fix: benchmark of embedding and reranking

[LongxingTan]

Description

This PR ...

Checklist

• Linked issues (if existing)
• Amended changelog.md for large changes (and added myself there as contributor)
• Added/modified tests
• Used pre-commit hooks when committing to ensure that code is compliant with hooks. Install hooks with pre-commit install.
  To run hooks independent of commit, execute pre-commit run --all-files

Thank you for joining. Have fun coding!

[codecov]

Codecov Report

Attention: Patch coverage is 42.71845% with 59 lines in your changes missing coverage. Please review.

Project coverage is 54.53%. Comparing base (26ad6e9) to head (f3d0690).

Files	Patch %	Lines
src/retrievals/models/rerank.py	34.93%	54 Missing ⚠️
src/retrievals/models/base.py	66.66%	3 Missing ⚠️
src/retrievals/data/collator.py	83.33%	1 Missing ⚠️
src/retrievals/losses/arcface.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #64      +/-   ##
==========================================
- Coverage   54.69%   54.53%   -0.17%     
==========================================
  Files          30       30              
  Lines        2362     2417      +55     
==========================================
+ Hits         1292     1318      +26     
- Misses       1070     1099      +29     

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