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Udalov Max 7cd39de2d9 crypto/sha1: use math/bits.RotateLeft32 instead of ad-hoc implementation.
This makes code more idiomatic and shows small performance gains of generic benchmarks.

Updates: #31456

name            old time/op    new time/op    delta
Hash8Bytes-8       275ns ± 4%     270ns ± 0%    ~     (p=0.213 n=9+8)
Hash320Bytes-8    1.46µs ± 5%    1.39µs ± 1%  -4.54%  (p=0.000 n=10+10)
Hash1K-8          3.99µs ± 5%    3.86µs ± 1%  -3.38%  (p=0.023 n=10+10)
Hash8K-8          28.9µs ± 0%    28.9µs ± 1%    ~     (p=0.315 n=10+10)

name            old speed      new speed      delta
Hash8Bytes-8    28.8MB/s ± 9%  29.6MB/s ± 0%    ~     (p=0.151 n=10+8)
Hash320Bytes-8   220MB/s ± 5%   230MB/s ± 1%  +4.65%  (p=0.000 n=10+10)
Hash1K-8         257MB/s ± 5%   265MB/s ± 1%  +3.38%  (p=0.023 n=10+10)
Hash8K-8         283MB/s ± 0%   284MB/s ± 1%    ~     (p=0.315 n=10+10)

Change-Id: Iee63aa042614e3bbeda9aaf5236180d4153f03c4
Reviewed-on: https://go-review.googlesource.com/c/go/+/171729
Reviewed-by: Ilya Tokar <tocarip@gmail.com>
Run-TryBot: Ilya Tokar <tocarip@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-04-13 13:56:23 +00:00
.github .github: don't render author-facing text in ISSUE_TEMPLATE 2018-11-02 04:47:34 +00:00
api text/scanner: don't liberally consume (invalid) floats or underbars 2019-02-20 20:23:28 +00:00
doc doc/go_faq: fix grammar 2019-04-12 15:22:53 +00:00
lib/time time: read 64-bit data if available 2019-02-26 23:10:35 +00:00
misc misc/cgo/testcshared: use adb exec-out instead of adb shell 2019-04-08 18:21:14 +00:00
src crypto/sha1: use math/bits.RotateLeft32 instead of ad-hoc implementation. 2019-04-13 13:56:23 +00:00
test test: add testcases for gccgo bug 2019-04-11 20:17:26 +00:00
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