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a8b2e4a630
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Lynn Boger a8b2e4a630 cmd/compile: improve LoweredMove performance on ppc64x 
This change improves the performance for LoweredMove on ppc64le
and ppc64.

benchmark                   old ns/op     new ns/op     delta
BenchmarkCopyFat8-16        0.93          0.69          -25.81%
BenchmarkCopyFat12-16       2.61          1.85          -29.12%
BenchmarkCopyFat16-16       9.68          1.89          -80.48%
BenchmarkCopyFat24-16       4.48          1.85          -58.71%
BenchmarkCopyFat32-16       6.12          1.82          -70.26%
BenchmarkCopyFat64-16       21.2          2.70          -87.26%
BenchmarkCopyFat128-16      29.6          3.97          -86.59%
BenchmarkCopyFat256-16      52.6          13.4          -74.52%
BenchmarkCopyFat512-16      97.1          18.7          -80.74%
BenchmarkCopyFat1024-16     186           35.3          -81.02%

BenchmarkAssertE2TLarge-16      14.2          5.06          -64.37%

Fixes #19785

Change-Id: I7d5e0052712b75811c02c7d86c5112e5649ad782
Reviewed-on: https://go-review.googlesource.com/38950
Reviewed-by: Keith Randall <khr@golang.org>
2017-03-31 21:24:09 +00:00
.github doc: improve issue template and contribution guidelines 2017-02-11 20:42:06 +00:00
api math/big: define Word as uint instead of uintptr 2017-02-21 19:31:40 +00:00
doc spec: for non-constant map keys, add reference to evaluation order section 2017-03-24 18:51:10 +00:00
lib/time *.bash: always use the same string equality operator 2017-03-14 21:46:31 +00:00
misc cmd/link: make mach-o dwarf segment properly aligned 2017-03-30 12:29:18 +00:00
src cmd/compile: improve LoweredMove performance on ppc64x 2017-03-31 21:24:09 +00:00
test cmd/compile: avoid infinite loops in dead blocks during phi insertion 2017-03-30 17:06:08 +00:00
.gitattributes
.gitignore cmd/dist: move cmd/go z files to cmd/go/internal/cfg 2017-02-03 20:30:52 +00:00
AUTHORS A+C: automated update 2016-12-21 03:22:22 +00:00
CONTRIBUTING.md doc: improve issue template and contribution guidelines 2017-02-11 20:42:06 +00:00
CONTRIBUTORS A+C: automated update 2016-12-21 03:22:22 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
PATENTS
README.md readme: add attribution for the Gopher image 2017-02-03 19:39:41 +00:00
robots.txt

README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 3.0 Attributions license.

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.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

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After downloading a binary release, visit https://golang.org/doc/install or load doc/install.html in your web browser for installation instructions.

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If a binary distribution is not available for your combination of operating system and architecture, visit https://golang.org/doc/install/source or load doc/install-source.html in your web browser for source installation instructions.

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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

Note that the Go project does not use GitHub pull requests, and that we use the issue tracker for bug reports and proposals only. See https://golang.org/wiki/Questions for a list of places to ask questions about the Go language.