diff options
| author | Andy Polyakov <appro@openssl.org> | 2015-09-25 14:00:46 +0200 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2015-09-26 19:50:11 +0200 |
| commit | b7f5503fa6e1feebec2ac12b8ddcb5b5672452a6 (patch) | |
| tree | 8cc2a5201e48dc173dd611c8f564da2ed934309b /crypto/modes | |
| parent | c9c84a13916aa5c5c58912b49839e72fe82b23f5 (diff) | |
Skylake performance results.
Reviewed-by: Matt Caswell <matt@openssl.org>
Diffstat (limited to 'crypto/modes')
| -rw-r--r-- | crypto/modes/asm/aesni-gcm-x86_64.pl | 9 | ||||
| -rw-r--r-- | crypto/modes/asm/ghash-x86_64.pl | 5 |
2 files changed, 8 insertions, 6 deletions
diff --git a/crypto/modes/asm/aesni-gcm-x86_64.pl b/crypto/modes/asm/aesni-gcm-x86_64.pl index 7e4e04ea25..608c3f7805 100644 --- a/crypto/modes/asm/aesni-gcm-x86_64.pl +++ b/crypto/modes/asm/aesni-gcm-x86_64.pl @@ -22,10 +22,11 @@ # [1] and [2], with MOVBE twist suggested by Ilya Albrekht and Max # Locktyukhin of Intel Corp. who verified that it reduces shuffles # pressure with notable relative improvement, achieving 1.0 cycle per -# byte processed with 128-bit key on Haswell processor, and 0.74 - -# on Broadwell. [Mentioned results are raw profiled measurements for -# favourable packet size, one divisible by 96. Applications using the -# EVP interface will observe a few percent worse performance.] +# byte processed with 128-bit key on Haswell processor, 0.74 - on +# Broadwell, 0.63 - on Skylake... [Mentioned results are raw profiled +# measurements for favourable packet size, one divisible by 96. +# Applications using the EVP interface will observe a few percent +# worse performance.] # # [1] http://rt.openssl.org/Ticket/Display.html?id=2900&user=guest&pass=guest # [2] http://www.intel.com/content/dam/www/public/us/en/documents/software-support/enabling-high-performance-gcm.pdf diff --git a/crypto/modes/asm/ghash-x86_64.pl b/crypto/modes/asm/ghash-x86_64.pl index 5a7ce39486..a63c923429 100644 --- a/crypto/modes/asm/ghash-x86_64.pl +++ b/crypto/modes/asm/ghash-x86_64.pl @@ -64,6 +64,7 @@ # Ivy Bridge 1.80(+7%) # Haswell 0.55(+93%) (if system doesn't support AVX) # Broadwell 0.45(+110%)(if system doesn't support AVX) +# Skylake 0.44(+110%)(if system doesn't support AVX) # Bulldozer 1.49(+27%) # Silvermont 2.88(+13%) @@ -74,8 +75,8 @@ # 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 knew that -# it performs in 0.41 cycles per byte on Haswell processor, and in -# 0.29 on Broadwell. +# it performs in 0.41 cycles per byte on Haswell processor, in +# 0.29 on Broadwell, and in 0.36 on Skylake. # # [1] http://rt.openssl.org/Ticket/Display.html?id=2900&user=guest&pass=guest |