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The Go programming language
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ee6e1a3ff7
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Dmitriy Vyukov ee6e1a3ff7 sync: add fast paths to WaitGroup 
benchmark                                        old ns/op    new ns/op    delta
BenchmarkWaitGroupUncontended                        93.50        33.60  -64.06%
BenchmarkWaitGroupUncontended-2                      44.30        16.90  -61.85%
BenchmarkWaitGroupUncontended-4                      21.80         8.47  -61.15%
BenchmarkWaitGroupUncontended-8                      12.10         4.86  -59.83%
BenchmarkWaitGroupUncontended-16                      7.38         3.35  -54.61%
BenchmarkWaitGroupAddDone                            58.40        33.70  -42.29%
BenchmarkWaitGroupAddDone-2                         293.00        85.80  -70.72%
BenchmarkWaitGroupAddDone-4                         243.00        51.10  -78.97%
BenchmarkWaitGroupAddDone-8                         236.00        52.20  -77.88%
BenchmarkWaitGroupAddDone-16                        215.00        43.30  -79.86%
BenchmarkWaitGroupAddDoneWork                       826.00       794.00   -3.87%
BenchmarkWaitGroupAddDoneWork-2                     450.00       424.00   -5.78%
BenchmarkWaitGroupAddDoneWork-4                     277.00       220.00  -20.58%
BenchmarkWaitGroupAddDoneWork-8                     440.00       116.00  -73.64%
BenchmarkWaitGroupAddDoneWork-16                    569.00        66.50  -88.31%
BenchmarkWaitGroupWait                               29.00         8.04  -72.28%
BenchmarkWaitGroupWait-2                             74.10         4.15  -94.40%
BenchmarkWaitGroupWait-4                            117.00         2.30  -98.03%
BenchmarkWaitGroupWait-8                            111.00         1.31  -98.82%
BenchmarkWaitGroupWait-16                           104.00         1.27  -98.78%
BenchmarkWaitGroupWaitWork                          802.00       792.00   -1.25%
BenchmarkWaitGroupWaitWork-2                        411.00       401.00   -2.43%
BenchmarkWaitGroupWaitWork-4                        210.00       199.00   -5.24%
BenchmarkWaitGroupWaitWork-8                        206.00       105.00  -49.03%
BenchmarkWaitGroupWaitWork-16                       334.00        54.40  -83.71%

R=rsc
CC=golang-dev
https://golang.org/cl/4672050
2011-07-18 12:35:55 -04:00
doc doc: fix padding on h1 tags 2011-07-18 17:30:00 +10:00
include build: fix header files for Plan 9 2011-06-14 14:14:11 -04:00
lib codereview: fix for Mercurial 1.9 2011-07-11 22:58:40 -04:00
misc cgo: add missing semicolon in generated struct 2011-07-18 07:23:52 -07:00
src sync: add fast paths to WaitGroup 2011-07-18 12:35:55 -04:00
test runtime: fix panic for make(chan [0]byte). 2011-07-18 15:54:11 +10:00
.hgignore go/build: exclude cgo test from arm 2011-06-06 09:25:30 +10:00
.hgtags tag release.r58.1: adds OS X Lion support 2011-07-12 17:44:59 -07:00
AUTHORS A+C: Matthew Horsnell (individual CLA) 2011-07-13 12:33:03 -07:00
CONTRIBUTORS A+C: Matthew Horsnell (individual CLA) 2011-07-13 12:33:03 -07:00
favicon.ico add a favicon plus a couple of hi-res versions of gordon 2009-10-26 10:13:07 -07:00
LICENSE LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README build: update, streamline documentation for new $GOBIN 2010-08-24 20:00:50 -04:00
robots.txt godoc: serve robots.txt raw 2011-02-19 05:46:20 +11:00

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.