AVX-512 HNSW in Rust: 3.5x faster than FP32 at 99.8% recall via SQ8

[silicium369]

https://github.com/silicium369-spec/silicium-hnsw

[altairprime]

Fair warning to those who must remain unencumbered:

> Patent pending

(I have no specific position on this point but I know some small fraction of HN needs to avoid such things now and then, so duly noted.)

[rfgplk]

Love it.