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d="scan'208";a="6252146" 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; 02 Nov 2026 05:56:57 -0800 Date: Mon, 2 Nov 2026 21:56:54 +0800 From: kernel test robot To: Harry Yoo Cc: oe-lkp@lists.linux.dev, lkp@intel.com, linux-mm@kvack.org, yi1.lai@intel.com Subject: [harry:b4/sheaf-size-round-up] [mm/slab] 7d63a6c06a: will-it-scale.per_process_ops 54.0% improvement Message-ID: <202611021441.984cb0bb-lkp@intel.com> X-Mailing-List: oe-lkp@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hello, kernel test robot noticed a 54.0% improvement of will-it-scale.per_process_ops on: commit: 7d63a6c06a85030dc4344dc0884883b115faa64a ("mm/slab: round up sheaf size to kmalloc size for explicit sheaf_capacity") https://git.kernel.org/cgit/linux/kernel/git/harry/linux.git b4/sheaf-size-round-up testcase: will-it-scale config: x86_64-rhel-9.4 compiler: gcc-14 test machine: 192 threads 2 sockets Intel(R) Xeon(R) 6740E CPU @ 2.4GHz (Sierra Forest) with 256G memory parameters: nr_task: 100% mode: process test: mmap1 cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20261102/202611021441.984cb0bb-lkp@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase: gcc-14/performance/x86_64-rhel-9.4/process/100%/debian-13-x86_64-20250902.cgz/lkp-srf-2sp2/mmap1/will-it-scale commit: 6ae424d6ef ("EDITME: cover title for sheaf-size-round-up") 7d63a6c06a ("mm/slab: round up sheaf size to kmalloc size for explicit sheaf_capacity") 6ae424d6eff8059f 7d63a6c06a85030dc4344dc0884 ---------------- --------------------------- %stddev %change %stddev \ | \ 38572109 +54.0% 59400688 will-it-scale.192.processes 200895 +54.0% 309378 will-it-scale.per_process_ops 38572109 +54.0% 59400688 will-it-scale.workload 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