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Fast CRC32 implementations

6 mentions on Hacker News by 4 people: 2 stories, 4 comments · first 2023-12-07 · latest 2026-01-21

Mentions per year 6 mentions · busiest year 2023 (2)
20082026
  1. …old or isn't measuring pure CRC32 throughput (I see stuff about the C++ STL in the logs). Look at https://github.com/corsix/fast-crc32 for example, which measures 85 GB/s (GB, GiB, eh close enough) on the Apple M1. That's fast enough that…
  2. …to achieve? Assumptions that would lead to a >32bit checksum requirement seem outlandish to me. [1] https://github.com/corsix/fast-crc32?tab=readme-ov-file#x86_...
  3. He’s done some interesting work with crc32 ~recently: https://www.corsix.org/content/fast-crc32c-4k https://github.com/corsix/fast-crc32/
    comment by loeg · 2025-12-09 · in My favourite small hash table
  4. M1 has CRC32 acceleration intrinsics. https://dougallj.wordpress.com/2022/05/22/faster-crc32-on-th... https://github.com/corsix/fast-crc32?tab=readme-ov-file#appl...
  5. ▲ 1
    Fast CRC32 Implementations
    story by rostayob · 2023-12-08 · 0 comments
  6. ▲ 1
    Corsix – Fast CRC32 Implementations
    story by loeg · 2023-12-07 · 0 comments