diff options
| author | limeidan <limeidan@loongson.cn> | 2025-03-25 15:02:03 +0800 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2025-04-09 09:18:20 -0700 |
| commit | 09d76e59d2e4e1c8d2c2ea99570647890057966f (patch) | |
| tree | cf52ce76dece56cdf1635291c3bbcd21e6e40a00 /src/cmd/internal | |
| parent | ecc06f0db79193a4fe16138148c7eb26d9af96f1 (diff) | |
| download | go-09d76e59d2e4e1c8d2c2ea99570647890057966f.tar.xz | |
cmd/compile: set unalignedOK to make memcombine work properly on loong64
goos: linux
goarch: loong64
pkg: unicode/utf8
cpu: Loongson-3A6000-HV @ 2500.00MHz
│ old │ new │
│ sec/op │ sec/op vs base │
ValidTenASCIIChars 7.604n ± 0% 6.805n ± 0% -10.51% (p=0.000 n=10)
Valid100KASCIIChars 37.41µ ± 0% 16.58µ ± 0% -55.67% (p=0.000 n=10)
ValidTenJapaneseChars 60.84n ± 0% 58.62n ± 0% -3.64% (p=0.000 n=10)
ValidLongMostlyASCII 113.5µ ± 0% 113.5µ ± 0% ~ (p=0.303 n=10)
ValidLongJapanese 204.6µ ± 0% 206.8µ ± 0% +1.07% (p=0.000 n=10)
ValidStringTenASCIIChars 7.604n ± 0% 6.803n ± 0% -10.53% (p=0.000 n=10)
ValidString100KASCIIChars 38.05µ ± 0% 17.14µ ± 0% -54.97% (p=0.000 n=10)
ValidStringTenJapaneseChars 60.58n ± 0% 59.48n ± 0% -1.82% (p=0.000 n=10)
ValidStringLongMostlyASCII 113.5µ ± 0% 113.4µ ± 0% -0.10% (p=0.000 n=10)
ValidStringLongJapanese 205.9µ ± 0% 207.3µ ± 0% +0.67% (p=0.000 n=10)
geomean 3.324µ 2.756µ -17.08%
Change-Id: Id43b6e2e41907bd4b92f421dacde31f048db47d6
Reviewed-on: https://go-review.googlesource.com/c/go/+/662495
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Keith Randall <khr@google.com>
Diffstat (limited to 'src/cmd/internal')
| -rw-r--r-- | src/cmd/internal/sys/arch.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/internal/sys/arch.go b/src/cmd/internal/sys/arch.go index 3c28ff0405..484538f28f 100644 --- a/src/cmd/internal/sys/arch.go +++ b/src/cmd/internal/sys/arch.go @@ -144,7 +144,7 @@ var ArchLoong64 = &Arch{ RegSize: 8, MinLC: 4, Alignment: 8, // Unaligned accesses are not guaranteed to be fast - CanMergeLoads: false, + CanMergeLoads: true, HasLR: true, FixedFrameSize: 8, // LR } |