commit 8325d0688790c14edce09afafee269b02cf03c1f parent 9692529844bfc1cc3657618990e2340ba474c676 Author: Jared Tobin <jared@jtobin.io> Date: Tue, 21 Jan 2025 21:50:50 +0400 meta: performance note Diffstat:
| M | README.md | | | 53 | ++++++++++++++++++++--------------------------------- |
1 file changed, 20 insertions(+), 33 deletions(-)
diff --git a/README.md b/README.md @@ -59,50 +59,37 @@ Current benchmark figures on my mid-2020 MacBook Air look like (use ``` benchmarking ppad-sha256/SHA256 (32B input)/hash - time 1.767 μs (1.741 μs .. 1.798 μs) + time 1.387 μs (1.365 μs .. 1.409 μs) 0.999 R² (0.998 R² .. 1.000 R²) - mean 1.746 μs (1.730 μs .. 1.764 μs) - std dev 57.37 ns (46.98 ns .. 70.33 ns) - variance introduced by outliers: 44% (moderately inflated) - - benchmarking ppad-sha256/SHA256 (32B input)/hash_lazy - time 1.772 μs (1.751 μs .. 1.791 μs) - 0.999 R² (0.998 R² .. 0.999 R²) - mean 1.761 μs (1.743 μs .. 1.783 μs) - std dev 66.77 ns (55.88 ns .. 87.72 ns) - variance introduced by outliers: 51% (severely inflated) + mean 1.386 μs (1.378 μs .. 1.399 μs) + std dev 34.07 ns (24.55 ns .. 52.14 ns) + variance introduced by outliers: 31% (moderately inflated) benchmarking ppad-sha256/HMAC-SHA256 (32B input)/hmac - time 6.688 μs (6.529 μs .. 6.867 μs) - 0.996 R² (0.993 R² .. 0.998 R²) - mean 6.601 μs (6.502 μs .. 6.719 μs) - std dev 360.4 ns (286.0 ns .. 477.2 ns) - variance introduced by outliers: 65% (severely inflated) - - benchmarking ppad-sha256/HMAC-SHA256 (32B input)/hmac_lazy - time 7.014 μs (6.760 μs .. 7.243 μs) - 0.994 R² (0.992 R² .. 0.997 R²) - mean 6.719 μs (6.607 μs .. 6.851 μs) - std dev 423.1 ns (330.4 ns .. 526.2 ns) - variance introduced by outliers: 72% (severely inflated) + time 5.618 μs (5.564 μs .. 5.681 μs) + 0.999 R² (0.999 R² .. 1.000 R²) + mean 5.648 μs (5.603 μs .. 5.697 μs) + std dev 159.1 ns (130.7 ns .. 194.1 ns) + variance introduced by outliers: 34% (moderately inflated) ``` Compare this to Hackage's famous SHA package: ``` benchmarking ppad-sha256/SHA256 (32B input)/SHA.sha256 - time 2.929 μs (2.871 μs .. 2.995 μs) - 0.997 R² (0.995 R² .. 0.998 R²) - mean 2.879 μs (2.833 μs .. 2.938 μs) - std dev 170.4 ns (130.4 ns .. 258.9 ns) - variance introduced by outliers: 71% (severely inflated) + time 2.585 μs (2.565 μs .. 2.613 μs) + 0.999 R² (0.999 R² .. 1.000 R²) + mean 2.635 μs (2.616 μs .. 2.654 μs) + std dev 68.00 ns (58.45 ns .. 80.94 ns) + variance introduced by outliers: 32% (moderately inflated) benchmarking ppad-sha256/HMAC-SHA256 (32B input)/SHA.hmacSha256 - time 11.42 μs (11.09 μs .. 11.80 μs) - 0.994 R² (0.992 R² .. 0.997 R²) - mean 11.36 μs (11.09 μs .. 11.61 μs) - std dev 903.5 ns (766.5 ns .. 1.057 μs) - variance introduced by outliers: 79% (severely inflated) + time 9.672 μs (9.533 μs .. 9.810 μs) + 0.998 R² (0.998 R² .. 0.999 R²) + mean 9.715 μs (9.608 μs .. 9.858 μs) + std dev 394.7 ns (315.3 ns .. 576.2 ns) + variance introduced by outliers: 50% (moderately inflated) + ``` Or the relevant SHA-256-based functions from a library with similar