quick python hashing func speed test

test_hashes.py

import random
import string
import time
from hashlib import blake2b, blake2s, md5, sha1, sha3_224, sha3_256, sha3_384, sha3_512, sha224, sha256, sha384, sha512

algs = [
    sha512,
    sha3_224,
    sha1,
    sha256,
    md5,
    sha224,
    sha3_256,
    blake2s,
    sha384,
    sha3_384,
    blake2b,
    sha3_512,
]


def generate_random_str(size: int) -> bytes:
    return b"".join(random.choice(string.printable).encode("utf-8") for i in range(size))


def generate_random_set(set_size: int, item_size: int) -> list[bytes]:
    return [generate_random_str(item_size) for i in range(set_size)]


def main():

    randoms = generate_random_set(10000, 100)
    random.shuffle(algs)

    results = []

    for alg in algs:
        start = time.time()
        [alg(r).hexdigest() for r in randoms]
        results.append((alg, time.time() - start))

    for res in sorted(results, key=lambda r: r[1]):
        print(res[0], res[1], sep="\t")


if __name__ == "__main__":
    main()

    
"""
max item size = 100
0.00422	<class '_blake2.blake2s'>
0.00463	<class '_blake2.blake2b'>
0.00686	<built-in function openssl_sha1>
0.00705	<built-in function openssl_md5>
0.00821	<built-in function openssl_sha384>
0.00852	<built-in function openssl_sha224>
0.00907	<built-in function openssl_sha512>
0.00975	<built-in function openssl_sha256>
0.01122	<built-in function openssl_sha3_384>
0.01127	<built-in function openssl_sha3_224>
0.01172	<built-in function openssl_sha3_256>
0.01532	<built-in function openssl_sha3_512>

max item size = 10000

0.10667	<built-in function openssl_sha1>
0.12501	<class '_blake2.blake2b'>
0.14361	<built-in function openssl_md5>
0.15192	<built-in function openssl_sha384>
0.15246	<built-in function openssl_sha512>
0.16491	<class '_blake2.blake2s'>
0.22134	<built-in function openssl_sha256>
0.22243	<built-in function openssl_sha224>
0.25736	<built-in function openssl_sha3_224>
0.27098	<built-in function openssl_sha3_256>
0.35185	<built-in function openssl_sha3_384>
0.48403	<built-in function openssl_sha3_512>

random item sizes between 0 and 10000

0.05733	<built-in function openssl_sha1>
0.06793	<class '_blake2.blake2b'>
0.07849	<built-in function openssl_md5>
0.08165	<built-in function openssl_sha384>
0.08221	<built-in function openssl_sha512>
0.08426	<class '_blake2.blake2s'>
0.11476	<built-in function openssl_sha224>
0.12041	<built-in function openssl_sha256>
0.13963	<built-in function openssl_sha3_224>
0.14127	<built-in function openssl_sha3_256>
0.18198	<built-in function openssl_sha3_384>
0.26708	<built-in function openssl_sha3_512>


tl;dr if picking naively on a 64bit machine, blake2b seems to be fastest choice

not really even considering md5 or sha1 but here for comparison
"""