qbit/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-11-05 15:26:15 -07:00
Code Releases Activity
The Go programming language
57,959 Commits 58 Branches 402 Tags 522 MiB
Go 89.6%
Assembly 5.2%
HTML 4.8%
C 0.2%
Shell 0.1%
b45b00162b
Go to file
Li Gang b45b00162b runtime: resolve false sharing for frequent memory allocate workloads 
False sharing observed inside mheap struct, between arenas and preceding
variables.Pad mheap.arenas and preceding variables to avoid false sharing

This false-sharing getting worse and impact performance on multi core
system and frequent memory allocate workloads. While running MinIO On a
2 socket system(56 Core per socket) and GOGC=1000, we observed HITM>8%
(perf c2c) on this cacheline.

After resolve this false-sharing issue, we got performance 17% improved.

Improvement verified on MinIO:
Server: https://github.com/minio/minio
Client: https://github.com/minio/warp
Config: Single node MinIO Server with 6 ramdisk, without TLS enabled,
        Run warp GET request, 128KB object and 512 concurrent

Fixes #62472

Signed-off-by: Li Gang<gang.g.li@intel.com>
Change-Id: I9a4a3c97f5bc8cd014c627f92d59d9187ebaaab5
Reviewed-on: https://go-review.googlesource.com/c/go/+/525955
Reviewed-by: Heschi Kreinick <heschi@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
2023-09-13 18:36:09 +00:00
.github .github: fix templates with multiple labels 2023-07-31 18:28:27 +00:00
api archive/tar: add AddFS method to Writer 2023-09-13 13:59:01 +00:00
doc reflect: make Value.IsZero identical to v == zero 2023-09-01 23:20:30 +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 runtime: resolve false sharing for frequent memory allocate workloads 2023-09-13 18:36:09 +00:00
test cmd/compile: sparse conditional constant propagation 2023-09-12 21:01:50 +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.