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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Kairui Song , Qi Zheng , Barry Song , Baolin Wang , Axel Rasmussen , Yuanchu Xie , Wei Xu , Baoquan He , linux-mm@kvack.org, yi1.lai@intel.com Subject: [linux-next:master] [mm] 1e61c0bd82: will-it-scale.per_process_ops 6.2% improvement Message-ID: <202611091011.f4668ccc-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 6.2% improvement of will-it-scale.per_process_ops on: commit: 1e61c0bd822af6f9026c048d53fe8824881df8d7 ("mm: move LRU size stat updates out of lru_lock in folio batches") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master testcase: will-it-scale config: x86_64-rhel-9.4 compiler: gcc-14 test machine: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480CTDX (Sapphire Rapids) with 512G memory parameters: nr_task: 100% mode: process test: fallocate2 cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20261109/202611091011.f4668ccc-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-spr-2sp5/fallocate2/will-it-scale commit: 25e9342d48 ("tools/mm/thpmaps: fix missing mapping names") 1e61c0bd82 ("mm: move LRU size stat updates out of lru_lock in folio batches") 25e9342d487fcfaa 1e61c0bd822af6f9026c048d53f ---------------- --------------------------- %stddev %change %stddev \ | \ 5750918 +6.2% 6109659 will-it-scale.224.processes 25673 +6.2% 27274 will-it-scale.per_process_ops 5750918 +6.2% 6109659 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