396a48bea6
Benchmark results on Loongson 3C5000 (which is an LA464 implementation):
goos: linux
goarch: loong64
pkg: math/big
cpu: Loongson-3C5000 @ 2200.00MHz
│ test/old_3c5000_subvv.log │ test/new_3c5000_subvv.log │
│ sec/op │ sec/op vs base │
SubVV/1 10.920n ± 0% 7.657n ± 0% -29.88% (p=0.000 n=20)
SubVV/2 14.100n ± 0% 8.841n ± 0% -37.30% (p=0.000 n=20)
SubVV/3 16.38n ± 0% 11.06n ± 0% -32.48% (p=0.000 n=20)
SubVV/4 18.65n ± 0% 12.85n ± 0% -31.10% (p=0.000 n=20)
SubVV/5 20.93n ± 0% 14.79n ± 0% -29.34% (p=0.000 n=20)
SubVV/10 32.30n ± 0% 22.29n ± 0% -30.99% (p=0.000 n=20)
SubVV/100 244.3n ± 0% 149.2n ± 0% -38.93% (p=0.000 n=20)
SubVV/1000 2.292µ ± 0% 1.378µ ± 0% -39.88% (p=0.000 n=20)
SubVV/10000 26.26µ ± 0% 25.64µ ± 0% -2.33% (p=0.000 n=20)
SubVV/100000 341.3µ ± 0% 238.0µ ± 0% -30.26% (p=0.000 n=20)
geomean 209.1n 144.5n -30.86%
Change-Id: I3863c2c6728f1b0f8fecbf77de13254299c5b1cb
Reviewed-on: https://go-review.googlesource.com/c/go/+/659877
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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