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Fix input logprob index (#9841)

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Co-authored-by: Sheng Shen <sheng.s@berkeley.edu>
This commit is contained in:
Lianmin Zheng
2025-08-31 02:56:47 -07:00
committed by GitHub
parent f05c68733e
commit 25c7395934
1 changed files with 20 additions and 18 deletions
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38
python/sglang/srt/managers/scheduler_output_processor_mixin.py
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@@ -93,20 +93,21 @@ class SchedulerOutputProcessorMixin:
# This updates radix so others can match
self.tree_cache.cache_unfinished_req(req)
if req.return_logprob:
if batch.return_logprob:
assert extend_logprob_start_len_per_req is not None
assert extend_input_len_per_req is not None
extend_logprob_start_len = extend_logprob_start_len_per_req[i]
extend_input_len = extend_input_len_per_req[i]
num_input_logprobs = extend_input_len - extend_logprob_start_len
self.add_logprob_return_values(
i,
req,
logprob_pt,
next_token_ids,
num_input_logprobs,
logits_output,
)
if req.return_logprob:
self.add_logprob_return_values(
i,
req,
logprob_pt,
next_token_ids,
num_input_logprobs,
logits_output,
)
logprob_pt += num_input_logprobs
if (
@@ -146,7 +147,7 @@ class SchedulerOutputProcessorMixin:
skip_stream_req = req
# Incrementally update input logprobs.
if req.return_logprob:
if batch.return_logprob:
extend_logprob_start_len = extend_logprob_start_len_per_req[i]
extend_input_len = extend_input_len_per_req[i]
if extend_logprob_start_len < extend_input_len:
@@ -154,14 +155,15 @@ class SchedulerOutputProcessorMixin:
num_input_logprobs = (
extend_input_len - extend_logprob_start_len
)
self.add_input_logprob_return_values(
i,
req,
logits_output,
logprob_pt,
num_input_logprobs,
last_prefill_chunk=False,
)
if req.return_logprob:
self.add_input_logprob_return_values(
i,
req,
logits_output,
logprob_pt,
num_input_logprobs,
last_prefill_chunk=False,
)
logprob_pt += num_input_logprobs
self.set_next_batch_sampling_info_done(batch)