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crc32fast

Fast, SIMD-accelerated CRC32 (IEEE) checksum computation

1.5.1 636M downloads/mo #144 most downloaded on crates.io srijs/rust-crc32fast

What this package is like to depend on

Last release today

22 Aug 2026

Release timing varies

gaps range from 2 weeks to 2.0 years

This project publishes no release notes

the list below is its commits, not an announcement

1 version withdrawn

withdrawn after publishing

8 years old

19 releases · first in 2018

1 release in the last 12 months

see the full history below

Release timeline

19 releases · Nov 2018 to Aug 2026
2019 2020 2021 2022 2023 2024 2025 2026
Release Pre-release Withdrawn

Releases

latest 19
  1. 1.5.1 22 Aug 2026
    Commits, not release notes

    This project publishes no release notes. Between v1.5.0 and v1.5.1 there were 4 commits, 3 of them substantive:

    • downgrade msrv ci run to just cargo build
    • consolidate dword load in baseline implementation (#55)
    • perf(simd): widen x86 folds, add ARM 3-way, and speed up small inputs (#56)
  2. 1.5.0 13 Jul 2025
    Commits, not release notes

    This project publishes no release notes. Between v1.4.2 and v1.5.0 there were 16 commits, 15 of them substantive:

    • credit "the paper" from which the PCLMULQDQ specialization came from (#40)
    • add cargo categories
    • bump rust edition to 2021 and msrv to 1.63 (#49)
    • use stable aarch64 intrinsics (#50)
    • more simplification for 2021 edition
    • switch from afl to cargo-fuzz
    • fix cargo fuzz link in readme
    • remove unused debug code
    • add bench for combine
    • address clippy warnings
    • much faster combine function
    • even faster combine
    • minimize branches in combine logic
    • add more golden tests for combine
    • cover special case in combine
  3. 1.4.2 20 May 2024
    Commits, not release notes

    This project publishes no release notes. Between v1.4.1 and v1.4.2 there were 3 commits, 2 of them substantive:

    • fix unknown feature error in nightly
    • cross check nightly features (#39)
  4. 1.4.1 20 May 2024
    Commits, not release notes

    This project publishes no release notes. Between v1.4.0 and v1.4.1 there were 4 commits, 3 of them substantive:

    • Introduce Github Actions CI (#38)
    • remove travis ci
    • Remove build script (#29)
  5. 1.4.0 12 Feb 2024
    Commits, not release notes

    This project publishes no release notes. Between v1.3.2 and v1.4.0 there were 4 commits, 3 of them substantive:

    • remove stdsimd feature flag for aarch64
    • add no-std compatible aarch64 constructor
    • remove unused K6 constant
  6. 1.3.2 08 Feb 2022
    Commits, not release notes

    This project publishes no release notes. Between v1.3.1 and v1.3.2 there were 2 commits, 1 of them substantive:

    • Fix is_aarch64_feature_detected usage (#26)
  7. 1.3.1 21 Jan 2022
    Commits, not release notes

    This project publishes no release notes. Between v1.3.0 and v1.3.1 there were 2 commits, 1 of them substantive:

    • prevent large table stack copies in debug mode
  8. 1.3.0 30 Nov 2021
    Commits, not release notes

    This project publishes no release notes. Between v1.2.2 and v1.3.0 there were 7 commits, 6 of them substantive:

    • Allow providing amount when creating Hasher from checksum. (#23)
    • update dev dependencies
    • raise MSRV to 1.36.0
    • raise MSRV to 1.46.0
    • do not attempt to check tests for wasm32
    • add hash convenience function
  9. 1.2.2 23 Nov 2021
    Commits, not release notes

    This project publishes no release notes. Between v1.2.1 and v1.2.2 there were 2 commits, 1 of them substantive:

    • Fix build for targets that don't support sse2, sse4.2, or pclmulqdq features (#22)
  10. 1.2.1 21 Oct 2020

    Nothing published for this version

  11. 1.2.0 05 Mar 2019

    Nothing published for this version

  12. 1.1.2 03 Dec 2018

    Nothing published for this version

  13. 1.1.1 01 Dec 2018

    Nothing published for this version

  14. 1.1.0 01 Dec 2018

    Nothing published for this version

  15. 1.0.4 30 Nov 2018

    Nothing published for this version

  16. 1.0.3 17 Nov 2018

    Nothing published for this version

  17. 1.0.2 13 Nov 2018

    Nothing published for this version

  18. 1.0.1 13 Nov 2018

    Nothing published for this version

  19. 1.0.0 13 Nov 2018 withdrawn

    Nothing published for this version

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