[bench.cpp] Add benchmarks for mul_avx, add_avx, and mul33c_avx

[n-samar]

No description provided.

[cla-bot]

Thank you for your pull request and welcome to our community. We could not parse the GitHub identity of the following contributors: Ubuntu.
This is most likely caused by a git client misconfiguration; please make sure to:

1. check if your git client is configured with an email to sign commits git config --list | grep email
2. If not, set it up using git config --global user.email [email protected]
3. Make sure that the git commit email is configured in your GitHub account settings, see https://github.com/settings/emails

[cla-bot]

We require contributors/corporates @n-samar to read our Contributor License Agreement, please check the Individual CLA document/Corporate CLA document

[n-samar]

@cla-bot check

[cla-bot]

We require contributors/corporates @n-samar to read our Contributor License Agreement, please check the Individual CLA document/Corporate CLA document

[cla-bot]

The cla-bot has been summoned, and re-checked this pull request!

[n-samar]

I've read the CLA.

[sonarcloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
10 Code Smells

No Coverage information
0.0% Duplication

Catch issues before they fail your Quality Gate with our IDE extension SonarLint