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Alberto Donizetti 4ed94ef1a8 cmd/compile: stack-allocate 2 worklists in order, dom passes 
Allocate two more ssa local worklists on the stack. The initial sizes
are chosen to cover >99% of the calls.

name      old time/op       new time/op       delta
Template        281ms ± 2%        283ms ± 5%    ~     (p=0.443 n=18+19)
Unicode         136ms ± 4%        135ms ± 7%    ~     (p=0.277 n=20+20)
GoTypes         886ms ± 2%        885ms ± 2%    ~     (p=0.862 n=20+20)
Compiler        4.03s ± 2%        4.02s ± 1%    ~     (p=0.270 n=19+20)
SSA             9.66s ± 1%        9.64s ± 2%    ~     (p=0.253 n=20+20)
Flate           186ms ± 5%        183ms ± 6%    ~     (p=0.174 n=20+20)
GoParser        222ms ± 4%        219ms ± 4%    ~     (p=0.081 n=20+20)
Reflect         569ms ± 2%        568ms ± 2%    ~     (p=0.686 n=19+19)
Tar             258ms ± 4%        256ms ± 3%    ~     (p=0.211 n=20+20)
XML             319ms ± 2%        317ms ± 3%    ~     (p=0.158 n=18+20)

name      old user-time/op  new user-time/op  delta
Template        396ms ± 6%        392ms ± 6%    ~     (p=0.211 n=20+20)
Unicode         212ms ±10%        211ms ± 9%    ~     (p=0.904 n=20+20)
GoTypes         1.21s ± 3%        1.21s ± 2%    ~     (p=0.183 n=20+20)
Compiler        5.60s ± 2%        5.62s ± 2%    ~     (p=0.355 n=18+18)
SSA             14.0s ± 6%        13.9s ± 5%    ~     (p=0.678 n=20+20)
Flate           250ms ± 8%        245ms ± 6%    ~     (p=0.166 n=19+20)
GoParser        305ms ± 6%        304ms ± 5%    ~     (p=0.659 n=20+20)
Reflect         760ms ± 3%        758ms ± 4%    ~     (p=0.758 n=20+20)
Tar             362ms ± 6%        357ms ± 5%    ~     (p=0.108 n=20+20)
XML             429ms ± 4%        429ms ± 4%    ~     (p=0.799 n=20+20)

name      old alloc/op      new alloc/op      delta
Template       39.0MB ± 0%       38.8MB ± 0%  -0.55%  (p=0.000 n=20+20)
Unicode        29.1MB ± 0%       29.1MB ± 0%  -0.06%  (p=0.000 n=20+20)
GoTypes         116MB ± 0%        115MB ± 0%  -0.50%  (p=0.000 n=20+20)
Compiler        493MB ± 0%        491MB ± 0%  -0.46%  (p=0.000 n=19+20)
SSA            1.40GB ± 0%       1.40GB ± 0%  -0.31%  (p=0.000 n=19+20)
Flate          25.0MB ± 0%       24.9MB ± 0%  -0.60%  (p=0.000 n=19+19)
GoParser       30.9MB ± 0%       30.7MB ± 0%  -0.66%  (p=0.000 n=20+20)
Reflect        77.5MB ± 0%       77.1MB ± 0%  -0.52%  (p=0.000 n=20+20)
Tar            39.2MB ± 0%       39.0MB ± 0%  -0.47%  (p=0.000 n=20+20)
XML            44.8MB ± 0%       44.6MB ± 0%  -0.45%  (p=0.000 n=20+19)

name      old allocs/op     new allocs/op     delta
Template         382k ± 0%         379k ± 0%  -0.69%  (p=0.000 n=20+19)
Unicode          337k ± 0%         336k ± 0%  -0.09%  (p=0.000 n=20+20)
GoTypes         1.19M ± 0%        1.18M ± 0%  -0.64%  (p=0.000 n=20+20)
Compiler        4.60M ± 0%        4.58M ± 0%  -0.57%  (p=0.000 n=20+20)
SSA             11.5M ± 0%        11.4M ± 0%  -0.42%  (p=0.000 n=19+20)
Flate            235k ± 0%         233k ± 0%  -0.74%  (p=0.000 n=20+19)
GoParser         316k ± 0%         313k ± 0%  -0.69%  (p=0.000 n=20+20)
Reflect          953k ± 0%         946k ± 0%  -0.81%  (p=0.000 n=20+20)
Tar              391k ± 0%         388k ± 0%  -0.61%  (p=0.000 n=20+19)
XML              413k ± 0%         411k ± 0%  -0.56%  (p=0.000 n=20+20)

Change-Id: I7378174e3550b47df4368b24cf24c8ce1b85c906
Reviewed-on: https://go-review.googlesource.com/104656
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
 		2018-04-04 11:12:32 +00:00
.github github: update Pull Request template 2018-02-21 02:07:46 +00:00
api api: add exception for os.ModeType value 2018-03-30 03:31:14 +00:00
doc doc: update 1.9.5 release notes to include net/http/pprof 2018-03-29 01:26:37 +00:00
lib/time all: use HTTPS for iana.org links 2018-02-13 18:36:48 +00:00
misc misc/wasm: add scripts for running WebAssembly binaries 2018-03-30 05:13:31 +00:00
src cmd/compile: stack-allocate 2 worklists in order, dom passes 2018-04-04 11:12:32 +00:00
test cmd/compile/internal/syntax: better error message for incorrect if/switch header 2018-04-03 21:57:37 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: update my name and spelling 2018-02-21 04:12:57 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS C: add Filippo Valsorda's @golang.org email 2018-03-12 22:29:04 +00:00
LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
PATENTS
…
README.md README: update number of contributors 2018-04-03 22:10:32 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
robots.txt
…

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.