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class TvpAttention(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 of att...
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class TvpIntermediate(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.interme...
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class TvpOutputLayer(nn.Module): def __init__(self, config): super().__init__() self.dense = nn.Linear(config.intermediate_size, config.hidden_size) self.layer_norm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps) self.dropout = nn.Dropout(config.hidden_dropout_prob) ...
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class TvpEncodeLayer(nn.Module): def __init__(self, config): super().__init__() self.attention = TvpAttention(config) self.intermediate = TvpIntermediate(config) self.output = TvpOutputLayer(config) def forward( self, hidden_states, attention_mask=None, ...
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class TvpEncoder(nn.Module): def __init__(self, config): super().__init__() self.config = config self.layer = nn.ModuleList([TvpEncodeLayer(config) for _ in range(config.num_hidden_layers)]) self.gradient_checkpointing = False def forward( self, hidden_states, ...
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class TvpPooler(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 hidden...
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class TvpPreTrainedModel(PreTrainedModel): """An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = TvpConfig base_model_prefix = "model" supports_gradient_checkpointing = True def _init_weights(self, mod...
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class TvpFrameDownPadPrompter(nn.Module): """ Pad frames extracted from videos only at the bottom. """ def __init__(self, config): if config.visual_prompter_apply not in ("add", "replace", "remove"): raise ValueError("`visual_prompter_apply` must be in (add, replace, remove)") ...
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class TvpFramePadPrompter(nn.Module): """ Pad frames extracted from videos in the surroundings. """ def __init__(self, config): if config.visual_prompter_apply not in ("add", "replace", "remove"): raise ValueError("`visual_prompter_apply` must be in (add, replace, remove)") ...
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class TvpModel(TvpPreTrainedModel): def __init__(self, config): super().__init__(config) self.config = config self.vision_model = TvpVisionModel(config) self.embeddings = TvpTextInputEmbeddings(config) self.visual_embeddings = TvpVisualInputEmbedding(config) self.enco...
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class TvpVideoGroundingHead(nn.Module): def __init__(self, config): super().__init__() self.layer_0 = nn.Linear(config.hidden_size, config.hidden_size * 2) self.layer_1 = nn.Linear(config.hidden_size * 2, 2) self.activation_0 = nn.ReLU() self.activation_1 = nn.Sigmoid() ...
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class TvpForVideoGrounding(TvpPreTrainedModel): def __init__(self, config): super().__init__(config) self.config = config self.model = TvpModel(config) self.video_grounding_head = TvpVideoGroundingHead(config) self.post_init() @add_start_docstrings_to_model_forward(TVP_...
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class TvpConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`TvpModel`]. It is used to instantiate an Tvp model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a similar configu...
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class ASTFeatureExtractor(SequenceFeatureExtractor): r""" Constructs a Audio Spectrogram Transformer (AST) feature extractor. This feature extractor inherits from [`~feature_extraction_sequence_utils.SequenceFeatureExtractor`] which contains most of the main methods. Users should refer to this supercla...
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class ASTConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`ASTModel`]. It is used to instantiate an AST model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a similar configu...
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class ASTEmbeddings(nn.Module): """ Construct the CLS token, position and patch embeddings. """ def __init__(self, config: ASTConfig) -> None: super().__init__() self.cls_token = nn.Parameter(torch.zeros(1, 1, config.hidden_size)) self.distillation_token = nn.Parameter(torch.ze...
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class ASTPatchEmbeddings(nn.Module): """ This class turns `input_values` 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): super().__init__() patch_size = config.patc...
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class ASTSelfAttention(nn.Module): def __init__(self, config: ASTConfig) -> 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,} is not a multi...
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class ASTSdpaSelfAttention(ASTSelfAttention): def __init__(self, config: ASTConfig) -> None: super().__init__(config) self.attention_probs_dropout_prob = config.attention_probs_dropout_prob def forward( self, hidden_states: torch.FloatTensor, head_mask: Optional[torch.Te...
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class ASTSelfOutput(nn.Module): """ The residual connection is defined in ASTLayer instead of here (as is the case with other models), due to the layernorm applied before each block. """ def __init__(self, config: ASTConfig) -> None: super().__init__() self.dense = nn.Linear(config....
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class ASTAttention(nn.Module): def __init__(self, config: ASTConfig) -> None: super().__init__() self.attention = ASTSelfAttention(config) self.output = ASTSelfOutput(config) self.pruned_heads = set() def prune_heads(self, heads: Set[int]) -> None: if len(heads) == 0: ...
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class ASTSdpaAttention(ASTAttention): def __init__(self, config: ASTConfig) -> None: super().__init__(config) self.attention = ASTSdpaSelfAttention(config)
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class ASTIntermediate(nn.Module): def __init__(self, config: ASTConfig) -> 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 ASTOutput(nn.Module): def __init__(self, config: ASTConfig) -> 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.Ten...
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class ASTLayer(nn.Module): """This corresponds to the Block class in the timm implementation.""" def __init__(self, config: ASTConfig) -> None: super().__init__() self.chunk_size_feed_forward = config.chunk_size_feed_forward self.seq_len_dim = 1 self.attention = AST_ATTENTION_CL...
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class ASTEncoder(nn.Module): def __init__(self, config: ASTConfig) -> None: super().__init__() self.config = config self.layer = nn.ModuleList([ASTLayer(config) for _ in range(config.num_hidden_layers)]) self.gradient_checkpointing = False def forward( self, hidd...
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class ASTPreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = ASTConfig base_model_prefix = "audio_spectrogram_transformer" main_input_name = "input_values" suppo...
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class ASTModel(ASTPreTrainedModel): def __init__(self, config: ASTConfig) -> None: super().__init__(config) self.config = config self.embeddings = ASTEmbeddings(config) self.encoder = ASTEncoder(config) self.layernorm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm...
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class ASTMLPHead(nn.Module): def __init__(self, config: ASTConfig): super().__init__() self.layernorm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps) self.dense = nn.Linear(config.hidden_size, config.num_labels) if config.num_labels > 0 else nn.Identity() def forward(self,...
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class ASTForAudioClassification(ASTPreTrainedModel): def __init__(self, config: ASTConfig) -> None: super().__init__(config) self.num_labels = config.num_labels self.audio_spectrogram_transformer = ASTModel(config) # Classifier head self.classifier = ASTMLPHead(config) ...
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class FuyuProcessorKwargs(ProcessingKwargs, total=False): _defaults = { "text_kwargs": { "add_special_tokens": True, "padding": False, "stride": 0, "return_attention_mask": True, "return_overflowing_tokens": False, "return_special_token...
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class FuyuProcessor(ProcessorMixin): r""" Constructs a Fuyu processor which wraps a Fuyu image processor and a Llama tokenizer into a single processor. [`FuyuProcessor`] offers all the functionalities of [`FuyuImageProcessor`] and [`LlamaTokenizerFast`]. See the [`~FuyuProcessor.__call__`] and [`~FuyuP...
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class FuyuBatchFeature(BatchFeature): """ BatchFeature class for Fuyu image processor and processor. The outputs dictionary from the processors contains a mix of tensors and lists of tensors. """ def convert_to_tensors(self, tensor_type: Optional[Union[str, TensorType]] = None): """ ...
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class FuyuImageProcessor(BaseImageProcessor): """ This class should handle the image processing part before the main FuyuForCausalLM. In particular, it should handle: - Processing Images: Taking a batch of images as input. If the images are variable-sized, it resizes them based on the desired p...
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class FuyuConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`FuyuForCausalLM`]. It is used to instantiate an Fuyu 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 FuyuPreTrainedModel(PreTrainedModel): config_class = FuyuConfig base_model_prefix = "fuyu" supports_gradient_checkpointing = True _no_split_modules = [] _skip_keys_device_placement = "past_key_values" def _init_weights(self, module): std = self.config.initializer_range if ...
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class FuyuForCausalLM(FuyuPreTrainedModel, GenerationMixin): def __init__(self, config: FuyuConfig): super().__init__(config) self.padding_idx = config.pad_token_id self.vocab_size = config.text_config.vocab_size self.language_model = AutoModelForCausalLM.from_config(config.text_conf...
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class GPTJAttention(nn.Module): def __init__(self, config, layer_idx=None): super().__init__() self.config = config max_positions = config.max_position_embeddings self.attn_dropout = nn.Dropout(config.attn_pdrop) self.resid_dropout = nn.Dropout(config.resid_pdrop) s...
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class GPTJFlashAttention2(GPTJAttention): """ GPTJ flash attention module. This module inherits from `GPTJAttention` 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 with paddin...
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class GPTJMLP(nn.Module): def __init__(self, intermediate_size, config): # in MLP: intermediate_size= 4 * embed_dim super().__init__() embed_dim = config.n_embd self.fc_in = nn.Linear(embed_dim, intermediate_size) self.fc_out = nn.Linear(intermediate_size, embed_dim) self....
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class GPTJBlock(nn.Module): def __init__(self, config, layer_idx=None): super().__init__() inner_dim = config.n_inner if config.n_inner is not None else 4 * config.n_embd self.ln_1 = nn.LayerNorm(config.n_embd, eps=config.layer_norm_epsilon) self.attn = GPTJ_ATTENTION_CLASSES[config....
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class GPTJPreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = GPTJConfig base_model_prefix = "transformer" is_parallelizable = True supports_gradient_checkpointi...
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class GPTJModel(GPTJPreTrainedModel): def __init__(self, config): super().__init__(config) self.embed_dim = config.n_embd self.vocab_size = config.vocab_size self.wte = nn.Embedding(config.vocab_size, self.embed_dim) self.drop = nn.Dropout(config.embd_pdrop) self.h =...
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class GPTJForCausalLM(GPTJPreTrainedModel, GenerationMixin): _tied_weights_keys = ["lm_head.weight"] def __init__(self, config): super().__init__(config) self.transformer = GPTJModel(config) self.lm_head = nn.Linear(config.n_embd, config.vocab_size) # Model parallel sel...
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class GPTJForSequenceClassification(GPTJPreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.transformer = GPTJModel(config) self.score = nn.Linear(config.n_embd, self.num_labels, bias=False) # Model parallel ...
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class GPTJForQuestionAnswering(GPTJPreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.transformer = GPTJModel(config) self.qa_outputs = nn.Linear(config.hidden_size, config.num_labels) # Model parallel self...
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class TFGPTJAttention(keras.layers.Layer): def __init__(self, config: GPTJConfig, **kwargs): super().__init__(**kwargs) self.embed_dim = config.hidden_size self.num_attention_heads = config.num_attention_heads self.head_dim = self.embed_dim // self.num_attention_heads if sel...
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class TFGPTJMLP(keras.layers.Layer): def __init__(self, intermediate_size: int, config: GPTJConfig, **kwargs): super().__init__(**kwargs) embed_dim = config.n_embd self.fc_in = keras.layers.Dense( intermediate_size, kernel_initializer=get_initializer(config.initializer_range), n...
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class TFGPTJBlock(keras.layers.Layer): def __init__(self, config: GPTJConfig, **kwargs): super().__init__(**kwargs) inner_dim = config.n_inner if config.n_inner is not None else 4 * config.n_embd self.ln_1 = keras.layers.LayerNormalization(epsilon=config.layer_norm_epsilon, name="ln_1") ...
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class TFGPTJMainLayer(keras.layers.Layer): config_class = GPTJConfig def __init__(self, config: GPTJConfig, *inputs, **kwargs): super().__init__(*inputs, **kwargs) self.config = config self.output_attentions = config.output_attentions self.output_hidden_states = config.output_h...
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class TFGPTJPreTrainedModel(TFPreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = GPTJConfig base_model_prefix = "transformer" # names with a '.' represents the authorized unexpecte...
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class TFGPTJModel(TFGPTJPreTrainedModel): def __init__(self, config, *inputs, **kwargs): super().__init__(config, *inputs, **kwargs) self.transformer = TFGPTJMainLayer(config, name="transformer") @unpack_inputs @add_start_docstrings_to_model_forward(GPTJ_INPUTS_DOCSTRING) @add_code_samp...
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class TFGPTJForCausalLM(TFGPTJPreTrainedModel, TFCausalLanguageModelingLoss): def __init__(self, config, *inputs, **kwargs): super().__init__(config, *inputs, **kwargs) self.transformer = TFGPTJMainLayer(config, name="transformer") self.lm_head = keras.layers.Dense( config.vocab_...
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class TFGPTJForSequenceClassification(TFGPTJPreTrainedModel, TFSequenceClassificationLoss): _keys_to_ignore_on_load_missing = [r"h.\d+.attn.masked_bias", r"h.\d+.attn.bias", r"lm_head.weight"] def __init__(self, config, *inputs, **kwargs): super().__init__(config, *inputs, **kwargs) self.num_la...
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class TFGPTJForQuestionAnswering(TFGPTJPreTrainedModel, TFQuestionAnsweringLoss): _keys_to_ignore_on_load_missing = [r"h.\d+.attn.masked_bias", r"h.\d+.attn.bias", r"lm_head.weight"] def __init__(self, config, *inputs, **kwargs): super().__init__(config, *inputs, **kwargs) self.num_labels = con...
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class GPTJConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`GPTJModel`]. It is used to instantiate a GPT-J model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a similar conf...
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class GPTJOnnxConfig(OnnxConfigWithPast): def __init__( self, config: PretrainedConfig, task: str = "default", patching_specs: List[PatchingSpec] = None, use_past: bool = False, ): super().__init__(config, task=task, patching_specs=patching_specs, use_past=use_pas...
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class FlaxGPTJAttention(nn.Module): config: GPTJConfig dtype: jnp.dtype = jnp.float32 causal: bool = True is_cross_attention: bool = False def setup(self): config = self.config self.embed_dim = config.hidden_size self.num_heads = config.num_attention_heads self.head_...
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class FlaxGPTJMLP(nn.Module): config: GPTJConfig intermediate_size: int dtype: jnp.dtype = jnp.float32 def setup(self): embed_dim = self.config.hidden_size kernel_init = jax.nn.initializers.normal(self.config.initializer_range) self.fc_in = nn.Dense(self.intermediate_size, dtyp...
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class FlaxGPTJBlock(nn.Module): config: GPTJConfig dtype: jnp.dtype = jnp.float32 def setup(self): hidden_size = self.config.hidden_size inner_dim = self.config.n_inner if self.config.n_inner is not None else 4 * hidden_size self.ln_1 = nn.LayerNorm(epsilon=self.config.layer_norm_e...
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class FlaxGPTJPreTrainedModel(FlaxPreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = GPTJConfig base_model_prefix = "transformer" module_class: nn.Module = None def __init__( ...
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class FlaxGPTJBlockCollection(nn.Module): config: GPTJConfig dtype: jnp.dtype = jnp.float32 def setup(self): self.blocks = [ FlaxGPTJBlock(self.config, name=str(i), dtype=self.dtype) for i in range(self.config.num_hidden_layers) ] def __call__( self, hidden_...
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class FlaxGPTJModule(nn.Module): config: GPTJConfig dtype: jnp.dtype = jnp.float32 def setup(self): self.embed_dim = self.config.hidden_size self.wte = nn.Embed( self.config.vocab_size, self.config.hidden_size, embedding_init=jax.nn.initializers.normal(s...
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class FlaxGPTJModel(FlaxGPTJPreTrainedModel): module_class = FlaxGPTJModule
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class FlaxGPTJForCausalLMModule(nn.Module): config: GPTJConfig dtype: jnp.dtype = jnp.float32 def setup(self): self.transformer = FlaxGPTJModule(self.config, dtype=self.dtype) self.lm_head = nn.Dense( self.config.vocab_size, dtype=self.dtype, kernel_init=...
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class FlaxGPTJForCausalLM(FlaxGPTJPreTrainedModel): module_class = FlaxGPTJForCausalLMModule 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 = s...
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class DistilBertConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`DistilBertModel`] or a [`TFDistilBertModel`]. It is used to instantiate a DistilBERT model according to the specified arguments, defining the model architecture. Instantiating a configuration...
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class DistilBertOnnxConfig(OnnxConfig): @property def inputs(self) -> Mapping[str, Mapping[int, str]]: if self.task == "multiple-choice": dynamic_axis = {0: "batch", 1: "choice", 2: "sequence"} else: dynamic_axis = {0: "batch", 1: "sequence"} return OrderedDict( ...
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class TFEmbeddings(keras.layers.Layer): """Construct the embeddings from word, position and token_type embeddings.""" def __init__(self, config, **kwargs): super().__init__(**kwargs) self.config = config self.dim = config.dim self.initializer_range = config.initializer_range ...
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class TFMultiHeadSelfAttention(keras.layers.Layer): def __init__(self, config, **kwargs): super().__init__(**kwargs) self.n_heads = config.n_heads self.dim = config.dim self.dropout = keras.layers.Dropout(config.attention_dropout) self.output_attentions = config.output_atten...
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class TFFFN(keras.layers.Layer): def __init__(self, config, **kwargs): super().__init__(**kwargs) self.dropout = keras.layers.Dropout(config.dropout) self.lin1 = keras.layers.Dense( config.hidden_dim, kernel_initializer=get_initializer(config.initializer_range), name="lin1" ...
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class TFTransformerBlock(keras.layers.Layer): def __init__(self, config, **kwargs): super().__init__(**kwargs) self.n_heads = config.n_heads self.dim = config.dim self.hidden_dim = config.hidden_dim self.dropout = keras.layers.Dropout(config.dropout) self.activation ...
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class TFTransformer(keras.layers.Layer): def __init__(self, config, **kwargs): super().__init__(**kwargs) self.n_layers = config.n_layers self.output_hidden_states = config.output_hidden_states self.output_attentions = config.output_attentions self.layer = [TFTransformerBloc...
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class TFDistilBertMainLayer(keras.layers.Layer): config_class = DistilBertConfig def __init__(self, config, **kwargs): super().__init__(**kwargs) self.config = config self.num_hidden_layers = config.num_hidden_layers self.output_attentions = config.output_attentions sel...
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class TFDistilBertPreTrainedModel(TFPreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = DistilBertConfig base_model_prefix = "distilbert"
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class TFDistilBertModel(TFDistilBertPreTrainedModel): def __init__(self, config, *inputs, **kwargs): super().__init__(config, *inputs, **kwargs) self.distilbert = TFDistilBertMainLayer(config, name="distilbert") # Embeddings @unpack_inputs @add_start_docstrings_to_model_forward(DISTILBERT_...
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class TFDistilBertLMHead(keras.layers.Layer): def __init__(self, config, input_embeddings, **kwargs): super().__init__(**kwargs) self.config = config self.dim = config.dim # The output weights are the same as the input embeddings, but there is # an output-only bias for each...
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class TFDistilBertForMaskedLM(TFDistilBertPreTrainedModel, TFMaskedLanguageModelingLoss): def __init__(self, config, *inputs, **kwargs): super().__init__(config, *inputs, **kwargs) self.config = config self.distilbert = TFDistilBertMainLayer(config, name="distilbert") self.vocab_tra...
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class TFDistilBertForSequenceClassification(TFDistilBertPreTrainedModel, TFSequenceClassificationLoss): def __init__(self, config, *inputs, **kwargs): super().__init__(config, *inputs, **kwargs) self.num_labels = config.num_labels self.distilbert = TFDistilBertMainLayer(config, name="distil...
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class TFDistilBertForTokenClassification(TFDistilBertPreTrainedModel, TFTokenClassificationLoss): def __init__(self, config, *inputs, **kwargs): super().__init__(config, *inputs, **kwargs) self.num_labels = config.num_labels self.distilbert = TFDistilBertMainLayer(config, name="distilbert")...
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class TFDistilBertForMultipleChoice(TFDistilBertPreTrainedModel, TFMultipleChoiceLoss): def __init__(self, config, *inputs, **kwargs): super().__init__(config, *inputs, **kwargs) self.distilbert = TFDistilBertMainLayer(config, name="distilbert") self.dropout = keras.layers.Dropout(config.se...
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class TFDistilBertForQuestionAnswering(TFDistilBertPreTrainedModel, TFQuestionAnsweringLoss): def __init__(self, config, *inputs, **kwargs): super().__init__(config, *inputs, **kwargs) self.distilbert = TFDistilBertMainLayer(config, name="distilbert") self.qa_outputs = keras.layers.Dense( ...
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class Embeddings(nn.Module): def __init__(self, config: PretrainedConfig): super().__init__() self.word_embeddings = nn.Embedding(config.vocab_size, config.dim, padding_idx=config.pad_token_id) self.position_embeddings = nn.Embedding(config.max_position_embeddings, config.dim) self....
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class MultiHeadSelfAttention(nn.Module): def __init__(self, config: PretrainedConfig): super().__init__() self.config = config self.n_heads = config.n_heads self.dim = config.dim self.dropout = nn.Dropout(p=config.attention_dropout) self.is_causal = False # ...
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class DistilBertFlashAttention2(MultiHeadSelfAttention): """ DistilBert flash attention module. This module inherits from `MultiHeadSelfAttention` 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 ...
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class DistilBertSdpaAttention(MultiHeadSelfAttention): def __init__(self, config: PretrainedConfig): super().__init__(config=config) self.dropout_prob = config.attention_dropout self.require_contiguous_qkv = not is_torch_greater_or_equal_than_2_2 def forward( self, query...
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class FFN(nn.Module): def __init__(self, config: PretrainedConfig): super().__init__() self.dropout = nn.Dropout(p=config.dropout) self.chunk_size_feed_forward = config.chunk_size_feed_forward self.seq_len_dim = 1 self.lin1 = nn.Linear(in_features=config.dim, out_features=con...
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class TransformerBlock(nn.Module): def __init__(self, config: PretrainedConfig): super().__init__() # Have an even number of Configure multi-heads if config.dim % config.n_heads != 0: raise ValueError(f"config.n_heads {config.n_heads} must divide config.dim {config.dim} evenly")...
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class Transformer(nn.Module): def __init__(self, config: PretrainedConfig): super().__init__() self.n_layers = config.n_layers self.layer = nn.ModuleList([TransformerBlock(config) for _ in range(config.n_layers)]) self.gradient_checkpointing = False def forward( self, ...
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class DistilBertPreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = DistilBertConfig load_tf_weights = None base_model_prefix = "distilbert" supports_gradient_ch...
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class DistilBertModel(DistilBertPreTrainedModel): def __init__(self, config: PretrainedConfig): super().__init__(config) self.embeddings = Embeddings(config) # Embeddings self.transformer = Transformer(config) # Encoder self._use_flash_attention_2 = config._attn_implementation == ...
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class DistilBertForMaskedLM(DistilBertPreTrainedModel): _tied_weights_keys = ["vocab_projector.weight"] def __init__(self, config: PretrainedConfig): super().__init__(config) self.activation = get_activation(config.activation) self.distilbert = DistilBertModel(config) self.voc...
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class DistilBertForSequenceClassification(DistilBertPreTrainedModel): def __init__(self, config: PretrainedConfig): super().__init__(config) self.num_labels = config.num_labels self.config = config self.distilbert = DistilBertModel(config) self.pre_classifier = nn.Linear(con...
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class DistilBertForQuestionAnswering(DistilBertPreTrainedModel): def __init__(self, config: PretrainedConfig): super().__init__(config) self.distilbert = DistilBertModel(config) self.qa_outputs = nn.Linear(config.dim, config.num_labels) if config.num_labels != 2: raise V...
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class DistilBertForTokenClassification(DistilBertPreTrainedModel): def __init__(self, config: PretrainedConfig): super().__init__(config) self.num_labels = config.num_labels self.distilbert = DistilBertModel(config) self.dropout = nn.Dropout(config.dropout) self.classifier =...
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class DistilBertForMultipleChoice(DistilBertPreTrainedModel): def __init__(self, config: PretrainedConfig): super().__init__(config) self.distilbert = DistilBertModel(config) self.pre_classifier = nn.Linear(config.dim, config.dim) self.classifier = nn.Linear(config.dim, 1) s...
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/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/distilbert/modeling_distilbert.py
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class DistilBertTokenizer(PreTrainedTokenizer): r""" Construct a DistilBERT tokenizer. Based on WordPiece. This tokenizer inherits from [`PreTrainedTokenizer`] which contains most of the main methods. Users should refer to this superclass for more information regarding those methods. Args: ...
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/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/distilbert/tokenization_distilbert.py
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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 FlaxEmbeddings(nn.Module): """Construct the embeddings from word, position and token_type embeddings.""" config: DistilBertConfig dtype: jnp.dtype = jnp.float32 # the dtype of the computation def setup(self): self.word_embeddings = nn.Embed( self.config.vocab_size, ...
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