[Optimization] compulte real max_logprobs in batch#5430
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yuanlehome
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Dec 8, 2025
| self.top_p_normalized_logprobs = True | ||
| self.prompt_logprobs_reqs: dict[str, Request] = {} | ||
| self.in_progress_prompt_logprobs: dict[str, LogprobsTensors] = {} | ||
| self.forward_batch_reqs_list: list[Request] = [None for _ in range(self.scheduler_config.max_num_seqs)] |
yuanlehome
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Dec 8, 2025
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+188
| logprobs = d.get("logprobs", None) | ||
| if logprobs is not None: | ||
| if logprobs is True: | ||
| sampling_params.logprobs = d.get("top_logprobs", None) | ||
| elif logprobs is False: | ||
| sampling_params.logprobs = None |
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精简一下
Suggested change
| logprobs = d.get("logprobs", None) | |
| if logprobs is not None: | |
| if logprobs is True: | |
| sampling_params.logprobs = d.get("top_logprobs", None) | |
| elif logprobs is False: | |
| sampling_params.logprobs = None | |
| logprobs = d.get("logprobs", None) | |
| if logprobs: | |
| sampling_params.logprobs = d.get("top_logprobs", None) | |
| else: | |
| sampling_params.logprobs = None |
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logprobs可能为true、false和int值[-1, 0, 1, 2,....]，chat接口需要将bool类型映射到数字或者None。
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yuanlehome
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Dec 9, 2025
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Motivation
每次根据batch 请求中的真实的logprob计算，相比每次按照最大20计算，端到端性能提升10%
Modifications
无改变
Usage or Command
无改变
Accuracy Tests
已存在
Checklist
[FDConfig],[APIServer],[Engine],[Scheduler],[PD Disaggregation],[Executor],[Graph Optimization],[Speculative Decoding],[RL],[Models],[Quantization],[Loader],[OP],[KVCache],[DataProcessor],[BugFix],[Docs],[CI],[Optimization],[Feature],[Benchmark],[Others],[XPU],[HPU],[GCU],[DCU],[Iluvatar],[Metax]]pre-commitbefore commit.releasebranch, make sure the PR has been submitted to thedevelopbranch, then cherry-pick it to thereleasebranch with the[Cherry-Pick]PR tag.