTokenizer: """Runs WordPiece tokenization.""" def __init__(self, vocab, unk_token, max_input_chars_per_word=100): self.vocab = vocab self.unk_token = unk_token self.max_input_chars_per_word = max_input_chars_per_word def tokenize(self, text): """ Toke...
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class LayoutLMv2Processor(ProcessorMixin): r""" Constructs a LayoutLMv2 processor which combines a LayoutLMv2 image processor and a LayoutLMv2 tokenizer into a single processor. [`LayoutLMv2Processor`] offers all the functionalities you need to prepare data for the model. It first uses [`LayoutLMv...
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class LayoutLMv2Embeddings(nn.Module): """Construct the embeddings from word, position and token_type embeddings.""" def __init__(self, config): super(LayoutLMv2Embeddings, self).__init__() self.word_embeddings = nn.Embedding(config.vocab_size, config.hidden_size, padding_idx=config.pad_token_i...
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class LayoutLMv2SelfAttention(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 LayoutLMv2Attention(nn.Module): def __init__(self, config): super().__init__() self.self = LayoutLMv2SelfAttention(config) self.output = LayoutLMv2SelfOutput(config) def forward( self, hidden_states, attention_mask=None, head_mask=None, outp...
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class LayoutLMv2SelfOutput(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 LayoutLMv2Intermediate(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 LayoutLMv2Output(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 LayoutLMv2Layer(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 = LayoutLMv2Attention(config) self.intermediate = LayoutLMv2Intermediate(config) self.out...
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class LayoutLMv2Encoder(nn.Module): def __init__(self, config): super().__init__() self.config = config self.layer = nn.ModuleList([LayoutLMv2Layer(config) for _ in range(config.num_hidden_layers)]) self.has_relative_attention_bias = config.has_relative_attention_bias self.h...
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class LayoutLMv2PreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = LayoutLMv2Config base_model_prefix = "layoutlmv2" def _init_weights(self, module): """In...
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class LayoutLMv2VisualBackbone(nn.Module): def __init__(self, config): super().__init__() self.cfg = config.get_detectron2_config() meta_arch = self.cfg.MODEL.META_ARCHITECTURE model = META_ARCH_REGISTRY.get(meta_arch)(self.cfg) assert isinstance(model.backbone, detectron2.mo...
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class LayoutLMv2Pooler(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): # We "pool" the model by simply taking the hidden state corresponding ...
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class LayoutLMv2Model(LayoutLMv2PreTrainedModel): def __init__(self, config): requires_backends(self, "detectron2") super().__init__(config) self.config = config self.has_visual_segment_embedding = config.has_visual_segment_embedding self.embeddings = LayoutLMv2Embeddings(con...
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class LayoutLMv2ForSequenceClassification(LayoutLMv2PreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.layoutlmv2 = LayoutLMv2Model(config) self.dropout = nn.Dropout(config.hidden_dropout_prob) self.classifier = nn....
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class LayoutLMv2ForTokenClassification(LayoutLMv2PreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.layoutlmv2 = LayoutLMv2Model(config) self.dropout = nn.Dropout(config.hidden_dropout_prob) self.classifier = nn.Lin...
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class LayoutLMv2ForQuestionAnswering(LayoutLMv2PreTrainedModel): def __init__(self, config, has_visual_segment_embedding=True): super().__init__(config) self.num_labels = config.num_labels config.has_visual_segment_embedding = has_visual_segment_embedding self.layoutlmv2 = LayoutLMv2...
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class LayoutLMv2ImageProcessor(BaseImageProcessor): r""" Constructs a LayoutLMv2 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 LayoutLMv2TokenizerFast(PreTrainedTokenizerFast): r""" Construct a "fast" LayoutLMv2 tokenizer (backed by HuggingFace's *tokenizers* library). Based on WordPiece. This tokenizer inherits from [`PreTrainedTokenizerFast`] which contains most of the main methods. Users should refer to this superclas...
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class LayoutLMv2Config(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`LayoutLMv2Model`]. It is used to instantiate an LayoutLMv2 model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yi...
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class UniSpeechSatConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`UniSpeechSatModel`]. It is used to instantiate an UniSpeechSat model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults w...
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class UniSpeechSatForPreTrainingOutput(ModelOutput): """ Output type of [`UniSpeechSatForPreTrainingOutput`], with potential hidden states and attentions. Args: loss (*optional*, returned when model is in train mode, `torch.FloatTensor` of shape `(1,)`): Total loss as the sum of the con...
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class UniSpeechSatNoLayerNormConvLayer(nn.Module): def __init__(self, config, layer_id=0): super().__init__() self.in_conv_dim = config.conv_dim[layer_id - 1] if layer_id > 0 else 1 self.out_conv_dim = config.conv_dim[layer_id] self.conv = nn.Conv1d( self.in_conv_dim, ...
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class UniSpeechSatLayerNormConvLayer(nn.Module): def __init__(self, config, layer_id=0): super().__init__() self.in_conv_dim = config.conv_dim[layer_id - 1] if layer_id > 0 else 1 self.out_conv_dim = config.conv_dim[layer_id] self.conv = nn.Conv1d( self.in_conv_dim, ...
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class UniSpeechSatGroupNormConvLayer(nn.Module): def __init__(self, config, layer_id=0): super().__init__() self.in_conv_dim = config.conv_dim[layer_id - 1] if layer_id > 0 else 1 self.out_conv_dim = config.conv_dim[layer_id] self.conv = nn.Conv1d( self.in_conv_dim, ...
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class UniSpeechSatPositionalConvEmbedding(nn.Module): def __init__(self, config): super().__init__() self.conv = nn.Conv1d( config.hidden_size, config.hidden_size, kernel_size=config.num_conv_pos_embeddings, padding=config.num_conv_pos_embeddings // 2,...
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class UniSpeechSatSamePadLayer(nn.Module): def __init__(self, num_conv_pos_embeddings): super().__init__() self.num_pad_remove = 1 if num_conv_pos_embeddings % 2 == 0 else 0 def forward(self, hidden_states): if self.num_pad_remove > 0: hidden_states = hidden_states[:, :, : -...
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class UniSpeechSatFeatureEncoder(nn.Module): """Construct the features from raw audio waveform""" def __init__(self, config): super().__init__() if config.feat_extract_norm == "group": conv_layers = [UniSpeechSatGroupNormConvLayer(config, layer_id=0)] + [ UniSpeechS...
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class UniSpeechSatFeatureExtractor(UniSpeechSatFeatureEncoder): def __init__(self, config): super().__init__(config) warnings.warn( f"The class `{self.__class__.__name__}` has been depreciated " "and will be removed in Transformers v5. " f"Use `{self.__class__.__b...
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class UniSpeechSatFeatureProjection(nn.Module): def __init__(self, config): super().__init__() self.layer_norm = nn.LayerNorm(config.conv_dim[-1], eps=config.layer_norm_eps) self.projection = nn.Linear(config.conv_dim[-1], config.hidden_size) self.dropout = nn.Dropout(config.feat_pro...
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class UniSpeechSatAttention(nn.Module): """Multi-headed attention from 'Attention Is All You Need' paper""" def __init__( self, embed_dim: int, num_heads: int, dropout: float = 0.0, is_decoder: bool = False, bias: bool = True, is_causal: bool = False, ...
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class UniSpeechSatFlashAttention2(UniSpeechSatAttention): """ UniSpeechSat flash attention module. This module inherits from `UniSpeechSatAttention` 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 flas...
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class UniSpeechSatSdpaAttention(UniSpeechSatAttention): # Copied from transformers.models.bart.modeling_bart.BartSdpaAttention.forward with Bart->UniSpeechSat def forward( self, hidden_states: torch.Tensor, key_value_states: Optional[torch.Tensor] = None, past_key_value: Optional...
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class UniSpeechSatFeedForward(nn.Module): def __init__(self, config): super().__init__() self.intermediate_dropout = nn.Dropout(config.activation_dropout) self.intermediate_dense = nn.Linear(config.hidden_size, config.intermediate_size) if isinstance(config.hidden_act, str): ...
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class UniSpeechSatEncoderLayer(nn.Module): def __init__(self, config): super().__init__() self.attention = UNISPEECHSAT_ATTENTION_CLASSES[config._attn_implementation]( embed_dim=config.hidden_size, num_heads=config.num_attention_heads, dropout=config.attention_dro...
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class UniSpeechSatAttnAdapterLayer(nn.Module): def __init__(self, config): """ Implements adapter modules directly with 3D tensor weight as parameters and without using ModuleList to speed up training throughput. """ super().__init__() self.input_dim = config.adapter_...
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class UniSpeechSatEncoderLayerStableLayerNorm(nn.Module): def __init__(self, config): super().__init__() self.attention = UNISPEECHSAT_ATTENTION_CLASSES[config._attn_implementation]( embed_dim=config.hidden_size, num_heads=config.num_attention_heads, dropout=confi...
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class UniSpeechSatEncoder(nn.Module): def __init__(self, config): super().__init__() self.config = config self.pos_conv_embed = UniSpeechSatPositionalConvEmbedding(config) self.layer_norm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps) self.dropout = nn.Dropout(...
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class UniSpeechSatEncoderStableLayerNorm(nn.Module): def __init__(self, config): super().__init__() self.config = config self.pos_conv_embed = UniSpeechSatPositionalConvEmbedding(config) self.layer_norm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps) self.dropou...
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class UniSpeechSatGumbelVectorQuantizer(nn.Module): """ Vector quantization using gumbel softmax. See [CATEGORICAL REPARAMETERIZATION WITH GUMBEL-SOFTMAX](https://arxiv.org/pdf/1611.01144.pdf) for more information. """ def __init__(self, config): super().__init__() self.num_groups =...
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class UniSpeechSatPreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = UniSpeechSatConfig base_model_prefix = "unispeech_sat" main_input_name = "input_values" sup...
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class UniSpeechSatModel(UniSpeechSatPreTrainedModel): def __init__(self, config: UniSpeechSatConfig): super().__init__(config) self.config = config self.feature_extractor = UniSpeechSatFeatureEncoder(config) self.feature_projection = UniSpeechSatFeatureProjection(config) sel...
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class UniSpeechSatForPreTraining(UniSpeechSatPreTrainedModel): def __init__(self, config: UniSpeechSatConfig): super().__init__(config) self.unispeech_sat = UniSpeechSatModel(config) self.dropout_features = nn.Dropout(config.feat_quantizer_dropout) self.quantizer = UniSpeechSatGumbe...
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class UniSpeechSatForCTC(UniSpeechSatPreTrainedModel): def __init__(self, config, target_lang: Optional[str] = None): super().__init__(config) self.unispeech_sat = UniSpeechSatModel(config) self.dropout = nn.Dropout(config.final_dropout) self.target_lang = target_lang if c...
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class UniSpeechSatForSequenceClassification(UniSpeechSatPreTrainedModel): def __init__(self, config): super().__init__(config) if hasattr(config, "add_adapter") and config.add_adapter: raise ValueError( "Sequence classification does not support the use of UniSpeechSat ad...
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class UniSpeechSatForAudioFrameClassification(UniSpeechSatPreTrainedModel): def __init__(self, config): super().__init__(config) if hasattr(config, "add_adapter") and config.add_adapter: raise ValueError( "Audio frame classification does not support the use of UniSpeechS...
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class AMSoftmaxLoss(nn.Module): def __init__(self, input_dim, num_labels, scale=30.0, margin=0.4): super(AMSoftmaxLoss, self).__init__() self.scale = scale self.margin = margin self.num_labels = num_labels self.weight = nn.Parameter(torch.randn(input_dim, num_labels), require...
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class TDNNLayer(nn.Module): def __init__(self, config, layer_id=0): super().__init__() self.in_conv_dim = config.tdnn_dim[layer_id - 1] if layer_id > 0 else config.tdnn_dim[layer_id] self.out_conv_dim = config.tdnn_dim[layer_id] self.kernel_size = config.tdnn_kernel[layer_id] ...
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class UniSpeechSatForXVector(UniSpeechSatPreTrainedModel): def __init__(self, config): super().__init__(config) self.unispeech_sat = UniSpeechSatModel(config) num_layers = config.num_hidden_layers + 1 # transformer layers + input embeddings if config.use_weighted_layer_sum: ...
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class T5Tokenizer(PreTrainedTokenizer): """ Construct a T5 tokenizer. 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 superclass for more information regarding tho...
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class T5TokenizerFast(PreTrainedTokenizerFast): """ Construct a "fast" T5 tokenizer (backed by HuggingFace's *tokenizers* library). Based on [Unigram](https://huggingface.co/docs/tokenizers/python/latest/components.html?highlight=unigram#models). This tokenizer inherits from [`PreTrainedTokenizerFast`]...
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class FlaxT5LayerNorm(nn.Module): hidden_size: int dtype: jnp.dtype = jnp.float32 eps: float = 1e-6 weight_init: Callable[..., np.ndarray] = jax.nn.initializers.ones def setup(self): self.weight = self.param("weight", self.weight_init, (self.hidden_size,)) def __call__(self, hidden_sta...
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class FlaxT5DenseActDense(nn.Module): config: T5Config dtype: jnp.dtype = jnp.float32 def setup(self): wi_init_std = self.config.initializer_factor * (self.config.d_model**-0.5) wo_init_std = self.config.initializer_factor * (self.config.d_ff**-0.5) self.wi = nn.Dense( ...
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class FlaxT5DenseGatedActDense(nn.Module): config: T5Config dtype: jnp.dtype = jnp.float32 # the dtype of the computation def setup(self): wi_init_std = self.config.initializer_factor * (self.config.d_model**-0.5) wo_init_std = self.config.initializer_factor * (self.config.d_ff**-0.5) ...
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class FlaxT5LayerFF(nn.Module): config: T5Config dtype: jnp.dtype = jnp.float32 # the dtype of the computation def setup(self): if self.config.is_gated_act: self.DenseReluDense = FlaxT5DenseGatedActDense(self.config, dtype=self.dtype) else: self.DenseReluDense = Fla...
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class FlaxT5Attention(nn.Module): config: T5Config has_relative_attention_bias: bool = False causal: bool = False dtype: jnp.dtype = jnp.float32 # the dtype of the computation def setup(self): self.relative_attention_num_buckets = self.config.relative_attention_num_buckets self.rel...
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class FlaxT5LayerSelfAttention(nn.Module): config: T5Config has_relative_attention_bias: bool = False dtype: jnp.dtype = jnp.float32 # the dtype of the computation def setup(self): self.SelfAttention = FlaxT5Attention( self.config, has_relative_attention_bias=self.has_r...
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class FlaxT5LayerCrossAttention(nn.Module): config: T5Config dtype: jnp.dtype = jnp.float32 # the dtype of the computation def setup(self): self.EncDecAttention = FlaxT5Attention( self.config, has_relative_attention_bias=False, causal=False, dtype=self.dtype ) self.laye...
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class FlaxT5Block(nn.Module): config: T5Config has_relative_attention_bias: bool = False dtype: jnp.dtype = jnp.float32 # the dtype of the computation def setup(self): self.causal = self.config.causal self.layer = ( FlaxT5LayerSelfAttention( self.config, ...
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class FlaxT5LayerCollection(nn.Module): config: T5Config has_relative_attention_bias: bool dtype: jnp.dtype = jnp.float32 # the dtype of the computation def setup(self): self.layer = FlaxT5Block( self.config, has_relative_attention_bias=self.has_relative_attention_bias, dtype=self....
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class FlaxT5BlockCollection(nn.Module): config: T5Config dtype: jnp.dtype = jnp.float32 # the dtype of the computation gradient_checkpointing: bool = False def setup(self): self.causal = self.config.causal if self.gradient_checkpointing: FlaxT5CheckpointLayer = remat(FlaxT5...
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class FlaxT5Stack(nn.Module): config: T5Config embed_tokens: nn.Embed dtype: jnp.dtype = jnp.float32 # the dtype of the computation gradient_checkpointing: bool = False def setup(self): self.causal = self.config.causal self.block = FlaxT5BlockCollection( self.config, d...
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class FlaxT5PreTrainedModel(FlaxPreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = T5Config base_model_prefix = "transformer" module_class: nn.Module = None def __init__( ...
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class FlaxT5Module(nn.Module): config: T5Config dtype: jnp.dtype = jnp.float32 # the dtype of the computation gradient_checkpointing: bool = False def _get_encoder_module(self): return self.encoder def _get_decoder_module(self): return self.decoder def setup(self): se...
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class FlaxT5Model(FlaxT5PreTrainedModel): module_class = FlaxT5Module
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class FlaxT5EncoderModule(nn.Module): config: T5Config dtype: jnp.dtype = jnp.float32 # the dtype of the computation gradient_checkpointing: bool = False def setup(self): self.shared = nn.Embed( self.config.vocab_size, self.config.d_model, embedding_init=jax...
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class FlaxT5EncoderModel(FlaxT5PreTrainedModel): module_class = FlaxT5EncoderModule @add_start_docstrings_to_model_forward(T5_ENCODE_INPUTS_DOCSTRING) def __call__( self, input_ids: jnp.ndarray, attention_mask: Optional[jnp.ndarray] = None, output_attentions: Optional[bool] ...
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class FlaxT5ForConditionalGenerationModule(nn.Module): config: T5Config dtype: jnp.dtype = jnp.float32 # the dtype of the computation gradient_checkpointing: bool = False def _get_encoder_module(self): return self.encoder def _get_decoder_module(self): return self.decoder def...
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class FlaxT5ForConditionalGeneration(FlaxT5PreTrainedModel): module_class = FlaxT5ForConditionalGenerationModule @add_start_docstrings(T5_DECODE_INPUTS_DOCSTRING) @replace_return_docstrings(output_type=FlaxCausalLMOutputWithCrossAttentions, config_class=T5Config) def decode( self, decod...
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class T5LayerNorm(nn.Module): def __init__(self, hidden_size, eps=1e-6): """ Construct a layernorm module in the T5 style. No bias and no subtraction of mean. """ super().__init__() self.weight = nn.Parameter(torch.ones(hidden_size)) self.variance_epsilon = eps d...
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class T5DenseActDense(nn.Module): def __init__(self, config: T5Config): super().__init__() self.wi = nn.Linear(config.d_model, config.d_ff, bias=False) self.wo = nn.Linear(config.d_ff, config.d_model, bias=False) self.dropout = nn.Dropout(config.dropout_rate) self.act = ACT2F...
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class T5DenseGatedActDense(nn.Module): def __init__(self, config: T5Config): super().__init__() self.wi_0 = nn.Linear(config.d_model, config.d_ff, bias=False) self.wi_1 = nn.Linear(config.d_model, config.d_ff, bias=False) self.wo = nn.Linear(config.d_ff, config.d_model, bias=False) ...
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class T5LayerFF(nn.Module): def __init__(self, config: T5Config): super().__init__() if config.is_gated_act: self.DenseReluDense = T5DenseGatedActDense(config) else: self.DenseReluDense = T5DenseActDense(config) self.layer_norm = T5LayerNorm(config.d_model, e...
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class T5Attention(nn.Module): def __init__( self, config: T5Config, has_relative_attention_bias=False, layer_idx: Optional[int] = None, ): super().__init__() self.is_decoder = config.is_decoder self.has_relative_attention_bias = has_relative_attention_bias...
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class T5LayerSelfAttention(nn.Module): def __init__(self, config, has_relative_attention_bias=False, layer_idx: Optional[int] = None): super().__init__() self.SelfAttention = T5Attention( config, has_relative_attention_bias=has_relative_attention_bias, layer_idx=layer_idx ) ...
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class T5LayerCrossAttention(nn.Module): def __init__(self, config, layer_idx: Optional[int] = None): super().__init__() self.EncDecAttention = T5Attention(config, has_relative_attention_bias=False, layer_idx=layer_idx) self.layer_norm = T5LayerNorm(config.d_model, eps=config.layer_norm_epsil...
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class T5Block(nn.Module): def __init__(self, config, has_relative_attention_bias=False, layer_idx: Optional[int] = None): super().__init__() self.is_decoder = config.is_decoder self.layer = nn.ModuleList() self.layer.append( T5LayerSelfAttention(config, has_relative_atten...
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class T5ClassificationHead(nn.Module): """Head for sentence-level classification tasks.""" def __init__(self, config: T5Config): super().__init__() self.dense = nn.Linear(config.d_model, config.d_model) self.dropout = nn.Dropout(p=config.classifier_dropout) self.out_proj = nn.Li...
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class T5PreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = T5Config load_tf_weights = load_tf_weights_in_t5 base_model_prefix = "transformer" is_parallelizable ...
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class T5Stack(T5PreTrainedModel): def __init__(self, config, embed_tokens=None): super().__init__(config) self.embed_tokens = embed_tokens self.is_decoder = config.is_decoder self.block = nn.ModuleList( [T5Block(config, has_relative_attention_bias=bool(i == 0), layer_id...
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class T5Model(T5PreTrainedModel): _keys_to_ignore_on_load_unexpected = [ "decoder.block.0.layer.1.EncDecAttention.relative_attention_bias.weight", ] _tied_weights_keys = ["encoder.embed_tokens.weight", "decoder.embed_tokens.weight"] def __init__(self, config: T5Config): super().__init__...
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