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A high-throughput and memory-efficient inference and serving engine for LLMs

Mirrored from https://github.com/tduncan-lum/Nvidia-Optimization-Stack---VLLM.git

Synced Nov 14, 05:30 UTC

Migrate skyworkr1v inputs to TensorSchema (#23499)

Signed-off-by: Benji Beck <benjibeck@meta.com>

Benji Beck committed Aug 24, 2025 at 21:43 UTC a5203d04dffcbdb095651ca4bf06589409370301
1 file changed +36 -38
vllm/model_executor/models/skyworkr1v.py
+36 -38
@@ -8,7 +8,7 @@
8 # Licensed under The MIT License [see LICENSE for details]
9 # --------------------------------------------------------
10 from collections.abc import Iterable, Mapping, Sequence
11 -from typing import Literal, Optional, TypedDict, Union
11 +from typing import Annotated, Literal, Optional, Union
12
13 import torch
14 import torch.nn as nn
@@ -35,6 +35,7 @@ from vllm.multimodal.processing import (BaseMultiModalProcessor,
35 from vllm.multimodal.profiling import BaseDummyInputsBuilder
36 from vllm.sequence import IntermediateTensors
37 from vllm.transformers_utils.tokenizer import AnyTokenizer
38 +from vllm.utils.tensor_schema import TensorSchema, TensorShape
39
40 from .interfaces import MultiModalEmbeddings, SupportsMultiModal, SupportsPP
41 from .utils import (AutoWeightsLoader, flatten_bn, init_vllm_registered_model,
@@ -48,27 +49,42 @@ IMAGENET_MEAN = (0.485, 0.456, 0.406)
49 IMAGENET_STD = (0.229, 0.224, 0.225)
50
51
51 -class SkyworkR1VImagePixelInputs(TypedDict):
52 - type: Literal["pixel_values"]
53 - pixel_values_flat: torch.Tensor
52 +class SkyworkR1VImagePixelInputs(TensorSchema):
53 """
55 - Shape:
56 - `(batch_size * num_images * (1 + num_patches), num_channels, height, width)`
54 + Dimensions:
55 + - bnp: Batch size * number of images * (1 + num_patches)
56 + - c: Number of channels (3)
57 + - h: Height
58 + - w: Width
59 + - bn: Batch size * number of images
60 """
61 + type: Literal["pixel_values"] = "pixel_values"
62
59 - num_patches: torch.Tensor
60 - """Shape: `(batch_size * num_images)`"""
63 + pixel_values_flat: Annotated[
64 + torch.Tensor,
65 + TensorShape("bnp", 3, "h", "w"),
66 + ]
67
68 + num_patches: Annotated[
69 + torch.Tensor,
70 + TensorShape("bn"),
71 + ]
72
63 -class SkyworkR1VImageEmbeddingInputs(TypedDict):
64 - type: Literal["image_embeds"]
65 - data: Union[torch.Tensor, list[torch.Tensor]]
66 - """
67 - A tensor of shape `(num_images, total_image_feature_size, hidden_size)`
68 - or a list of tensors of shape `(total_image_feature_size, hidden_size)`
73
70 - `hidden_size` must match the hidden size of language model backbone.
74 +class SkyworkR1VImageEmbeddingInputs(TensorSchema):
75 """
76 + Dimensions:
77 + - ni: Number of images
78 + - ifs: Image feature size
79 + - hs: Hidden size (must match the hidden size of language model
80 + backbone)
81 + """
82 + type: Literal["image_embeds"] = "image_embeds"
83 +
84 + data: Annotated[
85 + Union[torch.Tensor, list[torch.Tensor]],
86 + TensorShape("ni", "ifs", "hs"),
87 + ]
88
89
90 SkyworkR1VImageInputs = Union[SkyworkR1VImagePixelInputs,
@@ -731,26 +747,6 @@ class SkyworkR1VChatModel(nn.Module, SupportsMultiModal, SupportsPP):
747 vit_embeds = self.mlp1(vit_embeds)
748 return vit_embeds
749
734 - def _validate_pixel_values(self, data: torch.Tensor) -> torch.Tensor:
735 -
736 - h = w = self.config.vision_config.image_size
737 - expected_dims = (3, h, w)
738 -
739 - def _validate_shape(d: torch.Tensor):
740 - actual_dims = tuple(d.shape)
741 -
742 - if actual_dims != expected_dims:
743 - expected_expr = str(expected_dims)
744 - raise ValueError(
745 - "The expected shape of pixel values per image per batch "
746 - f" per patch is {expected_expr}. "
747 - f"You supplied {tuple(d.shape)}.")
748 -
749 - for d in data:
750 - _validate_shape(d)
751 -
752 - return data
753 -
750 def _parse_and_validate_image_input(
751 self, **kwargs: object) -> Optional[SkyworkR1VImageInputs]:
752 pixel_values_flat = kwargs.pop("pixel_values_flat", None)
@@ -788,10 +784,12 @@ class SkyworkR1VChatModel(nn.Module, SupportsMultiModal, SupportsPP):
784
785 return SkyworkR1VImagePixelInputs(
786 type="pixel_values",
791 - pixel_values_flat=self._validate_pixel_values(
792 - pixel_values_flat),
787 + pixel_values_flat=pixel_values_flat,
788 num_patches=image_num_patches,
794 - )
789 + resolve_bindings={
790 + "h": self.config.vision_config.image_size,
791 + "w": self.config.vision_config.image_size,
792 + })
793
794 raise AssertionError("This line should be unreachable.")
795