[XPU] modify speculate_verify

[RuohengMa]

Motivation

modify speculate_verify

Modifications

modify speculate_verify

Usage or Command

No

Accuracy Tests

Passed.

Checklist

• [ ] Add at least a tag in the PR title.
  • Tag list: [[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]]
  • You can add new tags based on the PR content, but the semantics must be clear.
• [ ] Format your code, run pre-commit before commit.
• [ ] Add unit tests. Please write the reason in this PR if no unit tests.
• [ ] Provide accuracy results.
• [ ] If the current PR is submitting to the release branch, make sure the PR has been submitted to the develop branch, then cherry-pick it to the release branch with the [Cherry-Pick] PR tag.

[paddle-bot[bot]]

Thanks for your contribution!

[codecov-commenter]

Codecov Report

:x: Patch coverage is 50.00000% with 2 lines in your changes missing coverage. Please review. :warning: Please upload report for BASE (develop@4f830aa). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
fastdeploy/model_executor/layers/sample/sampler.py	50.00%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             develop    #5522   +/-   ##
==========================================
  Coverage           ?   64.57%           
==========================================
  Files              ?      329           
  Lines              ?    41781           
  Branches           ?     6396           
==========================================
  Hits               ?    26978           
  Misses             ?    12757           
  Partials           ?     2046           

Flag	Coverage Δ
GPU	64.57% <50.00%> (?)

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