From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 038C437BE6F for ; Mon, 12 Oct 2026 02:07:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791770859; cv=none; b=Quq833jDTio0a3mBWfQRwuPEVJgV1NmWxeWL2hlIVpGRwTZaiCvdmk1mvQ7L/KmAhbRFkVezNnZUZgyIOfLdpxzwwd2fRvEOAHKn5YfNFdkT5oo1gMOHwd31rlFO0MF629ksmQdDST/ycfSDfHclGaG68kjVvVkFkTBgi4EYycw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791770859; c=relaxed/simple; bh=PIXnirzSeSpiSAL0k9VctTSSk+nA7YB97XAc2Ue9kVk=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=FUrRFhYK90ebltPjt68QRp+bLKinEoMSDK5ED8KHaLHrB4baht/BYf+x9fmbDsp097IJyI7yWDDj0ExNQCHhmXfhBGxJ+q4mn+JTKf5c6EKqosCrCyNaqb9+Rs9BDzsKXSBoZFmVRZ0gLyKzlOTKfTpaOwFbso9vko5p7+dyy7M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Huk0Ea3C; arc=none smtp.client-ip=192.198.163.19 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Huk0Ea3C" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1791770858; x=1823306858; h=date:from:to:cc:subject:message-id:mime-version; bh=PIXnirzSeSpiSAL0k9VctTSSk+nA7YB97XAc2Ue9kVk=; b=Huk0Ea3CfYH6yK2Bp/8lF1F9227zWcJxqWPctOpGKVG9DU4Zh/Sl3gBH c2VRf9FRvMEUdMxrhXD+NiRAnRqSaP1S/a3MpltuF6YgpOTzG+Cj3LkwT OzsA5mdRIOv3O/aFsogZJG0JBLQAYw8Jasl107i97Jbp9LLrIxdiQa0Wu mqs7NnKDAq8NMMdIXktUfkJ+aNAwWF8dB1mtYwSIenlmmzFpW5J4ybEjc 5j/JIl5CdROugb+Dpbn0Gz00vZ0Gghz67+I70C6524Ht4ZCZuzW5ia7X5 50puxbnPmPSA8x7scsjA4hlsullTzQcKFoWs/Z7RM38NuM1DxunhFRe4i A==; X-CSE-ConnectionGUID: GQfM2ZT3RwCv3IH5/1WcdQ== X-CSE-MsgGUID: TvItc2xgSN2WCXqIrdL0aw== X-IronPort-AV: E=McAfee;i="6800,10657,11932"; a="583875" X-IronPort-AV: E=Sophos;i="6.27,152,1787036400"; d="scan'208";a="583875" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Oct 2026 19:07:37 -0700 X-CSE-ConnectionGUID: CkpXoGN9ShmaTGiVOL9NNw== X-CSE-MsgGUID: 0fcWhFasQtKEOMk7+iAjnw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,152,1787036400"; d="scan'208";a="1237457" Received: from ly-workstation.sh.intel.com (HELO ly-workstation) ([10.239.182.64]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Oct 2026 19:07:36 -0700 Date: Mon, 12 Oct 2026 10:07:32 +0800 From: kernel test robot To: Eric Biggers 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 Message-ID: <202610120947.84603e5f-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-lkp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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