My SIMD playground
| bench | time | | :----------------------------------- | :-----------: | | parse/avx2/simple | 3.4660 ns | | parse/avx2/hyphenated | 6.1451 ns | | parse/avx2/guid | 6.4350 ns | | parse/avx2/urn | 6.5137 ns | | parse/fallback/simple | 25.379 ns | | parse/fallback/hyphenated | 25.977 ns | | parse/fallback/guid | 26.249 ns | | parse/fallback/urn | 27.699 ns | | parse/uuid-latest/simple | 88.669 ns | | parse/uuid-latest/hyphenated | 101.09 ns | | parse/uuid-latest/guid | 101.67 ns | | parse/uuid-latest/urn | 102.16 ns | | format/avx2/simple-lowercase | 1.6079 ns | | format/avx2/hyphenated-lowercase | 3.2767 ns | | format/fallback/simple-lowercase | 15.769 ns | | format/fallback/hyphenated-lowercase | 15.791 ns |