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Vlad Krasnov b2174a16c0 crypto/aes: make the GHASH part of AES-GCM faster 
By processing 8 blocks in parallel GHASH achieves higher throughput on amd64

Results on Skylake i7:

benchmark                   old ns/op     new ns/op     delta
BenchmarkAESGCMSeal1K-8     316           314           -0.63%
BenchmarkAESGCMOpen1K-8     282           281           -0.35%
BenchmarkAESGCMSign8K-8     5611          1099          -80.41%
BenchmarkAESGCMSeal8K-8     1869          1922          +2.84%
BenchmarkAESGCMOpen8K-8     1718          1724          +0.35%

benchmark                   old MB/s     new MB/s     speedup
BenchmarkAESGCMSeal1K-8     3237.10      3260.94      1.01x
BenchmarkAESGCMOpen1K-8     3629.74      3638.10      1.00x
BenchmarkAESGCMSign8K-8     1459.82      7452.99      5.11x
BenchmarkAESGCMSeal8K-8     4382.45      4260.93      0.97x
BenchmarkAESGCMOpen8K-8     4766.41      4750.54      1.00x

Change-Id: I479f2a791a968caa1c516115b0b6b96a791a20d2
Reviewed-on: https://go-review.googlesource.com/57150
Reviewed-by: Adam Langley <agl@golang.org>
 		2017-08-18 21:40:57 +00:00
.github .github: add .md extension to SUPPORT file 2017-07-30 21:46:28 +00:00
api doc, api: add syscall.SysProcAttr.AmbientCaps change to 1.9 notes, API 2017-06-29 03:29:46 +00:00
doc spec: better comment in example for type definition 2017-08-14 13:35:43 +00:00
lib/time time: vendor tzdata-2017b and update test 2017-06-07 21:23:58 +00:00
misc misc/cgo/testcshared: fix syntax error in the test 2017-08-18 05:29:56 +00:00
src crypto/aes: make the GHASH part of AES-GCM faster 2017-08-18 21:40:57 +00:00
test test: add test that caused gccgo compiler crash 2017-08-17 18:09:52 +00:00
.gitattributes
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.gitignore .gitignore: include only Go project artifiacts 2017-08-15 21:37:05 +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
LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
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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.