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The Go programming language
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Paul E. Murphy 6f7e9e2307 crypto/sha256, cmd/internal/notsha256: improve PPC64 sha256 
This minimizes addi usage inside vector heavy loops. This
results in a small performance uptick on P9 ppc64le/linux.
Likewise, cleanup some minor whitespace issues around comments.

The implementation from crypto/sha256 is also shared with notsha256.
It is copied, but preserves notsha256's go:build directives. They are
otherwise identical now. Previously, bootstrap restrictions required
workarounds to support XXLOR on older toolchains. This is not needed
anymore as the minimum bootstrap (1.17) compiler will support XXLOR.

name               old speed      new speed      delta
Hash8Bytes/New     28.8MB/s ± 0%  30.5MB/s ± 0%  +5.98%
Hash8Bytes/Sum224  29.5MB/s ± 0%  31.3MB/s ± 0%  +6.17%
Hash8Bytes/Sum256  29.5MB/s ± 0%  31.2MB/s ± 0%  +5.80%
Hash1K/New          287MB/s ± 0%   312MB/s ± 0%  +8.60%
Hash1K/Sum224       289MB/s ± 0%   312MB/s ± 0%  +7.99%
Hash1K/Sum256       289MB/s ± 0%   312MB/s ± 0%  +7.98%
Hash8K/New          313MB/s ± 0%   338MB/s ± 0%  +8.12%
Hash8K/Sum224       313MB/s ± 0%   338MB/s ± 0%  +8.20%
Hash8K/Sum256       313MB/s ± 0%   338MB/s ± 0%  +8.12%

Change-Id: Ib386d6306673b4e6553ee745ec2e1b53a9722df1
Reviewed-on: https://go-review.googlesource.com/c/go/+/441815
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Archana Ravindar <aravind5@in.ibm.com>
Run-TryBot: Paul Murphy <murp@ibm.com>
2022-10-21 13:29:47 +00:00
.github .github: update issue label for pkgsite-removal 2022-09-07 16:00:20 +00:00
api reflect: add Value.Grow 2022-10-15 17:02:11 +00:00
doc all: use Go 1.17.13 for bootstrap 2022-10-17 19:46:59 +00:00
lib/time lib/time, time/tzdata: update to 2022b 2022-08-11 20:03:19 +00:00
misc misc/cgo/fortran: convert to Go test 2022-10-17 15:15:37 +00:00
src crypto/sha256, cmd/internal/notsha256: improve PPC64 sha256 2022-10-21 13:29:47 +00:00
test cmd/compile: in compiler errors, print more digits for floats close to an int 2022-10-20 21:52:09 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
LICENSE
PATENTS
README.md README.md: update wiki link 2022-04-26 16:21:18 +00:00
SECURITY.md SECURITY.md: replace golang.org with go.dev 2022-04-26 19:59:47 +00:00

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.

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://go.dev/dl/.

After downloading a binary release, visit https://go.dev/doc/install for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://go.dev/doc/install/source for source installation instructions.

Contributing

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

To contribute, please read the contribution guidelines at https://go.dev/doc/contribute.

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