Closed bwesterb closed 1 year ago
Somewhat surprisingly this leads to a small speed up. Results will obviously vary per platform, but unless assembly gives a dramatic and clear speed up, we shouldn't be bothered to maintain it.
Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz name old time/op new time/op delta PermutationFunction-8 378ns ± 1% 355ns ± 3% -6.12% (p=0.000 n=10+9) Sha3_512_MTU-8 7.73µs ± 1% 8.45µs ±23% +9.30% (p=0.003 n=9+10) Sha3_384_MTU-8 5.61µs ± 4% 5.65µs ±12% ~ (p=0.853 n=10+10) Sha3_256_MTU-8 4.47µs ± 6% 4.50µs ±13% ~ (p=0.579 n=10+10) Sha3_224_MTU-8 4.21µs ± 4% 4.06µs ± 5% -3.67% (p=0.001 n=10+10) Shake128_MTU-8 3.62µs ± 2% 3.43µs ± 2% -5.30% (p=0.000 n=9+10) Shake256_MTU-8 3.93µs ± 2% 3.77µs ± 4% -4.06% (p=0.000 n=10+10) Shake256_16x-8 55.3µs ± 1% 54.8µs ± 5% ~ (p=0.315 n=9+10) Shake256_1MiB-8 3.03ms ± 3% 3.08ms ± 8% ~ (p=0.353 n=10+10) Sha3_512_1MiB-8 5.61ms ± 3% 5.37ms ± 2% -4.20% (p=0.000 n=10+10) name old speed new speed delta PermutationFunction-8 530MB/s ± 1% 564MB/s ± 3% +6.53% (p=0.000 n=10+9) Sha3_512_MTU-8 175MB/s ± 1% 161MB/s ±19% -7.76% (p=0.003 n=9+10) Sha3_384_MTU-8 241MB/s ± 4% 240MB/s ±11% ~ (p=0.853 n=10+10) Sha3_256_MTU-8 302MB/s ± 5% 301MB/s ±12% ~ (p=0.579 n=10+10) Sha3_224_MTU-8 321MB/s ± 4% 333MB/s ± 5% +3.83% (p=0.001 n=10+10) Shake128_MTU-8 373MB/s ± 2% 394MB/s ± 2% +5.62% (p=0.000 n=9+10) Shake256_MTU-8 343MB/s ± 3% 358MB/s ± 4% +4.24% (p=0.000 n=10+10) Shake256_16x-8 296MB/s ± 1% 299MB/s ± 5% ~ (p=0.315 n=9+10) Shake256_1MiB-8 347MB/s ± 3% 341MB/s ± 7% ~ (p=0.353 n=10+10) Sha3_512_1MiB-8 187MB/s ± 3% 195MB/s ± 2% +4.38% (p=0.000 n=10+10)
Somewhat surprisingly this leads to a small speed up. Results will obviously vary per platform, but unless assembly gives a dramatic and clear speed up, we shouldn't be bothered to maintain it.