diff options
Diffstat (limited to 'crypto/modes/asm/aesni-gcm-x86_64.pl')
| -rw-r--r-- | crypto/modes/asm/aesni-gcm-x86_64.pl | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/crypto/modes/asm/aesni-gcm-x86_64.pl b/crypto/modes/asm/aesni-gcm-x86_64.pl index cfc856cf35..7e4e04ea25 100644 --- a/crypto/modes/asm/aesni-gcm-x86_64.pl +++ b/crypto/modes/asm/aesni-gcm-x86_64.pl @@ -22,7 +22,10 @@ # [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. +# 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.] # # [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 |