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Alexander Yastrebov bebf82cbf6 internal/zstd: use circular buffer for backreference window 
Use circular buffer to reduce data movements.
The CL also increases size of bigData to make changes of benchmark results apparent.

goos: linux
goarch: amd64
pkg: internal/zstd
        │ /tmp/BenchmarkLarge.old │       /tmp/BenchmarkLarge.new       │
        │         sec/op          │   sec/op     vs base                │
Large-8              12.672m ± 1%   9.521m ± 0%  -24.87% (p=0.000 n=10)

        │ /tmp/BenchmarkLarge.old │       /tmp/BenchmarkLarge.new        │
        │           B/s           │     B/s       vs base                │
Large-8              13.43Mi ± 1%   17.88Mi ± 0%  +33.08% (p=0.000 n=10)

        │ /tmp/BenchmarkLarge.old │       /tmp/BenchmarkLarge.new        │
        │          B/op           │     B/op      vs base                │
Large-8              58.23Ki ± 5%   41.72Ki ± 1%  -28.35% (p=0.000 n=10)

        │ /tmp/BenchmarkLarge.old │    /tmp/BenchmarkLarge.new     │
        │        allocs/op        │ allocs/op   vs base            │
Large-8                0.000 ± 0%   0.000 ± 0%  ~ (p=1.000 n=10)

Change-Id: Ic03fabfc575c5e6d18bcd5ba1c845aa502c12497
GitHub-Last-Rev: 16cb1e13ff
GitHub-Pull-Request: golang/go#62625
Reviewed-on: https://go-review.googlesource.com/c/go/+/528318
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
2023-09-20 18:05:09 +00:00
.github .github: issue template for telemetry proposals 2023-09-14 21:29:10 +00:00
api net/http: implement path value methods on Request 2023-09-14 00:00:28 +00:00
doc doc/go1.22: correct tipo languague => language 2023-09-18 17:33:59 +00:00
lib/time lib/time: update to 2023c/2023c 2023-05-03 20:14:11 +00:00
misc os: add tests for UserCacheDir and UserConfigDir 2023-08-21 17:46:57 +00:00
src internal/zstd: use circular buffer for backreference window 2023-09-20 18:05:09 +00:00
test cmd/compile: implement range over func 2023-09-20 14:52:38 +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/platform,cmd/dist: export the list of supported platforms 2023-06-22 19:44:52 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
go.env cmd/go: additional doc-inspired tests and bug fixes 2023-06-06 19:18:46 +00:00
LICENSE
PATENTS
README.md README: update from CC-BY-3.0 to CC-BY-4.0 2022-11-02 20:14:56 +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 4.0 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.