a8ca649bbe
This improves performance for AES-GCM. The function
counterCrypt is written in assembler so the loop can
be unrolled and the stitched approach used for the
encryption.
This implementation works on ppc64le and ppc64. The use
of GOPPC64=power9 generates the best performance,
goos: linux
goarch: ppc64le
pkg: crypto/cipher
cpu: POWER10
│ gcmx8.cpu1.out │ gcmx8.new.cpu1.out │
│ sec/op │ sec/op vs base │
AESGCM/Open-128-64 180.5n ± 0% 152.7n ± 1% -15.43% (p=0.000 n=8)
AESGCM/Seal-128-64 166.8n ± 0% 147.2n ± 0% -11.72% (p=0.000 n=8)
AESGCM/Open-256-64 194.9n ± 0% 156.6n ± 1% -19.65% (p=0.000 n=8)
AESGCM/Seal-256-64 183.7n ± 0% 157.0n ± 0% -14.51% (p=0.000 n=8)
AESGCM/Open-128-1350 1769.5n ± 0% 454.5n ± 0% -74.31% (p=0.000 n=8)
AESGCM/Seal-128-1350 1759.0n ± 0% 453.7n ± 0% -74.21% (p=0.000 n=8)
AESGCM/Open-256-1350 2104.0n ± 0% 504.4n ± 1% -76.03% (p=0.000 n=8)
AESGCM/Seal-256-1350 2092.0n ± 0% 503.0n ± 0% -75.96% (p=0.000 n=8)
AESGCM/Open-128-8192 10.054µ ± 0% 1.961µ ± 0% -80.50% (p=0.000 n=8)
AESGCM/Seal-128-8192 10.050µ ± 0% 1.965µ ± 0% -80.45% (p=0.000 n=8)
AESGCM/Open-256-8192 12.080µ ± 0% 2.232µ ± 0% -81.52% (p=0.000 n=8)
AESGCM/Seal-256-8192 12.069µ ± 0% 2.238µ ± 0% -81.46% (p=0.000 n=8)
geomean 1.566µ 535.5n -65.80%
│ gcmx8.cpu1.out │ gcmx8.new.cpu1.out │
│ B/s │ B/s vs base │
AESGCM/Open-128-64 338.1Mi ± 0% 399.8Mi ± 1% +18.27% (p=0.000 n=8)
AESGCM/Seal-128-64 366.1Mi ± 0% 414.6Mi ± 0% +13.28% (p=0.000 n=8)
AESGCM/Open-256-64 313.1Mi ± 0% 389.7Mi ± 0% +24.47% (p=0.000 n=8)
AESGCM/Seal-256-64 332.3Mi ± 0% 388.5Mi ± 0% +16.93% (p=0.000 n=8)
AESGCM/Open-128-1350 727.6Mi ± 0% 2832.8Mi ± 0% +289.33% (p=0.000 n=8)
AESGCM/Seal-128-1350 732.0Mi ± 0% 2837.8Mi ± 0% +287.70% (p=0.000 n=8)
AESGCM/Open-256-1350 611.9Mi ± 0% 2552.6Mi ± 0% +317.18% (p=0.000 n=8)
AESGCM/Seal-256-1350 615.3Mi ± 0% 2559.6Mi ± 0% +315.97% (p=0.000 n=8)
AESGCM/Open-128-8192 777.1Mi ± 0% 3983.5Mi ± 0% +412.63% (p=0.000 n=8)
AESGCM/Seal-128-8192 777.3Mi ± 0% 3975.9Mi ± 0% +411.47% (p=0.000 n=8)
AESGCM/Open-256-8192 646.7Mi ± 0% 3500.6Mi ± 0% +441.27% (p=0.000 n=8)
AESGCM/Seal-256-8192 647.3Mi ± 0% 3491.1Mi ± 0% +439.30% (p=0.000 n=8)
geomean 542.7Mi 1.550Gi +192.42%
Change-Id: I3600831a263ec8a99b5e3bdd495eb36e966d8075
Reviewed-on: https://go-review.googlesource.com/c/go/+/484575
Reviewed-by: Roland Shoemaker <roland@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com>
Reviewed-by: Paul Murphy <murp@ibm.com>
Reviewed-by: Than McIntosh <thanm@google.com>
|
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|---|---|---|
| .github | ||
| api | ||
| doc | ||
| lib/time | ||
| misc | ||
| src | ||
| test | ||
| .gitattributes | ||
| .gitignore | ||
| codereview.cfg | ||
| CONTRIBUTING.md | ||
| go.env | ||
| LICENSE | ||
| PATENTS | ||
| README.md | ||
| SECURITY.md | ||
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