[lkp] [locking/rwsem] 133e89ef5e: +12.6% improvement of vm-scalability.throughput

From	kernel test robot <xiaolong.ye@intel.com>
Newsgroups	linux.kernel
Subject	[lkp] [locking/rwsem] 133e89ef5e: +12.6% improvement of vm-scalability.throughput
Date	2016-06-06 08:20 +0200
Message-ID	<rGW3g-17P-31@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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FYI, we noticed a +12.6% improvement of vm-scalability.throughput due to commit:

commit 133e89ef5ef338e1358b16246521ba17d935c396 ("locking/rwsem: Enable lockless waiter wakeup(s)")
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core

in testcase: vm-scalability
on test machine: lkp-bdw-ex2: 160 threads Broadwell-EX with 512G memory
with following parameters: cpufreq_governor=performance/runtime=300s/test=small-allocs-mt


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.


Thanks,
Xiaolong

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[lkp] [locking/rwsem] 133e89ef5e: +12.6% improvement of  vm-scalability.throughput kernel test robot <xiaolong.ye@intel.com> - 2016-06-06 08:20 +0200

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