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cmuratori/meow_hash

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Official version of the Meow hash, an extremely fast level 1 hash

13 mentions on Hacker News by 12 people: 2 stories, 11 comments · first 2018-10-20 · latest 2024-11-18

Mentions per year 13 mentions · busiest year 2018 (4)
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  1. See also: “Meow hash” by the legendary Casey Muratori, a fast non-cryptographic hash function: https://github.com/cmuratori/meow_hash > It’s the fastest hash function we know of, and we have benchmarked all the ones we could find. On…
    comment by palsecam · 2024-11-18 · in ChibiHash: Small, Fast 64 bit hash function
  2. The AES instruction thing has already been done in MeowHash. Not sure how it compares. https://github.com/cmuratori/meow_hash
    comment by jnwatson · 2024-05-14 · in GxHash is a fast and robust non-cryptographic hashing algorithm
  3. A collision was reported a couple months ago https://github.com/cmuratori/meow_hash/issues/80
    comment by arduinomancer · 2021-10-29 · in Meow Hash (2018)
  4. …he took the criticism quite graciously: https://twitter.com/cmuratori/status/1417546500083568641 https://github.com/cmuratori/meow_hash/issues/80 all of this is very interesting reading for someone like me who doesn't know very much about…
    comment by adamrezich · 2021-07-28 · in Cryptanalysis of Meow Hash
  5. ▲ 3
    Full 128-bit collision between two files in Meow Hash
    story by arduinomancer · 2021-07-21 · 0 comments
  6. …miss the issue report on the repo (basically, "here are two images that happen to collide???"): https://github.com/cmuratori/meow_hash/issues/80
    comment by cespare · 2021-07-20 · in Cryptanalysis of Meow Hash
  7. …) with 32/64 bit output. The latest version, xxh3, supports up to 128 bit output. meow hash ( https://github.com/cmuratori/meow_hash ) The recently released Blake3 which is designed to be cryptographically secure is very fast also (…
    comment by eadan · 2020-05-29 · in SHA-1 collisions now cost $45k [pdf]
  8. …a theoretical performance of 16 bytes per cycle on some processors, too fast for memory to keep up. https://github.com/cmuratori/meow_hash
    comment by NohatCoder · 2020-01-10 · in The BLAKE3 cryptographic hash function
  9. …x86/ARM then AES is often a better choice. [0] https://github.com/jandrewrogers/AquaHash [1] https://github.com/cmuratori/meow_hash
    comment by jandrewrogers · 2019-03-11 · in New fastest portable hash: wyhash
  10. …against it with real life, prod data. It resulted in 13 collisions on 116275 files in 512b mode. https://github.com/cmuratori/meow_hash/issues/7#issuecomment...
    comment by ardaozkal · 2018-10-21 · in Meow Hash: A high-speed non-cryptographic hash function
  11. https://github.com/cmuratori/meow_hash/blob/master/meow_hash... What do AESRotate(foo,bar) and AESMerge(foo,bar) do? [edit] So it's a simple cyclic rotation preceded by A.Q0 = _mm512_aesdec_epi128(A.Q0, B.Q0) From Googling,…
    comment by man-and-laptop · 2018-10-20 · in Meow Hash: A high-speed non-cryptographic hash function
  12. …bytes/cycle. Meow does include implementation for smhasher, so benchmarking should be easy enough https://github.com/cmuratori/meow_hash/blob/master/meow_smha...
    comment by zokier · 2018-10-20 · in Meow Hash: A high-speed non-cryptographic hash function
  13. ▲ 1
    Meow Hash – An Extremely Fast Non-Cryptographic Hash
    story by doppp · 2018-10-20 · 1 comment