34051ad714
Signed-off-by: Harshal Janjani <harshaljanjani@gmail.com> Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com> Co-authored-by: Harry Mellor <19981378+hmellor@users.noreply.github.com> Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
101 lines
3.3 KiB
Python
101 lines
3.3 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
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from typing import Any
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import pytest
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from transformers import AutoModelForImageTextToText
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from vllm.assets.video import VideoAsset
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from vllm.envs import disable_envs_cache
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from ....conftest import HfRunner, VllmRunner
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from ...utils import check_logprobs_close
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from .vlm_utils import model_utils
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VIDEO_ASSET = VideoAsset("baby_reading", num_frames=8)
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VIDEO_MODEL_SETTINGS: dict[str, dict[str, Any]] = {
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"Qwen/Qwen3-VL-2B-Instruct": {
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"prompt": (
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"<|im_start|>user\n"
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"<|vision_start|><|video_pad|><|vision_end|>"
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"Describe this video.<|im_end|>\n"
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"<|im_start|>assistant\n"
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),
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},
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"llava-hf/llava-onevision-qwen2-0.5b-ov-hf": {
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"prompt": (
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"<|im_start|>user <video>\nDescribe this video.<|im_end|>"
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"<|im_start|>assistant\n"
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),
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},
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"CohereLabs/North-Micro-Vision-Instruct": {
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"prompt": (
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"<BOS_TOKEN><|START_OF_TURN_TOKEN|><|USER_TOKEN|>"
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"<|VISION_START|><|VIDEO_PAD|><|VISION_END|>Describe this video."
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"<|END_OF_TURN_TOKEN|><|START_OF_TURN_TOKEN|><|CHATBOT_TOKEN|>"
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),
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},
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"Qwen/Qwen2.5-VL-3B-Instruct": {
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"prompt": (
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"<|im_start|>system\nYou are a helpful assistant.<|im_end|>\n"
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"<|im_start|>user\n"
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"<|vision_start|><|video_pad|><|vision_end|>"
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"Describe this video.<|im_end|>\n"
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"<|im_start|>assistant\n"
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),
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},
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}
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@pytest.fixture(autouse=True)
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def use_spawn_for_video_models(monkeypatch):
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"""Single-process workaround for V1 fork safety deadlock issue
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(vllm-project/vllm/issues/17676). Running multiple video models together
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under pytest can cause (possibly flaky) hangs, so they are grouped under
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the same config. Using VLLM_WORKER_MULTIPROC_METHOD=spawn avoids the
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deadlock and allows worker processes to terminate cleanly, and release
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GPU memory between test runs until the issue is fixed."""
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# TODO: Remove monkeypatch once
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# https://github.com/vllm-project/vllm/issues/17676 is fixed.
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disable_envs_cache()
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monkeypatch.setenv("VLLM_WORKER_MULTIPROC_METHOD", "spawn")
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@pytest.mark.parametrize("model_id", list(VIDEO_MODEL_SETTINGS))
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def test_transformers_video_generation(
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hf_runner: type[HfRunner],
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vllm_runner: type[VllmRunner],
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model_id: str,
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):
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prompt = VIDEO_MODEL_SETTINGS[model_id]["prompt"]
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video = (VIDEO_ASSET.np_ndarrays, VIDEO_ASSET.metadata)
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with vllm_runner(
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model_id,
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model_impl="transformers",
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dtype="bfloat16",
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max_model_len=8192,
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enforce_eager=True,
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limit_mm_per_prompt={"video": 1},
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) as vllm_model:
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vllm_outputs = vllm_model.generate_greedy_logprobs(
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[prompt], 128, num_logprobs=10, videos=[video]
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)
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with hf_runner(
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model_id, dtype="bfloat16", auto_cls=AutoModelForImageTextToText
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) as hf_model:
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hf_model = model_utils.qwen3_vl_patch_hf_runner(hf_model)
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hf_outputs = hf_model.generate_greedy_logprobs_limit(
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[prompt], 128, num_logprobs=10, videos=[video]
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)
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check_logprobs_close(
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outputs_0_lst=hf_outputs,
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outputs_1_lst=vllm_outputs,
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name_0="hf",
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name_1="vllm",
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)
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