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Nigel Tao authored
Paletted, RGBA. benchmark old ns/op new ns/op delta BenchmarkDecodeGray 3681144 2536049 -31.11% BenchmarkDecodeNRGBAGradient 12108660 10020650 -17.24% BenchmarkDecodeNRGBAOpaque 10699230 8677165 -18.90% BenchmarkDecodePaletted 2562806 1458798 -43.08% BenchmarkDecodeRGB 8468175 7180730 -15.20% benchmark old MB/s new MB/s speedup BenchmarkDecodeGray 17.80 25.84 1.45x BenchmarkDecodeNRGBAGradient 21.65 26.16 1.21x BenchmarkDecodeNRGBAOpaque 24.50 30.21 1.23x BenchmarkDecodePaletted 25.57 44.92 1.76x BenchmarkDecodeRGB 30.96 36.51 1.18x $ file $GOROOT/src/pkg/image/png/testdata/bench* benchGray.png: PNG image, 256 x 256, 8-bit grayscale, non-interlaced benchNRGBA-gradient.png: PNG image, 256 x 256, 8-bit/color RGBA, non-interlaced benchNRGBA-opaque.png: PNG image, 256 x 256, 8-bit/color RGBA, non-interlaced benchPaletted.png: PNG image, 256 x 256, 8-bit colormap, non-interlaced benchRGB.png: PNG image, 256 x 256, 8-bit/color RGB, non-interlaced R=r CC=golang-dev https://golang.org/cl/6127051
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