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Dave Cheney ea5091fcd7 cmd/compile/internal/gc: don't let the argument to Fields.Set escape 
Apply Robert's optimisation from CL 21241 to Type.Fields. The results
are less impressive, possibly because of the makeup of the test data.

name      old time/op    new time/op    delta
Template     365ms ± 5%     365ms ± 3%    ~     (p=0.888 n=20+16)
Unicode      182ms ±10%     180ms ± 9%    ~     (p=0.883 n=20+20)
GoTypes      1.14s ± 2%     1.13s ± 3%    ~     (p=0.096 n=20+20)
Compiler     5.74s ± 1%     5.76s ± 2%    ~     (p=0.369 n=20+20)

name      old alloc/op   new alloc/op   delta
Template    56.8MB ± 0%    56.7MB ± 0%  -0.15%  (p=0.000 n=19+20)
Unicode     38.3MB ± 0%    38.3MB ± 0%  -0.02%  (p=0.006 n=20+19)
GoTypes      180MB ± 0%     180MB ± 0%  -0.13%  (p=0.000 n=20+20)
Compiler     805MB ± 0%     804MB ± 0%  -0.05%  (p=0.000 n=20+20)

name      old allocs/op  new allocs/op  delta
Template      485k ± 0%      482k ± 0%  -0.54%  (p=0.000 n=19+20)
Unicode       377k ± 0%      377k ± 0%  -0.05%  (p=0.005 n=20+20)
GoTypes      1.37M ± 0%     1.36M ± 0%  -0.53%  (p=0.000 n=20+19)
Compiler     5.42M ± 0%     5.41M ± 0%  -0.21%  (p=0.000 n=20+20)

Change-Id: I6782659fadd605ce9931bf5c737c7058b96a29eb
Reviewed-on: https://go-review.googlesource.com/21296
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2016-03-31 00:40:11 +00:00
.github
api
doc
lib/time
misc
src cmd/compile/internal/gc: don't let the argument to Fields.Set escape 2016-03-31 00:40:11 +00:00
test cmd/compile: generalize strength reduction of mulq 2016-03-30 22:27:13 +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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For documentation about how to install and use Go, visit https://golang.org/ or load doc/install-source.html in your web browser.

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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.