pyvene.models.backpack_gpt2.modelings_backpack_gpt2.BackpackGPT2PreTrainedModel

pyvene.models.backpack_gpt2.modelings_backpack_gpt2.BackpackGPT2PreTrainedModel#

class BackpackGPT2PreTrainedModel(*inputs, **kwargs)[source]#

Bases: GPT2PreTrainedModel

An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models.

__init__(*inputs, **kwargs)[source]#

Initialize internal Module state, shared by both nn.Module and ScriptModule.

Methods

__init__(*inputs, **kwargs)

Initialize internal Module state, shared by both nn.Module and ScriptModule.

active_adapter()

active_adapters()

If you are not familiar with adapters and PEFT methods, we invite you to read more about them on the PEFT official documentation: https://huggingface.co/docs/peft

add_adapter(adapter_config[, adapter_name])

If you are not familiar with adapters and PEFT methods, we invite you to read more about them on the PEFT official documentation: https://huggingface.co/docs/peft

add_memory_hooks()

Add a memory hook before and after each sub-module forward pass to record increase in memory consumption.

add_model_tags(tags)

Add custom tags into the model that gets pushed to the Hugging Face Hub.

add_module(name, module)

Add a child module to the current module.

apply(fn)

Apply fn recursively to every submodule (as returned by .children()) as well as self.

assisted_decoding(*args, **kwargs)

beam_sample(*args, **kwargs)

beam_search(*args, **kwargs)

bfloat16()

Casts all floating point parameters and buffers to bfloat16 datatype.

buffers([recurse])

Return an iterator over module buffers.

can_generate()

Returns whether this model can generate sequences with .generate().

children()

Return an iterator over immediate children modules.

compile(*args, **kwargs)

Compile this Module's forward using torch.compile().

compute_transition_scores(sequences, scores)

Computes the transition scores of sequences given the generation scores (and beam indices, if beam search was used).

constrained_beam_search(*args, **kwargs)

contrastive_search(*args, **kwargs)

cpu()

Move all model parameters and buffers to the CPU.

create_extended_attention_mask_for_decoder(...)

cuda([device])

Move all model parameters and buffers to the GPU.

disable_adapters()

If you are not familiar with adapters and PEFT methods, we invite you to read more about them on the PEFT official documentation: https://huggingface.co/docs/peft

disable_input_require_grads()

Removes the _require_grads_hook.

double()

Casts all floating point parameters and buffers to double datatype.

enable_adapters()

If you are not familiar with adapters and PEFT methods, we invite you to read more about them on the PEFT official documentation: https://huggingface.co/docs/peft

enable_input_require_grads()

Enables the gradients for the input embeddings.

estimate_tokens(input_dict)

Helper function to estimate the total number of tokens from the model inputs.

eval()

Set the module in evaluation mode.

extra_repr()

Set the extra representation of the module.

float(*args)

Casts all floating point parameters and buffers to float datatype.

floating_point_ops(input_dict[, ...])

Get number of (optionally, non-embeddings) floating-point operations for the forward and backward passes of a batch with this transformer model.

forward(*input)

Define the computation performed at every call.

from_pretrained(...[, config, cache_dir, ...])

Instantiate a pretrained pytorch model from a pre-trained model configuration.

generate([inputs, generation_config, ...])

Generates sequences of token ids for models with a language modeling head.

get_adapter_state_dict([adapter_name])

If you are not familiar with adapters and PEFT methods, we invite you to read more about them on the PEFT official documentation: https://huggingface.co/docs/peft

get_buffer(target)

Return the buffer given by target if it exists, otherwise throw an error.

get_extended_attention_mask(attention_mask, ...)

Makes broadcastable attention and causal masks so that future and masked tokens are ignored.

get_extra_state()

Return any extra state to include in the module's state_dict.

get_head_mask(head_mask, num_hidden_layers)

Prepare the head mask if needed.

get_input_embeddings()

Returns the model's input embeddings.

get_memory_footprint([return_buffers])

Get the memory footprint of a model.

get_output_embeddings()

Returns the model's output embeddings.

get_parameter(target)

Return the parameter given by target if it exists, otherwise throw an error.

get_position_embeddings()

get_submodule(target)

Return the submodule given by target if it exists, otherwise throw an error.

gradient_checkpointing_disable()

Deactivates gradient checkpointing for the current model.

gradient_checkpointing_enable([...])

Activates gradient checkpointing for the current model.

greedy_search(*args, **kwargs)

group_beam_search(*args, **kwargs)

half(*args)

Casts all floating point parameters and buffers to half datatype.

init_weights()

If needed prunes and maybe initializes weights.

invert_attention_mask(encoder_attention_mask)

Invert an attention mask (e.g., switches 0.

ipu([device])

Move all model parameters and buffers to the IPU.

load_adapter([peft_model_id, adapter_name, ...])

Load adapter weights from file or remote Hub folder.

load_state_dict(state_dict[, strict, assign])

Copy parameters and buffers from state_dict into this module and its descendants.

load_tf_weights(config, gpt2_checkpoint_path)

Load tf checkpoints in a pytorch model

modules()

Return an iterator over all modules in the network.

named_buffers([prefix, recurse, ...])

Return an iterator over module buffers, yielding both the name of the buffer as well as the buffer itself.

named_children()

Return an iterator over immediate children modules, yielding both the name of the module as well as the module itself.

named_modules([memo, prefix, remove_duplicate])

Return an iterator over all modules in the network, yielding both the name of the module as well as the module itself.

named_parameters([prefix, recurse, ...])

Return an iterator over module parameters, yielding both the name of the parameter as well as the parameter itself.

num_parameters([only_trainable, ...])

Get number of (optionally, trainable or non-embeddings) parameters in the module.

parameters([recurse])

Return an iterator over module parameters.

post_init()

A method executed at the end of each Transformer model initialization, to execute code that needs the model's modules properly initialized (such as weight initialization).

prepare_inputs_for_generation(*args, **kwargs)

prune_heads(heads_to_prune)

Prunes heads of the base model.

push_to_hub(repo_id[, use_temp_dir, ...])

Upload the model file to the 🤗 Model Hub.

register_backward_hook(hook)

Register a backward hook on the module.

register_buffer(name, tensor[, persistent])

Add a buffer to the module.

register_for_auto_class([auto_class])

Register this class with a given auto class.

register_forward_hook(hook, *[, prepend, ...])

Register a forward hook on the module.

register_forward_pre_hook(hook, *[, ...])

Register a forward pre-hook on the module.

register_full_backward_hook(hook[, prepend])

Register a backward hook on the module.

register_full_backward_pre_hook(hook[, prepend])

Register a backward pre-hook on the module.

register_load_state_dict_post_hook(hook)

Register a post hook to be run after module's load_state_dict is called.

register_module(name, module)

Alias for add_module().

register_parameter(name, param)

Add a parameter to the module.

register_state_dict_pre_hook(hook)

Register a pre-hook for the state_dict() method.

requires_grad_([requires_grad])

Change if autograd should record operations on parameters in this module.

reset_memory_hooks_state()

Reset the mem_rss_diff attribute of each module (see [~modeling_utils.ModuleUtilsMixin.add_memory_hooks]).

resize_position_embeddings(...)

resize_token_embeddings([new_num_tokens, ...])

Resizes input token embeddings matrix of the model if new_num_tokens != config.vocab_size.

retrieve_modules_from_names(names[, ...])

reverse_bettertransformer()

Reverts the transformation from [~PreTrainedModel.to_bettertransformer] so that the original modeling is used, for example in order to save the model.

sample(*args, **kwargs)

save_pretrained(save_directory[, ...])

Save a model and its configuration file to a directory, so that it can be re-loaded using the [~PreTrainedModel.from_pretrained] class method.

set_adapter(adapter_name)

If you are not familiar with adapters and PEFT methods, we invite you to read more about them on the PEFT official documentation: https://huggingface.co/docs/peft

set_extra_state(state)

Set extra state contained in the loaded state_dict.

set_input_embeddings(value)

Set model's input embeddings.

share_memory()

See torch.Tensor.share_memory_().

state_dict(*args[, destination, prefix, ...])

Return a dictionary containing references to the whole state of the module.

tie_weights()

Tie the weights between the input embeddings and the output embeddings.

to(*args, **kwargs)

Move and/or cast the parameters and buffers.

to_bettertransformer()

Converts the model to use [PyTorch's native attention implementation](https://pytorch.org/docs/stable/generated/torch.nn.MultiheadAttention.html), integrated to Transformers through [Optimum library](https://huggingface.co/docs/optimum/bettertransformer/overview).

to_empty(*, device[, recurse])

Move the parameters and buffers to the specified device without copying storage.

train([mode])

Set the module in training mode.

type(dst_type)

Casts all parameters and buffers to dst_type.

warn_if_padding_and_no_attention_mask(...)

Shows a one-time warning if the input_ids appear to contain padding and no attention mask was given.

xpu([device])

Move all model parameters and buffers to the XPU.

zero_grad([set_to_none])

Reset gradients of all model parameters.

Attributes

T_destination

base_model

torch.nn.Module: The main body of the model.

base_model_prefix

call_super_init

device

torch.device: The device on which the module is (assuming that all the module parameters are on the same device).

dtype

torch.dtype: The dtype of the module (assuming that all the module parameters have the same dtype).

dummy_inputs

Dict[str, torch.Tensor]: Dummy inputs to do a forward pass in the network.

dump_patches

framework

str:

Identifies that this is a PyTorch model.

is_gradient_checkpointing

Whether gradient checkpointing is activated for this model or not.

is_parallelizable

main_input_name

model_tags

supports_gradient_checkpointing

training

config_class#

alias of BackpackGPT2Config