Add non-criterion benchmark && github action

[mlb2251]

https://github.com/marketplace/actions/criterion-compare-prs

[mlb2251]

maybe not criterion since we actually have macro benchmarks not micro benchmarks. And we don't care about tiny details of changes we just want to detect major changes. We just want to generate the 8 runtime values from Table 2 from the paper really (mem usage is harder so ignore).