internal/bytealg: use PCALIGN in memequal #63757

AlexanderYastrebov · 2023-10-26T19:21:03Z

goos: linux
goarch: amd64
pkg: bytes
cpu: Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz
│ master │ HEAD │
│ sec/op │ sec/op vs base │
Equal/0-8 0.2800n ± 22% 0.2865n ± 26% ~ (p=0.075 n=10)
Equal/1-8 18.57n ± 2% 19.34n ± 6% +4.15% (p=0.014 n=10)
Equal/6-8 19.07n ± 1% 19.38n ± 2% +1.63% (p=0.014 n=10)
Equal/9-8 19.39n ± 2% 19.05n ± 1% -1.78% (p=0.005 n=10)
Equal/15-8 19.46n ± 1% 19.10n ± 1% -1.85% (p=0.000 n=10)
Equal/16-8 19.36n ± 2% 18.95n ± 1% -2.09% (p=0.011 n=10)
Equal/20-8 20.20n ± 1% 19.83n ± 1% -1.86% (p=0.001 n=10)
Equal/32-8 20.95n ± 1% 20.84n ± 1% -0.57% (p=0.010 n=10)
Equal/4K-8 97.40n ± 2% 81.34n ± 3% -16.49% (p=0.000 n=10)
Equal/4M-8 81.74µ ± 3% 71.52µ ± 4% -12.49% (p=0.000 n=10)
Equal/64M-8 1.319m ± 1% 1.139m ± 3% -13.68% (p=0.000 n=10)
EqualBothUnaligned/64_0-8 8.707n ± 4% 8.588n ± 3% ~ (p=0.353 n=10)
EqualBothUnaligned/64_1-8 8.513n ± 3% 8.614n ± 2% ~ (p=0.481 n=10)
EqualBothUnaligned/64_4-8 8.752n ± 3% 8.637n ± 4% ~ (p=0.148 n=10)
EqualBothUnaligned/64_7-8 8.742n ± 3% 8.514n ± 2% ~ (p=0.052 n=10)
EqualBothUnaligned/4096_0-8 89.87n ± 3% 70.44n ± 5% -21.63% (p=0.000 n=10)
EqualBothUnaligned/4096_1-8 91.67n ± 5% 70.89n ± 3% -22.67% (p=0.000 n=10)
EqualBothUnaligned/4096_4-8 90.43n ± 2% 70.52n ± 3% -22.01% (p=0.000 n=10)
EqualBothUnaligned/4096_7-8 89.53n ± 3% 72.02n ± 5% -19.56% (p=0.000 n=10)
EqualBothUnaligned/4194304_0-8 86.43µ ± 3% 73.40µ ± 4% -15.07% (p=0.000 n=10)
EqualBothUnaligned/4194304_1-8 85.48µ ± 2% 75.35µ ± 1% -11.85% (p=0.000 n=10)
EqualBothUnaligned/4194304_4-8 86.51µ ± 3% 75.44µ ± 4% -12.80% (p=0.000 n=10)
EqualBothUnaligned/4194304_7-8 86.40µ ± 3% 74.41µ ± 3% -13.88% (p=0.000 n=10)
EqualBothUnaligned/67108864_0-8 1.374m ± 3% 1.171m ± 3% -14.75% (p=0.000 n=10)
EqualBothUnaligned/67108864_1-8 1.401m ± 4% 1.198m ± 4% -14.49% (p=0.000 n=10)
EqualBothUnaligned/67108864_4-8 1.393m ± 4% 1.205m ± 4% -13.53% (p=0.000 n=10)
EqualBothUnaligned/67108864_7-8 1.396m ± 3% 1.199m ± 4% -14.11% (p=0.000 n=10)
geomean 735.7n 666.7n -9.39%

                            │    master    │                 HEAD                 │
                            │     B/s      │     B/s       vs base                │

Equal/1-8 51.36Mi ± 2% 49.32Mi ± 6% -3.98% (p=0.015 n=10)
Equal/6-8 300.0Mi ± 1% 295.3Mi ± 2% -1.57% (p=0.011 n=10)
Equal/9-8 442.5Mi ± 2% 450.6Mi ± 1% +1.82% (p=0.005 n=10)
Equal/15-8 734.9Mi ± 1% 748.8Mi ± 1% +1.90% (p=0.000 n=10)
Equal/16-8 788.4Mi ± 2% 805.2Mi ± 1% +2.14% (p=0.011 n=10)
Equal/20-8 944.2Mi ± 1% 961.8Mi ± 1% +1.87% (p=0.002 n=10)
Equal/32-8 1.422Gi ± 0% 1.430Gi ± 1% +0.58% (p=0.011 n=10)
Equal/4K-8 39.17Gi ± 2% 46.90Gi ± 3% +19.74% (p=0.000 n=10)
Equal/4M-8 47.79Gi ± 3% 54.62Gi ± 4% +14.27% (p=0.000 n=10)
Equal/64M-8 47.38Gi ± 1% 54.89Gi ± 3% +15.85% (p=0.000 n=10)
EqualBothUnaligned/64_0-8 6.845Gi ± 4% 6.940Gi ± 3% ~ (p=0.353 n=10)
EqualBothUnaligned/64_1-8 7.002Gi ± 3% 6.919Gi ± 2% ~ (p=0.481 n=10)
EqualBothUnaligned/64_4-8 6.811Gi ± 3% 6.901Gi ± 4% ~ (p=0.165 n=10)
EqualBothUnaligned/64_7-8 6.819Gi ± 3% 7.002Gi ± 2% ~ (p=0.052 n=10)
EqualBothUnaligned/4096_0-8 42.45Gi ± 3% 54.16Gi ± 5% +27.60% (p=0.000 n=10)
EqualBothUnaligned/4096_1-8 41.61Gi ± 6% 53.82Gi ± 3% +29.33% (p=0.000 n=10)
EqualBothUnaligned/4096_4-8 42.19Gi ± 2% 54.09Gi ± 3% +28.22% (p=0.000 n=10)
EqualBothUnaligned/4096_7-8 42.61Gi ± 3% 52.97Gi ± 5% +24.33% (p=0.000 n=10)
EqualBothUnaligned/4194304_0-8 45.20Gi ± 3% 53.22Gi ± 4% +17.75% (p=0.000 n=10)
EqualBothUnaligned/4194304_1-8 45.70Gi ± 2% 51.84Gi ± 1% +13.43% (p=0.000 n=10)
EqualBothUnaligned/4194304_4-8 45.15Gi ± 3% 51.78Gi ± 4% +14.68% (p=0.000 n=10)
EqualBothUnaligned/4194304_7-8 45.21Gi ± 3% 52.50Gi ± 4% +16.12% (p=0.000 n=10)
EqualBothUnaligned/67108864_0-8 45.50Gi ± 3% 53.37Gi ± 3% +17.30% (p=0.000 n=10)
EqualBothUnaligned/67108864_1-8 44.63Gi ± 4% 52.17Gi ± 4% +16.89% (p=0.000 n=10)
EqualBothUnaligned/67108864_4-8 44.86Gi ± 4% 51.88Gi ± 4% +15.65% (p=0.000 n=10)
EqualBothUnaligned/67108864_7-8 44.76Gi ± 3% 52.12Gi ± 4% +16.43% (p=0.000 n=10)
geomean 9.734Gi 10.79Gi +10.88%

For #63678

gopherbot · 2023-10-26T19:27:31Z

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gopherbot · 2023-10-26T20:05:06Z

Message from Mauri de Souza Meneguzzo:

Patch Set 1: Code-Review+1

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gopherbot · 2023-10-26T20:20:20Z

Message from Mauri de Souza Meneguzzo:

Patch Set 1: Run-TryBot+1

(1 comment)

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gopherbot · 2023-10-26T20:20:21Z

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Patch Set 1:

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gopherbot · 2023-10-26T20:27:50Z

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Patch Set 1:

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gopherbot · 2023-10-26T20:27:51Z

Message from Gopher Robot:

Patch Set 1: TryBot-Result-1

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gopherbot · 2023-10-27T15:10:17Z

Message from Mauri de Souza Meneguzzo:

Patch Set 1: -Run-TryBot

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gopherbot · 2023-11-09T13:26:04Z

Message from Mauri de Souza Meneguzzo:

Patch Set 1:

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goos: linux goarch: amd64 pkg: bytes cpu: Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz │ master │ HEAD │ │ sec/op │ sec/op vs base │ Equal/0-8 0.2800n ± 22% 0.2865n ± 26% ~ (p=0.075 n=10) Equal/1-8 18.57n ± 2% 19.34n ± 6% +4.15% (p=0.014 n=10) Equal/6-8 19.07n ± 1% 19.38n ± 2% +1.63% (p=0.014 n=10) Equal/9-8 19.39n ± 2% 19.05n ± 1% -1.78% (p=0.005 n=10) Equal/15-8 19.46n ± 1% 19.10n ± 1% -1.85% (p=0.000 n=10) Equal/16-8 19.36n ± 2% 18.95n ± 1% -2.09% (p=0.011 n=10) Equal/20-8 20.20n ± 1% 19.83n ± 1% -1.86% (p=0.001 n=10) Equal/32-8 20.95n ± 1% 20.84n ± 1% -0.57% (p=0.010 n=10) Equal/4K-8 97.40n ± 2% 81.34n ± 3% -16.49% (p=0.000 n=10) Equal/4M-8 81.74µ ± 3% 71.52µ ± 4% -12.49% (p=0.000 n=10) Equal/64M-8 1.319m ± 1% 1.139m ± 3% -13.68% (p=0.000 n=10) EqualBothUnaligned/64_0-8 8.707n ± 4% 8.588n ± 3% ~ (p=0.353 n=10) EqualBothUnaligned/64_1-8 8.513n ± 3% 8.614n ± 2% ~ (p=0.481 n=10) EqualBothUnaligned/64_4-8 8.752n ± 3% 8.637n ± 4% ~ (p=0.148 n=10) EqualBothUnaligned/64_7-8 8.742n ± 3% 8.514n ± 2% ~ (p=0.052 n=10) EqualBothUnaligned/4096_0-8 89.87n ± 3% 70.44n ± 5% -21.63% (p=0.000 n=10) EqualBothUnaligned/4096_1-8 91.67n ± 5% 70.89n ± 3% -22.67% (p=0.000 n=10) EqualBothUnaligned/4096_4-8 90.43n ± 2% 70.52n ± 3% -22.01% (p=0.000 n=10) EqualBothUnaligned/4096_7-8 89.53n ± 3% 72.02n ± 5% -19.56% (p=0.000 n=10) EqualBothUnaligned/4194304_0-8 86.43µ ± 3% 73.40µ ± 4% -15.07% (p=0.000 n=10) EqualBothUnaligned/4194304_1-8 85.48µ ± 2% 75.35µ ± 1% -11.85% (p=0.000 n=10) EqualBothUnaligned/4194304_4-8 86.51µ ± 3% 75.44µ ± 4% -12.80% (p=0.000 n=10) EqualBothUnaligned/4194304_7-8 86.40µ ± 3% 74.41µ ± 3% -13.88% (p=0.000 n=10) EqualBothUnaligned/67108864_0-8 1.374m ± 3% 1.171m ± 3% -14.75% (p=0.000 n=10) EqualBothUnaligned/67108864_1-8 1.401m ± 4% 1.198m ± 4% -14.49% (p=0.000 n=10) EqualBothUnaligned/67108864_4-8 1.393m ± 4% 1.205m ± 4% -13.53% (p=0.000 n=10) EqualBothUnaligned/67108864_7-8 1.396m ± 3% 1.199m ± 4% -14.11% (p=0.000 n=10) geomean 735.7n 666.7n -9.39% │ master │ HEAD │ │ B/s │ B/s vs base │ Equal/1-8 51.36Mi ± 2% 49.32Mi ± 6% -3.98% (p=0.015 n=10) Equal/6-8 300.0Mi ± 1% 295.3Mi ± 2% -1.57% (p=0.011 n=10) Equal/9-8 442.5Mi ± 2% 450.6Mi ± 1% +1.82% (p=0.005 n=10) Equal/15-8 734.9Mi ± 1% 748.8Mi ± 1% +1.90% (p=0.000 n=10) Equal/16-8 788.4Mi ± 2% 805.2Mi ± 1% +2.14% (p=0.011 n=10) Equal/20-8 944.2Mi ± 1% 961.8Mi ± 1% +1.87% (p=0.002 n=10) Equal/32-8 1.422Gi ± 0% 1.430Gi ± 1% +0.58% (p=0.011 n=10) Equal/4K-8 39.17Gi ± 2% 46.90Gi ± 3% +19.74% (p=0.000 n=10) Equal/4M-8 47.79Gi ± 3% 54.62Gi ± 4% +14.27% (p=0.000 n=10) Equal/64M-8 47.38Gi ± 1% 54.89Gi ± 3% +15.85% (p=0.000 n=10) EqualBothUnaligned/64_0-8 6.845Gi ± 4% 6.940Gi ± 3% ~ (p=0.353 n=10) EqualBothUnaligned/64_1-8 7.002Gi ± 3% 6.919Gi ± 2% ~ (p=0.481 n=10) EqualBothUnaligned/64_4-8 6.811Gi ± 3% 6.901Gi ± 4% ~ (p=0.165 n=10) EqualBothUnaligned/64_7-8 6.819Gi ± 3% 7.002Gi ± 2% ~ (p=0.052 n=10) EqualBothUnaligned/4096_0-8 42.45Gi ± 3% 54.16Gi ± 5% +27.60% (p=0.000 n=10) EqualBothUnaligned/4096_1-8 41.61Gi ± 6% 53.82Gi ± 3% +29.33% (p=0.000 n=10) EqualBothUnaligned/4096_4-8 42.19Gi ± 2% 54.09Gi ± 3% +28.22% (p=0.000 n=10) EqualBothUnaligned/4096_7-8 42.61Gi ± 3% 52.97Gi ± 5% +24.33% (p=0.000 n=10) EqualBothUnaligned/4194304_0-8 45.20Gi ± 3% 53.22Gi ± 4% +17.75% (p=0.000 n=10) EqualBothUnaligned/4194304_1-8 45.70Gi ± 2% 51.84Gi ± 1% +13.43% (p=0.000 n=10) EqualBothUnaligned/4194304_4-8 45.15Gi ± 3% 51.78Gi ± 4% +14.68% (p=0.000 n=10) EqualBothUnaligned/4194304_7-8 45.21Gi ± 3% 52.50Gi ± 4% +16.12% (p=0.000 n=10) EqualBothUnaligned/67108864_0-8 45.50Gi ± 3% 53.37Gi ± 3% +17.30% (p=0.000 n=10) EqualBothUnaligned/67108864_1-8 44.63Gi ± 4% 52.17Gi ± 4% +16.89% (p=0.000 n=10) EqualBothUnaligned/67108864_4-8 44.86Gi ± 4% 51.88Gi ± 4% +15.65% (p=0.000 n=10) EqualBothUnaligned/67108864_7-8 44.76Gi ± 3% 52.12Gi ± 4% +16.43% (p=0.000 n=10) geomean 9.734Gi 10.79Gi +10.88% For golang#63678

gopherbot · 2023-11-10T10:41:24Z

This PR (HEAD: 981d272) has been imported to Gerrit for code review.

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gopherbot · 2023-11-10T10:47:44Z

Message from Alexander Yastrebov:

Patch Set 1:

(2 comments)

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gopherbot · 2023-11-10T11:19:58Z

Message from qiulaidongfeng:

Patch Set 2: Run-TryBot+1

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gopherbot · 2023-11-10T11:26:21Z

Message from Gopher Robot:

Patch Set 2:

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gopherbot · 2023-11-10T11:32:41Z

Message from Gopher Robot:

Patch Set 2: TryBot-Result+1

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gopherbot · 2023-11-13T17:02:37Z

Message from Keith Randall:

Patch Set 2: Auto-Submit+1 Code-Review+2

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gopherbot · 2023-11-13T17:02:37Z

Message from Keith Randall:

Patch Set 2: Code-Review+1

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gopherbot · 2023-11-14T03:28:22Z

Message from qiulaidongfeng:

Patch Set 2: -Run-TryBot Code-Review+1

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goos: linux goarch: amd64 pkg: bytes cpu: Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz │ master │ HEAD │ │ sec/op │ sec/op vs base │ Equal/0-8 0.2800n ± 22% 0.2865n ± 26% ~ (p=0.075 n=10) Equal/1-8 18.57n ± 2% 19.34n ± 6% +4.15% (p=0.014 n=10) Equal/6-8 19.07n ± 1% 19.38n ± 2% +1.63% (p=0.014 n=10) Equal/9-8 19.39n ± 2% 19.05n ± 1% -1.78% (p=0.005 n=10) Equal/15-8 19.46n ± 1% 19.10n ± 1% -1.85% (p=0.000 n=10) Equal/16-8 19.36n ± 2% 18.95n ± 1% -2.09% (p=0.011 n=10) Equal/20-8 20.20n ± 1% 19.83n ± 1% -1.86% (p=0.001 n=10) Equal/32-8 20.95n ± 1% 20.84n ± 1% -0.57% (p=0.010 n=10) Equal/4K-8 97.40n ± 2% 81.34n ± 3% -16.49% (p=0.000 n=10) Equal/4M-8 81.74µ ± 3% 71.52µ ± 4% -12.49% (p=0.000 n=10) Equal/64M-8 1.319m ± 1% 1.139m ± 3% -13.68% (p=0.000 n=10) EqualBothUnaligned/64_0-8 8.707n ± 4% 8.588n ± 3% ~ (p=0.353 n=10) EqualBothUnaligned/64_1-8 8.513n ± 3% 8.614n ± 2% ~ (p=0.481 n=10) EqualBothUnaligned/64_4-8 8.752n ± 3% 8.637n ± 4% ~ (p=0.148 n=10) EqualBothUnaligned/64_7-8 8.742n ± 3% 8.514n ± 2% ~ (p=0.052 n=10) EqualBothUnaligned/4096_0-8 89.87n ± 3% 70.44n ± 5% -21.63% (p=0.000 n=10) EqualBothUnaligned/4096_1-8 91.67n ± 5% 70.89n ± 3% -22.67% (p=0.000 n=10) EqualBothUnaligned/4096_4-8 90.43n ± 2% 70.52n ± 3% -22.01% (p=0.000 n=10) EqualBothUnaligned/4096_7-8 89.53n ± 3% 72.02n ± 5% -19.56% (p=0.000 n=10) EqualBothUnaligned/4194304_0-8 86.43µ ± 3% 73.40µ ± 4% -15.07% (p=0.000 n=10) EqualBothUnaligned/4194304_1-8 85.48µ ± 2% 75.35µ ± 1% -11.85% (p=0.000 n=10) EqualBothUnaligned/4194304_4-8 86.51µ ± 3% 75.44µ ± 4% -12.80% (p=0.000 n=10) EqualBothUnaligned/4194304_7-8 86.40µ ± 3% 74.41µ ± 3% -13.88% (p=0.000 n=10) EqualBothUnaligned/67108864_0-8 1.374m ± 3% 1.171m ± 3% -14.75% (p=0.000 n=10) EqualBothUnaligned/67108864_1-8 1.401m ± 4% 1.198m ± 4% -14.49% (p=0.000 n=10) EqualBothUnaligned/67108864_4-8 1.393m ± 4% 1.205m ± 4% -13.53% (p=0.000 n=10) EqualBothUnaligned/67108864_7-8 1.396m ± 3% 1.199m ± 4% -14.11% (p=0.000 n=10) geomean 735.7n 666.7n -9.39% │ master │ HEAD │ │ B/s │ B/s vs base │ Equal/1-8 51.36Mi ± 2% 49.32Mi ± 6% -3.98% (p=0.015 n=10) Equal/6-8 300.0Mi ± 1% 295.3Mi ± 2% -1.57% (p=0.011 n=10) Equal/9-8 442.5Mi ± 2% 450.6Mi ± 1% +1.82% (p=0.005 n=10) Equal/15-8 734.9Mi ± 1% 748.8Mi ± 1% +1.90% (p=0.000 n=10) Equal/16-8 788.4Mi ± 2% 805.2Mi ± 1% +2.14% (p=0.011 n=10) Equal/20-8 944.2Mi ± 1% 961.8Mi ± 1% +1.87% (p=0.002 n=10) Equal/32-8 1.422Gi ± 0% 1.430Gi ± 1% +0.58% (p=0.011 n=10) Equal/4K-8 39.17Gi ± 2% 46.90Gi ± 3% +19.74% (p=0.000 n=10) Equal/4M-8 47.79Gi ± 3% 54.62Gi ± 4% +14.27% (p=0.000 n=10) Equal/64M-8 47.38Gi ± 1% 54.89Gi ± 3% +15.85% (p=0.000 n=10) EqualBothUnaligned/64_0-8 6.845Gi ± 4% 6.940Gi ± 3% ~ (p=0.353 n=10) EqualBothUnaligned/64_1-8 7.002Gi ± 3% 6.919Gi ± 2% ~ (p=0.481 n=10) EqualBothUnaligned/64_4-8 6.811Gi ± 3% 6.901Gi ± 4% ~ (p=0.165 n=10) EqualBothUnaligned/64_7-8 6.819Gi ± 3% 7.002Gi ± 2% ~ (p=0.052 n=10) EqualBothUnaligned/4096_0-8 42.45Gi ± 3% 54.16Gi ± 5% +27.60% (p=0.000 n=10) EqualBothUnaligned/4096_1-8 41.61Gi ± 6% 53.82Gi ± 3% +29.33% (p=0.000 n=10) EqualBothUnaligned/4096_4-8 42.19Gi ± 2% 54.09Gi ± 3% +28.22% (p=0.000 n=10) EqualBothUnaligned/4096_7-8 42.61Gi ± 3% 52.97Gi ± 5% +24.33% (p=0.000 n=10) EqualBothUnaligned/4194304_0-8 45.20Gi ± 3% 53.22Gi ± 4% +17.75% (p=0.000 n=10) EqualBothUnaligned/4194304_1-8 45.70Gi ± 2% 51.84Gi ± 1% +13.43% (p=0.000 n=10) EqualBothUnaligned/4194304_4-8 45.15Gi ± 3% 51.78Gi ± 4% +14.68% (p=0.000 n=10) EqualBothUnaligned/4194304_7-8 45.21Gi ± 3% 52.50Gi ± 4% +16.12% (p=0.000 n=10) EqualBothUnaligned/67108864_0-8 45.50Gi ± 3% 53.37Gi ± 3% +17.30% (p=0.000 n=10) EqualBothUnaligned/67108864_1-8 44.63Gi ± 4% 52.17Gi ± 4% +16.89% (p=0.000 n=10) EqualBothUnaligned/67108864_4-8 44.86Gi ± 4% 51.88Gi ± 4% +15.65% (p=0.000 n=10) EqualBothUnaligned/67108864_7-8 44.76Gi ± 3% 52.12Gi ± 4% +16.43% (p=0.000 n=10) geomean 9.734Gi 10.79Gi +10.88% For #63678 Change-Id: I427b8756e361fd4d36984c2bdb8bc3661ac3a0b8 GitHub-Last-Rev: 981d272 GitHub-Pull-Request: #63757 Reviewed-on: https://go-review.googlesource.com/c/go/+/537995 Reviewed-by: David Chase <[email protected]> TryBot-Result: Gopher Robot <[email protected]> Reviewed-by: qiulaidongfeng <[email protected]> Reviewed-by: Keith Randall <[email protected]> Reviewed-by: Mauri de Souza Meneguzzo <[email protected]> Auto-Submit: Keith Randall <[email protected]> Reviewed-by: Keith Randall <[email protected]>

gopherbot · 2023-11-17T16:45:30Z

This PR is being closed because golang.org/cl/537995 has been merged.

AlexanderYastrebov force-pushed the go63678-bytes-equal branch from b96373a to 981d272 Compare November 10, 2023 10:37

gopherbot closed this Nov 17, 2023

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internal/bytealg: use PCALIGN in memequal #63757

internal/bytealg: use PCALIGN in memequal #63757

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internal/bytealg: use PCALIGN in memequal #63757

internal/bytealg: use PCALIGN in memequal #63757

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