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The Go programming language
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fanzha02 7b8a7f8272 crypto/sha256: optimize arm64 sha256 implemention 
Optimize with ARMv8 SHA256 instructions.
Result (Cortex-A72)

name           old time/op    new time/op      delta
Hash8Bytes-64    1.54µs ± 1%      0.61µs ± 9%    -60.67%  (p=0.008 n=5+5)
Hash1K-64        17.2µs ± 1%       1.4µs ± 2%    -91.91%  (p=0.008 n=5+5)
Hash8K-64         127µs ± 0%         7µs ± 1%    -94.42%  (p=0.008 n=5+5)

name           old speed      new speed        delta
Hash8Bytes-64  5.20MB/s ± 1%   13.23MB/s ±10%   +154.58%  (p=0.008 n=5+5)
Hash1K-64      59.4MB/s ± 1%   735.1MB/s ± 2%  +1136.96%  (p=0.008 n=5+5)
Hash8K-64      64.5MB/s ± 0%  1156.3MB/s ± 1%  +1692.75%  (p=0.008 n=5+5)

Change-Id: I47eca6471b75cd07cb0c77477053a07d0de7494f
Reviewed-on: https://go-review.googlesource.com/61570
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-11-14 18:18:02 +00:00
.github doc: add a link to the code of conduct 2017-11-13 16:48:04 +00:00
api api: update next.txt 2017-10-28 00:00:56 +00:00
doc doc: mention the scratch repo 2017-11-13 20:50:32 +00:00
lib/time time: vendor tzdata-2017b and update test 2017-06-07 21:23:58 +00:00
misc cmd/compile: record original and absolute file names for line directives 2017-11-13 16:47:41 +00:00
src crypto/sha256: optimize arm64 sha256 implemention 2017-11-14 18:18:02 +00:00
test cmd/compile: add test for array decomposition 2017-11-13 20:22:22 +00:00
.gitattributes
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: final updates for Go 1.9 2017-07-18 01:47:54 +00:00
CONTRIBUTING.md .github: recommend 'go bug' when filing an issue 2017-07-24 17:18:34 +00:00
CONTRIBUTORS A+C: final updates for Go 1.9 2017-07-18 01:47:54 +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
README.md readme: add attribution for the Gopher image 2017-02-03 19:39:41 +00:00
robots.txt

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.

Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.

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

Download and Install

Binary Distributions

Official binary distributions are available at https://golang.org/dl/.

After downloading a binary release, visit https://golang.org/doc/install or load doc/install.html in your web browser for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://golang.org/doc/install/source or load doc/install-source.html in your web browser for source installation instructions.

Contributing

Go is the work of hundreds of contributors. We appreciate your help!

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

Note that the Go project does not use GitHub pull requests, and that we use 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.