diff options
| author | Andy Polyakov <appro@openssl.org> | 2013-06-10 22:25:12 +0200 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2013-06-10 22:25:12 +0200 |
| commit | b42759158d8b7e5b23c7a24d11bc7f2194f55007 (patch) | |
| tree | acaea3a2ddd3c5ccb744d0ec5d82537da2e39297 /crypto | |
| parent | 1bc0b68d7b8c7620487310ed84fa273ba0d9f428 (diff) | |
| download | openssl-b42759158d8b7e5b23c7a24d11bc7f2194f55007.tar.gz | |
ghash-x86_64.pl: add Haswell performance data.
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/modes/asm/ghash-x86_64.pl | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/crypto/modes/asm/ghash-x86_64.pl b/crypto/modes/asm/ghash-x86_64.pl index f4af85d21b..7904248070 100644 --- a/crypto/modes/asm/ghash-x86_64.pl +++ b/crypto/modes/asm/ghash-x86_64.pl @@ -62,6 +62,7 @@ # Westmere 1.76(+14%) # Sandy Bridge 1.79(+9%) # Ivy Bridge 1.79(+8%) +# Haswell 0.55(+93%) (if system doesn't support AVX) # Bulldozer 1.52(+25%) # March 2013 @@ -70,9 +71,8 @@ # suggested by Shay Gueron[1]. Even though contemporary AVX-capable # CPUs such as Sandy and Ivy Bridge can execute it, the code performs # sub-optimally in comparison to above mentioned version. But thanks -# to Ilya Albrekht and Max Locktyukhin of Intel Corp. we know that -# it will perform better on upcoming Haswell processor. [Exact -# performance numbers to be added at launch.] +# to Ilya Albrekht and Max Locktyukhin of Intel Corp. we knew that +# it performs in 0.41 cycles per byte on Haswell processor. # # [1] http://rt.openssl.org/Ticket/Display.html?id=2900&user=guest&pass=guest |