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[tests] expand flex-attn test for vision models (#38434)

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* expand the test for VLMs

* typo

* mark models `supports_flex` + expand test for additional kwargs

* flex attn for refactored vision models

* fix copies

* fix

* unskip

* style

* address comments
This commit is contained in:
Raushan Turganbay
2025-06-03 09:40:44 +02:00
committed by GitHub
parent de4cf5a38e
commit bf68dd9e6e
45 changed files with 429 additions and 195 deletions
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444
examples/modular-transformers/modeling_new_task_model.py
View File

@@ -12,24 +12,52 @@ from torch import nn
from ...cache_utils import Cache, HybridCache, StaticCache
from ...generation import GenerationMixin
from ...modeling_flash_attention_utils import FlashAttentionKwargs
from ...modeling_outputs import BaseModelOutputWithPast
from ...modeling_utils import PreTrainedModel
from ...utils import (
ModelOutput,
add_start_docstrings,
add_start_docstrings_to_model_forward,
replace_return_docstrings,
)
from ..auto import AutoModel, AutoModelForCausalLM
from ...processing_utils import Unpack
from ...utils import ModelOutput, auto_docstring, can_return_tuple, is_torchdynamo_compiling
from ..auto import AutoModel
from .configuration_new_task_model import NewTaskModelConfig
_CONFIG_FOR_DOC = "NewTaskModelConfig"
@dataclass
class NewTaskModelModelOutputWithPast(BaseModelOutputWithPast):
"""
Base class for NewTaskModel outputs, with hidden states and attentions.
Args:
last_hidden_state (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`):
Sequence of hidden-states at the output of the last layer of the model.
past_key_values (`tuple(tuple(torch.FloatTensor))`, *optional*, returned when `use_cache=True` is passed or when `config.use_cache=True`):
Tuple of `tuple(torch.FloatTensor)` of length `config.n_layers`, with each tuple having 2 tensors of shape
`(batch_size, num_heads, sequence_length, embed_size_per_head)`)
Contains pre-computed hidden-states (key and values in the self-attention blocks) that can be used (see
`past_key_values` input) to speed up sequential decoding.
hidden_states (`tuple(torch.FloatTensor)`, *optional*, returned when `output_hidden_states=True` is passed or when `config.output_hidden_states=True`):
Tuple of `torch.FloatTensor` (one for the output of the embeddings, if the model has an embedding layer, +
one for the output of each layer) of shape `(batch_size, sequence_length, hidden_size)`.
Hidden-states of the model at the output of each layer plus the optional initial embedding outputs.
attentions (`tuple(torch.FloatTensor)`, *optional*, returned when `output_attentions=True` is passed or when `config.output_attentions=True`):
Tuple of `torch.FloatTensor` (one for each layer) of shape `(batch_size, num_heads, sequence_length,
sequence_length)`.
Attentions weights after the attention softmax, used to compute the weighted average in the self-attention
heads.
image_hidden_states (`torch.FloatTensor`, *optional*):
A `torch.FloatTensor` of size `(batch_size, num_images, sequence_length, hidden_size)`.
image_hidden_states of the model produced by the vision encoder and after projecting the last hidden state.
"""
image_hidden_states: Optional[torch.FloatTensor] = None
@dataclass
class NewTaskModelCausalLMOutputWithPast(ModelOutput):
"""
Base class for NewTaskModelcausal language model (or autoregressive) outputs.
Base class for NewTaskModel causal language model (or autoregressive) outputs.
Args:
loss (`torch.FloatTensor` of shape `(1,)`, *optional*, returned when `labels` is provided):
@@ -77,30 +105,10 @@ class NewTaskModelMultiModalProjector(nn.Module):
return hidden_states
NEW_TASK_MODEL_START_DOCSTRING = r"""
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`NewTaskModelConfig`] or [`NewTaskModelVisionConfig`]):
Model configuration class with all the parameters of the model. Initializing with a config file does not
load the weights associated with the model, only the configuration. Check out the
[`~PreTrainedModel.from_pretrained`] method to load the model weights.
"""
@add_start_docstrings(
"The bare LLaMA Model outputting raw hidden-states without any specific head on top.",
NEW_TASK_MODEL_START_DOCSTRING,
)
@auto_docstring
class NewTaskModelPreTrainedModel(PreTrainedModel):
config_class = NewTaskModelConfig
base_model_prefix = "model"
base_model_prefix = ""
supports_gradient_checkpointing = True
_no_split_modules = ["NewTaskModelMultiModalProjector"]
_skip_keys_device_placement = "past_key_values"
@@ -109,6 +117,8 @@ class NewTaskModelPreTrainedModel(PreTrainedModel):
_supports_static_cache = True
_supports_flash_attn_2 = True
_supports_sdpa = True
_supports_flex_attn = True
_supports_attention_backend = True
def _init_weights(self, module):
# important: this ported version of NewTaskModelisn't meant for training from scratch - only
@@ -121,102 +131,24 @@ class NewTaskModelPreTrainedModel(PreTrainedModel):
module.bias.data.zero_()
NEW_TASK_MODEL_INPUTS_DOCSTRING = r"""
Args:
input_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`):
Indices of input sequence tokens in the vocabulary. Padding will be ignored by default should you provide
it.
Indices can be obtained using [`AutoTokenizer`]. See [`PreTrainedTokenizer.encode`] and
[`PreTrainedTokenizer.__call__`] for details.
[What are input IDs?](../glossary#input-ids)
pixel_values (`torch.FloatTensor` of shape `(batch_size, num_channels, image_size, image_size)):
The tensors corresponding to the input images. Pixel values can be obtained using
[`AutoImageProcessor`]. See [`SiglipImageProcessor.__call__`] for details ([]`NewTaskModelProcessor`] uses
[`SiglipImageProcessor`] for processing images).
attention_mask (`torch.Tensor` of shape `(batch_size, sequence_length)`, *optional*):
Mask to avoid performing attention on padding token indices. Mask values selected in `[0, 1]`:
- 1 for tokens that are **not masked**,
- 0 for tokens that are **masked**.
[What are attention masks?](../glossary#attention-mask)
Indices can be obtained using [`AutoTokenizer`]. See [`PreTrainedTokenizer.encode`] and
[`PreTrainedTokenizer.__call__`] for details.
If `past_key_values` is used, optionally only the last `decoder_input_ids` have to be input (see
`past_key_values`).
If you want to change padding behavior, you should read [`modeling_opt._prepare_decoder_attention_mask`]
and modify to your needs. See diagram 1 in [the paper](https://arxiv.org/abs/1910.13461) for more
information on the default strategy.
- 1 indicates the head is **not masked**,
- 0 indicates the head is **masked**.
position_ids (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
Indices of positions of each input sequence tokens in the position embeddings. Selected in the range `[0,
config.n_positions - 1]`. [What are position IDs?](../glossary#position-ids)
past_key_values (`tuple(tuple(torch.FloatTensor))`, *optional*, returned when `use_cache=True` is passed or when `config.use_cache=True`):
Tuple of `tuple(torch.FloatTensor)` of length `config.n_layers`, with each tuple having 2 tensors of shape
`(batch_size, num_heads, sequence_length, embed_size_per_head)`) and 2 additional tensors of shape
`(batch_size, num_heads, encoder_sequence_length, embed_size_per_head)`.
Contains pre-computed hidden-states (key and values in the self-attention blocks and in the cross-attention
blocks) that can be used (see `past_key_values` input) to speed up sequential decoding.
If `past_key_values` are used, the user can optionally input only the last `decoder_input_ids` (those that
don't have their past key value states given to this model) of shape `(batch_size, 1)` instead of all
`decoder_input_ids` of shape `(batch_size, sequence_length)`.
inputs_embeds (`torch.FloatTensor` of shape `(batch_size, sequence_length, hidden_size)`, *optional*):
Optionally, instead of passing `input_ids` you can choose to directly pass an embedded representation. This
is useful if you want more control over how to convert `input_ids` indices into associated vectors than the
model's internal embedding lookup matrix.
use_cache (`bool`, *optional*):
If set to `True`, `past_key_values` key value states are returned and can be used to speed up decoding (see
`past_key_values`).
output_attentions (`bool`, *optional*):
Whether or not to return the attentions tensors of all attention layers. See `attentions` under returned
tensors for more detail.
output_hidden_states (`bool`, *optional*):
Whether or not to return the hidden states of all layers. See `hidden_states` under returned tensors for
more detail.
return_dict (`bool`, *optional*):
Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.
cache_position (`torch.LongTensor` of shape `(sequence_length)`, *optional*):
Indices depicting the position of the input sequence tokens in the sequence. Contrarily to `position_ids`,
this tensor is not affected by padding. It is used to update the cache in the correct position and to infer
the complete sequence length.
"""
@add_start_docstrings(
"""The NEW_TASK_MODEL model which consists of a vision backbone and a language model.""",
NEW_TASK_MODEL_START_DOCSTRING,
@auto_docstring(
custom_intro="""
The Base NewTaskModel model which consists of a vision backbone and a language model withou language modeling head.,
"""
)
class NewTaskModelForNewTask(NewTaskModelPreTrainedModel, GenerationMixin):
main_input_name: ClassVar[str] = "doc_input_ids" # transformers-related
class NewTaskModelModel(NewTaskModelPreTrainedModel):
_checkpoint_conversion_mapping = {"language_model.model": "language_model"}
def __init__(self, config):
def __init__(self, config: NewTaskModelConfig):
super().__init__(config)
self.vision_tower = AutoModel.from_config(config=config.vision_config)
self.multi_modal_projector = NewTaskModelMultiModalProjector(config)
self.vocab_size = config.text_config.vocab_size
language_model = AutoModelForCausalLM.from_config(config=config.text_config)
if language_model._tied_weights_keys is not None:
self._tied_weights_keys = [f"language_model.{k}" for k in language_model._tied_weights_keys]
language_model = AutoModel.from_config(config=config.text_config)
self.language_model = language_model
self.pad_token_id = self.config.pad_token_id if self.config.pad_token_id is not None else -1
self.embedding_dim = self.config.embedding_dim
self.custom_text_proj = nn.Linear(self.config.text_config.hidden_size, self.embedding_dim)
if self.language_model._tied_weights_keys is not None:
self._tied_weights_keys = [f"model.language_model.{k}" for k in self.language_model._tied_weights_keys]
self.post_init()
def get_input_embeddings(self):
@@ -225,18 +157,6 @@ class NewTaskModelForNewTask(NewTaskModelPreTrainedModel, GenerationMixin):
def set_input_embeddings(self, value):
self.language_model.set_input_embeddings(value)
def get_output_embeddings(self):
return self.language_model.get_output_embeddings()
def set_output_embeddings(self, new_embeddings):
self.language_model.set_output_embeddings(new_embeddings)
def set_decoder(self, decoder):
self.language_model.set_decoder(decoder)
def get_decoder(self):
return self.language_model.get_decoder()
def _update_causal_mask(
self,
attention_mask,
@@ -321,8 +241,191 @@ class NewTaskModelForNewTask(NewTaskModelPreTrainedModel, GenerationMixin):
image_features = image_features / (self.config.text_config.hidden_size**0.5)
return image_features
@add_start_docstrings_to_model_forward(NEW_TASK_MODEL_INPUTS_DOCSTRING)
@replace_return_docstrings(output_type=NewTaskModelCausalLMOutputWithPast, config_class=_CONFIG_FOR_DOC)
@can_return_tuple
@auto_docstring
def forward(
self,
input_ids: torch.LongTensor = None,
pixel_values: torch.FloatTensor = None,
attention_mask: Optional[torch.Tensor] = None,
position_ids: Optional[torch.LongTensor] = None,
past_key_values: Optional[Union[List[torch.FloatTensor], Cache]] = None,
token_type_ids: Optional[torch.LongTensor] = None,
cache_position: Optional[torch.LongTensor] = None,
inputs_embeds: Optional[torch.FloatTensor] = None,
labels: Optional[torch.LongTensor] = None,
use_cache: Optional[bool] = None,
output_attentions: Optional[bool] = None,
output_hidden_states: Optional[bool] = None,
return_dict: Optional[bool] = None,
**kwargs: Unpack[FlashAttentionKwargs],
) -> Union[Tuple, NewTaskModelModelOutputWithPast]:
r"""
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.text_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.text_config.vocab_size]`.
Example:
```python
>>> from PIL import Image
>>> import requests
>>> from transformers import AutoProcessor, NewTaskModelForConditionalGeneration
>>> model = NewTaskModelForConditionalGeneration.from_pretrained("google/new_task_model2-3b-mix-224")
>>> processor = AutoProcessor.from_pretrained("google/new_task_model2-3b-mix-224")
>>> prompt = "Where is the cat standing?"
>>> url = "https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/pipeline-cat-chonk.jpeg"
>>> image = Image.open(requests.get(url, stream=True).raw)
>>> inputs = processor(images=image, text=prompt, return_tensors="pt")
>>> # Generate
>>> generate_ids = model.generate(**inputs,)
>>> processor.batch_decode(generate_ids, skip_special_tokens=True, clean_up_tokenization_spaces=False)[0]
"Where is the cat standing?\nsnow"
```"""
if (input_ids is None) ^ (inputs_embeds is not None):
raise ValueError("You must specify exactly one of input_ids or inputs_embeds")
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
)
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
is_training = token_type_ids is not None and labels is not None
# Replace image id woth PAD if the image token if OOV, to avoid index-errors
if input_ids is not None and self.config.image_token_id >= self.vocab_size:
special_image_mask = input_ids == self.config.image_token_id
llm_input_ids = input_ids.clone()
llm_input_ids[special_image_mask] = 0
else:
llm_input_ids = input_ids
if inputs_embeds is None:
inputs_embeds = self.get_input_embeddings()(llm_input_ids)
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) + 1 # NewTaskModel positions are 1-indexed
# Merge text and images
if pixel_values is not None:
image_features = self.get_image_features(pixel_values)
if input_ids is None:
special_image_mask = inputs_embeds == self.get_input_embeddings()(
torch.tensor(self.config.image_token_id, dtype=torch.long, device=inputs_embeds.device)
)
else:
special_image_mask = (input_ids == self.config.image_token_id).unsqueeze(-1)
special_image_mask = special_image_mask.expand_as(inputs_embeds).to(inputs_embeds.device)
if not is_torchdynamo_compiling() and inputs_embeds[special_image_mask].numel() != image_features.numel():
image_tokens_in_text = (special_image_mask).sum(dim=1).sum(dim=0)[0]
raise ValueError(
f"Number of images does not match number of special image tokens in the input text. "
f"Got {image_tokens_in_text} image tokens in the text but {image_features.shape[0] * image_features.shape[1]} "
"tokens from image embeddings."
)
image_features = image_features.to(inputs_embeds.device, inputs_embeds.dtype)
inputs_embeds = inputs_embeds.masked_scatter(special_image_mask, image_features)
causal_mask = self._update_causal_mask(
attention_mask, token_type_ids, past_key_values, cache_position, inputs_embeds, is_training
)
outputs = self.language_model(
attention_mask=causal_mask,
position_ids=position_ids,
past_key_values=past_key_values,
inputs_embeds=inputs_embeds,
use_cache=use_cache,
output_attentions=output_attentions,
output_hidden_states=output_hidden_states,
return_dict=True,
cache_position=cache_position,
**kwargs,
)
return NewTaskModelModelOutputWithPast(
last_hidden_state=outputs.last_hidden_state,
past_key_values=outputs.past_key_values,
hidden_states=outputs.hidden_states,
attentions=outputs.attentions,
image_hidden_states=image_features if pixel_values is not None else None,
)
@auto_docstring(
custom_intro="""
The Base NewTaskModel model which consists of a vision backbone and a language model without language modeling head.,
"""
)
class NewTaskModelForNewTask(NewTaskModelPreTrainedModel, GenerationMixin):
_checkpoint_conversion_mapping = {
"^language_model.model": "model.language_model",
"^vision_tower": "model.vision_tower",
"^multi_modal_projector": "model.multi_modal_projector",
"^language_model.lm_head": "lm_head",
}
_tied_weights_keys = ["lm_head.weight"]
main_input_name: ClassVar[str] = "doc_input_ids" # transformers-related
def __init__(self, config):
super().__init__(config)
self.model = NewTaskModelModel(config)
self.lm_head = nn.Linear(config.text_config.hidden_size, config.text_config.vocab_size, bias=False)
self.embedding_dim = self.config.embedding_dim
self.custom_text_proj = nn.Linear(self.config.text_config.hidden_size, self.embedding_dim)
if self.language_model._tied_weights_keys is not None:
self._tied_weights_keys = [f"model.language_model.{k}" for k in self.language_model._tied_weights_keys]
self.post_init()
def get_input_embeddings(self):
return self.model.get_input_embeddings()
def set_input_embeddings(self, value):
self.model.set_input_embeddings(value)
def get_output_embeddings(self):
return self.lm_head
def set_output_embeddings(self, new_embeddings):
self.lm_head = new_embeddings
def set_decoder(self, decoder):
self.model = decoder
def get_decoder(self):
return self.model
# Make modules available throught conditional class for BC
@property
def language_model(self):
return self.model.language_model
@property
def vision_tower(self):
return self.model.vision_tower
@property
def multi_modal_projector(self):
return self.model.multi_modal_projector
@can_return_tuple
@auto_docstring
def forward(
self,
input_ids: torch.LongTensor = None,
@@ -341,19 +444,10 @@ class NewTaskModelForNewTask(NewTaskModelPreTrainedModel, GenerationMixin):
num_logits_to_keep: int = 0,
) -> Union[Tuple, NewTaskModelCausalLMOutputWithPast]:
r"""
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.text_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.text_config.vocab_size]`.
logits_to_keep (`int` or `torch.Tensor`, *optional*):
If an `int`, compute logits for the last `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.
If a `torch.Tensor`, must be 1D corresponding to the indices to keep in the sequence length dimension.
This is useful when using packed tensor format (single dimension for batch and sequence length).
Returns:
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.text_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.text_config.vocab_size]`.
Example:
@@ -400,7 +494,8 @@ class NewTaskModelForNewTask(NewTaskModelPreTrainedModel, GenerationMixin):
# L2 normalization
embeddings = proj / proj.norm(dim=-1, keepdim=True) # (batch_size, sequence_length, dim)
embeddings = embeddings * attention_mask.unsqueeze(-1) # (batch_size, sequence_length, dim)
if attention_mask is not None:
embeddings = embeddings * attention_mask.unsqueeze(-1) # (batch_size, sequence_length, dim)
return (embeddings,) + vlm_outputs
@@ -420,7 +515,7 @@ class NewTaskModelForNewTask(NewTaskModelPreTrainedModel, GenerationMixin):
**kwargs,
):
# Overwritten -- custom `position_ids` and `pixel_values` handling
model_inputs = self.language_model.prepare_inputs_for_generation(
model_inputs = super().prepare_inputs_for_generation(
input_ids,
past_key_values=past_key_values,
inputs_embeds=inputs_embeds,
@@ -443,13 +538,68 @@ class NewTaskModelForNewTask(NewTaskModelPreTrainedModel, GenerationMixin):
is_training = token_type_ids is not None and labels is not None
if cache_position[0] == 0 and isinstance(past_key_values, HybridCache):
input_tensor = inputs_embeds if inputs_embeds is not None else input_ids
causal_mask = self._update_causal_mask(
causal_mask = self.model._update_causal_mask(
attention_mask, token_type_ids, past_key_values, cache_position, input_tensor, is_training
)
model_inputs["attention_mask"] = causal_mask
return model_inputs
@staticmethod
def _prepare_4d_causal_attention_mask_with_cache_position(
attention_mask: torch.Tensor,
sequence_length: int,
target_length: int,
dtype: torch.dtype,
cache_position: torch.Tensor,
batch_size: int,
**kwargs,
):
"""
Creates a causal 4D mask of shape `(batch_size, 1, query_length, key_value_length)` from a 2D mask of shape
`(batch_size, key_value_length)`, or if the input `attention_mask` is already 4D, do nothing.
Args:
attention_mask (`torch.Tensor`):
A 2D attention mask of shape `(batch_size, key_value_length)` or a 4D attention mask of shape
`(batch_size, 1, query_length, key_value_length)`.
sequence_length (`int`):
The sequence length being processed.
target_length (`int`):
The target length: when generating with static cache, the mask should be as long as the static cache,
to account for the 0 padding, the part of the cache that is not filled yet.
dtype (`torch.dtype`):
The dtype to use for the 4D attention mask.
cache_position (`torch.Tensor`):
Indices depicting the position of the input sequence tokens in the sequence.
batch_size (`torch.Tensor`):
Batch size.
"""
if attention_mask is not None and attention_mask.dim() == 4:
# In this case we assume that the mask comes already in inverted form and requires no inversion or slicing.
causal_mask = attention_mask
else:
min_dtype = torch.finfo(dtype).min
causal_mask = torch.full(
(sequence_length, target_length), fill_value=min_dtype, dtype=dtype, device=cache_position.device
)
if sequence_length != 1:
causal_mask = torch.triu(causal_mask, diagonal=1)
causal_mask *= torch.arange(target_length, device=cache_position.device) > cache_position.reshape(-1, 1)
causal_mask = causal_mask[None, None, :, :].expand(batch_size, 1, -1, -1)
if attention_mask is not None:
causal_mask = causal_mask.clone() # copy to contiguous memory for in-place edit
mask_length = attention_mask.shape[-1]
padding_mask = causal_mask[:, :, :, :mask_length] + attention_mask[:, None, None, :].to(
causal_mask.device
)
padding_mask = padding_mask == 0
causal_mask[:, :, :, :mask_length] = causal_mask[:, :, :, :mask_length].masked_fill(
padding_mask, min_dtype
)
return causal_mask
def resize_token_embeddings(
self, new_num_tokens: Optional[int] = None, pad_to_multiple_of=None, mean_resizing=True
) -> nn.Embedding:

3
examples/modular-transformers/modular_new_task_model.py
View File

@@ -65,7 +65,8 @@ class NewTaskModelForNewTask(PaliGemmaForConditionalGeneration):
# L2 normalization
embeddings = proj / proj.norm(dim=-1, keepdim=True) # (batch_size, sequence_length, dim)
embeddings = embeddings * attention_mask.unsqueeze(-1) # (batch_size, sequence_length, dim)
if attention_mask is not None:
embeddings = embeddings * attention_mask.unsqueeze(-1) # (batch_size, sequence_length, dim)
return (embeddings,) + vlm_outputs