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Fix stuck in get_new_prefill_batch #948

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Merged
hnyls2002 merged 1 commit into from
Aug 6, 2024
Merged

Fix stuck in get_new_prefill_batch #948

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9 changes: 5 additions & 4 deletions python/sglang/srt/managers/tp_worker.py
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Original file line number Diff line number Diff line change
Expand Up @@ -364,12 +364,13 @@ def get_new_prefill_batch(self) -> Optional[Batch]:
# Compute matched prefix length
for req in self.waiting_queue:
req.input_ids = req.origin_input_ids + req.output_ids
try_match_ids = req.input_ids
if req.return_logprob:
try_match_ids = req.input_ids[: req.logprob_start_len]
# NOTE: the prefix_indices must always be aligned with last_node
prefix_indices, last_node = self.tree_cache.match_prefix(
rid=req.rid,
key=req.input_ids,
rid=req.rid, key=try_match_ids
)
if req.return_logprob:
prefix_indices = prefix_indices[: req.logprob_start_len]
req.extend_input_len = len(req.input_ids) - len(prefix_indices)
req.prefix_indices = prefix_indices
req.last_node = last_node
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