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class ClapTextModel(ClapPreTrainedModel): """ The model can behave as an encoder (with only self-attention) as well as a decoder, in which case a layer of cross-attention is added between the self-attention layers, following the architecture described in *Attention is all you need*_ by Ashish Vaswani, ...
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class ClapModel(ClapPreTrainedModel): config_class = ClapConfig def __init__(self, config: ClapConfig): super().__init__(config) if not isinstance(config.text_config, ClapTextConfig): raise TypeError( "config.text_config is expected to be of type ClapTextConfig but ...
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/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/clap/modeling_clap.py
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class ClapTextModelWithProjection(ClapPreTrainedModel): config_class = ClapTextConfig def __init__(self, config: ClapTextConfig): super().__init__(config) self.text_model = ClapTextModel(config) self.text_projection = ClapProjectionLayer(config) # Initialize weights and apply fi...
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class ClapAudioModelWithProjection(ClapPreTrainedModel): config_class = ClapAudioConfig main_input_name = "input_features" def __init__(self, config: ClapAudioConfig): super().__init__(config) self.audio_model = ClapAudioModel(config) self.audio_projection = ClapProjectionLayer(conf...
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class ClapProcessor(ProcessorMixin): r""" Constructs a CLAP processor which wraps a CLAP feature extractor and a RoBerta tokenizer into a single processor. [`ClapProcessor`] offers all the functionalities of [`ClapFeatureExtractor`] and [`RobertaTokenizerFast`]. See the [`~ClapProcessor.__call__`] and ...
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class ClapTextConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`ClapTextModel`]. It is used to instantiate a CLAP model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a simil...
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class ClapAudioConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`ClapAudioModel`]. It is used to instantiate a CLAP audio encoder according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yie...
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class ClapConfig(PretrainedConfig): r""" [`ClapConfig`] is the configuration class to store the configuration of a [`ClapModel`]. It is used to instantiate a CLAP model according to the specified arguments, defining the text model and audio model configs. Instantiating a configuration with the defaults ...
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class MobileViTConvLayer(nn.Module): def __init__( self, config: MobileViTConfig, in_channels: int, out_channels: int, kernel_size: int, stride: int = 1, groups: int = 1, bias: bool = False, dilation: int = 1, use_normalization: bool = ...
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class MobileViTInvertedResidual(nn.Module): """ Inverted residual block (MobileNetv2): https://arxiv.org/abs/1801.04381 """ def __init__( self, config: MobileViTConfig, in_channels: int, out_channels: int, stride: int, dilation: int = 1 ) -> None: super().__init__() expanded...
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class MobileViTMobileNetLayer(nn.Module): def __init__( self, config: MobileViTConfig, in_channels: int, out_channels: int, stride: int = 1, num_stages: int = 1 ) -> None: super().__init__() self.layer = nn.ModuleList() for i in range(num_stages): layer = MobileViTIn...
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class MobileViTSelfAttention(nn.Module): def __init__(self, config: MobileViTConfig, hidden_size: int) -> None: super().__init__() if hidden_size % config.num_attention_heads != 0: raise ValueError( f"The hidden size {hidden_size,} is not a multiple of the number of atte...
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class MobileViTSelfOutput(nn.Module): def __init__(self, config: MobileViTConfig, hidden_size: int) -> None: super().__init__() self.dense = nn.Linear(hidden_size, hidden_size) self.dropout = nn.Dropout(config.hidden_dropout_prob) def forward(self, hidden_states: torch.Tensor) -> torch....
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class MobileViTAttention(nn.Module): def __init__(self, config: MobileViTConfig, hidden_size: int) -> None: super().__init__() self.attention = MobileViTSelfAttention(config, hidden_size) self.output = MobileViTSelfOutput(config, hidden_size) self.pruned_heads = set() def prune_...
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class MobileViTIntermediate(nn.Module): def __init__(self, config: MobileViTConfig, hidden_size: int, intermediate_size: int) -> None: super().__init__() self.dense = nn.Linear(hidden_size, intermediate_size) if isinstance(config.hidden_act, str): self.intermediate_act_fn = ACT2F...
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class MobileViTOutput(nn.Module): def __init__(self, config: MobileViTConfig, hidden_size: int, intermediate_size: int) -> None: super().__init__() self.dense = nn.Linear(intermediate_size, hidden_size) self.dropout = nn.Dropout(config.hidden_dropout_prob) def forward(self, hidden_state...
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class MobileViTTransformerLayer(nn.Module): def __init__(self, config: MobileViTConfig, hidden_size: int, intermediate_size: int) -> None: super().__init__() self.attention = MobileViTAttention(config, hidden_size) self.intermediate = MobileViTIntermediate(config, hidden_size, intermediate_s...
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class MobileViTTransformer(nn.Module): def __init__(self, config: MobileViTConfig, hidden_size: int, num_stages: int) -> None: super().__init__() self.layer = nn.ModuleList() for _ in range(num_stages): transformer_layer = MobileViTTransformerLayer( config, ...
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class MobileViTLayer(nn.Module): """ MobileViT block: https://arxiv.org/abs/2110.02178 """ def __init__( self, config: MobileViTConfig, in_channels: int, out_channels: int, stride: int, hidden_size: int, num_stages: int, dilation: int = 1,...
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class MobileViTEncoder(nn.Module): def __init__(self, config: MobileViTConfig) -> None: super().__init__() self.config = config self.layer = nn.ModuleList() self.gradient_checkpointing = False # segmentation architectures like DeepLab and PSPNet modify the strides #...
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class MobileViTPreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = MobileViTConfig base_model_prefix = "mobilevit" main_input_name = "pixel_values" supports_grad...
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class MobileViTModel(MobileViTPreTrainedModel): def __init__(self, config: MobileViTConfig, expand_output: bool = True): super().__init__(config) self.config = config self.expand_output = expand_output self.conv_stem = MobileViTConvLayer( config, in_channels=...
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class MobileViTForImageClassification(MobileViTPreTrainedModel): def __init__(self, config: MobileViTConfig) -> None: super().__init__(config) self.num_labels = config.num_labels self.mobilevit = MobileViTModel(config) # Classifier head self.dropout = nn.Dropout(config.clas...
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class MobileViTASPPPooling(nn.Module): def __init__(self, config: MobileViTConfig, in_channels: int, out_channels: int) -> None: super().__init__() self.global_pool = nn.AdaptiveAvgPool2d(output_size=1) self.conv_1x1 = MobileViTConvLayer( config, in_channels=in_chan...
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class MobileViTASPP(nn.Module): """ ASPP module defined in DeepLab papers: https://arxiv.org/abs/1606.00915, https://arxiv.org/abs/1706.05587 """ def __init__(self, config: MobileViTConfig) -> None: super().__init__() in_channels = config.neck_hidden_sizes[-2] out_channels = co...
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class MobileViTDeepLabV3(nn.Module): """ DeepLabv3 architecture: https://arxiv.org/abs/1706.05587 """ def __init__(self, config: MobileViTConfig) -> None: super().__init__() self.aspp = MobileViTASPP(config) self.dropout = nn.Dropout2d(config.classifier_dropout_prob) s...
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class MobileViTForSemanticSegmentation(MobileViTPreTrainedModel): def __init__(self, config: MobileViTConfig) -> None: super().__init__(config) self.num_labels = config.num_labels self.mobilevit = MobileViTModel(config, expand_output=False) self.segmentation_head = MobileViTDeepLabV...
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class MobileViTImageProcessor(BaseImageProcessor): r""" Constructs a MobileViT image processor. Args: do_resize (`bool`, *optional*, defaults to `True`): Whether to resize the image's (height, width) dimensions to the specified `size`. Can be overridden by the `do_resize` pa...
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class TFMobileViTConvLayer(keras.layers.Layer): def __init__( self, config: MobileViTConfig, in_channels: int, out_channels: int, kernel_size: int, stride: int = 1, groups: int = 1, bias: bool = False, dilation: int = 1, use_normalizati...
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class TFMobileViTInvertedResidual(keras.layers.Layer): """ Inverted residual block (MobileNetv2): https://arxiv.org/abs/1801.04381 """ def __init__( self, config: MobileViTConfig, in_channels: int, out_channels: int, stride: int, dilation: int = 1, **kwargs ) -> None: super().__init...
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class TFMobileViTMobileNetLayer(keras.layers.Layer): def __init__( self, config: MobileViTConfig, in_channels: int, out_channels: int, stride: int = 1, num_stages: int = 1, **kwargs, ) -> None: super().__init__(**kwargs) self.layers = [] ...
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class TFMobileViTSelfAttention(keras.layers.Layer): def __init__(self, config: MobileViTConfig, hidden_size: int, **kwargs) -> None: super().__init__(**kwargs) if hidden_size % config.num_attention_heads != 0: raise ValueError( f"The hidden size {hidden_size,} is not a m...
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class TFMobileViTSelfOutput(keras.layers.Layer): def __init__(self, config: MobileViTConfig, hidden_size: int, **kwargs) -> None: super().__init__(**kwargs) self.dense = keras.layers.Dense(hidden_size, name="dense") self.dropout = keras.layers.Dropout(config.hidden_dropout_prob) self...
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class TFMobileViTAttention(keras.layers.Layer): def __init__(self, config: MobileViTConfig, hidden_size: int, **kwargs) -> None: super().__init__(**kwargs) self.attention = TFMobileViTSelfAttention(config, hidden_size, name="attention") self.dense_output = TFMobileViTSelfOutput(config, hidde...
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class TFMobileViTIntermediate(keras.layers.Layer): def __init__(self, config: MobileViTConfig, hidden_size: int, intermediate_size: int, **kwargs) -> None: super().__init__(**kwargs) self.dense = keras.layers.Dense(intermediate_size, name="dense") if isinstance(config.hidden_act, str): ...
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class TFMobileViTOutput(keras.layers.Layer): def __init__(self, config: MobileViTConfig, hidden_size: int, intermediate_size: int, **kwargs) -> None: super().__init__(**kwargs) self.dense = keras.layers.Dense(hidden_size, name="dense") self.dropout = keras.layers.Dropout(config.hidden_dropou...
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class TFMobileViTTransformerLayer(keras.layers.Layer): def __init__(self, config: MobileViTConfig, hidden_size: int, intermediate_size: int, **kwargs) -> None: super().__init__(**kwargs) self.attention = TFMobileViTAttention(config, hidden_size, name="attention") self.intermediate = TFMobile...
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class TFMobileViTTransformer(keras.layers.Layer): def __init__(self, config: MobileViTConfig, hidden_size: int, num_stages: int, **kwargs) -> None: super().__init__(**kwargs) self.layers = [] for i in range(num_stages): transformer_layer = TFMobileViTTransformerLayer( ...
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class TFMobileViTLayer(keras.layers.Layer): """ MobileViT block: https://arxiv.org/abs/2110.02178 """ def __init__( self, config: MobileViTConfig, in_channels: int, out_channels: int, stride: int, hidden_size: int, num_stages: int, dilatio...
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class TFMobileViTEncoder(keras.layers.Layer): def __init__(self, config: MobileViTConfig, **kwargs) -> None: super().__init__(**kwargs) self.config = config self.layers = [] # segmentation architectures like DeepLab and PSPNet modify the strides # of the classification back...
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class TFMobileViTMainLayer(keras.layers.Layer): config_class = MobileViTConfig def __init__(self, config: MobileViTConfig, expand_output: bool = True, **kwargs): super().__init__(**kwargs) self.config = config self.expand_output = expand_output self.conv_stem = TFMobileViTConvL...
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class TFMobileViTPreTrainedModel(TFPreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = MobileViTConfig base_model_prefix = "mobilevit" main_input_name = "pixel_values"
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class TFMobileViTModel(TFMobileViTPreTrainedModel): def __init__(self, config: MobileViTConfig, expand_output: bool = True, *inputs, **kwargs): super().__init__(config, *inputs, **kwargs) self.config = config self.expand_output = expand_output self.mobilevit = TFMobileViTMainLayer(c...
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class TFMobileViTForImageClassification(TFMobileViTPreTrainedModel, TFSequenceClassificationLoss): def __init__(self, config: MobileViTConfig, *inputs, **kwargs) -> None: super().__init__(config, *inputs, **kwargs) self.num_labels = config.num_labels self.mobilevit = TFMobileViTMainLayer(co...
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class TFMobileViTASPPPooling(keras.layers.Layer): def __init__(self, config: MobileViTConfig, in_channels: int, out_channels: int, **kwargs) -> None: super().__init__(**kwargs) self.global_pool = keras.layers.GlobalAveragePooling2D(keepdims=True, name="global_pool") self.conv_1x1 = TFMobil...
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class TFMobileViTASPP(keras.layers.Layer): """ ASPP module defined in DeepLab papers: https://arxiv.org/abs/1606.00915, https://arxiv.org/abs/1706.05587 """ def __init__(self, config: MobileViTConfig, **kwargs) -> None: super().__init__(**kwargs) in_channels = config.neck_hidden_sizes[...
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class TFMobileViTDeepLabV3(keras.layers.Layer): """ DeepLabv3 architecture: https://arxiv.org/abs/1706.05587 """ def __init__(self, config: MobileViTConfig, **kwargs) -> None: super().__init__(**kwargs) self.aspp = TFMobileViTASPP(config, name="aspp") self.dropout = keras.layer...
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class TFMobileViTForSemanticSegmentation(TFMobileViTPreTrainedModel): def __init__(self, config: MobileViTConfig, **kwargs) -> None: super().__init__(config, **kwargs) self.num_labels = config.num_labels self.mobilevit = TFMobileViTMainLayer(config, expand_output=False, name="mobilevit") ...
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/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/mobilevit/modeling_tf_mobilevit.py
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class MobileViTConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`MobileViTModel`]. It is used to instantiate a MobileViT model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield ...
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class MobileViTOnnxConfig(OnnxConfig): torch_onnx_minimum_version = version.parse("1.11") @property def inputs(self) -> Mapping[str, Mapping[int, str]]: return OrderedDict([("pixel_values", {0: "batch", 1: "num_channels", 2: "height", 3: "width"})]) @property def outputs(self) -> Mapping[s...
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class MobileViTFeatureExtractor(MobileViTImageProcessor): def __init__(self, *args, **kwargs) -> None: warnings.warn( "The class MobileViTFeatureExtractor is deprecated and will be removed in version 5 of Transformers." " Please use MobileViTImageProcessor instead.", Futu...
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class IdeficsVisionModelOutput(ModelOutput): """ Base class for vision model's outputs that also contains image embeddings of the pooling of the last hidden states. Args: image_embeds (`torch.FloatTensor` of shape `(batch_size, output_dim)` *optional* returned when model is initialized with `with_p...
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class IdeficsVisionEmbeddings(nn.Module): def __init__(self, config: IdeficsVisionConfig): super().__init__() self.config = config self.embed_dim = config.hidden_size self.image_size = config.image_size self.patch_size = config.patch_size self.class_embedding = nn.Pa...
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class IdeficsVisionAttention(nn.Module): """Multi-headed attention from 'Attention Is All You Need' paper""" def __init__(self, config): super().__init__() self.config = config self.embed_dim = config.hidden_size self.num_heads = config.num_attention_heads self.head_dim ...
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class IdeficsVisionMLP(nn.Module): def __init__(self, config): super().__init__() self.config = config self.activation_fn = ACT2FN[config.hidden_act] self.fc1 = nn.Linear(config.hidden_size, config.intermediate_size) self.fc2 = nn.Linear(config.intermediate_size, config.hidde...
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class IdeficsVisionEncoderLayer(nn.Module): def __init__(self, config: IdeficsVisionConfig): super().__init__() self.embed_dim = config.hidden_size self.self_attn = IdeficsVisionAttention(config) self.layer_norm1 = nn.LayerNorm(self.embed_dim, eps=config.layer_norm_eps) self....
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class IdeficsVisionEncoder(nn.Module): """ Transformer encoder consisting of `config.num_hidden_layers` self attention layers. Each layer is a [`IdeficsVisionEncoderLayer`]. Args: config: IdeficsVisionConfig """ def __init__(self, config: IdeficsVisionConfig): super().__init__(...
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class IdeficsVisionTransformer(nn.Module): def __init__(self, config: IdeficsVisionConfig): super().__init__() self.config = config embed_dim = config.hidden_size self.embeddings = IdeficsVisionEmbeddings(config) self.pre_layrnorm = nn.LayerNorm(embed_dim, eps=config.layer_n...
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class IdeficsBaseModelOutputWithPast(ModelOutput): """ Base class for Idefics model's outputs that may also contain a past key/values (to speed up sequential decoding). Args: last_hidden_state (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`): Sequence of hidde...
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class IdeficsCausalLMOutputWithPast(ModelOutput): """ Base class for Idefics causal language model (or autoregressive) outputs. Args: loss (`torch.FloatTensor` of shape `(1,)`, *optional*, returned when `labels` is provided): Language modeling loss (for next-token prediction). l...
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class IdeficsDecoupledEmbedding(nn.Embedding): # Derived from https://pytorch.org/docs/stable/_modules/torch/nn/modules/sparse.html#Embedding """ Implements a decoupling of parameters to allow freezing (or not) a subset of the embeddings. In practise, the regular `weight` can be trained or frozen (i.e. ...
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class IdeficsDecoupledLinear(nn.Linear): # Derived from https://pytorch.org/docs/stable/_modules/torch/nn/modules/linear.html#Linear """ Implements a decoupling of parameters to allow freezing (or not) a subset of the parameters. In practise, the regular `weight` can be trained or frozen (i.e. `partiall...
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class IdeficsRMSNorm(nn.Module): def __init__(self, hidden_size, eps=1e-6): """ IdeficsRMSNorm is equivalent to T5LayerNorm """ super().__init__() self.weight = nn.Parameter(torch.ones(hidden_size)) self.variance_epsilon = eps def forward(self, hidden_states): ...
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class IdeficsEmbedding(torch.nn.Module): def __init__(self, dim, max_position_embeddings=2048, base=10000, device=None): super().__init__() self.dim = dim self.max_position_embeddings = max_position_embeddings self.base = base inv_freq = 1.0 / (self.base ** (torch.arange(0, ...
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class IdeficsMLP(nn.Module): def __init__( self, hidden_size: int, intermediate_size: int, hidden_act: str, ): super().__init__() self.gate_proj = nn.Linear(hidden_size, intermediate_size, bias=False) self.down_proj = nn.Linear(intermediate_size, hidden_si...
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class IdeficsAttention(nn.Module): """Multi-headed attention from 'Attention Is All You Need' paper""" def __init__( self, hidden_size: int, num_heads: int, dropout: float = 0.0, is_cross_attention: bool = False, config: PretrainedConfig = None, qk_layer_...
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class IdeficsDecoderLayer(nn.Module): def __init__(self, config: IdeficsConfig, layer_idx: int = None): super().__init__() self.hidden_size = config.hidden_size self.self_attn = IdeficsAttention( hidden_size=self.hidden_size, num_heads=config.num_attention_heads, ...
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class IdeficsGatedCrossAttentionLayer(nn.Module): def __init__(self, config: IdeficsConfig, layer_idx: int = None): super().__init__() self.hidden_size = config.hidden_size self.cross_attn = IdeficsAttention( hidden_size=self.hidden_size, num_heads=config.num_attentio...
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class IdeficsPreTrainedModel(PreTrainedModel): config_class = IdeficsConfig base_model_prefix = "model" supports_gradient_checkpointing = True _no_split_modules = ["IdeficsDecoderLayer", "IdeficsGatedCrossAttentionLayer"] _supports_sdpa = True _supports_cache_class = True _supports_static_ca...
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class IdeficsModel(IdeficsPreTrainedModel): """ Transformer decoder consisting of `config.num_hidden_layers` layers. Each layer is a [`IdeficsDecoderLayer`] Args: config: IdeficsConfig """ def __init__(self, config: IdeficsConfig): super().__init__(config) self.config = con...
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class IdeficsForVisionText2Text(IdeficsPreTrainedModel, GenerationMixin): _keys_to_ignore_on_load_missing = [r"lm_head.weight"] _tied_weights_keys = ["model.embed_tokens.weight", "lm_head.weight"] def __init__(self, config, vision_model=None): super().__init__(config) self.model = IdeficsMo...
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class IdeficsPerceiverResampler(nn.Module): def __init__( self, config: IdeficsConfig, embed_dim: int, depth: int, n_heads: int, head_dim: int, n_latents: int ) -> None: """ Instantiates a Perceiver Resampler that operates over a sequence of embeddings (say from a ResNet or ViT or ...
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class IdeficsPerceiverAttention(nn.Module): def __init__(self, embed_dim: int, n_heads: int, head_dim: int, qk_layer_norms: bool) -> None: """Perceiver Cross-Attention Module --> let long-form inputs be `context`, resampled embeddings be `latents`""" super().__init__() self.embed_dim, self.n...
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class IdeficsMLP(nn.Module): def __init__(self, intermediate_size, config: IdeficsConfig): """Simple MLP block with intermediate_size and embedding size""" super().__init__() self.embed_dim = config.vision_config.embed_dim self.ln = nn.LayerNorm(self.embed_dim) self.fc = nn.L...
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class IdeficsImagesKwargs(ImagesKwargs, total=False): transform: Optional[Callable] image_size: Optional[Dict[str, int]] image_mean: Optional[Union[float, List[float]]] image_std: Optional[Union[float, List[float]]]
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class IdeficsTextKwargs(TextKwargs, total=False): add_eos_token: Optional[bool] add_end_of_utterance_token: Optional[bool]
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class IdeficsProcessorKwargs(ProcessingKwargs, total=False): text_kwargs: IdeficsTextKwargs images_kwargs: IdeficsImagesKwargs _defaults = { "text_kwargs": { "add_special_tokens": False, "padding": "longest", "add_eos_token": False, }, "images_kwar...
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class IdeficsProcessor(ProcessorMixin): r""" Constructs a IDEFICS processor which wraps a LLama tokenizer and IDEFICS image processor into a single processor. [`IdeficsProcessor`] offers all the functionalities of [`IdeficsImageProcessor`] and [`LlamaTokenizerFast`]. See the docstring of [`~IdeficsProc...
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class TFIdeficsVisionModelOutput(ModelOutput): """ Base class for vision model's outputs that also contains image embeddings of the pooling of the last hidden states. Args: image_embeds (`tf.Tensor` of shape `(batch_size, output_dim)` *optional* returned when model is initialized with `with_project...
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class TFIdeficsVisionEmbeddings(tf.keras.layers.Layer): def __init__(self, config: IdeficsVisionConfig, **kwargs): super().__init__(**kwargs) self.config = config self.embed_dim = config.hidden_size self.image_size = config.image_size self.patch_size = config.patch_size ...
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class TFIdeficsVisionAttention(tf.keras.layers.Layer): """Multi-headed attention from 'Attention Is All You Need' paper""" def __init__(self, config, **kwargs): super().__init__(**kwargs) self.config = config self.embed_dim = config.hidden_size self.num_heads = config.num_attent...
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class TFIdeficsVisionMLP(tf.keras.layers.Layer): def __init__(self, config, **kwargs): super().__init__(**kwargs) self.config = config self.activation_fn = get_tf_activation(config.hidden_act) self.fc1 = tf.keras.layers.Dense(config.intermediate_size, name="fc1") self.fc2 = t...
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class TFIdeficsVisionEncoderLayer(tf.keras.layers.Layer): def __init__(self, config: IdeficsVisionConfig, **kwargs): super().__init__(**kwargs) self.embed_dim = config.hidden_size self.self_attn = TFIdeficsVisionAttention(config, name="self_attn") self.layer_norm1 = tf.keras.layers.L...
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class TFIdeficsVisionEncoder(tf.keras.layers.Layer): """ Transformer encoder consisting of `config.num_hidden_layers` self attention layers. Each layer is a [`TFIdeficsVisionEncoderLayer`]. Args: config: IdeficsVisionConfig """ def __init__(self, config: IdeficsVisionConfig, **kwargs):...
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class TFIdeficsVisionTransformer(TFPreTrainedModel): def __init__(self, config: IdeficsVisionConfig, **kwargs): super().__init__(config, **kwargs) self.config = config self.embed_dim = config.hidden_size self.embeddings = TFIdeficsVisionEmbeddings(config, name="embeddings") ...
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class IdeficsImageProcessor(BaseImageProcessor): r""" Constructs a Idefics image processor. Args: image_size (`int`, *optional*, defaults to 224): Resize to image size image_mean (`float` or `List[float]`, *optional*, defaults to `IDEFICS_STANDARD_MEAN`): Mean to use...
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class TFIdeficsPerceiverResampler(tf.keras.layers.Layer): def __init__( self, config: IdeficsConfig, embed_dim: int, depth: int, n_heads: int, head_dim: int, n_latents: int, **kwargs ) -> None: """ Instantiates a Perceiver Resampler that operates over a sequence of embeddings (say from a...
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class TFIdeficsPerceiverAttention(tf.keras.layers.Layer): def __init__(self, embed_dim: int, n_heads: int, head_dim: int, qk_layer_norms: bool, **kwargs) -> None: """Perceiver Cross-Attention Module --> let long-form inputs be `context`, resampled embeddings be `latents`""" super().__init__(**kwargs...
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class TFIdeficsMLP(tf.keras.layers.Layer): def __init__(self, intermediate_size, config: IdeficsConfig, **kwargs): """Simple MLP block with intermediate_size and embedding size""" super().__init__(**kwargs) self.embed_dim = config.vision_config.embed_dim self.ln = tf.keras.layers.Lay...
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class TFIdeficsBaseModelOutputWithPast(ModelOutput): """ Base class for Idefics 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-stat...
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class TFIdeficsCausalLMOutputWithPast(ModelOutput): """ Base class for Idefics causal language model (or autoregressive) outputs. Args: loss (`tf.Tensor` of shape `(1,)`, *optional*, returned when `labels` is provided): Language modeling loss (for next-token prediction). logits ...
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class TFIdeficsDecoupledEmbedding(tf.keras.layers.Embedding): """ Implements a decoupling of parameters to allow freezing (or not) a subset of the embeddings. In practise, the regular `weight` can be trained or frozen (i.e. `partially_freeze=True`), and if `num_additional_embeddings` > 0, then it will c...
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class TFIdeficsDecoupledLinear(tf.keras.layers.Layer): """ Implements a decoupling of parameters to allow freezing (or not) a subset of the parameters. In practise, the regular `weight` can be trained or frozen (i.e. `partially_freeze=True`), and if `out_additional_features` > 0, then it will create `ou...
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class TFIdeficsRMSNorm(tf.keras.layers.Layer): def __init__(self, hidden_size, eps=1e-6, **kwargs): """ TFIdeficsRMSNorm is equivalent to T5LayerNorm """ super().__init__(**kwargs) self.hidden_size = hidden_size self.variance_epsilon = eps def build(self, input_s...
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class TFIdeficsEmbedding(tf.keras.layers.Layer): def __init__(self, dim, max_position_embeddings=2048, base=10000, **kwargs): super().__init__(**kwargs) self.dim = dim self.max_position_embeddings = max_position_embeddings self.base = base self.inv_freq = tf.constant( ...
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class TFIdeficsMLP(tf.keras.layers.Layer): def __init__( self, hidden_size: int, intermediate_size: int, hidden_act: str, **kwargs, ): super().__init__(**kwargs) self.gate_proj = tf.keras.layers.Dense(intermediate_size, use_bias=False, name="gate_proj") ...
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class TFIdeficsAttention(tf.keras.layers.Layer): """Multi-headed attention from 'Attention Is All You Need' paper""" def __init__( self, hidden_size: int, num_heads: int, dropout: float = 0.0, is_cross_attention: bool = False, config: IdeficsConfig = None, ...
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class TFIdeficsDecoderLayer(tf.keras.layers.Layer): def __init__(self, config: IdeficsConfig, **kwargs): super().__init__(**kwargs) self.hidden_size = config.hidden_size self.self_attn = TFIdeficsAttention( hidden_size=self.hidden_size, num_heads=config.num_attention_...
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class TFIdeficsGatedCrossAttentionLayer(tf.keras.layers.Layer): def __init__(self, config: IdeficsConfig, **kwargs): super().__init__(**kwargs) self.hidden_size = config.hidden_size self.cross_attn = TFIdeficsAttention( hidden_size=self.hidden_size, num_heads=config.n...
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class TFIdeficsPreTrainedModel(TFPreTrainedModel): config_class = IdeficsConfig base_model_prefix = "model" supports_gradient_checkpointing = True _no_split_modules = ["TFIdeficsDecoderLayer", "TFIdeficsGatedCrossAttentionLayer"]
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