diff options
| author | Rui Ueyama <ruiu@google.com> | 2014-07-29 14:29:14 +1000 |
|---|---|---|
| committer | Rui Ueyama <ruiu@google.com> | 2014-07-29 14:29:14 +1000 |
| commit | 670466819fb227cda4ca8f8c1f4f3ce539ebfefd (patch) | |
| tree | 7d74184e3ef67211d6e5922a8840fbe4563498e4 /src/cmd/ld/decodesym.c | |
| parent | 57103e87611c1f4fff4ee6d50406ce7438e055bd (diff) | |
| download | go-670466819fb227cda4ca8f8c1f4f3ce539ebfefd.tar.gz | |
image/png: use branch-free abs function
benchmark old ns/op new ns/op delta
BenchmarkPaeth 5.06 6.02 +18.97%
BenchmarkDecodeGray 1010551 956911 -5.31%
BenchmarkDecodeNRGBAGradient 3877813 3754160 -3.19%
BenchmarkDecodeNRGBAOpaque 3194058 3079094 -3.60%
BenchmarkDecodePaletted 699243 700211 +0.14%
BenchmarkDecodeRGB 2835733 2692120 -5.06%
BenchmarkDecodeInterlacing 3651805 3563124 -2.43%
BenchmarkEncodeGray 4399183 4404113 +0.11%
BenchmarkEncodeNRGBOpaque 13323627 13306485 -0.13%
BenchmarkEncodeNRGBA 15840092 15751188 -0.56%
BenchmarkEncodePaletted 4396622 4404373 +0.18%
BenchmarkEncodeRGBOpaque 13320475 13279189 -0.31%
BenchmarkEncodeRGBA 36898392 36781002 -0.32%
LGTM=nigeltao
R=nigeltao
CC=golang-codereviews
https://codereview.appspot.com/117290043
Committer: Nigel Tao <nigeltao@golang.org>
Diffstat (limited to 'src/cmd/ld/decodesym.c')
0 files changed, 0 insertions, 0 deletions