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[Perf][Easy] Early stop in request_block_hasher (#26112)

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Signed-off-by: Jialin Ouyang <Jialin.Ouyang@gmail.com>
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Jialin Ouyang 2025-10-05 01:46:03 -07:00 committed by GitHub
parent e0986ea07b
commit 201c971e96
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4
vllm/v1/core/kv_cache_utils.py
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@ -585,6 +585,10 @@ def get_request_block_hasher(
start_token_idx = len(request.block_hashes) * block_size
num_tokens = request.num_tokens
if start_token_idx + block_size > num_tokens:
# Early stop when there no new full blocks created.
return []
curr_mm_idx = 0
if start_token_idx > 0:
# Set curr_mm_idx = -1 to indicate the last mm input.