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e6beec1fc8
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Dave Cheney e6beec1fc8 cmd/compile/internal/ssa: avoid string conversion in zcse 
Some ssa.Type implementations fell through to gc.Tconv which generated
garbage to produce a string form of the Type.

name      old time/op    new time/op    delta
Template     405ms ± 7%     401ms ± 6%    ~     (p=0.478 n=20+20)
GoTypes      1.32s ± 1%     1.30s ± 2%  -1.27%  (p=0.000 n=19+20)
Compiler     6.07s ± 2%     6.03s ± 2%    ~     (p=0.121 n=20+20)

name      old alloc/op   new alloc/op   delta
Template    63.9MB ± 0%    63.7MB ± 0%  -0.21%  (p=0.000 n=19+20)
GoTypes      220MB ± 0%     219MB ± 0%  -0.21%  (p=0.000 n=20+20)
Compiler     966MB ± 0%     965MB ± 0%  -0.11%  (p=0.000 n=20+20)

name      old allocs/op  new allocs/op  delta
Template      708k ± 0%      701k ± 0%  -0.99%  (p=0.000 n=20+20)
GoTypes      2.20M ± 0%     2.17M ± 0%  -1.43%  (p=0.000 n=17+20)
Compiler     9.45M ± 0%     9.36M ± 0%  -0.91%  (p=0.000 n=20+20)

Change-Id: I5fcc30e0f76a823d1c301d4980b583d716a75ce3
Reviewed-on: https://go-review.googlesource.com/20844
Reviewed-by: Keith Randall <khr@golang.org>
2016-03-23 11:02:26 +00:00
.github doc: update issue template 2016-03-09 00:52:16 +00:00
api api: update next.txt 2016-03-21 07:46:44 +00:00
doc doc: GCC 6 will have the Go 1.6 user libraries 2016-03-11 00:03:15 +00:00
lib/time misc: update timezone database to IANA 2016a 2016-02-03 03:14:59 +00:00
misc misc/cgo/testcarchive: rewrite test from bash to Go 2016-03-23 02:08:49 +00:00
src cmd/compile/internal/ssa: avoid string conversion in zcse 2016-03-23 11:02:26 +00:00
test cmd/compile: update vendored math/big to latest version 2016-03-22 17:09:29 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore .gitignore: ignore src/go/build/zcgo.go 2016-02-24 04:25:46 +00:00
AUTHORS A+C: manual updates 2016-01-08 06:02:39 +00:00
CONTRIBUTING.md doc: use new Gerrit URL and mention our instance in CONTRIBUTING.md 2016-03-09 00:52:42 +00:00
CONTRIBUTORS A+C: manual updates 2016-01-08 06:02:39 +00:00
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LICENSE
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README.md readme: emphasize issue tracker is for bugs/proposals 2015-10-02 18:44:14 +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.

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For documentation about how to install and use Go, visit https://golang.org/ or load doc/install-source.html in your web browser.

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.

Go is the work of hundreds of contributors. We appreciate your help!

To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html

Note that we do not accept pull requests and that we use the issue tracker for bug reports and proposals only. Please ask questions on https://forum.golangbridge.org or https://groups.google.com/forum/#!forum/golang-nuts.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

--

Binary Distribution Notes

If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this file). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install-source.html). You should also add the Go binary directory $GOROOT/bin to your shell's path.

For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:

export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin

See https://golang.org/doc/install or doc/install.html for more details.