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[perf] Optimize Qwen2-VL Startup Performance with LRU Cache #27533

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[perf] Optimize Qwen2-VL Startup Performance with LRU Cache #27533

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3 changes: 2 additions & 1 deletion vllm/model_executor/models/qwen2_vl.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@

import math
from collections.abc import Callable, Iterable, Mapping, Sequence
from functools import partial
from functools import lru_cache, partial
from typing import Annotated, Any, Literal, TypeAlias

import torch
Expand Down Expand Up @@ -1034,6 +1034,7 @@ def get_num_video_tokens(
)
return num_video_tokens

@lru_cache(maxsize=128) # noqa: B019
def get_image_size_with_most_features(self) -> ImageSize:
max_image_size, _ = self._get_vision_info(
image_width=9999999,
Expand Down