From: kernel test robot <yi1.lai@intel.com>
To: Eric Biggers <ebiggers@google.com>
Cc: oe-lkp@lists.linux.dev, lkp@intel.com, yi1.lai@intel.com
Subject: [ebiggers:wip-x86-aes-xts-integrated-tweak-encryption] [crypto] 0ecd756ee5: stress-ng.sigsuspend.ops_per_sec 12.7% improvement
Date: Mon, 12 Oct 2026 10:07:32 +0800 [thread overview]
Message-ID: <202610120947.84603e5f-lkp@intel.com> (raw)
Hello,
kernel test robot noticed a 12.7% improvement of stress-ng.sigsuspend.ops_per_sec on:
commit: 0ecd756ee5f1ebf3585e1190ad28f8da9240521e ("crypto: x86/aes-ecb - Remove superseded ECB skcipher") https://git.kernel.org/cgit/linux/kernel/git/ebiggers/linux.git wip-x86-aes-xts-integrated-tweak-encryption
testcase: stress-ng
config: x86_64-rhel-9.4
compiler: gcc-14
test machine: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480CTDX (Sapphire Rapids) with 256G memory
parameters:
nr_threads: 100%
testtime: 60s
test: sigsuspend
cpufreq_governor: performance
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20261012/202610120947.84603e5f-lkp@intel.com
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
gcc-14/performance/x86_64-rhel-9.4/100%/debian-13-x86_64-20250902.cgz/lkp-spr-r02/sigsuspend/stress-ng/60s
commit:
2f3f90b00a ("crypto: x86/aes - Drop superseded 32-bit build support")
0ecd756ee5 ("crypto: x86/aes-ecb - Remove superseded ECB skcipher")
2f3f90b00a6604a3 0ecd756ee5f1ebf3585e1190ad2
---------------- ---------------------------
%stddev %change %stddev
\ | \
3.371e+08 +12.8% 3.802e+08 stress-ng.sigsuspend.ops
5629384 +12.7% 6343927 stress-ng.sigsuspend.ops_per_sec
2.719e+08 +12.9% 3.07e+08 stress-ng.time.involuntary_context_switches
3.371e+08 +12.8% 3.801e+08 stress-ng.time.voluntary_context_switches
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-10-12 2:07 UTC|newest]
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