text
stringlengths
1
1.02k
class_index
int64
0
10.8k
source
stringlengths
85
188
if not return_dict: output = (lm_logits,) + outputs[1:] return ((masked_lm_loss,) + output) if masked_lm_loss is not None else output return TFSeq2SeqLMOutput( loss=masked_lm_loss, logits=lm_logits, past_key_values=outputs.past_key_values, decoder_hidden_states=outputs.decoder_hidden_states, decoder_attentions=outputs.decoder_attentions, cross_attentions=outputs.cross_attentions, encoder_last_hidden_state=outputs.encoder_last_hidden_state, encoder_hidden_states=outputs.encoder_hidden_states, encoder_attentions=outputs.encoder_attentions, )
3,298
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/modeling_tf_speech_to_text.py
def serving_output(self, output): pkv = tf.tuple(output.past_key_values)[1] if self.config.use_cache else None dec_hs = tf.convert_to_tensor(output.decoder_hidden_states) if self.config.output_hidden_states else None dec_attns = tf.convert_to_tensor(output.decoder_attentions) if self.config.output_attentions else None cross_attns = tf.convert_to_tensor(output.cross_attentions) if self.config.output_attentions else None enc_hs = tf.convert_to_tensor(output.encoder_hidden_states) if self.config.output_hidden_states else None enc_attns = tf.convert_to_tensor(output.encoder_attentions) if self.config.output_attentions else None
3,298
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/modeling_tf_speech_to_text.py
return TFSeq2SeqLMOutput( logits=output.logits, past_key_values=pkv, decoder_hidden_states=dec_hs, decoder_attentions=dec_attns, cross_attentions=cross_attns, encoder_last_hidden_state=output.encoder_last_hidden_state, encoder_hidden_states=enc_hs, encoder_attentions=enc_attns, ) def prepare_inputs_for_generation( self, decoder_input_ids, past_key_values=None, attention_mask=None, head_mask=None, decoder_head_mask=None, cross_attn_head_mask=None, use_cache=None, encoder_outputs=None, **kwargs, ): # cut decoder_input_ids if past is used if past_key_values is not None: decoder_input_ids = decoder_input_ids[:, -1:]
3,298
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/modeling_tf_speech_to_text.py
return { "input_features": None, # needs to be passed to make Keras.layer.__call__ happy "encoder_outputs": encoder_outputs, "past_key_values": past_key_values, "decoder_input_ids": decoder_input_ids, "attention_mask": attention_mask, "head_mask": head_mask, "decoder_head_mask": decoder_head_mask, "cross_attn_head_mask": cross_attn_head_mask, "use_cache": use_cache, # change this to avoid caching (presumably for debugging) } def build(self, input_shape=None): if self.built: return self.built = True if getattr(self, "model", None) is not None: with tf.name_scope(self.model.name): self.model.build(None) if getattr(self, "lm_head", None) is not None: with tf.name_scope(self.lm_head.name): self.lm_head.build([None, None, self.config.d_model])
3,298
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/modeling_tf_speech_to_text.py
def tf_to_pt_weight_rename(self, tf_weight): if tf_weight == "lm_head.weight": return tf_weight, "model.decoder.embed_tokens.weight" else: return (tf_weight,)
3,298
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/modeling_tf_speech_to_text.py
class Speech2TextConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`Speech2TextModel`]. It is used to instantiate a Speech2Text model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a similar configuration to that of the Speech2Text [facebook/s2t-small-librispeech-asr](https://huggingface.co/facebook/s2t-small-librispeech-asr) architecture. Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the documentation from [`PretrainedConfig`] for more information.
3,299
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/configuration_speech_to_text.py
Args: vocab_size (`int`, *optional*, defaults to 10000): Vocabulary size of the Speech2Text model. Defines the number of different tokens that can be represented by the `inputs_ids` passed when calling [`Speech2TextModel`] encoder_layers (`int`, *optional*, defaults to 12): Number of encoder layers. encoder_ffn_dim (`int`, *optional*, defaults to 2048): Dimensionality of the "intermediate" (often named feed-forward) layer in encoder. encoder_attention_heads (`int`, *optional*, defaults to 4): Number of attention heads for each attention layer in the Transformer encoder. decoder_layers (`int`, *optional*, defaults to 6): Number of decoder layers. decoder_ffn_dim (`int`, *optional*, defaults to 2048): Dimensionality of the "intermediate" (often named feed-forward) layer in decoder. decoder_attention_heads (`int`, *optional*, defaults to 4):
3,299
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/configuration_speech_to_text.py
Number of attention heads for each attention layer in the Transformer decoder. encoder_layerdrop (`float`, *optional*, defaults to 0.0): The LayerDrop probability for the encoder. See the [LayerDrop paper](https://arxiv.org/abs/1909.11556) for more details. decoder_layerdrop (`float`, *optional*, defaults to 0.0): The LayerDrop probability for the decoder. See the [LayerDrop paper](https://arxiv.org/abs/1909.11556) for more details. use_cache (`bool`, *optional*, defaults to `True`): Whether the model should return the last key/values attentions (not used by all models). is_encoder_decoder (`bool`, *optional*, defaults to `True`): Whether the model is set up as an encoder-decoder architecture for sequence-to-sequence tasks. activation_function (`str` or `function`, *optional*, defaults to `"relu"`):
3,299
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/configuration_speech_to_text.py
The non-linear activation function (function or string) in the encoder and pooler. If string, `"gelu"`, `"relu"`, `"silu"` and `"gelu_new"` are supported. d_model (`int`, *optional*, defaults to 256): Dimensionality of the layers and the pooler layer. dropout (`float`, *optional*, defaults to 0.1): The dropout probability for all fully connected layers in the embeddings, encoder, and pooler. attention_dropout (`float`, *optional*, defaults to 0.0): The dropout ratio for the attention probabilities. activation_dropout (`float`, *optional*, defaults to 0.0): The dropout ratio for activations inside the fully connected layer. init_std (`float`, *optional*, defaults to 0.02): The standard deviation of the truncated_normal_initializer for initializing all weight matrices. decoder_start_token_id (`int`, *optional*, defaults to 2):
3,299
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/configuration_speech_to_text.py
The initial token ID of the decoder when decoding sequences. scale_embedding (`bool`, *optional*, defaults to `True`): Whether the embeddings are scaled by the square root of `d_model`. pad_token_id (`int`, *optional*, defaults to 1): Padding token id. bos_token_id (`int`, *optional*, defaults to 0): The id of the beginning-of-sequence token. eos_token_id (`int`, *optional*, defaults to 2): The id of the end-of-sequence token. max_source_positions (`int`, *optional*, defaults to 6000): The maximum sequence length of log-mel filter-bank features that this model might ever be used with. max_target_positions (`int`, *optional*, defaults to 1024): The maximum sequence length that this model might ever be used with. Typically, set this to something large just in case (e.g., 512 or 1024 or 2048). num_conv_layers (`int`, *optional*, defaults to 2):
3,299
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/configuration_speech_to_text.py
Number of 1D convolutional layers in the conv module. conv_kernel_sizes (`Tuple[int]`, *optional*, defaults to `(5, 5)`): A tuple of integers defining the kernel size of each 1D convolutional layer in the conv module. The length of `conv_kernel_sizes` has to match `num_conv_layers`. conv_channels (`int`, *optional*, defaults to 1024): An integer defining the number of output channels of each convolution layers except the final one in the conv module. input_feat_per_channel (`int`, *optional*, defaults to 80): An integer specifying the size of feature vector. This is also the dimensions of log-mel filter-bank features. input_channels (`int`, *optional*, defaults to 1): An integer specifying number of input channels of the input feature vector.
3,299
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/configuration_speech_to_text.py
Example: ```python >>> from transformers import Speech2TextConfig, Speech2TextModel >>> # Initializing a Speech2Text s2t_transformer_s style configuration >>> configuration = Speech2TextConfig() >>> # Initializing a model (with random weights) from the s2t_transformer_s style configuration >>> model = Speech2TextModel(configuration) >>> # Accessing the model configuration >>> configuration = model.config ```""" model_type = "speech_to_text" keys_to_ignore_at_inference = ["past_key_values"] attribute_map = {"num_attention_heads": "encoder_attention_heads", "hidden_size": "d_model"}
3,299
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/configuration_speech_to_text.py
def __init__( self, vocab_size=10000, encoder_layers=12, encoder_ffn_dim=2048, encoder_attention_heads=4, decoder_layers=6, decoder_ffn_dim=2048, decoder_attention_heads=4, encoder_layerdrop=0.0, decoder_layerdrop=0.0, use_cache=True, is_encoder_decoder=True, activation_function="relu", d_model=256, dropout=0.1, attention_dropout=0.0, activation_dropout=0.0, init_std=0.02, decoder_start_token_id=2, scale_embedding=True, pad_token_id=1, bos_token_id=0, eos_token_id=2, max_source_positions=6000, max_target_positions=1024, num_conv_layers=2, conv_kernel_sizes=(5, 5), conv_channels=1024, input_feat_per_channel=80, input_channels=1, **kwargs, ): self.vocab_size = vocab_size self.d_model = d_model self.encoder_ffn_dim = encoder_ffn_dim
3,299
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/configuration_speech_to_text.py
self.encoder_layers = encoder_layers self.encoder_attention_heads = encoder_attention_heads self.decoder_ffn_dim = decoder_ffn_dim self.decoder_layers = decoder_layers self.decoder_attention_heads = decoder_attention_heads self.dropout = dropout self.attention_dropout = attention_dropout self.activation_dropout = activation_dropout self.activation_function = activation_function self.init_std = init_std self.encoder_layerdrop = encoder_layerdrop self.decoder_layerdrop = decoder_layerdrop self.use_cache = use_cache self.num_hidden_layers = encoder_layers self.scale_embedding = scale_embedding # scale factor will be sqrt(d_model) if True self.max_source_positions = max_source_positions self.max_target_positions = max_target_positions self.num_conv_layers = num_conv_layers self.conv_kernel_sizes = list(conv_kernel_sizes)
3,299
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/configuration_speech_to_text.py
self.conv_channels = conv_channels self.input_feat_per_channel = input_feat_per_channel self.input_channels = input_channels
3,299
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/configuration_speech_to_text.py
if len(self.conv_kernel_sizes) != self.num_conv_layers: raise ValueError( "Configuration for convolutional module is incorrect. " "It is required that `len(config.conv_kernel_sizes)` == `config.num_conv_layers` " f"but is `len(config.conv_kernel_sizes) = {len(self.conv_kernel_sizes)}`, " f"`config.num_conv_layers = {self.num_conv_layers}`." ) super().__init__( pad_token_id=pad_token_id, bos_token_id=bos_token_id, eos_token_id=eos_token_id, is_encoder_decoder=is_encoder_decoder, decoder_start_token_id=decoder_start_token_id, **kwargs, )
3,299
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/configuration_speech_to_text.py
class Speech2TextProcessor(ProcessorMixin): r""" Constructs a Speech2Text processor which wraps a Speech2Text feature extractor and a Speech2Text tokenizer into a single processor. [`Speech2TextProcessor`] offers all the functionalities of [`Speech2TextFeatureExtractor`] and [`Speech2TextTokenizer`]. See the [`~Speech2TextProcessor.__call__`] and [`~Speech2TextProcessor.decode`] for more information. Args: feature_extractor (`Speech2TextFeatureExtractor`): An instance of [`Speech2TextFeatureExtractor`]. The feature extractor is a required input. tokenizer (`Speech2TextTokenizer`): An instance of [`Speech2TextTokenizer`]. The tokenizer is a required input. """ feature_extractor_class = "Speech2TextFeatureExtractor" tokenizer_class = "Speech2TextTokenizer"
3,300
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/processing_speech_to_text.py
def __init__(self, feature_extractor, tokenizer): super().__init__(feature_extractor, tokenizer) self.current_processor = self.feature_extractor self._in_target_context_manager = False def __call__(self, *args, **kwargs): """ When used in normal mode, this method forwards all its arguments to Speech2TextFeatureExtractor's [`~Speech2TextFeatureExtractor.__call__`] and returns its output. If used in the context [`~Speech2TextProcessor.as_target_processor`] this method forwards all its arguments to Speech2TextTokenizer's [`~Speech2TextTokenizer.__call__`]. Please refer to the doctsring of the above two methods for more information. """ # For backward compatibility if self._in_target_context_manager: return self.current_processor(*args, **kwargs)
3,300
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/processing_speech_to_text.py
if "raw_speech" in kwargs: warnings.warn("Using `raw_speech` as a keyword argument is deprecated. Use `audio` instead.") audio = kwargs.pop("raw_speech") else: audio = kwargs.pop("audio", None) sampling_rate = kwargs.pop("sampling_rate", None) text = kwargs.pop("text", None) if len(args) > 0: audio = args[0] args = args[1:] if audio is None and text is None: raise ValueError("You need to specify either an `audio` or `text` input to process.") if audio is not None: inputs = self.feature_extractor(audio, *args, sampling_rate=sampling_rate, **kwargs) if text is not None: encodings = self.tokenizer(text, **kwargs) if text is None: return inputs elif audio is None: return encodings else: inputs["labels"] = encodings["input_ids"] return inputs
3,300
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/processing_speech_to_text.py
def batch_decode(self, *args, **kwargs): """ This method forwards all its arguments to Speech2TextTokenizer's [`~PreTrainedTokenizer.batch_decode`]. Please refer to the docstring of this method for more information. """ return self.tokenizer.batch_decode(*args, **kwargs) def decode(self, *args, **kwargs): """ This method forwards all its arguments to Speech2TextTokenizer's [`~PreTrainedTokenizer.decode`]. Please refer to the docstring of this method for more information. """ return self.tokenizer.decode(*args, **kwargs)
3,300
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/processing_speech_to_text.py
@contextmanager def as_target_processor(self): """ Temporarily sets the tokenizer for processing the input. Useful for encoding the labels when fine-tuning Speech2Text. """ warnings.warn( "`as_target_processor` is deprecated and will be removed in v5 of Transformers. You can process your " "labels by using the argument `text` of the regular `__call__` method (either in the same call as " "your audio inputs, or in a separate call." ) self._in_target_context_manager = True self.current_processor = self.tokenizer yield self.current_processor = self.feature_extractor self._in_target_context_manager = False
3,300
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/speech_to_text/processing_speech_to_text.py
class GemmaConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`GemmaModel`]. It is used to instantiate an Gemma model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a similar configuration to that of the Gemma-7B. e.g. [google/gemma-7b](https://huggingface.co/google/gemma-7b) Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the documentation from [`PretrainedConfig`] for more information. Args: vocab_size (`int`, *optional*, defaults to 256000): Vocabulary size of the Gemma model. Defines the number of different tokens that can be represented by the `inputs_ids` passed when calling [`GemmaModel`] hidden_size (`int`, *optional*, defaults to 3072): Dimension of the hidden representations.
3,301
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
intermediate_size (`int`, *optional*, defaults to 24576): Dimension of the MLP representations. num_hidden_layers (`int`, *optional*, defaults to 28): Number of hidden layers in the Transformer decoder. num_attention_heads (`int`, *optional*, defaults to 16): Number of attention heads for each attention layer in the Transformer decoder. num_key_value_heads (`int`, *optional*, defaults to 16): This is the number of key_value heads that should be used to implement Grouped Query Attention. If `num_key_value_heads=num_attention_heads`, the model will use Multi Head Attention (MHA), if `num_key_value_heads=1` the model will use Multi Query Attention (MQA) otherwise GQA is used. When converting a multi-head checkpoint to a GQA checkpoint, each group key and value head should be constructed by meanpooling all the original heads within that group. For more details checkout [this
3,301
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
paper](https://arxiv.org/pdf/2305.13245.pdf). If it is not specified, will default to `num_attention_heads`. head_dim (`int`, *optional*, defaults to 256): The attention head dimension. hidden_act (`str` or `function`, *optional*, defaults to `"gelu_pytorch_tanh"`): The legacy activation function. It is overwritten by the `hidden_activation`. hidden_activation (`str` or `function`, *optional*): The non-linear activation function (function or string) in the decoder. Will default to `"gelu_pytorch_tanh"` if not specified. `"gelu_pytorch_tanh"` uses an approximation of the `"gelu"` activation function. max_position_embeddings (`int`, *optional*, defaults to 8192): The maximum sequence length that this model might ever be used with. initializer_range (`float`, *optional*, defaults to 0.02):
3,301
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
The standard deviation of the truncated_normal_initializer for initializing all weight matrices. rms_norm_eps (`float`, *optional*, defaults to 1e-06): The epsilon used by the rms normalization layers. use_cache (`bool`, *optional*, defaults to `True`): Whether or not the model should return the last key/values attentions (not used by all models). Only relevant if `config.is_decoder=True`. pad_token_id (`int`, *optional*, defaults to 0): Padding token id. eos_token_id (`int`, *optional*, defaults to 1): End of stream token id. bos_token_id (`int`, *optional*, defaults to 2): Beginning of stream token id. tie_word_embeddings (`bool`, *optional*, defaults to `True`): Whether to tie weight embeddings rope_theta (`float`, *optional*, defaults to 10000.0): The base period of the RoPE embeddings.
3,301
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
attention_bias (`bool`, defaults to `False`, *optional*, defaults to `False`): Whether to use a bias in the query, key, value and output projection layers during self-attention. attention_dropout (`float`, *optional*, defaults to 0.0): The dropout ratio for the attention probabilities. ```python >>> from transformers import GemmaModel, GemmaConfig >>> # Initializing a Gemma gemma-7b style configuration >>> configuration = GemmaConfig() >>> # Initializing a model from the gemma-7b style configuration >>> model = GemmaModel(configuration) >>> # Accessing the model configuration >>> configuration = model.config ```"""
3,301
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
model_type = "gemma" keys_to_ignore_at_inference = ["past_key_values"]
3,301
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
def __init__( self, vocab_size=256000, hidden_size=3072, intermediate_size=24576, num_hidden_layers=28, num_attention_heads=16, num_key_value_heads=16, head_dim=256, hidden_act="gelu_pytorch_tanh", hidden_activation=None, max_position_embeddings=8192, initializer_range=0.02, rms_norm_eps=1e-6, use_cache=True, pad_token_id=0, eos_token_id=1, bos_token_id=2, tie_word_embeddings=True, rope_theta=10000.0, attention_bias=False, attention_dropout=0.0, **kwargs, ): self.vocab_size = vocab_size self.max_position_embeddings = max_position_embeddings self.hidden_size = hidden_size self.intermediate_size = intermediate_size self.num_hidden_layers = num_hidden_layers self.num_attention_heads = num_attention_heads self.head_dim = head_dim
3,301
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
self.num_key_value_heads = num_key_value_heads self.hidden_act = hidden_act self.hidden_activation = hidden_activation self.initializer_range = initializer_range self.rms_norm_eps = rms_norm_eps self.use_cache = use_cache self.rope_theta = rope_theta self.attention_bias = attention_bias self.attention_dropout = attention_dropout
3,301
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
super().__init__( pad_token_id=pad_token_id, bos_token_id=bos_token_id, eos_token_id=eos_token_id, tie_word_embeddings=tie_word_embeddings, **kwargs, )
3,301
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
class GemmaTokenizer(LlamaTokenizer, PreTrainedTokenizer): """ Construct a Gemma tokenizer. Based on byte-level Byte-Pair-Encoding. The default padding token is unset as there is no padding token in the original model.
3,302
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
Args: vocab_file (`str`): Path to the vocabulary file. unk_token (`str` or `tokenizers.AddedToken`, *optional*, defaults to `"<unk>"`): The unknown token. A token that is not in the vocabulary cannot be converted to an ID and is set to be this token instead. bos_token (`str` or `tokenizers.AddedToken`, *optional*, defaults to `"<bos>"`): The beginning of sequence token that was used during pretraining. Can be used a sequence classifier token. eos_token (`str` or `tokenizers.AddedToken`, *optional*, defaults to `"<eos>"`): The end of sequence token. pad_token (`str` or `tokenizers.AddedToken`, *optional*, defaults to `"<pad>"`): A special token used to make arrays of tokens the same size for batching purpose. Will then be ignored by attention mechanisms or loss computation. sp_model_kwargs (`Dict[str, Any]`, `Optional`, *optional*):
3,302
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
Will be passed to the `SentencePieceProcessor.__init__()` method. The [Python wrapper for SentencePiece](https://github.com/google/sentencepiece/tree/master/python) can be used, among other things, to set:
3,302
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
- `enable_sampling`: Enable subword regularization. - `nbest_size`: Sampling parameters for unigram. Invalid for BPE-Dropout. - `nbest_size = {0,1}`: No sampling is performed. - `nbest_size > 1`: samples from the nbest_size results. - `nbest_size < 0`: assuming that nbest_size is infinite and samples from the all hypothesis (lattice) using forward-filtering-and-backward-sampling algorithm. - `alpha`: Smoothing parameter for unigram sampling, and dropout probability of merge operations for BPE-dropout.
3,302
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
add_bos_token (`bool`, *optional*, defaults to `True`): Whether or not to add an `bos_token` at the start of sequences. add_eos_token (`bool`, *optional*, defaults to `False`): Whether or not to add an `eos_token` at the end of sequences. clean_up_tokenization_spaces (`bool`, *optional*, defaults to `False`): Whether or not to cleanup spaces after decoding, cleanup consists in removing potential artifacts like extra spaces. use_default_system_prompt (`bool`, *optional*, defaults to `False`): Whether or not the default system prompt for Gemma should be used. spaces_between_special_tokens (`bool`, *optional*, defaults to `False`): Whether or not to add spaces between special tokens. """
3,302
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
def __init__( self, vocab_file, unk_token="<unk>", bos_token="<bos>", eos_token="<eos>", pad_token="<pad>", sp_model_kwargs: Optional[Dict[str, Any]] = None, add_bos_token=True, add_eos_token=False, clean_up_tokenization_spaces=False, use_default_system_prompt=False, spaces_between_special_tokens=False, **kwargs, ): self.sp_model_kwargs = {} if sp_model_kwargs is None else sp_model_kwargs bos_token = AddedToken(bos_token, normalized=False, special=True) if isinstance(bos_token, str) else bos_token eos_token = AddedToken(eos_token, normalized=False, special=True) if isinstance(eos_token, str) else eos_token unk_token = AddedToken(unk_token, normalized=False, special=True) if isinstance(unk_token, str) else unk_token pad_token = AddedToken(pad_token, normalized=False, special=True) if isinstance(pad_token, str) else pad_token
3,302
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
self.vocab_file = vocab_file self.add_bos_token = add_bos_token self.add_eos_token = add_eos_token self.use_default_system_prompt = use_default_system_prompt self.sp_model = spm.SentencePieceProcessor(**self.sp_model_kwargs) self.sp_model.Load(vocab_file) PreTrainedTokenizer.__init__( self, bos_token=bos_token, eos_token=eos_token, unk_token=unk_token, pad_token=pad_token, add_bos_token=add_bos_token, add_eos_token=add_eos_token, sp_model_kwargs=sp_model_kwargs, clean_up_tokenization_spaces=clean_up_tokenization_spaces, use_default_system_prompt=use_default_system_prompt, spaces_between_special_tokens=spaces_between_special_tokens, **kwargs, ) def get_spm_processor(self): raise AttributeError("Not needed for Gemma")
3,302
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
def unk_token_length(self): raise AttributeError("Not needed for Gemma") def tokenize(self, text: "TextInput", **kwargs) -> List[str]: """ Args: text: TextInput Simply calls PreTrainedTokenizer's method """ return PreTrainedTokenizer.tokenize(self, text, **kwargs) def _tokenize(self, text, **kwargs): """ Args: text: TextInput Returns a tokenized string. The Gemma tokenizer never adds a prefix space. """ return self.sp_model.encode(text, out_type=str)
3,302
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
def _decode( self, token_ids: List[int], skip_special_tokens: bool = False, spaces_between_special_tokens: bool = False, **kwargs, ) -> str: sub_texts = [] current_sub_text = [] for ids in token_ids: if skip_special_tokens and ids in self.all_special_ids: continue if ids in self._added_tokens_decoder: if current_sub_text: sub_texts.append(self.sp_model.decode(current_sub_text)) sub_texts.append(self._added_tokens_decoder[ids].content) current_sub_text = [] else: current_sub_text.append(ids) if current_sub_text: sub_texts.append(self.sp_model.decode(current_sub_text)) if spaces_between_special_tokens: sub_texts = " ".join(sub_texts) else: sub_texts = "".join(sub_texts) return sub_texts.replace(SPIECE_UNDERLINE, " ")
3,302
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
def convert_tokens_to_string(self, tokens): """Converts a sequence of tokens (string) in a single string.""" current_sub_tokens = [] out_string = "" for token in tokens: # make sure that special tokens are not decoded using sentencepiece model if token in self._added_tokens_encoder: out_string += self.sp_model.decode(current_sub_tokens) + token current_sub_tokens = [] else: current_sub_tokens.append(token) out_string += self.sp_model.decode(current_sub_tokens) return out_string
3,302
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
class GemmaRMSNorm(nn.Module): def __init__(self, dim: int, eps: float = 1e-6): super().__init__() self.eps = eps self.weight = nn.Parameter(torch.zeros(dim)) def _norm(self, x): return x * torch.rsqrt(x.pow(2).mean(-1, keepdim=True) + self.eps) def forward(self, x): output = self._norm(x.float()) # Llama does x.to(float16) * w whilst Gemma is (x * w).to(float16) # See https://github.com/huggingface/transformers/pull/29402 output = output * (1.0 + self.weight.float()) return output.type_as(x) def extra_repr(self): return f"{tuple(self.weight.shape)}, eps={self.eps}"
3,303
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
class GemmaMLP(LlamaMLP): def __init__(self, config): super().__init__() self.gate_proj = nn.Linear(self.hidden_size, self.intermediate_size, bias=False) self.up_proj = nn.Linear(self.hidden_size, self.intermediate_size, bias=False) self.down_proj = nn.Linear(self.intermediate_size, self.hidden_size, bias=False)
3,304
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
class GemmaModel(LlamaModel): def forward( self, input_ids: torch.LongTensor = None, attention_mask: Optional[torch.Tensor] = None, position_ids: Optional[torch.LongTensor] = None, past_key_values: Optional[Union[Cache, List[torch.FloatTensor]]] = None, inputs_embeds: Optional[torch.FloatTensor] = None, use_cache: Optional[bool] = None, output_attentions: Optional[bool] = None, output_hidden_states: Optional[bool] = None, return_dict: Optional[bool] = None, cache_position: Optional[torch.LongTensor] = None, ) -> Union[Tuple, BaseModelOutputWithPast]: output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions output_hidden_states = ( output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states ) use_cache = use_cache if use_cache is not None else self.config.use_cache
3,305
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
3,305
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
if (input_ids is None) ^ (inputs_embeds is not None): raise ValueError("You must specify exactly one of input_ids or inputs_embeds") if self.gradient_checkpointing and self.training and use_cache: logger.warning_once( "`use_cache=True` is incompatible with gradient checkpointing. Setting `use_cache=False`." ) use_cache = False if inputs_embeds is None: inputs_embeds = self.embed_tokens(input_ids) if use_cache and past_key_values is None: past_key_values = DynamicCache() if cache_position is None: past_seen_tokens = past_key_values.get_seq_length() if past_key_values is not None else 0 cache_position = torch.arange( past_seen_tokens, past_seen_tokens + inputs_embeds.shape[1], device=inputs_embeds.device ) if position_ids is None: position_ids = cache_position.unsqueeze(0)
3,305
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
causal_mask = self._update_causal_mask( attention_mask, inputs_embeds, cache_position, past_key_values, output_attentions ) # embed positions hidden_states = inputs_embeds # create position embeddings to be shared across the decoder layers position_embeddings = self.rotary_emb(hidden_states, position_ids) # normalized # Gemma downcasts the below to float16, causing sqrt(3072)=55.4256 to become 55.5 # See https://github.com/huggingface/transformers/pull/29402 normalizer = torch.tensor(self.config.hidden_size**0.5, dtype=hidden_states.dtype) hidden_states = hidden_states * normalizer # decoder layers all_hidden_states = () if output_hidden_states else None all_self_attns = () if output_attentions else None for decoder_layer in self.layers[: self.config.num_hidden_layers]: if output_hidden_states: all_hidden_states += (hidden_states,)
3,305
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
if self.gradient_checkpointing and self.training: layer_outputs = self._gradient_checkpointing_func( decoder_layer.__call__, hidden_states, causal_mask, position_ids, past_key_values, output_attentions, use_cache, cache_position, position_embeddings, ) else: layer_outputs = decoder_layer( hidden_states, attention_mask=causal_mask, position_ids=position_ids, past_key_value=past_key_values, output_attentions=output_attentions, use_cache=use_cache, cache_position=cache_position, position_embeddings=position_embeddings, ) hidden_states = layer_outputs[0]
3,305
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
if output_attentions: all_self_attns += (layer_outputs[1],) hidden_states = self.norm(hidden_states) # add hidden states from the last decoder layer if output_hidden_states: all_hidden_states += (hidden_states,) output = BaseModelOutputWithPast( last_hidden_state=hidden_states, past_key_values=past_key_values if use_cache else None, hidden_states=all_hidden_states, attentions=all_self_attns, ) return output if return_dict else output.to_tuple()
3,305
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
class GemmaForCausalLM(LlamaForCausalLM): def forward(**super_kwargs): r""" Args: labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*): Labels for computing the masked language modeling loss. Indices should either be in `[0, ..., config.vocab_size]` or -100 (see `input_ids` docstring). Tokens with indices set to `-100` are ignored (masked), the loss is only computed for the tokens with labels in `[0, ..., config.vocab_size]`. num_logits_to_keep (`int`, *optional*): Calculate logits for the last `num_logits_to_keep` tokens. If `0`, calculate logits for all `input_ids` (special case). Only last token logits are needed for generation, and calculating them only for that token can save memory, which becomes pretty significant for long sequences or large vocabulary size. Returns: Example:
3,306
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
```python >>> from transformers import AutoTokenizer, GemmaForCausalLM >>> model = GemmaForCausalLM.from_pretrained("google/gemma-7b") >>> tokenizer = AutoTokenizer.from_pretrained("google/gemma-7b") >>> prompt = "What is your favorite condiment?" >>> inputs = tokenizer(prompt, return_tensors="pt") >>> # Generate >>> generate_ids = model.generate(inputs.input_ids, max_length=30) >>> tokenizer.batch_decode(generate_ids, skip_special_tokens=True, clean_up_tokenization_spaces=False)[0] "What is your favorite condiment?" ```""" return super().forward(**super_kwargs)
3,306
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
class GemmaForSequenceClassification(LlamaForSequenceClassification): pass
3,307
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
class GemmaForTokenClassification(LlamaForTokenClassification): pass
3,308
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modular_gemma.py
class GemmaTokenizer(PreTrainedTokenizer): """ Construct a Gemma tokenizer. Based on byte-level Byte-Pair-Encoding. The default padding token is unset as there is no padding token in the original model.
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
Args: vocab_file (`str`): Path to the vocabulary file. unk_token (`str` or `tokenizers.AddedToken`, *optional*, defaults to `"<unk>"`): The unknown token. A token that is not in the vocabulary cannot be converted to an ID and is set to be this token instead. bos_token (`str` or `tokenizers.AddedToken`, *optional*, defaults to `"<bos>"`): The beginning of sequence token that was used during pretraining. Can be used a sequence classifier token. eos_token (`str` or `tokenizers.AddedToken`, *optional*, defaults to `"<eos>"`): The end of sequence token. pad_token (`str` or `tokenizers.AddedToken`, *optional*, defaults to `"<pad>"`): A special token used to make arrays of tokens the same size for batching purpose. Will then be ignored by attention mechanisms or loss computation. sp_model_kwargs (`Dict[str, Any]`, `Optional`, *optional*):
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
Will be passed to the `SentencePieceProcessor.__init__()` method. The [Python wrapper for SentencePiece](https://github.com/google/sentencepiece/tree/master/python) can be used, among other things, to set:
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
- `enable_sampling`: Enable subword regularization. - `nbest_size`: Sampling parameters for unigram. Invalid for BPE-Dropout. - `nbest_size = {0,1}`: No sampling is performed. - `nbest_size > 1`: samples from the nbest_size results. - `nbest_size < 0`: assuming that nbest_size is infinite and samples from the all hypothesis (lattice) using forward-filtering-and-backward-sampling algorithm. - `alpha`: Smoothing parameter for unigram sampling, and dropout probability of merge operations for BPE-dropout.
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
add_bos_token (`bool`, *optional*, defaults to `True`): Whether or not to add an `bos_token` at the start of sequences. add_eos_token (`bool`, *optional*, defaults to `False`): Whether or not to add an `eos_token` at the end of sequences. clean_up_tokenization_spaces (`bool`, *optional*, defaults to `False`): Whether or not to cleanup spaces after decoding, cleanup consists in removing potential artifacts like extra spaces. use_default_system_prompt (`bool`, *optional*, defaults to `False`): Whether or not the default system prompt for Gemma should be used. spaces_between_special_tokens (`bool`, *optional*, defaults to `False`): Whether or not to add spaces between special tokens. """ vocab_files_names = VOCAB_FILES_NAMES model_input_names = ["input_ids", "attention_mask"]
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
def __init__( self, vocab_file, unk_token="<unk>", bos_token="<bos>", eos_token="<eos>", pad_token="<pad>", sp_model_kwargs: Optional[Dict[str, Any]] = None, add_bos_token=True, add_eos_token=False, clean_up_tokenization_spaces=False, use_default_system_prompt=False, spaces_between_special_tokens=False, **kwargs, ): self.sp_model_kwargs = {} if sp_model_kwargs is None else sp_model_kwargs bos_token = AddedToken(bos_token, normalized=False, special=True) if isinstance(bos_token, str) else bos_token eos_token = AddedToken(eos_token, normalized=False, special=True) if isinstance(eos_token, str) else eos_token unk_token = AddedToken(unk_token, normalized=False, special=True) if isinstance(unk_token, str) else unk_token pad_token = AddedToken(pad_token, normalized=False, special=True) if isinstance(pad_token, str) else pad_token
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
self.vocab_file = vocab_file self.add_bos_token = add_bos_token self.add_eos_token = add_eos_token self.use_default_system_prompt = use_default_system_prompt self.sp_model = spm.SentencePieceProcessor(**self.sp_model_kwargs) self.sp_model.Load(vocab_file) super().__init__( bos_token=bos_token, eos_token=eos_token, unk_token=unk_token, pad_token=pad_token, add_bos_token=add_bos_token, add_eos_token=add_eos_token, sp_model_kwargs=sp_model_kwargs, clean_up_tokenization_spaces=clean_up_tokenization_spaces, use_default_system_prompt=use_default_system_prompt, spaces_between_special_tokens=spaces_between_special_tokens, **kwargs, )
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
def __getstate__(self): state = self.__dict__.copy() state["sp_model"] = None state["sp_model_proto"] = self.sp_model.serialized_model_proto() return state def __setstate__(self, d): self.__dict__.update(d) self.sp_model = spm.SentencePieceProcessor(**self.sp_model_kwargs) self.sp_model.LoadFromSerializedProto(self.sp_model_proto) @property def vocab_size(self): """Returns vocab size""" return self.sp_model.get_piece_size() def get_vocab(self): """Returns vocab as a dict""" vocab = {self.convert_ids_to_tokens(i): i for i in range(self.vocab_size)} vocab.update(self.added_tokens_encoder) return vocab def tokenize(self, text: "TextInput", **kwargs) -> List[str]: """ Args: text: TextInput Simply calls PreTrainedTokenizer's method """ return super().tokenize(text, **kwargs)
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
def _tokenize(self, text, **kwargs): """ Args: text: TextInput Returns a tokenized string. The Gemma tokenizer never adds a prefix space. """ return self.sp_model.encode(text, out_type=str) def _convert_token_to_id(self, token): """Converts a token (str) in an id using the vocab.""" return self.sp_model.piece_to_id(token) def _convert_id_to_token(self, index): """Converts an index (integer) in a token (str) using the vocab.""" token = self.sp_model.IdToPiece(index) return token
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
def convert_tokens_to_string(self, tokens): """Converts a sequence of tokens (string) in a single string.""" current_sub_tokens = [] out_string = "" for token in tokens: # make sure that special tokens are not decoded using sentencepiece model if token in self._added_tokens_encoder: out_string += self.sp_model.decode(current_sub_tokens) + token current_sub_tokens = [] else: current_sub_tokens.append(token) out_string += self.sp_model.decode(current_sub_tokens) return out_string def save_vocabulary(self, save_directory, filename_prefix: Optional[str] = None) -> Tuple[str]: """ Save the vocabulary and special tokens file to a directory. Args: save_directory (`str`): The directory in which to save the vocabulary.
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
Returns: `Tuple(str)`: Paths to the files saved. """ if not os.path.isdir(save_directory): logger.error(f"Vocabulary path ({save_directory}) should be a directory") return out_vocab_file = os.path.join( save_directory, (filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["vocab_file"] ) if os.path.abspath(self.vocab_file) != os.path.abspath(out_vocab_file) and os.path.isfile(self.vocab_file): copyfile(self.vocab_file, out_vocab_file) elif not os.path.isfile(self.vocab_file): with open(out_vocab_file, "wb") as fi: content_spiece_model = self.sp_model.serialized_model_proto() fi.write(content_spiece_model) return (out_vocab_file,)
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
def build_inputs_with_special_tokens(self, token_ids_0, token_ids_1=None): bos_token_id = [self.bos_token_id] if self.add_bos_token else [] eos_token_id = [self.eos_token_id] if self.add_eos_token else [] output = bos_token_id + token_ids_0 + eos_token_id if token_ids_1 is not None: output = output + bos_token_id + token_ids_1 + eos_token_id return output def get_special_tokens_mask( self, token_ids_0: List[int], token_ids_1: Optional[List[int]] = None, already_has_special_tokens: bool = False ) -> List[int]: """ Retrieve sequence ids from a token list that has no special tokens added. This method is called when adding special tokens using the tokenizer `prepare_for_model` method.
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
Args: token_ids_0 (`List[int]`): List of IDs. token_ids_1 (`List[int]`, *optional*): Optional second list of IDs for sequence pairs. already_has_special_tokens (`bool`, *optional*, defaults to `False`): Whether or not the token list is already formatted with special tokens for the model. Returns: `List[int]`: A list of integers in the range [0, 1]: 1 for a special token, 0 for a sequence token. """ if already_has_special_tokens: return super().get_special_tokens_mask( token_ids_0=token_ids_0, token_ids_1=token_ids_1, already_has_special_tokens=True ) bos_token_id = [1] if self.add_bos_token else [] eos_token_id = [1] if self.add_eos_token else []
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
if token_ids_1 is None: return bos_token_id + ([0] * len(token_ids_0)) + eos_token_id return ( bos_token_id + ([0] * len(token_ids_0)) + eos_token_id + bos_token_id + ([0] * len(token_ids_1)) + eos_token_id ) def create_token_type_ids_from_sequences( self, token_ids_0: List[int], token_ids_1: Optional[List[int]] = None ) -> List[int]: """ Creates a mask from the two sequences passed to be used in a sequence-pair classification task. An ALBERT sequence pair mask has the following format: ``` 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 | first sequence | second sequence | ``` if token_ids_1 is None, only returns the first portion of the mask (0s).
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
Args: token_ids_0 (`List[int]`): List of ids. token_ids_1 (`List[int]`, *optional*): Optional second list of IDs for sequence pairs. Returns: `List[int]`: List of [token type IDs](../glossary#token-type-ids) according to the given sequence(s). """ bos_token_id = [self.bos_token_id] if self.add_bos_token else [] eos_token_id = [self.eos_token_id] if self.add_eos_token else [] output = [0] * len(bos_token_id + token_ids_0 + eos_token_id) if token_ids_1 is not None: output += [1] * len(bos_token_id + token_ids_1 + eos_token_id) return output
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
def _decode( self, token_ids: List[int], skip_special_tokens: bool = False, spaces_between_special_tokens: bool = False, **kwargs, ) -> str: sub_texts = [] current_sub_text = [] for ids in token_ids: if skip_special_tokens and ids in self.all_special_ids: continue if ids in self._added_tokens_decoder: if current_sub_text: sub_texts.append(self.sp_model.decode(current_sub_text)) sub_texts.append(self._added_tokens_decoder[ids].content) current_sub_text = [] else: current_sub_text.append(ids) if current_sub_text: sub_texts.append(self.sp_model.decode(current_sub_text)) if spaces_between_special_tokens: sub_texts = " ".join(sub_texts) else: sub_texts = "".join(sub_texts) return sub_texts.replace(SPIECE_UNDERLINE, " ")
3,309
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma.py
class GemmaConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`GemmaModel`]. It is used to instantiate an Gemma model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a similar configuration to that of the Gemma-7B. e.g. [google/gemma-7b](https://huggingface.co/google/gemma-7b) Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the documentation from [`PretrainedConfig`] for more information. Args: vocab_size (`int`, *optional*, defaults to 256000): Vocabulary size of the Gemma model. Defines the number of different tokens that can be represented by the `inputs_ids` passed when calling [`GemmaModel`] hidden_size (`int`, *optional*, defaults to 3072): Dimension of the hidden representations.
3,310
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/configuration_gemma.py
intermediate_size (`int`, *optional*, defaults to 24576): Dimension of the MLP representations. num_hidden_layers (`int`, *optional*, defaults to 28): Number of hidden layers in the Transformer decoder. num_attention_heads (`int`, *optional*, defaults to 16): Number of attention heads for each attention layer in the Transformer decoder. num_key_value_heads (`int`, *optional*, defaults to 16): This is the number of key_value heads that should be used to implement Grouped Query Attention. If `num_key_value_heads=num_attention_heads`, the model will use Multi Head Attention (MHA), if `num_key_value_heads=1` the model will use Multi Query Attention (MQA) otherwise GQA is used. When converting a multi-head checkpoint to a GQA checkpoint, each group key and value head should be constructed by meanpooling all the original heads within that group. For more details checkout [this
3,310
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/configuration_gemma.py
paper](https://arxiv.org/pdf/2305.13245.pdf). If it is not specified, will default to `num_attention_heads`. head_dim (`int`, *optional*, defaults to 256): The attention head dimension. hidden_act (`str` or `function`, *optional*, defaults to `"gelu_pytorch_tanh"`): The legacy activation function. It is overwritten by the `hidden_activation`. hidden_activation (`str` or `function`, *optional*): The non-linear activation function (function or string) in the decoder. Will default to `"gelu_pytorch_tanh"` if not specified. `"gelu_pytorch_tanh"` uses an approximation of the `"gelu"` activation function. max_position_embeddings (`int`, *optional*, defaults to 8192): The maximum sequence length that this model might ever be used with. initializer_range (`float`, *optional*, defaults to 0.02):
3,310
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/configuration_gemma.py
The standard deviation of the truncated_normal_initializer for initializing all weight matrices. rms_norm_eps (`float`, *optional*, defaults to 1e-06): The epsilon used by the rms normalization layers. use_cache (`bool`, *optional*, defaults to `True`): Whether or not the model should return the last key/values attentions (not used by all models). Only relevant if `config.is_decoder=True`. pad_token_id (`int`, *optional*, defaults to 0): Padding token id. eos_token_id (`int`, *optional*, defaults to 1): End of stream token id. bos_token_id (`int`, *optional*, defaults to 2): Beginning of stream token id. tie_word_embeddings (`bool`, *optional*, defaults to `True`): Whether to tie weight embeddings rope_theta (`float`, *optional*, defaults to 10000.0): The base period of the RoPE embeddings.
3,310
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/configuration_gemma.py
attention_bias (`bool`, defaults to `False`, *optional*, defaults to `False`): Whether to use a bias in the query, key, value and output projection layers during self-attention. attention_dropout (`float`, *optional*, defaults to 0.0): The dropout ratio for the attention probabilities. ```python >>> from transformers import GemmaModel, GemmaConfig >>> # Initializing a Gemma gemma-7b style configuration >>> configuration = GemmaConfig() >>> # Initializing a model from the gemma-7b style configuration >>> model = GemmaModel(configuration) >>> # Accessing the model configuration >>> configuration = model.config ```"""
3,310
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/configuration_gemma.py
model_type = "gemma" keys_to_ignore_at_inference = ["past_key_values"]
3,310
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/configuration_gemma.py
def __init__( self, vocab_size=256000, hidden_size=3072, intermediate_size=24576, num_hidden_layers=28, num_attention_heads=16, num_key_value_heads=16, head_dim=256, hidden_act="gelu_pytorch_tanh", hidden_activation=None, max_position_embeddings=8192, initializer_range=0.02, rms_norm_eps=1e-6, use_cache=True, pad_token_id=0, eos_token_id=1, bos_token_id=2, tie_word_embeddings=True, rope_theta=10000.0, attention_bias=False, attention_dropout=0.0, **kwargs, ): self.vocab_size = vocab_size self.max_position_embeddings = max_position_embeddings self.hidden_size = hidden_size self.intermediate_size = intermediate_size self.num_hidden_layers = num_hidden_layers self.num_attention_heads = num_attention_heads self.head_dim = head_dim
3,310
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/configuration_gemma.py
self.num_key_value_heads = num_key_value_heads self.hidden_act = hidden_act self.hidden_activation = hidden_activation self.initializer_range = initializer_range self.rms_norm_eps = rms_norm_eps self.use_cache = use_cache self.rope_theta = rope_theta self.attention_bias = attention_bias self.attention_dropout = attention_dropout
3,310
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/configuration_gemma.py
super().__init__( pad_token_id=pad_token_id, bos_token_id=bos_token_id, eos_token_id=eos_token_id, tie_word_embeddings=tie_word_embeddings, **kwargs, )
3,310
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/configuration_gemma.py
class GemmaTokenizerFast(PreTrainedTokenizerFast): """ Construct a Gemma tokenizer fast. Based on byte-level Byte-Pair-Encoding. This uses notably ByteFallback and no prefix space. Normalization is applied to replace `" "` with `"▁"` ```python >>> from transformers import GemmaTokenizerFast >>> tokenizer = GemmaTokenizerFast.from_pretrained("hf-internal-testing/dummy-gemma") >>> tokenizer.encode("Hello this is a test") [2, 4521, 736, 603, 476, 2121] ``` If you want to change the `bos_token` or the `eos_token`, make sure to specify them when initializing the model, or call `tokenizer.update_post_processor()` to make sure that the post-processing is correctly done (otherwise the values of the first token and final token of an encoded sequence will not be correct). For more details, checkout [post-processors] (https://huggingface.co/docs/tokenizers/api/post-processors) documentation.
3,311
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma_fast.py
This tokenizer inherits from [`PreTrainedTokenizerFast`] which contains most of the main methods. Users should refer to this superclass for more information regarding those methods.
3,311
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma_fast.py
Args: vocab_file (`str`, *optional*): [SentencePiece](https://github.com/google/sentencepiece) file (generally has a .model extension) that contains the vocabulary necessary to instantiate a tokenizer. tokenizer_file (`str`, *optional*): [tokenizers](https://github.com/huggingface/tokenizers) file (generally has a .json extension) that contains everything needed to load the tokenizer. clean_up_tokenization_spaces (`bool`, *optional*, defaults to `False`): Whether or not to cleanup spaces after decoding, cleanup consists in removing potential artifacts like extra spaces. unk_token (`str` or `tokenizers.AddedToken`, *optional*, defaults to `"<unk>"`): The unknown token. A token that is not in the vocabulary cannot be converted to an ID and is set to be this token instead. bos_token (`str` or `tokenizers.AddedToken`, *optional*, defaults to `"<bos>"`):
3,311
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma_fast.py
The beginning of sequence token that was used during pretraining. Can be used a sequence classifier token. eos_token (`str` or `tokenizers.AddedToken`, *optional*, defaults to `"<eos>"`): The end of sequence token. pad_token (`str`, *optional*, defaults to `"<pad>"`): The padding token add_bos_token (`bool`, *optional*, defaults to `True`): Whether or not to add an `bos_token` at the start of sequences. add_eos_token (`bool`, *optional*, defaults to `False`): Whether or not to add an `eos_token` at the end of sequences. """
3,311
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma_fast.py
vocab_files_names = VOCAB_FILES_NAMES slow_tokenizer_class = GemmaTokenizer padding_side = "left" model_input_names = ["input_ids", "attention_mask"]
3,311
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma_fast.py
def __init__( self, vocab_file=None, tokenizer_file=None, clean_up_tokenization_spaces=False, unk_token="<unk>", bos_token="<bos>", eos_token="<eos>", pad_token="<pad>", add_bos_token=True, add_eos_token=False, **kwargs, ): super().__init__( vocab_file=vocab_file, tokenizer_file=tokenizer_file, clean_up_tokenization_spaces=clean_up_tokenization_spaces, unk_token=unk_token, bos_token=bos_token, eos_token=eos_token, pad_token=pad_token, add_bos_token=add_bos_token, add_eos_token=add_eos_token, **kwargs, ) self._add_bos_token = add_bos_token self._add_eos_token = add_eos_token self.update_post_processor() self.vocab_file = vocab_file
3,311
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma_fast.py
@property def can_save_slow_tokenizer(self) -> bool: return os.path.isfile(self.vocab_file) if self.vocab_file else False # Copied from transformers.models.llama.tokenization_llama_fast.LlamaTokenizerFast.update_post_processor def update_post_processor(self): """ Updates the underlying post processor with the current `bos_token` and `eos_token`. """ bos = self.bos_token bos_token_id = self.bos_token_id if bos is None and self.add_bos_token: raise ValueError("add_bos_token = True but bos_token = None") eos = self.eos_token eos_token_id = self.eos_token_id if eos is None and self.add_eos_token: raise ValueError("add_eos_token = True but eos_token = None") single = f"{(bos+':0 ') if self.add_bos_token else ''}$A:0{(' '+eos+':0') if self.add_eos_token else ''}" pair = f"{single}{(' '+bos+':1') if self.add_bos_token else ''} $B:1{(' '+eos+':1') if self.add_eos_token else ''}"
3,311
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma_fast.py
special_tokens = [] if self.add_bos_token: special_tokens.append((bos, bos_token_id)) if self.add_eos_token: special_tokens.append((eos, eos_token_id)) self._tokenizer.post_processor = processors.TemplateProcessing( single=single, pair=pair, special_tokens=special_tokens ) @property def add_eos_token(self): return self._add_eos_token @property def add_bos_token(self): return self._add_bos_token @add_eos_token.setter def add_eos_token(self, value): self._add_eos_token = value self.update_post_processor() @add_bos_token.setter def add_bos_token(self, value): self._add_bos_token = value self.update_post_processor()
3,311
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma_fast.py
# Copied from transformers.models.llama.tokenization_llama_fast.LlamaTokenizerFast.save_vocabulary def save_vocabulary(self, save_directory: str, filename_prefix: Optional[str] = None) -> Tuple[str]: if not self.can_save_slow_tokenizer: raise ValueError( "Your fast tokenizer does not have the necessary information to save the vocabulary for a slow " "tokenizer." ) if not os.path.isdir(save_directory): logger.error(f"Vocabulary path ({save_directory}) should be a directory") return out_vocab_file = os.path.join( save_directory, (filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["vocab_file"] ) if os.path.abspath(self.vocab_file) != os.path.abspath(out_vocab_file): copyfile(self.vocab_file, out_vocab_file) return (out_vocab_file,)
3,311
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma_fast.py
# Copied from transformers.models.llama.tokenization_llama_fast.LlamaTokenizerFast.build_inputs_with_special_tokens def build_inputs_with_special_tokens(self, token_ids_0, token_ids_1=None): bos_token_id = [self.bos_token_id] if self.add_bos_token else [] eos_token_id = [self.eos_token_id] if self.add_eos_token else [] output = bos_token_id + token_ids_0 + eos_token_id if token_ids_1 is not None: output = output + bos_token_id + token_ids_1 + eos_token_id return output
3,311
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/tokenization_gemma_fast.py
class FlaxGemmaRMSNorm(nn.Module): config: GemmaConfig dtype: jnp.dtype = jnp.float32 def setup(self): self.epsilon = self.config.rms_norm_eps self.weight = self.param("weight", lambda _, shape: jnp.ones(shape), self.config.hidden_size) def __call__(self, hidden_states): variance = jnp.asarray(hidden_states, dtype=jnp.float32) variance = jnp.power(variance, 2) variance = variance.mean(-1, keepdims=True) # use `jax.numpy.sqrt` as `jax.lax.rsqrt` does not match `torch.rsqrt` hidden_states = hidden_states / jnp.sqrt(variance + self.epsilon) return (1 + self.weight) * jnp.asarray(hidden_states, dtype=self.dtype)
3,312
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modeling_flax_gemma.py
class FlaxGemmaRotaryEmbedding(nn.Module): config: GemmaConfig dtype: jnp.dtype = jnp.float32 # Ignore copy def setup(self): head_dim = self.config.head_dim self.sincos = create_sinusoidal_positions(self.config.max_position_embeddings, head_dim) def __call__(self, key, query, position_ids): sincos = self.sincos[position_ids] sin_pos, cos_pos = jnp.split(sincos, 2, axis=-1) key = apply_rotary_pos_emb(key, sin_pos, cos_pos) query = apply_rotary_pos_emb(query, sin_pos, cos_pos) key = jnp.asarray(key, dtype=self.dtype) query = jnp.asarray(query, dtype=self.dtype) return key, query
3,313
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modeling_flax_gemma.py
class FlaxGemmaAttention(nn.Module): config: GemmaConfig 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_dim = config.head_dim self.attention_softmax_in_fp32 = self.dtype is not jnp.float32 self.num_key_value_heads = config.num_key_value_heads self.num_key_value_groups = self.num_heads // self.num_key_value_heads
3,314
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modeling_flax_gemma.py
kernel = jax.nn.initializers.normal(self.config.initializer_range) self.q_proj = nn.Dense( self.num_heads * self.head_dim, use_bias=config.attention_bias, dtype=self.dtype, kernel_init=kernel ) self.k_proj = nn.Dense( self.num_key_value_heads * self.head_dim, use_bias=config.attention_bias, dtype=self.dtype, kernel_init=kernel, ) self.v_proj = nn.Dense( self.num_key_value_heads * self.head_dim, use_bias=config.attention_bias, dtype=self.dtype, kernel_init=kernel, ) self.o_proj = nn.Dense(self.embed_dim, use_bias=config.attention_bias, dtype=self.dtype, kernel_init=kernel) self.causal_mask = make_causal_mask(jnp.ones((1, config.max_position_embeddings), dtype="bool"), dtype="bool") self.rotary_emb = FlaxGemmaRotaryEmbedding(config, dtype=self.dtype)
3,314
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modeling_flax_gemma.py
def _split_heads(self, hidden_states, num_heads): return hidden_states.reshape(hidden_states.shape[:2] + (num_heads, self.head_dim)) def _merge_heads(self, hidden_states): return hidden_states.reshape(hidden_states.shape[:2] + (self.num_heads * self.head_dim,))
3,314
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modeling_flax_gemma.py
@nn.compact # Copied from transformers.models.gpt_neo.modeling_flax_gpt_neo.FlaxGPTNeoSelfAttention._concatenate_to_cache def _concatenate_to_cache(self, key, value, query, attention_mask): """ This function takes projected key, value states from a single input token and concatenates the states to cached states from previous steps. This function is slighly adapted from the official Flax repository: https://github.com/google/flax/blob/491ce18759622506588784b4fca0e4bf05f8c8cd/flax/linen/attention.py#L252 """ # detect if we're initializing by absence of existing cache data. is_initialized = self.has_variable("cache", "cached_key") cached_key = self.variable("cache", "cached_key", jnp.zeros, key.shape, key.dtype) cached_value = self.variable("cache", "cached_value", jnp.zeros, value.shape, value.dtype) cache_index = self.variable("cache", "cache_index", lambda: jnp.array(0, dtype=jnp.int32))
3,314
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modeling_flax_gemma.py
if is_initialized: *batch_dims, max_length, num_heads, depth_per_head = cached_key.value.shape # update key, value caches with our new 1d spatial slices cur_index = cache_index.value indices = (0,) * len(batch_dims) + (cur_index, 0, 0) key = lax.dynamic_update_slice(cached_key.value, key, indices) value = lax.dynamic_update_slice(cached_value.value, value, indices) cached_key.value = key cached_value.value = value num_updated_cache_vectors = query.shape[1] cache_index.value = cache_index.value + num_updated_cache_vectors # causal mask for cached decoder self-attention: our single query position should only attend to those key positions that have already been generated and cached, not the remaining zero elements. pad_mask = jnp.broadcast_to( jnp.arange(max_length) < cur_index + num_updated_cache_vectors,
3,314
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modeling_flax_gemma.py
tuple(batch_dims) + (1, num_updated_cache_vectors, max_length), ) attention_mask = combine_masks(pad_mask, attention_mask) return key, value, attention_mask
3,314
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modeling_flax_gemma.py
def __call__( self, hidden_states, attention_mask, position_ids, deterministic: bool = True, init_cache: bool = False, output_attentions: bool = False, ): query = self.q_proj(hidden_states) key = self.k_proj(hidden_states) value = self.v_proj(hidden_states) query = self._split_heads(query, self.num_heads) key = self._split_heads(key, self.num_key_value_heads) value = self._split_heads(value, self.num_key_value_heads) key, query = self.rotary_emb(key, query, position_ids) query_length, key_length = query.shape[1], key.shape[1]
3,314
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modeling_flax_gemma.py
if self.has_variable("cache", "cached_key"): mask_shift = self.variables["cache"]["cache_index"] max_decoder_length = self.variables["cache"]["cached_key"].shape[1] causal_mask = lax.dynamic_slice( self.causal_mask, (0, 0, mask_shift, 0), (1, 1, query_length, max_decoder_length) ) else: causal_mask = self.causal_mask[:, :, :query_length, :key_length] batch_size = hidden_states.shape[0] causal_mask = jnp.broadcast_to(causal_mask, (batch_size,) + causal_mask.shape[1:]) attention_mask = jnp.broadcast_to(jnp.expand_dims(attention_mask, axis=(-3, -2)), causal_mask.shape) attention_mask = combine_masks(attention_mask, causal_mask) dropout_rng = None if not deterministic and self.config.attention_dropout > 0.0: dropout_rng = self.make_rng("dropout")
3,314
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modeling_flax_gemma.py
# During fast autoregressive decoding, we feed one position at a time, # and cache the keys and values step by step. if self.has_variable("cache", "cached_key") or init_cache: key, value, attention_mask = self._concatenate_to_cache(key, value, query, attention_mask) # transform boolean mask into float mask attention_bias = lax.select( attention_mask > 0, jnp.full(attention_mask.shape, 0.0).astype(self.dtype), jnp.full(attention_mask.shape, jnp.finfo(self.dtype).min).astype(self.dtype), ) key = jnp.repeat(key, repeats=self.num_key_value_groups, axis=2) value = jnp.repeat(value, repeats=self.num_key_value_groups, axis=2)
3,314
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modeling_flax_gemma.py
# usual dot product attention attention_dtype = jnp.float32 if self.attention_softmax_in_fp32 else self.dtype attn_weights = dot_product_attention_weights( query, key, bias=attention_bias, dropout_rng=dropout_rng, dropout_rate=self.config.attention_dropout, deterministic=deterministic, dtype=attention_dtype, ) if self.attention_softmax_in_fp32: attn_weights = attn_weights.astype(self.dtype) attn_output = jnp.einsum("...hqk,...khd->...qhd", attn_weights, value) attn_output = self._merge_heads(attn_output) attn_output = self.o_proj(attn_output) outputs = (attn_output, attn_weights) if output_attentions else (attn_output,) return outputs
3,314
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modeling_flax_gemma.py
class FlaxGemmaMLP(nn.Module): config: GemmaConfig dtype: jnp.dtype = jnp.float32 def setup(self): embed_dim = self.config.hidden_size inner_dim = self.config.intermediate_size if self.config.intermediate_size is not None else 4 * embed_dim
3,315
/Users/nielsrogge/Documents/python_projecten/transformers/src/transformers/models/gemma/modeling_flax_gemma.py