diff options
author | Andy Polyakov <appro@openssl.org> | 2015-03-13 11:12:19 +0100 |
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committer | Andy Polyakov <appro@openssl.org> | 2015-03-28 15:56:28 +0100 |
commit | c8ece537e341126b979b185b32fc716db6db9f0c (patch) | |
tree | 0f627d6cf6b9f07cf640cf76f33f0775f8e0835c /crypto | |
parent | 8338cf0bdb9a5b17cd46a0bf8f58c15f10960586 (diff) |
ec/asm/ecp_nistz256-x86_64.pl: update commentary with before-after performance data.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit b06a6f7cc44baa0c17207a8f72c4ac360be7b555)
Diffstat (limited to 'crypto')
-rwxr-xr-x | crypto/ec/asm/ecp_nistz256-x86_64.pl | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/crypto/ec/asm/ecp_nistz256-x86_64.pl b/crypto/ec/asm/ecp_nistz256-x86_64.pl index 5b21574a2d..84379fce1c 100755 --- a/crypto/ec/asm/ecp_nistz256-x86_64.pl +++ b/crypto/ec/asm/ecp_nistz256-x86_64.pl @@ -30,20 +30,24 @@ # Further optimization by <appro@openssl.org>: # -# this/original -# Opteron +12-49% -# Bulldozer +14-45% -# P4 +18-46% -# Westmere +12-34% -# Sandy Bridge +9-35% -# Ivy Bridge +9-35% -# Haswell +8-37% -# Broadwell +18-58% -# Atom +15-50% -# VIA Nano +43-160% +# this/original with/without -DECP_NISTZ256_ASM(*) +# Opteron +12-49% +110-150% +# Bulldozer +14-45% +175-210% +# P4 +18-46% n/a :-( +# Westmere +12-34% +80-87% +# Sandy Bridge +9-35% +110-120% +# Ivy Bridge +9-35% +110-125% +# Haswell +8-37% +140-160% +# Broadwell +18-58% +145-210% +# Atom +15-50% +130-180% +# VIA Nano +43-160% +300-480% +# +# (*) "without -DECP_NISTZ256_ASM" refers to build with +# "enable-ec_nistp_64_gcc_128"; # # Ranges denote minimum and maximum improvement coefficients depending -# on benchmark. +# on benchmark. Lower coefficients are for ECDSA sign, relatively fastest +# server-side operation. Keep in mind that +100% means 2x improvement. $flavour = shift; $output = shift; |