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[Models][Qwen3VL] Fix MM encoder cuda graph input capture #42639

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[Models][Qwen3VL] Fix MM encoder cuda graph input capture #42639

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3 changes: 2 additions & 1 deletion vllm/model_executor/models/qwen3_vl.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1923,7 +1923,8 @@ def prepare_encoder_cudagraph_capture_inputs(
)

spatial_merge_size = self.visual.spatial_merge_size
per_mm_item_output = token_budget // max_batch_size
# Use ceil so captured capacity is never smaller than token_budget.
per_mm_item_output = (token_budget + max_batch_size - 1) // max_batch_size

frames_per_item = max_frames_per_batch // max_batch_size
if frames_per_item > 1:
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