Fix benchmarks

[ytdHuang]

This is a PR to improve the code format suggested in PR #116.

Since the benchmark functions modifies the variable SUITE.
These functions should:

• take SUITE as an input
• name as benchmark_XXX!
• return nothing

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.04%. Comparing base (9a38e30) to head (60b428b).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #117   +/-   ##
=======================================
  Coverage   91.04%   91.04%           
=======================================
  Files          21       21           
  Lines        1754     1754           
=======================================
  Hits         1597     1597           
  Misses        157      157           

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