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| author | Andy Polyakov <appro@openssl.org> | 2018-06-02 14:03:27 +0200 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2018-06-03 21:20:06 +0200 |
| commit | 41013cd63c068e2f271fabc92702ee67d800f0cb (patch) | |
| tree | 51fae99bc0bb6a7cb78500bc5109f2f86cd03d83 /crypto/chacha/asm | |
| parent | {arm64|x86_64}cpuid.pl: add special 16-byte case to OPENSSL_memcmp. (diff) | |
| download | openssl-41013cd63c068e2f271fabc92702ee67d800f0cb.tar.xz openssl-41013cd63c068e2f271fabc92702ee67d800f0cb.zip | |
PPC assembly pack: correct POWER9 results.
As it turns out originally published results were skewed by "turbo"
mode. VM apparently remains oblivious to dynamic frequency scaling,
and reports that processor operates at "base" frequency at all times.
While actual frequency gets increased under load.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6406)
Diffstat (limited to 'crypto/chacha/asm')
| -rwxr-xr-x | crypto/chacha/asm/chacha-ppc.pl | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/chacha/asm/chacha-ppc.pl b/crypto/chacha/asm/chacha-ppc.pl index 350d5fae37..6dd05819ad 100755 --- a/crypto/chacha/asm/chacha-ppc.pl +++ b/crypto/chacha/asm/chacha-ppc.pl @@ -27,7 +27,7 @@ # PPC970/G5 9.29/+160% ? # POWER7 8.62/+61% 3.38 # POWER8 8.70/+51% 3.36 -# POWER9 6.61/+29% 3.30(*) +# POWER9 8.80/+29% 4.50(*) # # (*) this is trade-off result, it's possible to improve it, but # then it would negatively affect all others; |