qbit/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-11-12 10:30:23 -07:00
Code Releases Activity
The Go programming language
18,251 Commits 58 Branches 402 Tags 522 MiB
Go 89.6%
Assembly 5.2%
HTML 4.8%
C 0.2%
Shell 0.1%
3be4d95731
Go to file
Josh Bleecher Snyder 3be4d95731 runtime: change map iteration randomization to use intra-bucket offset 
Map iteration previously started from a random bucket, but walked each
bucket from the beginning. Now, iteration always starts from the first
bucket and walks each bucket starting at a random offset. For
performance, the random offset is selected at the start of iteration
and reused for each bucket.

Iteration over a map with 8 or fewer elements--a single bucket--will
now be non-deterministic. There will now be only 8 different possible
map iterations.

Significant benchmark changes, on my OS X laptop (rough but consistent):

benchmark                              old ns/op     new ns/op     delta
BenchmarkMapIter                       128           121           -5.47%
BenchmarkMapIterEmpty                  4.26          4.45          +4.46%
BenchmarkNewEmptyMap                   114           111           -2.63%

Fixes #6719.

R=khr, bradfitz
CC=golang-codereviews
https://golang.org/cl/47370043
2014-01-14 12:54:05 -08:00
api api: update next.txt 2014-01-14 10:18:43 -08:00
doc doc: add cmd/gofmt entry to go1.3.txt 2014-01-14 12:27:51 -08:00
include libmach: use different names for different Ureg types 2014-01-08 20:37:27 -05:00
lib codereview: switch defaultcc to golang-codereviews 2013-12-20 10:53:50 -05:00
misc runtime: co-exist with NPTL's pthread_cancel. 2014-01-09 09:34:04 -08:00
src runtime: change map iteration randomization to use intra-bucket offset 2014-01-14 12:54:05 -08:00
test cmd/gc: return canonical Node* from temp 2014-01-14 10:43:13 -05:00
.hgignore .hgignore: remove duplicate entry 2013-12-12 19:01:50 -08:00
.hgtags tag go1.2 2013-12-02 09:06:41 +11:00
AUTHORS C+A: add email alias for Michael Gehring 2014-01-13 13:57:06 -08:00
CONTRIBUTORS C: add Michael Kelly (Google CLA) 2014-01-14 12:53:06 -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
README README: Fix installation instructions 2013-11-20 13:47:37 -08:00
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-source.html
in your web browser.

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

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.