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The Go programming language
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4022fc4e21
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Shenghou Ma 4022fc4e21 runtime: use vDSO clock_gettime for time.now & runtime.nanotime on Linux/amd64 
Performance improvement aside, time.Now() now gets real nanosecond resolution
on supported systems.

Benchmark done on Core i7-2600 @ 3.40GHz with kernel 3.5.2-gentoo.
original vDSO gettimeofday:
BenchmarkNow    100000000               27.4 ns/op
new vDSO gettimeofday fallback:
BenchmarkNow    100000000               27.6 ns/op
new vDSO clock_gettime:
BenchmarkNow    100000000               24.4 ns/op

R=golang-dev, bradfitz, iant, iant
CC=golang-dev
https://golang.org/cl/6814103
2012-11-09 14:19:07 +08:00
api api: refresh next.txt 2012-11-07 15:26:41 -05:00
doc doc/effective_go: don't use ALL_CAPS for variable names. 2012-11-08 11:55:46 +11:00
include lib9: remove unreferenced externs and getuser() 2012-11-08 09:39:24 -05:00
lib codereview: protect against read-only upstream repository 2012-10-20 17:23:48 +08:00
misc misc/benchcmp: show memory statistics, when available 2012-11-03 02:13:51 +08:00
src runtime: use vDSO clock_gettime for time.now & runtime.nanotime on Linux/amd64 2012-11-09 14:19:07 +08:00
test test: change index.go to test size of int, not GOARCH == "amd64" 2012-11-08 15:43:28 -08:00
.hgignore build: update Makefile to track source code dependencies better 2012-03-13 03:31:11 +08:00
.hgtags tag go1.0.3 2012-09-24 13:15:33 -05:00
AUTHORS A+C: Péter Surányi (individual CLA) 2012-11-05 22:48:27 +01:00
CONTRIBUTORS CONTRIBUTORS: Add Carl Mastrangelo (Google CLA). 2012-11-06 15:58:18 -08:00
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 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.