最後更新: 2020-12-30

介紹

xxhash - Extremely fast non-cryptographic hash algorithm

Working at RAM speed limit  !!

HomePage: http://cyan4973.github.io/xxHash/

• XXH3 : It is using vectorized arithmetic (64-bit) [SSE2]
• XXH128 : It is using vectorized arithmetic (128-bit) [SSE2]
• XXH32 : generates 32-bit hashes
• XXH64 : generates 64-bit hashes

Notes

• XXH3 及 XXH128 都會用到 SSE2 Cpu Instruction, 所以比 XXH32 及 XXH64 快很多

Binary File

• /usr/bin/xxhsum
• /usr/bin/xxh32sum
• /usr/bin/xxh64sum

Benchmarks

Width, Bandwidth

• XXH3 (SSE2)          64      31.5 GB/s
• XXH128 (SSE2)     128     29.6 GB/s
• XXH64                   64      19.4 GB/s
• MD5                     128       0.6 GB/s