(feature): Adding general benchmark to Poseidon.

[protocolwhisper]

Benchmarking Poseidon hash function

Description

Benchmark for the Poseidon implementation

Type of change

• [ x] New feature

Checklist

• [ x] Benchmarks added/run

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (1530d4b) 96.17% compared to head (777ace9) 96.17%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #615   +/-   ##
=======================================
  Coverage   96.17%   96.17%           
=======================================
  Files         132      132           
  Lines       30013    30013           
=======================================
  Hits        28866    28866           
  Misses       1147     1147           

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[mdvillagra]

@MauroToscano maybe we can also add it to these benchmarks https://github.com/mdvillagra/poseidon-benchmarks

[MauroToscano]

Tests and benchmarks shouldn't be coupled. If someone changes a test, benchmarks will change. They can share some common helper functions if needed, but they have to be different

[protocolwhisper]

Tests and benchmarks shouldn't be coupled. If someone changes a test, benchmarks will change. They can share some common helper functions if needed, but they have to be different

I just updated it and ran the benchmark with the bls12381 prime field.

[protocolwhisper]

I'm closing this PR cause this is currently addressed in this PR: #703