ca5417b8e0
It's pretty hard to get reliable CPU numbers, even with 50 runs on an otherwise-idle physical Linux machine, but the garbage reduction numbers are nice. To get useful time/op numbers, I modified compilebench to report user CPU time instead of wall time: name old time/op new time/op delta Template 547ms ± 6% 557ms ± 5% +1.80% (p=0.001 n=49+49) Unicode 360ms ± 9% 365ms ± 6% ~ (p=0.094 n=50+45) GoTypes 1.84s ± 3% 1.82s ± 3% -1.50% (p=0.000 n=50+49) Compiler 9.19s ± 2% 9.02s ± 2% -1.87% (p=0.000 n=45+50) name old alloc/op new alloc/op delta Template 63.3MB ± 0% 59.1MB ± 0% -6.72% (p=0.000 n=50+50) Unicode 43.1MB ± 0% 42.9MB ± 0% -0.47% (p=0.000 n=50+49) GoTypes 220MB ± 0% 200MB ± 0% -9.00% (p=0.000 n=50+50) Compiler 1.00GB ± 0% 0.89GB ± 0% -10.09% (p=0.000 n=50+49) name old allocs/op new allocs/op delta Template 681k ± 0% 680k ± 0% -0.16% (p=0.000 n=50+48) Unicode 541k ± 0% 541k ± 0% -0.02% (p=0.011 n=48+50) GoTypes 2.08M ± 0% 2.08M ± 0% -0.19% (p=0.000 n=48+50) Compiler 9.24M ± 0% 9.23M ± 0% -0.11% (p=0.000 n=50+50) Change-Id: I1fac4ebf85a1783e3289c3ffb1ed365442837643 Reviewed-on: https://go-review.googlesource.com/20995 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Dave Cheney <dave@cheney.net> Reviewed-by: Keith Randall <khr@golang.org> |
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The Go Programming Language
Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.
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.
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To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html
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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.