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e424d59680
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Nigel Tao e424d59680 image/draw: optimize out some bounds checks. 
We could undoubtedly squeeze even more out of these loops, and in the
long term, a better compiler would be smarter with bounds checks, but in
the short term, this small change is an easy win.

benchmark                      old ns/op     new ns/op     delta
BenchmarkFillOver-8            1619470       1323192       -18.29%
BenchmarkCopyOver-8            1129369       1062787       -5.90%
BenchmarkGlyphOver-8           420070        378608        -9.87%

On github.com/golang/freetype/truetype's BenchmarkDrawString:
benchmark                 old ns/op     new ns/op     delta
BenchmarkDrawString-8     9561435       8807019       -7.89%

Change-Id: Ib1c6271ac18bced85e0fb5ebf250dd57d7747e75
Reviewed-on: https://go-review.googlesource.com/14093
Reviewed-by: Rob Pike <r@golang.org>
2015-09-01 00:34:26 +00:00
api api: update go1.5.txt 2015-07-30 21:14:09 +00:00
doc doc: mention vendoring in go1.6.txt (forgot git add before) 2015-08-28 15:44:28 +00:00
lib/time lib/time: update to IANA release 2015e. 2015-07-22 02:56:31 +00:00
misc misc/nacl: fix nacl build 2015-08-29 00:12:32 +00:00
src image/draw: optimize out some bounds checks. 2015-09-01 00:34:26 +00:00
test cmd/compile: fix register allocation for == operator 2015-08-25 18:10:14 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore .gitignore: ignore y.output 2015-06-10 00:28:52 +00:00
AUTHORS A+C: add Andy Maloney 2015-08-05 23:16:22 +00:00
CONTRIBUTING.md doc: suggest security@golang.org for reporting security issues 2015-06-26 09:53:36 +00:00
CONTRIBUTORS A+C: add Andy Maloney 2015-08-05 23:16:22 +00:00
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.md doc: fix broken link in README 2015-02-19 05:50:57 +00:00
robots.txt godoc: serve robots.txt raw 2011-02-19 05:46:20 +11:00

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.

Please report issues here: https://golang.org/issue/new

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

Please note that we do not use pull requests.

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.