not that i expect you to have run extensive benchmarks or anything, but how do you feel this compares to libdeflate? the few comparisons i've seen suggest that they are (or at least were) pretty much a wash, performance-wise.
- Bug#1002056: ITP: zlib-ng -- optimized zlib compression libr... Guillem Jover
- Bug#1002056: ITP: zlib-ng -- optimized zlib compression... nick black
- Bug#1002056: ITP: zlib-ng -- optimized zlib compres... Guillem Jover
- Bug#1002056: ITP: zlib-ng -- optimized zlib compression... Mark Brown