| commit | 932330fdbf669e28748227148f3f633620a5a300 | [log] [tgz] |
|---|---|---|
| author | Lynn Boger <laboger@linux.vnet.ibm.com> | Tue Nov 01 10:27:06 2022 -0500 |
| committer | Lynn Boger <laboger@linux.vnet.ibm.com> | Thu Nov 03 15:53:45 2022 +0000 |
| tree | e0038f280a0c6daee9eaf9e8ee1b5204f2f352bd | |
| parent | ebb71ad681ec5711c004537e5800a10e5a3ab533 [diff] |
math/big: add PCALIGN to addMulVVW asm on ppc64x
Adding PCALIGN to addMulVVW assembler implementation
provides the following improvement on power10:
AddMulVVW/1 3.36ns ± 0% 3.37ns ± 0% +0.20%
AddMulVVW/2 4.45ns ± 0% 4.44ns ± 0% -0.25%
AddMulVVW/3 5.44ns ± 0% 5.49ns ± 0% +0.84%
AddMulVVW/4 6.43ns ± 0% 6.34ns ± 0% -1.33%
AddMulVVW/5 7.87ns ± 0% 7.73ns ± 0% -1.70%
AddMulVVW/10 13.4ns ± 3% 12.4ns ± 7% -7.07%
AddMulVVW/100 112ns ± 0% 102ns ± 0% -9.34%
AddMulVVW/1000 1.09µs ± 0% 0.95µs ± 0% -13.15%
AddMulVVW/10000 10.9µs ± 0% 9.6µs ± 0% -12.46%
AddMulVVW/100000 109µs ± 0% 95µs ± 0% -12.58%
Change-Id: Ic33d4f125c84d568f63e17cf99dc4df5ca9328d9
Reviewed-on: https://go-review.googlesource.com/c/go/+/447236
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com>
Reviewed-by: Paul Murphy <murp@ibm.com>
Reviewed-by: Archana Ravindar <ravindararchana@gmail.com>
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