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authorAndy Polyakov <appro@openssl.org>2015-01-05 23:40:10 +0100
committerAndy Polyakov <appro@openssl.org>2015-01-13 21:42:13 +0100
commit10771e3421ea435623f85304738280415d6b55c7 (patch)
tree43e5fa35f8681516e4500ef50fb928b5c2b6f436 /crypto/modes
parent36f694e09add27e5619abab9de2bbb0b6bf61037 (diff)
Add Broadwell performance results.
Reviewed-by: Emilia Käsper <emilia@openssl.org> (cherry picked from commit b3d7294976c58e0e05d0ee44a0e7c9c3b8515e05)
Diffstat (limited to 'crypto/modes')
-rw-r--r--crypto/modes/asm/aesni-gcm-x86_64.pl5
-rw-r--r--crypto/modes/asm/ghash-x86_64.pl4
2 files changed, 7 insertions, 2 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
diff --git a/crypto/modes/asm/ghash-x86_64.pl b/crypto/modes/asm/ghash-x86_64.pl
index ce7d1cb8ba..6e656ca13b 100644
--- a/crypto/modes/asm/ghash-x86_64.pl
+++ b/crypto/modes/asm/ghash-x86_64.pl
@@ -63,6 +63,7 @@
# Sandy Bridge 1.80(+8%)
# 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)
# Bulldozer 1.49(+27%)
# Silvermont 2.88(+13%)
@@ -73,7 +74,8 @@
# 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.
+# it performs in 0.41 cycles per byte on Haswell processor, and in
+# 0.29 on Broadwell.
#
# [1] http://rt.openssl.org/Ticket/Display.html?id=2900&user=guest&pass=guest