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[Core] Avoid repeated len(block_token_ids) check in hash_request_tokens (#21781)

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Signed-off-by: linzebing <linzebing1995@gmail.com>
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Zebing Lin 2025-08-01 03:23:29 -04:00 committed by GitHub
parent b4e081cb15
commit e0f63e4a35
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1 changed files with 2 additions and 4 deletions
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6
vllm/v1/core/kv_cache_utils.py
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@ -567,12 +567,10 @@ def hash_request_tokens(hash_function: Any, block_size: int,
ret = []
parent_block_hash_value = None
for start in range(0, len(token_ids), block_size):
# Only full blocks will be hashed
for start in range(0, len(token_ids) - block_size + 1, block_size):
end = start + block_size
block_token_ids = token_ids[start:end]
# Do not hash the block if it is not full.
if len(block_token_ids) < block_size:
break
if req_need_extra_keys:
# MM and LoRA requests need extra keys for block-hash computation.