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045dbeaf05
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Rémy Oudompheng 045dbeaf05 cmd/gc, runtime: inline append in frontend. 
A new transformation during walk turns append calls
into a combination of growslice and memmove.

benchmark                     old ns/op    new ns/op    delta
BenchmarkAppend                     141          141   +0.00%
BenchmarkAppend1Byte                 18           11  -39.56%
BenchmarkAppend4Bytes                19           10  -42.63%
BenchmarkAppend7Bytes                18           10  -42.16%
BenchmarkAppend8Bytes                18           10  -40.44%
BenchmarkAppend15Bytes               19           11  -41.67%
BenchmarkAppend16Bytes               19           11  -41.97%
BenchmarkAppend32Bytes               23           14  -38.82%
BenchmarkAppendStr1Byte              14           10  -23.78%
BenchmarkAppendStr4Bytes             14           11  -21.13%
BenchmarkAppendStr8Bytes             14           10  -25.17%
BenchmarkAppendStr16Bytes            19           11  -41.45%
BenchmarkAppendStr32Bytes            18           14  -19.44%
BenchmarkAppendSpecialCase           62           63   +1.77%

R=golang-dev, khr, cshapiro, rsc, dave
CC=golang-dev
https://golang.org/cl/12815046
2013-09-16 20:31:21 -04:00
api api: update go1.1, except and next.txt with constant values 2013-09-06 12:01:18 -07:00
doc effective_go: add a discussion of labeled break and continue 2013-09-17 07:41:45 +10:00
include build: remove various uses of C undefined behavior 2013-09-09 15:07:23 -04:00
lib codereview: update use of promptchoice for Mercurial 2.7 2013-09-06 15:48:21 -04:00
misc cmd/cgo: fix build (missing file from earlier CL) 2013-09-16 14:21:54 -04:00
src cmd/gc, runtime: inline append in frontend. 2013-09-16 20:31:21 -04:00
test cmd/gc: fix divide by zero error in compiler 2013-09-16 14:22:37 -04:00
.hgignore build: ignore new zfiles, delete temp goplay binary in run.bash 2013-08-02 19:14:13 -07:00
.hgtags tag go1.1.2 2013-08-13 16:33:59 +10:00
AUTHORS A+C: Nicholas Sullivan 2013-09-12 11:17:37 -04:00
CONTRIBUTORS C: Jamie Wilkinson (Googler CLA) 2013-09-13 13:17:47 +10:00
favicon.ico godoc: update favicon 2012-10-11 17:02:36 +11:00
LICENSE doc: update licensing text one more time 2012-03-27 15:09:13 +11:00
PATENTS
README
robots.txt

README 

This is the source code repository for the Go programming language.  

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

After installing Go, you can view a nicely formatted
doc/install.html by running godoc --http=:6060
and then visiting http://localhost:6060/doc/install.html.

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 README).  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.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 doc/install.html for more details.