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Nigel Tao 2a40e8dacf draw: RGBA dst fast path for scaling. 
benchmark                     old ns/op      new ns/op      delta
BenchmarkScaleLargeDownNN     6124873        3348203        -45.33%
BenchmarkScaleLargeDownAB     15608417       12626534       -19.10%
BenchmarkScaleLargeDownBL     1503354937     1482605150     -1.38%
BenchmarkScaleLargeDownCR     2987623786     2937846270     -1.67%
BenchmarkScaleDownNN          1793478        935896         -47.82%
BenchmarkScaleDownAB          4277596        3405613        -20.38%
BenchmarkScaleDownBL          29932226       29268085       -2.22%
BenchmarkScaleDownCR          57563042       57322266       -0.42%
BenchmarkScaleUpNN            89694138       46216098       -48.47%
BenchmarkScaleUpAB            212318283      169267373      -20.28%
BenchmarkScaleUpBL            120899444      80215032       -33.65%
BenchmarkScaleUpCR            181116518      140140247      -22.62%
BenchmarkScaleSrcNRGBA        13229017       10620746       -19.72%
BenchmarkScaleSrcRGBA         12993292       10155919       -21.84%
BenchmarkScaleSrcUniform      3964808        1146947        -71.07%
BenchmarkScaleSrcYCbCr        15871184       12779895       -19.48%

Change-Id: I7d92bd9f4c20692c5a52ea31019fe3852e657535
Reviewed-on: https://go-review.googlesource.com/6230
Reviewed-by: Rob Pike <r@golang.org>
2015-02-27 06:36:42 +00:00
bmp image: add import comments. 2014-12-09 22:43:18 +00:00
cmd/webp-manual-test image: add import comments. 2014-12-09 22:43:18 +00:00
draw draw: RGBA dst fast path for scaling. 2015-02-27 06:36:42 +00:00
riff image: add import comments. 2014-12-09 22:43:18 +00:00
testdata draw: new package, a superset of the standard library's image/draw 2015-02-17 23:20:02 +00:00
tiff image: add import comments. 2014-12-09 22:43:18 +00:00
vp8 image: add import comments. 2014-12-09 22:43:18 +00:00
vp8l image: add import comments. 2014-12-09 22:43:18 +00:00
webp image: add import comments. 2014-12-09 22:43:18 +00:00
.gitattributes image: copying .gitattributes to all subrepositories 2014-12-23 11:05:35 +00:00
.gitignore convert .hgignore to .gitignore. 2014-12-08 10:42:30 +11:00
AUTHORS go.empty: prototype for new subrepository 2012-01-25 14:45:13 -05:00
CONTRIBUTING.md doc: add CONTRIBUTING.md 2015-02-20 05:00:47 +00:00
CONTRIBUTORS go.empty: prototype for new subrepository 2012-01-25 14:45:13 -05:00
LICENSE LICENSE: add 2012-03-17 15:20:31 +11:00
PATENTS go.image: add PATENTS file to the subrepo. 2012-04-16 11:25:02 +10:00
README go.image: initial code. 2012-01-31 11:32:50 +11:00

README 

This repository holds supplementary Go image libraries.

To submit changes to this repository, see http://golang.org/doc/contribute.html.