[Checkpoint compression] Support sharding stage1 v2

[DesmonDay]

PR types

New features

PR changes

Others

Description

Support sharding stage1 v2 for checkpoint compression.

[paddle-bot]

Thanks for your contribution!

[codecov]

Codecov Report

Attention: Patch coverage is 6.45161% with 29 lines in your changes missing coverage. Please review.

Project coverage is 52.51%. Comparing base (2f85a64) to head (7f806e8).
Report is 1 commits behind head on develop.

❗ Current head 7f806e8 differs from pull request most recent head ce847e5

Please upload reports for the commit ce847e5 to get more accurate results.

Files with missing lines	Patch %	Lines
...r/unified_checkpoint/sharding_split_param_utils.py	9.52%	19 Missing ⚠️
paddlenlp/trainer/unified_checkpoint/load_local.py	0.00%	9 Missing ⚠️
...p/trainer/unified_checkpoint/unified_checkpoint.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #9817      +/-   ##
===========================================
+ Coverage    51.89%   52.51%   +0.62%     
===========================================
  Files          734      730       -4     
  Lines       118118   115790    -2328     
===========================================
- Hits         61300    60812     -488     
+ Misses       56818    54978    -1840     

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