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Unverified Commit d69ff0cb authored by Tao He's avatar Tao He Committed by GitHub
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Fixes assertion failure in prefix caching: the lora index mapping should respect prefix_len (#2688) 


Signed-off-by: default avatarTao He <sighingnow@gmail.com>
parent 1af090b5
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vllm/worker/model_runner.py
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...@@ -142,10 +142,10 @@ class ModelRunner: ...@@ -142,10 +142,10 @@ class ModelRunner:
if lora_id > 0: if lora_id > 0:
lora_requests.add(seq_group_metadata.lora_request) lora_requests.add(seq_group_metadata.lora_request)
lora_index_mapping.append([lora_id] * prompt_len) lora_index_mapping.append([lora_id] * (prompt_len - prefix_len))
lora_prompt_mapping.extend( lora_prompt_mapping.extend(
[lora_id] * [lora_id] *
(prompt_len (prompt_len - prefix_len
if seq_group_metadata.sampling_params.prompt_logprobs else 1)) if seq_group_metadata.sampling_params.prompt_logprobs else 1))
if seq_group_metadata.block_tables is None: if seq_group_metadata.block_tables is None:
......
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