| commit | 827044e7a629128d967e79e6b92fc17f3bc4870b | [log] [tgz] |
|---|---|---|
| author | Udalov Max <re.udalov@gmail.com> | Sat Apr 13 18:54:03 2019 +0300 |
| committer | Filippo Valsorda <filippo@golang.org> | Mon Apr 15 18:01:30 2019 +0000 |
| tree | db7bb552351eaa315f5d331d57de95d6b2000284 | |
| parent | f8c6f986fd459945ec76930d88bd45d45b359c77 [diff] |
crypto/sha512: use math/bits.RotateLeft64 instead of ad-hoc implementation This makes code more readable and idiomatic and slightly increase performance. Updates #31456 Benchstat: name old time/op new time/op delta Hash8Bytes-8 281ns ± 4% 280ns ± 3% ~ (p=0.640 n=10+10) Hash1K-8 2.01µs ± 6% 2.02µs ± 3% ~ (p=0.481 n=10+10) Hash8K-8 14.2µs ± 6% 13.5µs ± 1% -4.90% (p=0.001 n=10+10) name old speed new speed delta Hash8Bytes-8 28.5MB/s ± 4% 28.5MB/s ± 3% ~ (p=0.516 n=10+10) Hash1K-8 510MB/s ± 6% 507MB/s ± 4% ~ (p=0.481 n=10+10) Hash8K-8 576MB/s ± 6% 605MB/s ± 1% +5.02% (p=0.001 n=10+10) Tested on macbook pro 2018 Intel(R) Core(TM) i5-8259U CPU @ 2.30GHz Change-Id: I1f5b78096dd49d14ffcb9129142c4a4e05b81ff9 Reviewed-on: https://go-review.googlesource.com/c/go/+/171736 Reviewed-by: Filippo Valsorda <filippo@golang.org>
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