Larry Hastings <la...@hastings.org> added the comment:
Also, for what it's worth: I just ran my checksum benchmarker using a freshly
built python a la my PR. Here are my results when hashing 462183782 bytes
(dicey-dungeons-linux64.zip):
hash
algorithm time bytes/sec size hash
--------- ---------- ---------- ---- ---------------------------------
blake3 0.18976406 2435570699 64 0c72d0a07ba767b75b0c99fed38fda...
sha1 0.21692419 2130623562 40 9fb83614394cd3b39e42b1d9f84a3c...
sha256 0.26399648 1750719480 64 2320129f2545ff8606d3db1d706d86...
sha224 0.28097475 1644929957 56 133b5da8d8b387f2bcfd69b0c73ed8...
md4 0.34185237 1351998195 32 dea7585ea9fa4520687bab1dc671858e
blake2b 0.53724666 860282275 128 e3653f33858a83b386c2fe865280a1...
md5 0.58128106 795112407 32 299440e1968cf8f8abc288bac8c0a4fa
sha512_224 0.64589952 715566066 56 413d48b782f114870ef80815540678...
sha384 0.64645893 714946859 96 b1c1cd96cef79c15f2171b8aa81304...
sha512 0.65424513 706438241 128 e7d0cec3fe8b73d1534a7bdb484176...
sha512_256 0.68371638 675987586 64 3f58faba70cea4d6ea8a8371e71bbb...
md5-sha1 0.80361958 575127576 72 299440e1968cf8f8abc288bac8c0a4...
shake_128 0.84424524 547452041 64 c62a813897b81f67822fc07115deae...
blake2s 0.85661793 539544839 64 cb8bd19c6ca446bbf7a8abbec61dc5...
sha3_224 0.95759645 482649850 56 6f96d117c7fcbcd802b222854db644...
shake_256 1.0152032 455262322 64 2d9f9dafe0ddf792c6407910946845...
sha3_256 1.015744 455019929 64 cc5d55fe0ac31f6e335da1bc6abaf3...
sha3_384 1.3235858 349190644 96 13206910ff231fe51a38fe637ded30...
sm3 1.4478934 319211203 64 021cd913540d95b13a03342b54f80d...
ripemd160 1.4737549 313609670 40 1a956000b88267ec8fc23327d22548...
sha3_512 1.9131832 241578418 128 e84b9f499b013956f6f36c93234ca3...
"time" is wall time in seconds. So, yes, BLAKE3 was the fastest hash algorithm
available on my machine--2.4GB/sec!
(I'm a little surprised by that result actually. My CPU is pretty modern, so I
assume it has the SHA1 extensions. And I further assume we're using OpenSSL,
and OpenSSL will use those extensions when available. If BLAKE3 is *still*
faster that OpenSSL, well! hats off to the BLAKE3 team. And that just goes to
show you how useful SIMD extensions are!)
----------
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue39298>
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