【Infer】MLA matrix absorption separation

[ckl117]

Before submitting

• Lint code. If there are lint issues, please format the code first.

# Install and register `pre-commit` in the project folder
pip install pre-commit && pre-commit install

# Process previous code files separately
pre-commit run --file XXXX.py

• Add test cases into tests folder. If there are codecov issues, please add tests cases first.

PR types

Performance optimization

PR changes

Others

Description

DeepSeeK MLA矩阵吸收分离，降低显存占用，提高极限吞吐性能。

[paddle-bot]

Thanks for your contribution!

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 70 lines in your changes missing coverage. Please review.

Project coverage is 49.96%. Comparing base (d1e156a) to head (63f3e2f).
Report is 11 commits behind head on develop.

Files with missing lines	Patch %	Lines
...erimental/transformers/fused_transformer_layers.py	0.00%	56 Missing ⚠️
.../experimental/transformers/deepseek_v2/modeling.py	0.00%	14 Missing ⚠️

❌ Your patch status has failed because the patch coverage (0.00%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.
❌ Your project status has failed because the head coverage (49.96%) is below the target coverage (58.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #10249      +/-   ##
===========================================
+ Coverage    49.70%   49.96%   +0.25%     
===========================================
  Files          761      761              
  Lines       124218   124105     -113     
===========================================
+ Hits         61744    62009     +265     
+ Misses       62474    62096     -378     

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[yuanlehome]

辛苦同步修改一下，bf16/wint8的组网

[yuanlehome]

LGTM