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The Go programming language
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Vasily Leonenko f2e9076764 internal/bytealg: optimize Count/CountString on arm64 
Introduce ABIInternal support for Count/CountString
Move <32 size block from function end to beginning as fastpath

goos: linux
goarch: arm64
pkg: strings
                   │   base.txt   │               new.txt                │
                   │     B/s      │     B/s       vs base                │
CountByte/10         672.5Mi ± 0%   692.9Mi ± 0%   +3.04% (p=0.000 n=10)
CountByte/32         3.592Gi ± 0%   3.970Gi ± 0%  +10.53% (p=0.000 n=10)
CountByte/4096       16.63Gi ± 0%   16.73Gi ± 0%   +0.64% (p=0.000 n=10)
CountByte/4194304    14.97Gi ± 2%   15.02Gi ± 1%        ~ (p=0.190 n=10)
CountByte/67108864   12.50Gi ± 0%   12.50Gi ± 0%        ~ (p=0.853 n=10)
geomean              5.931Gi        6.099Gi        +2.83%

Change-Id: I5af1be2b117d9fb8d570739637499923de62251c
Reviewed-on: https://go-review.googlesource.com/c/go/+/662395
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Commit-Queue: Keith Randall <khr@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
 		2025-04-03 09:21:11 -07:00
.github .github: update language change proposal template 2024-08-08 19:02:29 +00:00
api api: move go1.25 to next/70250 2025-04-03 08:07:11 -07:00
doc api: move go1.25 to next/70250 2025-04-03 08:07:11 -07:00
lib lib/time: build with Ubuntu backward compatibility options 2025-02-06 17:10:15 -08:00
misc misc/linkcheck: remove unused tool 2025-03-20 04:38:55 -07:00
src internal/bytealg: optimize Count/CountString on arm64 2025-04-03 09:21:11 -07:00
test cmd/compile/internal/ssa: optimise more branches with zero on riscv64 2025-03-28 01:27:22 -07:00
.gitattributes
…
.gitignore runtime,internal: move runtime/internal/sys to internal/runtime/sys 2024-07-23 19:05:35 +00:00
CONTRIBUTING.md
…
LICENSE LICENSE: update per Google Legal 2024-08-09 14:54:31 +00:00
PATENTS
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README.md README: fix CC BY license name 2024-07-22 17:45:27 +00:00
SECURITY.md SECURITY.md: update the Reporting a Vulnerability link 2023-09-22 21:17:24 +00:00
codereview.cfg
…
go.env cmd/go: additional doc-inspired tests and bug fixes 2023-06-06 19:18:46 +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 4.0 Attribution 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.