[RL]Perf: Optimize batch delete prefix and fused put in R3

[gongshaotian]

Motivation

TODO:

• Cherry-pick to develop, release/2.5

1. The transmission performance under the Fused put mode has been optimized, and now bytes are used for transmission
2. Optimize the prefix removal performance of P2PStore in the trajectory splitting scenario. Before optimization, the prefix removal overhead was in the hour-level when dealing with a million-level total number of keys

Modifications

1. RoutingReplayManager: refine submit task code
   2.RDMAStore: opt the performance of delete_prefix_batch and put()

Usage or Command

Pass

Accuracy Tests

Pass

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]

Thanks for your contribution!

[codecov-commenter]

Codecov Report

❌ Patch coverage is 22.72727% with 17 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (release/2.4@7d76fd4). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
...model_executor/layers/moe/routing_indices_cache.py	5.55%	17 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff               @@
##             release/2.4    #6604   +/-   ##
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  Coverage               ?   56.30%           
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  Files                  ?      333           
  Lines                  ?    42378           
  Branches               ?     6451           
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  Hits                   ?    23861           
  Misses                 ?    16652           
  Partials               ?     1865           

Flag	Coverage Δ
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