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Ivan Osadchiy 36b0593f79 crypto/sha256: Use bits.RotateLeft32 instead of ad-hoc implementation 
Improves readability of the generic implementation.

Updates #31456.

Benchmarks (i7-4980HQ CPU)

name          old time/op    new time/op    delta
Hash8Bytes-8     339ns ± 3%     337ns ± 2%   ~     (p=0.595 n=5+5)
Hash1K-8        5.12µs ± 6%    4.97µs ± 6%   ~     (p=0.310 n=5+5)
Hash8K-8        37.6µs ± 5%    38.1µs ± 6%   ~     (p=0.841 n=5+5)

name          old speed      new speed      delta
Hash8Bytes-8  23.6MB/s ± 3%  23.8MB/s ± 3%   ~     (p=0.690 n=5+5)
Hash1K-8       200MB/s ± 6%   206MB/s ± 5%   ~     (p=0.310 n=5+5)
Hash8K-8       218MB/s ± 5%   215MB/s ± 6%   ~     (p=0.841 n=5+5)

Change-Id: Ic488841699138efde76e900bce1dd38fdbc88ec6
Reviewed-on: https://go-review.googlesource.com/c/go/+/171731
Reviewed-by: Ilya Tokar <tocarip@gmail.com>
Run-TryBot: Ilya Tokar <tocarip@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-04-16 10:53:44 +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/sha256: Use bits.RotateLeft32 instead of ad-hoc implementation 2019-04-16 10:53:44 +00:00
test test: add testcases for gccgo bug 2019-04-11 20:17:26 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: change email address for Elias Naur 2019-01-23 15:05:26 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS CONTRIBUTORS: second round of updates for Go 1.12 2019-01-30 18:01:19 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README.md README: linkify some paths 2018-06-06 18:07:01 +00:00
robots.txt godoc: serve robots.txt raw 2011-02-19 05:46:20 +11:00

README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 3.0 Attributions license.

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Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

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To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html

Note that the Go project uses the issue tracker for bug reports and proposals only. See https://golang.org/wiki/Questions for a list of places to ask questions about the Go language.