inflate: 10-15% faster decompression#293
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klauspost
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Nov 9, 2020
klauspost
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``` λ benchcmp before.txt after.txt benchmark old ns/op new ns/op delta BenchmarkDecodeDigitsSpeed1e4-32 56514 52065 -7.87% BenchmarkDecodeDigitsSpeed1e5-32 640875 554792 -13.43% BenchmarkDecodeDigitsSpeed1e6-32 6402174 5513890 -13.87% BenchmarkDecodeDigitsDefault1e4-32 61343 54619 -10.96% BenchmarkDecodeDigitsDefault1e5-32 622027 537596 -13.57% BenchmarkDecodeDigitsDefault1e6-32 6236843 5297780 -15.06% BenchmarkDecodeDigitsCompress1e4-32 60749 54412 -10.43% BenchmarkDecodeDigitsCompress1e5-32 676871 596456 -11.88% BenchmarkDecodeDigitsCompress1e6-32 6749999 5935333 -12.07% BenchmarkDecodeTwainSpeed1e4-32 59802 53984 -9.73% BenchmarkDecodeTwainSpeed1e5-32 629727 547914 -12.99% BenchmarkDecodeTwainSpeed1e6-32 6247368 5438356 -12.95% BenchmarkDecodeTwainDefault1e4-32 59156 52760 -10.81% BenchmarkDecodeTwainDefault1e5-32 584153 512330 -12.30% BenchmarkDecodeTwainDefault1e6-32 5725959 4933883 -13.83% BenchmarkDecodeTwainCompress1e4-32 56871 51282 -9.83% BenchmarkDecodeTwainCompress1e5-32 535344 469828 -12.24% BenchmarkDecodeTwainCompress1e6-32 5266667 4636718 -11.96% BenchmarkDecodeRandomSpeed1e4-32 314 311 -0.96% BenchmarkDecodeRandomSpeed1e5-32 1962 1955 -0.36% BenchmarkDecodeRandomSpeed1e6-32 20149 20369 +1.09% benchmark old MB/s new MB/s speedup BenchmarkDecodeDigitsSpeed1e4-32 176.95 192.07 1.09x BenchmarkDecodeDigitsSpeed1e5-32 156.04 180.25 1.16x BenchmarkDecodeDigitsSpeed1e6-32 156.20 181.36 1.16x BenchmarkDecodeDigitsDefault1e4-32 163.02 183.09 1.12x BenchmarkDecodeDigitsDefault1e5-32 160.76 186.01 1.16x BenchmarkDecodeDigitsDefault1e6-32 160.34 188.76 1.18x BenchmarkDecodeDigitsCompress1e4-32 164.61 183.78 1.12x BenchmarkDecodeDigitsCompress1e5-32 147.74 167.66 1.13x BenchmarkDecodeDigitsCompress1e6-32 148.15 168.48 1.14x BenchmarkDecodeTwainSpeed1e4-32 167.22 185.24 1.11x BenchmarkDecodeTwainSpeed1e5-32 158.80 182.51 1.15x BenchmarkDecodeTwainSpeed1e6-32 160.07 183.88 1.15x BenchmarkDecodeTwainDefault1e4-32 169.04 189.54 1.12x BenchmarkDecodeTwainDefault1e5-32 171.19 195.19 1.14x BenchmarkDecodeTwainDefault1e6-32 174.64 202.68 1.16x BenchmarkDecodeTwainCompress1e4-32 175.84 195.00 1.11x BenchmarkDecodeTwainCompress1e5-32 186.80 212.84 1.14x BenchmarkDecodeTwainCompress1e6-32 189.87 215.67 1.14x BenchmarkDecodeRandomSpeed1e4-32 31888.50 32136.37 1.01x BenchmarkDecodeRandomSpeed1e5-32 50976.74 51150.89 1.00x BenchmarkDecodeRandomSpeed1e6-32 49629.09 49094.25 0.99x ```
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