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Marcel van Lohuizen 9b299c1efd unicode/utf8: removed uses of ranging over string 
Ranging over string is much slower than using DecodeRuneInString.
See golang.org/issue/13162.

Replacing ranging over a string with the implementation of the Bytes
counterpart results in the following performance improvements:

RuneCountInStringTenASCIIChars-8     43.0ns ± 1%  16.4ns ± 2%  -61.80%  (p=0.000 n=7+8)
RuneCountInStringTenJapaneseChars-8   161ns ± 2%   154ns ± 2%   -4.58%  (p=0.000 n=8+8)
ValidStringTenASCIIChars-8           52.2ns ± 1%  13.2ns ± 1%  -74.62%  (p=0.001 n=7+7)
ValidStringTenJapaneseChars-8         173ns ± 2%   153ns ± 2%  -11.78%  (p=0.000 n=7+8)

Update golang/go#13162

Change-Id: Ifc40a6a94bb3317f1f2d929d310bd2694645e9f6
Reviewed-on: https://go-review.googlesource.com/16695
Reviewed-by: Russ Cox <rsc@golang.org>
2015-11-16 11:29:13 +00:00
api api: update next.txt 2015-11-13 09:26:18 +00:00
doc cmd/dist: default to clang, not gcc, on freebsd 2015-11-14 03:35:41 +00:00
lib/time lib/time: update to IANA release 2015e. 2015-07-22 02:56:31 +00:00
misc cmd/link, cmd/go, cmd/dist: use copy of libgcc.a for internal linking 2015-11-14 18:56:17 +00:00
src unicode/utf8: removed uses of ranging over string 2015-11-16 11:29:13 +00:00
test cmd/compile/internal/gc: recursive-descent parser 2015-11-13 14:53:57 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore runtime: break out system-specific constants into package sys 2015-11-12 17:04:45 +00:00
AUTHORS A+C: automated updates 2015-11-13 14:07:05 +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 Steve Newman (Google CLA) 2015-11-13 15:51:00 +00:00
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LICENSE
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README.md readme: emphasize issue tracker is for bugs/proposals 2015-10-02 18:44:14 +00:00
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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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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.