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| author | limeidan <limeidan@loongson.cn> | 2025-05-07 17:04:54 +0800 |
|---|---|---|
| committer | abner chenc <chenguoqi@loongson.cn> | 2025-05-13 17:41:37 -0700 |
| commit | a1c3e2f008267b976e69866b599b113399ad4724 (patch) | |
| tree | eb92f4dfd11b41f45cc0e9a5e7cc006bb118cb22 /src/cmd/internal/script/scripttest/setup.go | |
| parent | 9e026bf9cc1dcb6ef24d26398182a22d9d6cd2d2 (diff) | |
| download | go-a1c3e2f008267b976e69866b599b113399ad4724.tar.xz | |
internal/bytealg: optimize the function compare using SIMD on loong64
goos: linux
goarch: loong64
pkg: bytes
cpu: Loongson-3A6000-HV @ 2500.00MHz
│ old │ new │
│ sec/op │ sec/op vs base │
BytesCompare/1 7.238n ± 25% 5.204n ± 0% -28.10% (p=0.001 n=10)
BytesCompare/2 7.242n ± 6% 5.204n ± 0% -28.14% (p=0.000 n=10)
BytesCompare/4 7.229n ± 5% 4.403n ± 0% -39.10% (p=0.000 n=10)
BytesCompare/8 7.077n ± 36% 4.403n ± 0% -37.78% (p=0.000 n=10)
BytesCompare/16 8.373n ± 6% 6.004n ± 0% -28.30% (p=0.000 n=10)
BytesCompare/32 8.040n ± 3% 4.803n ± 0% -40.26% (p=0.000 n=10)
BytesCompare/64 8.434n ± 24% 10.410n ± 0% +23.42% (p=0.014 n=10)
BytesCompare/128 11.530n ± 23% 5.604n ± 0% -51.40% (p=0.000 n=10)
BytesCompare/256 14.180n ± 0% 7.606n ± 0% -46.36% (p=0.000 n=10)
BytesCompare/512 26.83n ± 0% 10.81n ± 0% -59.71% (p=0.000 n=10)
BytesCompare/1024 52.60n ± 0% 17.21n ± 0% -67.28% (p=0.000 n=10)
BytesCompare/2048 103.70n ± 0% 30.02n ± 0% -71.05% (p=0.000 n=10)
geomean 13.49n 7.607n -43.63%
goos: linux
goarch: loong64
pkg: bytes
cpu: Loongson-3A6000-HV @ 2500.00MHz
│ old │ new │
│ sec/op │ sec/op vs base │
CompareBytesEqual 5.603n ± 0% 5.604n ± 0% ~ (p=0.191 n=10)
CompareBytesToNil 3.202n ± 0% 3.202n ± 0% ~ (p=1.000 n=10)
CompareBytesEmpty 2.802n ± 0% 2.802n ± 0% ~ (p=1.000 n=10)
CompareBytesIdentical 3.202n ± 0% 2.538n ± 1% -20.72% (p=0.000 n=10)
CompareBytesSameLength 8.805n ± 0% 4.803n ± 0% -45.45% (p=0.000 n=10)
CompareBytesDifferentLength 9.206n ± 0% 4.403n ± 0% -52.17% (p=0.000 n=10)
CompareBytesBigUnaligned/offset=1 82.04µ ± 0% 45.91µ ± 0% -44.04% (p=0.000 n=10)
CompareBytesBigUnaligned/offset=2 82.04µ ± 0% 45.91µ ± 0% -44.04% (p=0.000 n=10)
CompareBytesBigUnaligned/offset=3 82.04µ ± 0% 45.91µ ± 0% -44.04% (p=0.000 n=10)
CompareBytesBigUnaligned/offset=4 82.04µ ± 0% 45.91µ ± 0% -44.04% (p=0.000 n=10)
CompareBytesBigUnaligned/offset=5 82.04µ ± 0% 45.91µ ± 0% -44.04% (p=0.000 n=10)
CompareBytesBigUnaligned/offset=6 82.03µ ± 0% 45.93µ ± 0% -44.01% (p=0.000 n=10)
CompareBytesBigUnaligned/offset=7 82.04µ ± 0% 45.93µ ± 0% -44.01% (p=0.000 n=10)
CompareBytesBigBothUnaligned/offset=0 78.76µ ± 0% 45.69µ ± 0% -41.98% (p=0.000 n=10)
CompareBytesBigBothUnaligned/offset=1 85.32µ ± 0% 46.04µ ± 0% -46.03% (p=0.000 n=10)
CompareBytesBigBothUnaligned/offset=2 85.31µ ± 0% 46.04µ ± 0% -46.03% (p=0.000 n=10)
CompareBytesBigBothUnaligned/offset=3 85.32µ ± 0% 46.04µ ± 0% -46.03% (p=0.000 n=10)
CompareBytesBigBothUnaligned/offset=4 85.32µ ± 0% 46.04µ ± 0% -46.03% (p=0.000 n=10)
CompareBytesBigBothUnaligned/offset=5 85.32µ ± 0% 46.04µ ± 0% -46.03% (p=0.000 n=10)
CompareBytesBigBothUnaligned/offset=6 85.31µ ± 0% 46.06µ ± 0% -46.02% (p=0.000 n=10)
CompareBytesBigBothUnaligned/offset=7 85.32µ ± 0% 52.32µ ± 7% -38.68% (p=0.000 n=10)
CompareBytesBig 78.76µ ± 0% 50.20µ ± 6% -36.26% (p=0.000 n=10)
CompareBytesBigIdentical 3.202n ± 0% 3.442n ± 24% ~ (p=0.462 n=10)
geomean 4.197µ 2.630µ -37.34%
Change-Id: I621145aef3e6a2c68e7127152f26ed047c6b2ece
Reviewed-on: https://go-review.googlesource.com/c/go/+/671315
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Diffstat (limited to 'src/cmd/internal/script/scripttest/setup.go')
0 files changed, 0 insertions, 0 deletions