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The Go programming language
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Kirill Korotaev 2c87abcb28 base64: avoid compliler boundary checks in the hot loop 
Unfortunately compiler is not capable to realise that boundary checks
are not necessary on each src[si+N] access.
Selection of sub-slice helps.

benchmark                        old MB/s     new MB/s     speedup
BenchmarkEncodeToString-8        598.08       595.89       1.00x
BenchmarkDecodeString/2-8        96.32        98.97        1.03x
BenchmarkDecodeString/4-8        174.19       180.41       1.04x
BenchmarkDecodeString/8-8        215.03       225.91       1.05x
BenchmarkDecodeString/64-8       496.53       548.24       1.10x
BenchmarkDecodeString/8192-8     778.83       916.62       1.18x
 		2020-03-07 20:59:20 +07:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api sync: add new Map method LoadAndDelete 2020-02-25 14:31:55 +00:00
doc doc/go1.14: document that unparsable URL in net/url.Error is now quoted 2020-03-06 14:41:22 +00:00
lib/time lib/time: update tz data to 2019c 2019-11-26 12:03:08 +00:00
misc misc/cgo/test: fix sigaltstack test on AIX 2020-03-04 17:33:06 +00:00
src base64: avoid compliler boundary checks in the hot loop 2020-03-07 20:59:20 +07:00
test cmd/compile/internal/syntax: better scanner error messages 2020-03-05 00:40:38 +00:00
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.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: change email address for Akhil Indurti 2019-09-09 15:30:38 +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 1.14 2020-02-21 19:59:34 +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 thousands of contributors. We appreciate your help!

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.