Implement lockless hashing

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 92.10526% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 86%. Comparing base (b3cbf96) to head (49909ee).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #241 +/- ## ====================================== - Coverage 87% 86% -0% ====================================== Files 33 33 Lines 4318 4210 -108 Branches 4318 4210 -108 ====================================== - Hits 3720 3610 -110 - Misses 581 583 +2 Partials 17 17 ```

[github-actions[bot]]

Against master [hash=256; threads=4]: 🆗 Elo difference: 8.69 +/- 39.08, LOS: 66.89 %, DrawRatio: 34.50 %

[github-actions[bot]]

Against v1.5.1 [hash=256; threads=4]: 🆗 Elo difference: -10.43 +/- 38.02, LOS: 29.50 %, DrawRatio: 38.00 %

[github-actions[bot]]

Against v1.5.1 [hash=64; threads=1]: 🆗 Elo difference: -5.56 +/- 17.33, LOS: 26.48 %, DrawRatio: 35.20 %

[github-actions[bot]]

Against master [hash=64; threads=1]: 🆗 Elo difference: -10.08 +/- 17.26, LOS: 12.64 %, DrawRatio: 35.70 %