|
@@ -0,0 +1,869 @@
|
|
|
|
+import math
|
|
|
|
+from typing import (Iterable, List, Literal, Mapping, Optional, Tuple,
|
|
|
|
+ TypedDict, Union)
|
|
|
|
+
|
|
|
|
+import numpy as np
|
|
|
|
+import torch
|
|
|
|
+import torch.nn as nn
|
|
|
|
+from PIL import Image
|
|
|
|
+from transformers import (CLIPVisionConfig, LlavaOnevisionConfig,
|
|
|
|
+ SiglipVisionConfig)
|
|
|
|
+from transformers.models.llava_onevision.modeling_llava_onevision import (
|
|
|
|
+ get_anyres_image_grid_shape, unpad_image)
|
|
|
|
+from typing_extensions import NotRequired
|
|
|
|
+
|
|
|
|
+from aphrodite.attention import AttentionMetadata
|
|
|
|
+from aphrodite.common.config import CacheConfig, MultiModalConfig
|
|
|
|
+from aphrodite.common.sequence import IntermediateTensors
|
|
|
|
+from aphrodite.common.utils import is_list_of
|
|
|
|
+from aphrodite.inputs import INPUT_REGISTRY, InputContext, LLMInputs
|
|
|
|
+from aphrodite.modeling.layers.activation import get_act_fn
|
|
|
|
+from aphrodite.modeling.layers.sampler import SamplerOutput
|
|
|
|
+from aphrodite.modeling.model_loader.weight_utils import default_weight_loader
|
|
|
|
+from aphrodite.modeling.sampling_metadata import SamplingMetadata
|
|
|
|
+from aphrodite.multimodal import MULTIMODAL_REGISTRY
|
|
|
|
+from aphrodite.multimodal.utils import (cached_get_tokenizer,
|
|
|
|
+ repeat_and_pad_placeholder_tokens)
|
|
|
|
+from aphrodite.quantization.base_config import QuantizationConfig
|
|
|
|
+
|
|
|
|
+from .clip import (CLIPVisionModel, dummy_seq_data_for_clip,
|
|
|
|
+ dummy_video_for_clip, get_clip_image_feature_size,
|
|
|
|
+ get_clip_patch_grid_length, input_processor_for_clip)
|
|
|
|
+from .interfaces import SupportsMultiModal
|
|
|
|
+from .siglip import (SiglipVisionModel, dummy_seq_data_for_siglip,
|
|
|
|
+ dummy_video_for_siglip, get_siglip_image_feature_size,
|
|
|
|
+ get_siglip_patch_grid_length, input_processor_for_siglip)
|
|
|
|
+from .utils import (flatten_bn, group_weights_with_prefix,
|
|
|
|
+ init_aphrodite_registered_model,
|
|
|
|
+ merge_multimodal_embeddings)
|
|
|
|
+
|
|
|
|
+# Result in the max possible feature size (2x2 grid of 336x336px tiles)
|
|
|
|
+MAX_IMAGE_FEATURE_SIZE_HEIGHT = MAX_IMAGE_FEATURE_SIZE_WIDTH = 448
|
|
|
|
+# For profile run
|
|
|
|
+_MAX_FRAMES_PER_VIDEO = 16
|
|
|
|
+_MAX_NUM_VIDEOS = 1
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+class LlavaOnevisionVideoPixelInputs(TypedDict):
|
|
|
|
+ type: Literal["pixel_values_videos"]
|
|
|
|
+ data: Union[torch.Tensor, List[torch.Tensor]]
|
|
|
|
+ """
|
|
|
|
+ Shape: `(batch_size, num_frames, num_channels, height, width)`
|
|
|
|
+ Note that `num_frames` may be different for each batch, in which case
|
|
|
|
+ the data is passed as a list instead of a batched tensor.
|
|
|
|
+ Note that it only supports one video input for one batch.
|
|
|
|
+ """
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+class LlavaOnevisionImagePixelInputs(TypedDict):
|
|
|
|
+ type: Literal["pixel_values"]
|
|
|
|
+ data: Union[torch.Tensor, List[torch.Tensor]]
|
|
|
|
+ """
|
|
|
|
+ Shape:
|
|
|
|
+ `(batch_size * num_images, 1 + num_patches, num_channels, height, width)`
|
|
|
|
+ Note that `num_patches` may be different per batch and image,
|
|
|
|
+ in which case the data is passed as a list instead of a batched tensor.
|
|
|
|
+ """
|
|
|
|
+ image_sizes: NotRequired[torch.Tensor]
|
|
|
|
+ """
|
|
|
|
+ Shape: `(batch_size * num_images, 2)`
|
|
|
|
+ This should be in `(height, width)` format.
|
|
|
|
+ """
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+class LlavaOnevisionImageEmbeddingInputs(TypedDict):
|
|
|
|
+ type: Literal["image_embeds"]
|
|
|
|
+ data: torch.Tensor
|
|
|
|
+ """Shape: `(batch_size * num_images, image_feature_size, hidden_size)`
|
|
|
|
+ `hidden_size` must match the hidden size of language model backbone.
|
|
|
|
+ """
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+LlavaOnevisionImageInputs = Union[
|
|
|
|
+ LlavaOnevisionImagePixelInputs, LlavaOnevisionImageEmbeddingInputs
|
|
|
|
+]
|
|
|
|
+LlavaOnevisionMultiInputs = Union[
|
|
|
|
+ LlavaOnevisionImageInputs, LlavaOnevisionVideoPixelInputs
|
|
|
|
+]
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+def _get_llava_onevision_image_unppaded_feature_size(
|
|
|
|
+ height, width, patches, scale_height, scale_width
|
|
|
|
+):
|
|
|
|
+ current_height = patches * scale_height
|
|
|
|
+ current_width = patches * scale_width
|
|
|
|
+ original_aspect_ratio = width / height
|
|
|
|
+ current_aspect_ratio = current_width / current_height
|
|
|
|
+ if original_aspect_ratio > current_aspect_ratio:
|
|
|
|
+ new_height = int(height * (current_width / width))
|
|
|
|
+ padding = (current_height - new_height) // 2
|
|
|
|
+ current_height -= padding * 2
|
|
|
|
+ else:
|
|
|
|
+ new_width = int(width * (current_height / height))
|
|
|
|
+ padding = (current_width - new_width) // 2
|
|
|
|
+ current_width -= padding * 2
|
|
|
|
+ unpadded_features = current_height * current_width
|
|
|
|
+ newline_features = current_height
|
|
|
|
+ ratio = math.sqrt(current_height * current_width / (9 * patches**2))
|
|
|
|
+ if ratio > 1.1:
|
|
|
|
+ unpadded_features = int(current_height // ratio) * int(
|
|
|
|
+ current_width // ratio
|
|
|
|
+ )
|
|
|
|
+ newline_features = int(current_height // ratio)
|
|
|
|
+ return (unpadded_features, newline_features)
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+def get_llava_onevision_image_feature_size(
|
|
|
|
+ hf_config: LlavaOnevisionConfig,
|
|
|
|
+ *,
|
|
|
|
+ input_height: int,
|
|
|
|
+ input_width: int,
|
|
|
|
+) -> int:
|
|
|
|
+ vision_config = hf_config.vision_config
|
|
|
|
+ if isinstance(vision_config, CLIPVisionConfig):
|
|
|
|
+ num_patches = get_clip_patch_grid_length(
|
|
|
|
+ image_size=vision_config.image_size,
|
|
|
|
+ patch_size=vision_config.patch_size,
|
|
|
|
+ )
|
|
|
|
+ base_feature_size = get_clip_image_feature_size(vision_config)
|
|
|
|
+ elif isinstance(vision_config, SiglipVisionConfig):
|
|
|
|
+ num_patches = get_siglip_patch_grid_length(
|
|
|
|
+ image_size=vision_config.image_size,
|
|
|
|
+ patch_size=vision_config.patch_size,
|
|
|
|
+ )
|
|
|
|
+ base_feature_size = get_siglip_image_feature_size(vision_config)
|
|
|
|
+ else:
|
|
|
|
+ msg = f"Unsupported vision config: {type(vision_config)}"
|
|
|
|
+ raise NotImplementedError(msg)
|
|
|
|
+ strategy = hf_config.vision_feature_select_strategy
|
|
|
|
+ if strategy == "default":
|
|
|
|
+ base_feature_size -= 1
|
|
|
|
+ elif strategy == "full":
|
|
|
|
+ pass
|
|
|
|
+ else:
|
|
|
|
+ raise ValueError(f"Unexpected select feature strategy: {strategy}")
|
|
|
|
+ num_patch_height, num_patch_width = get_anyres_image_grid_shape(
|
|
|
|
+ image_size=(input_height, input_width),
|
|
|
|
+ grid_pinpoints=hf_config.image_grid_pinpoints,
|
|
|
|
+ patch_size=vision_config.image_size,
|
|
|
|
+ )
|
|
|
|
+ (
|
|
|
|
+ unpadded_feature_size,
|
|
|
|
+ newline_feature_size,
|
|
|
|
+ ) = _get_llava_onevision_image_unppaded_feature_size(
|
|
|
|
+ input_height,
|
|
|
|
+ input_width,
|
|
|
|
+ num_patches,
|
|
|
|
+ num_patch_height,
|
|
|
|
+ num_patch_width,
|
|
|
|
+ )
|
|
|
|
+ return unpadded_feature_size + newline_feature_size + base_feature_size
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+def get_max_llava_onevision_image_tokens(ctx: InputContext):
|
|
|
|
+ return get_llava_onevision_image_feature_size(
|
|
|
|
+ ctx.get_hf_config(LlavaOnevisionConfig),
|
|
|
|
+ input_height=MAX_IMAGE_FEATURE_SIZE_HEIGHT,
|
|
|
|
+ input_width=MAX_IMAGE_FEATURE_SIZE_WIDTH,
|
|
|
|
+ )
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+def get_llava_onevision_video_frame_feature_size(
|
|
|
|
+ hf_config: LlavaOnevisionConfig
|
|
|
|
+) -> int:
|
|
|
|
+ # Support both CLIPVisionConfig and SiglipVisionConfig
|
|
|
|
+ image_size = hf_config.vision_config.image_size
|
|
|
|
+ patch_size = hf_config.vision_config.patch_size
|
|
|
|
+ spatial_pool_stride = (
|
|
|
|
+ hf_config.spatial_pool_stride
|
|
|
|
+ if hasattr(hf_config, "spatial_pool_stride")
|
|
|
|
+ else 2
|
|
|
|
+ )
|
|
|
|
+ height = width = image_size // patch_size
|
|
|
|
+ return math.ceil(height / spatial_pool_stride) * math.ceil(
|
|
|
|
+ width / spatial_pool_stride
|
|
|
|
+ )
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+def get_llava_onevision_video_tokens(ctx: InputContext, num_frames: int) -> int:
|
|
|
|
+ hf_config = ctx.get_hf_config(LlavaOnevisionConfig)
|
|
|
|
+ # TODO: support configuring (not supported by HF right now)
|
|
|
|
+ num_token_image_newline = 1
|
|
|
|
+ tokens_per_frame = get_llava_onevision_video_frame_feature_size(hf_config)
|
|
|
|
+ video_feature_size = num_frames * tokens_per_frame + num_token_image_newline
|
|
|
|
+ return video_feature_size
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+def get_max_llava_onevision_video_tokens(ctx: InputContext) -> int:
|
|
|
|
+ return get_llava_onevision_video_tokens(ctx, _MAX_FRAMES_PER_VIDEO)
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+def dummy_data_for_llava_onevision(
|
|
|
|
+ ctx: InputContext, seq_len: int, mm_counts: Mapping[str, int]
|
|
|
|
+):
|
|
|
|
+ hf_config = ctx.get_hf_config(LlavaOnevisionConfig)
|
|
|
|
+ vision_config = hf_config.vision_config
|
|
|
|
+ # TODO: support multiple videos
|
|
|
|
+ num_videos = mm_counts["video"]
|
|
|
|
+ if num_videos > _MAX_NUM_VIDEOS:
|
|
|
|
+ raise NotImplementedError(
|
|
|
|
+ f"Only {_MAX_NUM_VIDEOS} videos are supported"
|
|
|
|
+ )
|
|
|
|
+ # TODO: support configuring the number of frames
|
|
|
|
+ num_frames = _MAX_FRAMES_PER_VIDEO
|
|
|
|
+ video_feature_size = get_llava_onevision_video_tokens(ctx, num_frames)
|
|
|
|
+ if isinstance(vision_config, CLIPVisionConfig):
|
|
|
|
+ seq_data = dummy_seq_data_for_clip(
|
|
|
|
+ vision_config,
|
|
|
|
+ seq_len,
|
|
|
|
+ num_videos,
|
|
|
|
+ image_token_id=hf_config.video_token_index,
|
|
|
|
+ image_feature_size_override=video_feature_size,
|
|
|
|
+ )
|
|
|
|
+ mm_data = dummy_video_for_clip(vision_config, num_frames=num_frames)
|
|
|
|
+ return seq_data, mm_data
|
|
|
|
+ elif isinstance(vision_config, SiglipVisionConfig):
|
|
|
|
+ seq_data = dummy_seq_data_for_siglip(
|
|
|
|
+ vision_config,
|
|
|
|
+ seq_len,
|
|
|
|
+ num_videos,
|
|
|
|
+ image_token_id=hf_config.video_token_index,
|
|
|
|
+ image_feature_size_override=video_feature_size,
|
|
|
|
+ )
|
|
|
|
+ mm_data = dummy_video_for_siglip(vision_config, num_frames=num_frames)
|
|
|
|
+ return seq_data, mm_data
|
|
|
|
+ msg = f"Unsupported vision config: {type(vision_config)}"
|
|
|
|
+ raise NotImplementedError(msg)
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+def input_processor_when_multimodal_input_image(
|
|
|
|
+ ctx: InputContext, llm_inputs: LLMInputs
|
|
|
|
+):
|
|
|
|
+ multi_modal_data = llm_inputs.get("multi_modal_data")
|
|
|
|
+ if multi_modal_data is None or "image" not in multi_modal_data:
|
|
|
|
+ return llm_inputs
|
|
|
|
+ model_config = ctx.model_config
|
|
|
|
+ hf_config = ctx.get_hf_config(LlavaOnevisionConfig)
|
|
|
|
+ vision_config = hf_config.vision_config
|
|
|
|
+ image_data = multi_modal_data["image"]
|
|
|
|
+ if isinstance(image_data, Image.Image):
|
|
|
|
+ width, height = image_data.size
|
|
|
|
+ image_feature_size = get_llava_onevision_image_feature_size(
|
|
|
|
+ hf_config,
|
|
|
|
+ input_height=height,
|
|
|
|
+ input_width=width,
|
|
|
|
+ )
|
|
|
|
+ elif is_list_of(image_data, Image.Image):
|
|
|
|
+ image_feature_size = [
|
|
|
|
+ get_llava_onevision_image_feature_size(
|
|
|
|
+ hf_config, input_height=img.height, input_width=img.width
|
|
|
|
+ )
|
|
|
|
+ for img in image_data
|
|
|
|
+ ]
|
|
|
|
+ elif isinstance(image_data, torch.Tensor):
|
|
|
|
+ num_images, image_feature_size, hidden_size = image_data.shape
|
|
|
|
+ elif is_list_of(image_data, torch.Tensor):
|
|
|
|
+ image_feature_size = [item.shape[1] for item in image_data]
|
|
|
|
+ else:
|
|
|
|
+ raise TypeError(f"Invalid image type: {type(image_data)}")
|
|
|
|
+ vision_config = hf_config.vision_config
|
|
|
|
+ if isinstance(vision_config, CLIPVisionConfig):
|
|
|
|
+ return input_processor_for_clip(
|
|
|
|
+ model_config,
|
|
|
|
+ vision_config,
|
|
|
|
+ llm_inputs,
|
|
|
|
+ image_token_id=hf_config.image_token_index,
|
|
|
|
+ image_feature_size_override=image_feature_size,
|
|
|
|
+ )
|
|
|
|
+ elif isinstance(vision_config, SiglipVisionConfig):
|
|
|
|
+ return input_processor_for_siglip(
|
|
|
|
+ model_config,
|
|
|
|
+ vision_config,
|
|
|
|
+ llm_inputs,
|
|
|
|
+ image_token_id=hf_config.image_token_index,
|
|
|
|
+ image_feature_size_override=image_feature_size,
|
|
|
|
+ )
|
|
|
|
+ msg = f"Unsupported vision config: {type(vision_config)}"
|
|
|
|
+ raise NotImplementedError(msg)
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+def input_processor_when_multimodal_input_video(
|
|
|
|
+ ctx: InputContext, llm_inputs: LLMInputs
|
|
|
|
+):
|
|
|
|
+ multi_modal_data = llm_inputs.get("multi_modal_data")
|
|
|
|
+ if multi_modal_data is None or "video" not in multi_modal_data:
|
|
|
|
+ return llm_inputs
|
|
|
|
+ video_data = multi_modal_data["video"]
|
|
|
|
+ model_config = ctx.model_config
|
|
|
|
+ hf_config = ctx.get_hf_config(LlavaOnevisionConfig)
|
|
|
|
+ vision_config = hf_config.vision_config
|
|
|
|
+ if isinstance(video_data, np.ndarray):
|
|
|
|
+ # Supports both CLIP and Siglip
|
|
|
|
+ num_frames = video_data.shape[0]
|
|
|
|
+ video_feature_size = get_llava_onevision_video_tokens(ctx, num_frames)
|
|
|
|
+ tokenizer = cached_get_tokenizer(model_config.tokenizer)
|
|
|
|
+ new_prompt, new_token_ids = repeat_and_pad_placeholder_tokens(
|
|
|
|
+ tokenizer,
|
|
|
|
+ llm_inputs.get("prompt"),
|
|
|
|
+ llm_inputs["prompt_token_ids"],
|
|
|
|
+ placeholder_token_id=hf_config.video_token_index,
|
|
|
|
+ repeat_count=video_feature_size,
|
|
|
|
+ )
|
|
|
|
+ return LLMInputs(
|
|
|
|
+ prompt_token_ids=new_token_ids,
|
|
|
|
+ prompt=new_prompt,
|
|
|
|
+ multi_modal_data=multi_modal_data,
|
|
|
|
+ )
|
|
|
|
+ elif is_list_of(video_data, np.ndarray):
|
|
|
|
+ raise NotImplementedError("Processing multiple videos is not supported")
|
|
|
|
+ msg = f"Unsupported vision config: {type(vision_config)}"
|
|
|
|
+ raise NotImplementedError(msg)
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+def input_processor_for_llava_onevision(
|
|
|
|
+ ctx: InputContext, llm_inputs: LLMInputs
|
|
|
|
+):
|
|
|
|
+ multi_modal_data = llm_inputs.get("multi_modal_data")
|
|
|
|
+ if multi_modal_data is None or (
|
|
|
|
+ "video" not in multi_modal_data and "image" not in multi_modal_data
|
|
|
|
+ ):
|
|
|
|
+ return llm_inputs
|
|
|
|
+ if "image" in multi_modal_data:
|
|
|
|
+ return input_processor_when_multimodal_input_image(ctx, llm_inputs)
|
|
|
|
+ if "video" in multi_modal_data:
|
|
|
|
+ return input_processor_when_multimodal_input_video(ctx, llm_inputs)
|
|
|
|
+ msg = "Unsupported multi data type"
|
|
|
|
+ raise NotImplementedError(msg)
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+def _init_vision_tower(hf_config: LlavaOnevisionConfig):
|
|
|
|
+ vision_config = hf_config.vision_config
|
|
|
|
+ # Initialize the vision tower only up to the required feature layer
|
|
|
|
+ vision_feature_layer = hf_config.vision_feature_layer
|
|
|
|
+ if vision_feature_layer < 0:
|
|
|
|
+ num_hidden_layers = (
|
|
|
|
+ hf_config.vision_config.num_hidden_layers + vision_feature_layer + 1
|
|
|
|
+ )
|
|
|
|
+ else:
|
|
|
|
+ num_hidden_layers = vision_feature_layer + 1
|
|
|
|
+ if isinstance(vision_config, CLIPVisionConfig):
|
|
|
|
+ return CLIPVisionModel(
|
|
|
|
+ vision_config,
|
|
|
|
+ num_hidden_layers_override=num_hidden_layers,
|
|
|
|
+ )
|
|
|
|
+ elif isinstance(vision_config, SiglipVisionConfig):
|
|
|
|
+ return SiglipVisionModel(
|
|
|
|
+ vision_config,
|
|
|
|
+ num_hidden_layers_override=num_hidden_layers,
|
|
|
|
+ )
|
|
|
|
+ msg = f"Unsupported vision config: {type(vision_config)}"
|
|
|
|
+ raise NotImplementedError(msg)
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+class LlavaOnevisionMultiModalProjector(nn.Module):
|
|
|
|
+ def __init__(self, config: LlavaOnevisionConfig):
|
|
|
|
+ super().__init__()
|
|
|
|
+ self.linear_1 = nn.Linear(
|
|
|
|
+ config.vision_config.hidden_size,
|
|
|
|
+ config.text_config.hidden_size,
|
|
|
|
+ bias=True,
|
|
|
|
+ )
|
|
|
|
+ self.act = get_act_fn(config.projector_hidden_act)
|
|
|
|
+ self.linear_2 = nn.Linear(
|
|
|
|
+ config.text_config.hidden_size,
|
|
|
|
+ config.text_config.hidden_size,
|
|
|
|
+ bias=True,
|
|
|
|
+ )
|
|
|
|
+
|
|
|
|
+ def forward(self, image_features: torch.Tensor) -> torch.Tensor:
|
|
|
|
+ hidden_states = self.linear_1(image_features)
|
|
|
|
+ hidden_states = self.act(hidden_states)
|
|
|
|
+ hidden_states = self.linear_2(hidden_states)
|
|
|
|
+ return hidden_states
|
|
|
|
+
|
|
|
|
+
|
|
|
|
+@MULTIMODAL_REGISTRY.register_image_input_mapper()
|
|
|
|
+@MULTIMODAL_REGISTRY.register_input_mapper("video")
|
|
|
|
+@MULTIMODAL_REGISTRY.register_max_multimodal_tokens(
|
|
|
|
+ "image", get_max_llava_onevision_image_tokens
|
|
|
|
+)
|
|
|
|
+@MULTIMODAL_REGISTRY.register_max_multimodal_tokens(
|
|
|
|
+ "video", get_max_llava_onevision_video_tokens
|
|
|
|
+)
|
|
|
|
+@INPUT_REGISTRY.register_dummy_data(dummy_data_for_llava_onevision)
|
|
|
|
+@INPUT_REGISTRY.register_input_processor(input_processor_for_llava_onevision)
|
|
|
|
+class LlavaOnevisionForConditionalGeneration(nn.Module, SupportsMultiModal):
|
|
|
|
+ def __init__(
|
|
|
|
+ self,
|
|
|
|
+ config: LlavaOnevisionConfig,
|
|
|
|
+ multimodal_config: MultiModalConfig,
|
|
|
|
+ cache_config: Optional[CacheConfig] = None,
|
|
|
|
+ quant_config: Optional[QuantizationConfig] = None,
|
|
|
|
+ ) -> None:
|
|
|
|
+ super().__init__()
|
|
|
|
+ self.config = config
|
|
|
|
+ self.multimodal_config = multimodal_config
|
|
|
|
+ # Initialize the vision tower only up to the required feature layer
|
|
|
|
+ self.vision_tower = _init_vision_tower(config)
|
|
|
|
+ self.multi_modal_projector = LlavaOnevisionMultiModalProjector(config)
|
|
|
|
+ self.language_model = init_aphrodite_registered_model(
|
|
|
|
+ config.text_config, cache_config, quant_config
|
|
|
|
+ )
|
|
|
|
+ self.image_newline = nn.Parameter(
|
|
|
|
+ torch.empty(config.text_config.hidden_size)
|
|
|
|
+ )
|
|
|
|
+
|
|
|
|
+ def _validate_image_sizes(self, data: torch.Tensor) -> torch.Tensor:
|
|
|
|
+ expected_dims = (2,)
|
|
|
|
+
|
|
|
|
+ def _validate_shape(d: torch.Tensor):
|
|
|
|
+ actual_dims = tuple(d.shape)
|
|
|
|
+ if actual_dims != expected_dims:
|
|
|
|
+ expected_expr = str(expected_dims)
|
|
|
|
+ raise ValueError(
|
|
|
|
+ f"The expected shape of image sizes per image per batch "
|
|
|
|
+ f"is {expected_expr}. You supplied {tuple(d.shape)}."
|
|
|
|
+ )
|
|
|
|
+
|
|
|
|
+ for d in data:
|
|
|
|
+ _validate_shape(d)
|
|
|
|
+ return data
|
|
|
|
+
|
|
|
|
+ def _validate_image_pixel_values(
|
|
|
|
+ self, data: Union[torch.Tensor, List[torch.Tensor]]
|
|
|
|
+ ) -> Union[torch.Tensor, List[torch.Tensor]]:
|
|
|
|
+ h = w = self.config.vision_config.image_size
|
|
|
|
+ expected_dims = (3, h, w)
|
|
|
|
+
|
|
|
|
+ def _validate_shape(d: torch.Tensor):
|
|
|
|
+ actual_dims = tuple(d.shape[1:])
|
|
|
|
+ if actual_dims != expected_dims:
|
|
|
|
+ expected_expr = ("num_patches", *map(str, expected_dims))
|
|
|
|
+ raise ValueError(
|
|
|
|
+ "The expected shape of pixel values per image per batch "
|
|
|
|
+ f"is {expected_expr}. You supplied {tuple(d.shape)}."
|
|
|
|
+ )
|
|
|
|
+
|
|
|
|
+ for d in data:
|
|
|
|
+ _validate_shape(d)
|
|
|
|
+ return data
|
|
|
|
+
|
|
|
|
+ def _parse_and_validate_image_input(
|
|
|
|
+ self, **kwargs: object
|
|
|
|
+ ) -> Optional[LlavaOnevisionImageInputs]:
|
|
|
|
+ pixel_values = kwargs.pop("pixel_values", None)
|
|
|
|
+ image_sizes = kwargs.pop("image_sizes", None)
|
|
|
|
+ image_embeds = kwargs.pop("image_embeds", None)
|
|
|
|
+ if pixel_values is None and image_embeds is None:
|
|
|
|
+ return None
|
|
|
|
+ if pixel_values is not None:
|
|
|
|
+ if not isinstance(pixel_values, (torch.Tensor, list)):
|
|
|
|
+ raise ValueError(
|
|
|
|
+ "Incorrect type of pixel values. "
|
|
|
|
+ f"Got type: {type(pixel_values)}"
|
|
|
|
+ )
|
|
|
|
+ if not isinstance(image_sizes, (torch.Tensor, list)):
|
|
|
|
+ raise ValueError(
|
|
|
|
+ "Incorrect type of image sizes. "
|
|
|
|
+ f"Got type: {type(image_sizes)}"
|
|
|
|
+ )
|
|
|
|
+ return LlavaOnevisionImagePixelInputs(
|
|
|
|
+ type="pixel_values",
|
|
|
|
+ data=self._validate_image_pixel_values(
|
|
|
|
+ flatten_bn(pixel_values)
|
|
|
|
+ ),
|
|
|
|
+ image_sizes=self._validate_image_sizes(
|
|
|
|
+ flatten_bn(image_sizes, concat=True)
|
|
|
|
+ ),
|
|
|
|
+ )
|
|
|
|
+ if image_embeds is not None:
|
|
|
|
+ if not isinstance(image_embeds, torch.Tensor):
|
|
|
|
+ raise ValueError(
|
|
|
|
+ "Incorrect type of image embeds. "
|
|
|
|
+ f"Got type: {type(image_embeds)}"
|
|
|
|
+ )
|
|
|
|
+ return LlavaOnevisionImageEmbeddingInputs(
|
|
|
|
+ type="image_embeds",
|
|
|
|
+ data=flatten_bn(image_embeds),
|
|
|
|
+ )
|
|
|
|
+ raise AssertionError("This line should be unreachable.")
|
|
|
|
+
|
|
|
|
+ def _validate_video_pixel_values(
|
|
|
|
+ self, data: Union[torch.Tensor, List[torch.Tensor]]
|
|
|
|
+ ) -> Union[torch.Tensor, List[torch.Tensor]]:
|
|
|
|
+ h = w = self.config.vision_config.image_size
|
|
|
|
+ expected_dims = (3, h, w)
|
|
|
|
+
|
|
|
|
+ def _validate_shape(d: torch.Tensor):
|
|
|
|
+ actual_dims = tuple(d.shape[2:])
|
|
|
|
+ if actual_dims != expected_dims:
|
|
|
|
+ expected_expr = ("num_frames", *map(str, expected_dims))
|
|
|
|
+ raise ValueError(
|
|
|
|
+ "The expected shape of pixel values in each video frame "
|
|
|
|
+ f"is {expected_expr}. You supplied {tuple(d.shape)}."
|
|
|
|
+ )
|
|
|
|
+
|
|
|
|
+ for d in data:
|
|
|
|
+ _validate_shape(d)
|
|
|
|
+ return data
|
|
|
|
+
|
|
|
|
+ def _parse_and_validate_video_input(
|
|
|
|
+ self, **kwargs: object
|
|
|
|
+ ) -> Optional[LlavaOnevisionVideoPixelInputs]:
|
|
|
|
+ """
|
|
|
|
+ A legal video input should have the following dimensions:
|
|
|
|
+ {
|
|
|
|
+ "pixel_values_videos" :
|
|
|
|
+ List[b, Tensor(nb_frames, nb_channels, height, width)]
|
|
|
|
+ }
|
|
|
|
+ """
|
|
|
|
+ pixel_values = kwargs.pop("pixel_values_videos", None)
|
|
|
|
+ if pixel_values is None:
|
|
|
|
+ return None
|
|
|
|
+ if not (
|
|
|
|
+ is_list_of(pixel_values, (torch.Tensor)) # different shape videos
|
|
|
|
+ or isinstance(pixel_values, torch.Tensor)
|
|
|
|
+ ): # same shape videos
|
|
|
|
+ raise ValueError(
|
|
|
|
+ "Incorrect type of pixel values. "
|
|
|
|
+ f"Got type: {type(pixel_values)}"
|
|
|
|
+ )
|
|
|
|
+ return LlavaOnevisionVideoPixelInputs(
|
|
|
|
+ type="pixel_values_videos",
|
|
|
|
+ data=pixel_values,
|
|
|
|
+ )
|
|
|
|
+
|
|
|
|
+ def _parse_and_validate_multimodal_inputs(self, **kwargs: object) -> dict:
|
|
|
|
+ modalities = {}
|
|
|
|
+ if "pixel_values" in kwargs:
|
|
|
|
+ modalities["images"] = self._parse_and_validate_image_input(
|
|
|
|
+ **kwargs
|
|
|
|
+ )
|
|
|
|
+ if "pixel_values_videos" in kwargs:
|
|
|
|
+ modalities["videos"] = self._parse_and_validate_video_input(
|
|
|
|
+ **kwargs
|
|
|
|
+ )
|
|
|
|
+ return modalities
|
|
|
|
+
|
|
|
|
+ def _select_image_features(
|
|
|
|
+ self, image_features: torch.Tensor, *, strategy: str
|
|
|
|
+ ) -> torch.Tensor:
|
|
|
|
+ if strategy == "default":
|
|
|
|
+ return image_features[:, 1:]
|
|
|
|
+ elif strategy == "full":
|
|
|
|
+ return image_features
|
|
|
|
+ raise ValueError(f"Unexpected select feature strategy: {strategy}")
|
|
|
|
+
|
|
|
|
+ def _image_pixels_to_features(
|
|
|
|
+ self,
|
|
|
|
+ vision_tower: Union[CLIPVisionModel, SiglipVisionModel],
|
|
|
|
+ pixel_values: torch.Tensor,
|
|
|
|
+ ) -> torch.Tensor:
|
|
|
|
+ # NOTE: we skip the step to select the vision feature layer since
|
|
|
|
+ # this is already done inside the vision tower
|
|
|
|
+ image_features = vision_tower(pixel_values)
|
|
|
|
+ return self._select_image_features(
|
|
|
|
+ image_features,
|
|
|
|
+ strategy=self.config.vision_feature_select_strategy,
|
|
|
|
+ )
|
|
|
|
+
|
|
|
|
+ # Based on: https://github.com/haotian-liu/LLaVA/blob/main/llava/model/llava_arch.py
|
|
|
|
+ def _merge_image_patch_embeddings(
|
|
|
|
+ self,
|
|
|
|
+ image_size: torch.Tensor,
|
|
|
|
+ patch_embeddings: torch.Tensor,
|
|
|
|
+ *,
|
|
|
|
+ image_newline=None,
|
|
|
|
+ vision_aspect_ratio="anyres_max_9",
|
|
|
|
+ strategy: str,
|
|
|
|
+ ) -> torch.Tensor:
|
|
|
|
+ if strategy == "flat":
|
|
|
|
+ return patch_embeddings.flatten(0, 1)
|
|
|
|
+ if strategy.startswith("spatial"):
|
|
|
|
+ height = width = (
|
|
|
|
+ self.config.vision_config.image_size
|
|
|
|
+ // self.config.vision_config.patch_size
|
|
|
|
+ )
|
|
|
|
+ base_patch_embeds = patch_embeddings[0]
|
|
|
|
+ if height * width != base_patch_embeds.shape[0]:
|
|
|
|
+ raise ValueError(
|
|
|
|
+ "The number of patches is not consistent with the "
|
|
|
|
+ "image size."
|
|
|
|
+ )
|
|
|
|
+ if patch_embeddings.shape[0] > 1:
|
|
|
|
+ other_patch_embeds = patch_embeddings[1:]
|
|
|
|
+ # Move to CPU to avoid floating-point errors
|
|
|
|
+ orig_height, orig_width = image_size.tolist()
|
|
|
|
+ # image_aspect_ratio == "anyres"
|
|
|
|
+ num_patch_height, num_patch_width = get_anyres_image_grid_shape(
|
|
|
|
+ (orig_height, orig_width),
|
|
|
|
+ self.config.image_grid_pinpoints,
|
|
|
|
+ self.config.vision_config.image_size,
|
|
|
|
+ )
|
|
|
|
+ num_patches = num_patch_height * num_patch_width
|
|
|
|
+ # Image patches might be padded for batch processing
|
|
|
|
+ other_patch_embeds = other_patch_embeds[:num_patches].view(
|
|
|
|
+ num_patch_height, num_patch_width, height, width, -1
|
|
|
|
+ )
|
|
|
|
+ if "unpad" in strategy:
|
|
|
|
+ other_patch_embeds = (
|
|
|
|
+ other_patch_embeds.permute(4, 0, 2, 1, 3)
|
|
|
|
+ .contiguous()
|
|
|
|
+ .flatten(1, 2)
|
|
|
|
+ .flatten(2, 3)
|
|
|
|
+ )
|
|
|
|
+ other_patch_embeds = unpad_image(
|
|
|
|
+ other_patch_embeds, (orig_height, orig_width)
|
|
|
|
+ )
|
|
|
|
+ max_num_patches = int(
|
|
|
|
+ vision_aspect_ratio.removeprefix("anyres_max_")
|
|
|
|
+ )
|
|
|
|
+ channels, curr_height, curr_width = other_patch_embeds.shape
|
|
|
|
+ ratio = math.sqrt(
|
|
|
|
+ curr_height * curr_width / (max_num_patches * height**2)
|
|
|
|
+ )
|
|
|
|
+ if ratio > 1.1:
|
|
|
|
+ other_patch_embeds = other_patch_embeds[None]
|
|
|
|
+ other_patch_embeds = nn.functional.interpolate(
|
|
|
|
+ other_patch_embeds,
|
|
|
|
+ [
|
|
|
|
+ int(curr_height // ratio),
|
|
|
|
+ int(curr_width // ratio),
|
|
|
|
+ ],
|
|
|
|
+ mode="bilinear",
|
|
|
|
+ )[0]
|
|
|
|
+ if image_newline is not None:
|
|
|
|
+ other_patch_embeds = torch.cat(
|
|
|
|
+ (
|
|
|
|
+ other_patch_embeds,
|
|
|
|
+ image_newline[:, None, None]
|
|
|
|
+ .expand(*other_patch_embeds.shape[:-1], 1)
|
|
|
|
+ .to(other_patch_embeds.device),
|
|
|
|
+ ),
|
|
|
|
+ dim=-1,
|
|
|
|
+ )
|
|
|
|
+ other_patch_embeds = other_patch_embeds.flatten(
|
|
|
|
+ 1, 2
|
|
|
|
+ ).transpose(0, 1)
|
|
|
|
+ else:
|
|
|
|
+ other_patch_embeds = (
|
|
|
|
+ other_patch_embeds.permute(0, 2, 1, 3, 4)
|
|
|
|
+ .contiguous()
|
|
|
|
+ .flatten(0, 3)
|
|
|
|
+ )
|
|
|
|
+ merged_patch_embeddings = torch.cat(
|
|
|
|
+ (base_patch_embeds, other_patch_embeds), dim=0
|
|
|
|
+ )
|
|
|
|
+ else:
|
|
|
|
+ if "unpad" in strategy:
|
|
|
|
+ merged_patch_embeddings = torch.cat(
|
|
|
|
+ (
|
|
|
|
+ base_patch_embeds,
|
|
|
|
+ self.image_newline[None].to(
|
|
|
|
+ base_patch_embeds.device
|
|
|
|
+ ),
|
|
|
|
+ ),
|
|
|
|
+ dim=0,
|
|
|
|
+ )
|
|
|
|
+ else:
|
|
|
|
+ merged_patch_embeddings = base_patch_embeds
|
|
|
|
+ return merged_patch_embeddings
|
|
|
|
+ raise ValueError(f"Unexpected patch merge strategy: {strategy}")
|
|
|
|
+
|
|
|
|
+ def _process_image_pixels(
|
|
|
|
+ self,
|
|
|
|
+ inputs: LlavaOnevisionImagePixelInputs,
|
|
|
|
+ ) -> Union[torch.Tensor, List[torch.Tensor]]:
|
|
|
|
+ assert self.vision_tower is not None
|
|
|
|
+ pixel_values = inputs["data"]
|
|
|
|
+ if isinstance(pixel_values, torch.Tensor):
|
|
|
|
+ b, num_patches, c, h, w = pixel_values.shape
|
|
|
|
+ stacked_pixel_values = pixel_values.view(b * num_patches, c, h, w)
|
|
|
|
+ stacked_image_features = self._image_pixels_to_features(
|
|
|
|
+ self.vision_tower, stacked_pixel_values
|
|
|
|
+ )
|
|
|
|
+ stacked_patch_embeddings = self.multi_modal_projector(
|
|
|
|
+ stacked_image_features
|
|
|
|
+ )
|
|
|
|
+ return stacked_patch_embeddings.view(
|
|
|
|
+ b, num_patches, *stacked_patch_embeddings.shape[1:]
|
|
|
|
+ )
|
|
|
|
+ num_patches_per_batch = [v.shape[0] for v in pixel_values]
|
|
|
|
+ stacked_pixel_values = torch.cat(pixel_values)
|
|
|
|
+ stacked_image_features = self._image_pixels_to_features(
|
|
|
|
+ self.vision_tower, stacked_pixel_values
|
|
|
|
+ )
|
|
|
|
+ return [
|
|
|
|
+ self.multi_modal_projector(image_features)
|
|
|
|
+ for image_features in torch.split(
|
|
|
|
+ stacked_image_features, num_patches_per_batch
|
|
|
|
+ )
|
|
|
|
+ ]
|
|
|
|
+
|
|
|
|
+ def _process_image_input(
|
|
|
|
+ self,
|
|
|
|
+ image_input: LlavaOnevisionImageInputs,
|
|
|
|
+ ) -> Union[torch.Tensor, List[torch.Tensor]]:
|
|
|
|
+ if image_input["type"] == "image_embeds":
|
|
|
|
+ return [image_input["data"]]
|
|
|
|
+ patch_embeddings = self._process_image_pixels(image_input)
|
|
|
|
+ image_sizes = image_input.get("image_sizes")
|
|
|
|
+ if image_sizes is None:
|
|
|
|
+ batch_size = len(image_input["data"])
|
|
|
|
+ vision_config = self.config.vision_config
|
|
|
|
+ default_height = default_width = vision_config.image_size
|
|
|
|
+ image_sizes = torch.as_tensor(
|
|
|
|
+ [[default_height, default_width] for _ in range(batch_size)]
|
|
|
|
+ )
|
|
|
|
+ return [
|
|
|
|
+ self._merge_image_patch_embeddings(
|
|
|
|
+ image_sizes[i],
|
|
|
|
+ patch_features_batch,
|
|
|
|
+ image_newline=self.image_newline,
|
|
|
|
+ strategy="spatial_unpad",
|
|
|
|
+ )
|
|
|
|
+ for i, patch_features_batch in enumerate(patch_embeddings)
|
|
|
|
+ ]
|
|
|
|
+
|
|
|
|
+ def _video_pixels_to_features(
|
|
|
|
+ self,
|
|
|
|
+ vision_tower: Union[CLIPVisionModel, SiglipVisionModel],
|
|
|
|
+ pixel_values: torch.Tensor,
|
|
|
|
+ ) -> torch.Tensor:
|
|
|
|
+ # NOTE: we skip the step to select the vision feature layer since
|
|
|
|
+ # this is already done inside the vision tower
|
|
|
|
+ b, num_videos, frames, c, h, w = pixel_values.shape
|
|
|
|
+ assert num_videos == _MAX_NUM_VIDEOS
|
|
|
|
+ pixel_values = pixel_values.reshape(b * num_videos * frames, c, h, w)
|
|
|
|
+ video_features = vision_tower(pixel_values)
|
|
|
|
+ video_features = self._select_image_features(
|
|
|
|
+ video_features,
|
|
|
|
+ strategy=self.config.vision_feature_select_strategy,
|
|
|
|
+ )
|
|
|
|
+ video_features = self.multi_modal_projector(video_features)
|
|
|
|
+ video_features = self.apply_pooling(video_features)
|
|
|
|
+ video_features = video_features.reshape(
|
|
|
|
+ b, frames * video_features.shape[1], -1
|
|
|
|
+ )
|
|
|
|
+ image_newline = (
|
|
|
|
+ self.image_newline[None, None, :]
|
|
|
|
+ .repeat(b, 1, 1)
|
|
|
|
+ .to(video_features.device)
|
|
|
|
+ )
|
|
|
|
+ video_features = torch.cat((video_features, image_newline), dim=1)
|
|
|
|
+ video_features = video_features.flatten(0, 1)
|
|
|
|
+ return video_features
|
|
|
|
+
|
|
|
|
+ def _process_video_pixels(self, inputs: LlavaOnevisionVideoPixelInputs):
|
|
|
|
+ assert self.vision_tower is not None
|
|
|
|
+ video_pixels = inputs["data"]
|
|
|
|
+ # TODO: support multiple videos per input
|
|
|
|
+ if isinstance(video_pixels, torch.Tensor):
|
|
|
|
+ stacked_embeddings = self._video_pixels_to_features(
|
|
|
|
+ self.vision_tower, video_pixels
|
|
|
|
+ )
|
|
|
|
+ return stacked_embeddings
|
|
|
|
+ else:
|
|
|
|
+ raise ValueError(
|
|
|
|
+ f"Unsupported type of video input {type(video_pixels)}"
|
|
|
|
+ )
|
|
|
|
+
|
|
|
|
+ def apply_pooling(self, image_features, stride=2):
|
|
|
|
+ vision_config = self.config.vision_config
|
|
|
|
+ height = width = vision_config.image_size // vision_config.patch_size
|
|
|
|
+ batch_frames, _, dim = image_features.shape
|
|
|
|
+ image_features = image_features.view(batch_frames, height, width, -1)
|
|
|
|
+ image_features = image_features.permute(0, 3, 1, 2)
|
|
|
|
+ # TODO support other pooling types config
|
|
|
|
+ height, width = image_features.shape[2:]
|
|
|
|
+ scaled_shape = [math.ceil(height / stride), math.ceil(width / stride)]
|
|
|
|
+ image_feature = nn.functional.interpolate(
|
|
|
|
+ image_features, size=scaled_shape, mode="bilinear"
|
|
|
|
+ )
|
|
|
|
+ image_feature = image_feature.permute(0, 2, 3, 1)
|
|
|
|
+ image_feature = image_feature.view(batch_frames, -1, dim)
|
|
|
|
+ return image_feature
|
|
|
|
+
|
|
|
|
+ def forward(
|
|
|
|
+ self,
|
|
|
|
+ input_ids: torch.Tensor,
|
|
|
|
+ positions: torch.Tensor,
|
|
|
|
+ kv_caches: List[torch.Tensor],
|
|
|
|
+ attn_metadata: AttentionMetadata,
|
|
|
|
+ intermediate_tensors: Optional[IntermediateTensors] = None,
|
|
|
|
+ **kwargs: object,
|
|
|
|
+ ) -> SamplerOutput:
|
|
|
|
+ """Run forward pass for LlaVA-Onevision.
|
|
|
|
+ Args:
|
|
|
|
+ input_ids: Flattened (concatenated) input_ids corresponding to a
|
|
|
|
+ batch.
|
|
|
|
+ pixel_values_videos: Pixels in each frames for each input videos.
|
|
|
|
+ """
|
|
|
|
+ modalities = self._parse_and_validate_multimodal_inputs(**kwargs)
|
|
|
|
+ # merge video embeddings into input embeddings
|
|
|
|
+ if modalities:
|
|
|
|
+ inputs_embeds = self.language_model.model.get_input_embeddings(
|
|
|
|
+ input_ids
|
|
|
|
+ )
|
|
|
|
+ if "images" in modalities:
|
|
|
|
+ image_input = modalities["images"]
|
|
|
|
+ vision_embeddings = self._process_image_input(image_input)
|
|
|
|
+ inputs_embeds = merge_multimodal_embeddings(
|
|
|
|
+ input_ids,
|
|
|
|
+ inputs_embeds,
|
|
|
|
+ vision_embeddings,
|
|
|
|
+ self.config.image_token_index,
|
|
|
|
+ )
|
|
|
|
+ if "videos" in modalities:
|
|
|
|
+ video_input = modalities["videos"]
|
|
|
|
+ video_embeddings = self._process_video_pixels(video_input)
|
|
|
|
+ inputs_embeds = merge_multimodal_embeddings(
|
|
|
|
+ input_ids,
|
|
|
|
+ inputs_embeds,
|
|
|
|
+ video_embeddings,
|
|
|
|
+ self.config.video_token_index,
|
|
|
|
+ )
|
|
|
|
+ input_ids = None
|
|
|
|
+ else:
|
|
|
|
+ inputs_embeds = None
|
|
|
|
+ hidden_states = self.language_model.model(
|
|
|
|
+ input_ids,
|
|
|
|
+ positions,
|
|
|
|
+ kv_caches,
|
|
|
|
+ attn_metadata,
|
|
|
|
+ None,
|
|
|
|
+ inputs_embeds=inputs_embeds,
|
|
|
|
+ )
|
|
|
|
+ return hidden_states
|
|
|
|
+
|
|
|
|
+ def compute_logits(
|
|
|
|
+ self,
|
|
|
|
+ hidden_states: torch.Tensor,
|
|
|
|
+ sampling_metadata: SamplingMetadata,
|
|
|
|
+ ) -> Optional[torch.Tensor]:
|
|
|
|
+ return self.language_model.compute_logits(
|
|
|
|
+ hidden_states, sampling_metadata
|
|
|
|
+ )
|
|
|
|
+
|
|
|
|
+ def sample(
|
|
|
|
+ self,
|
|
|
|
+ logits: torch.Tensor,
|
|
|
|
+ sampling_metadata: SamplingMetadata,
|
|
|
|
+ ) -> Optional[SamplerOutput]:
|
|
|
|
+ return self.language_model.sample(logits, sampling_metadata)
|
|
|
|
+
|
|
|
|
+ def load_weights(self, weights: Iterable[Tuple[str, torch.Tensor]]):
|
|
|
|
+ # prepare weight iterators for components
|
|
|
|
+ weights_group = group_weights_with_prefix(weights)
|
|
|
|
+ # load vision encoder
|
|
|
|
+ self.vision_tower.load_weights(weights_group["vision_tower"])
|
|
|
|
+ # load mlp projector
|
|
|
|
+ mlp_params_dict = dict(self.multi_modal_projector.named_parameters())
|
|
|
|
+ for name, loaded_weight in weights_group["multi_modal_projector"]:
|
|
|
|
+ param = mlp_params_dict[name]
|
|
|
|
+ weight_loader = getattr(
|
|
|
|
+ param, "weight_loader", default_weight_loader
|
|
|
|
+ )
|
|
|
|
+ weight_loader(param, loaded_weight)
|
|
|
|
+ # load llm backbone
|
|
|
|
+ self.language_model.load_weights(weights_group["language_model"])
|