With an inspiration from M.J. Guzik, I've ported will-it-scale to NetBSD. It's available through pkgsrc-wip as wip/will-it-scale-git.
I'm pasting here results that might be a starting point and inspiration. A testing machine with a larger number of cores (16+) would be useful for serious scaling improvements. I've tested it on Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz (4 cores x 2 HT). page_fault1_processes -t 1 -s 10 average:524964 average:520118 average:513892 average:516152 page_fault1_processes -t 8 -s 10 average:1497203 average:1518082 average:1486932 average:1498492 http://netbsd.org/~kamil/will-it-scale/page_fault1_processe.txt These results seem to be fairy good. ./open1_processes -t 1 -s 10 average:297989 average:302398 average:308919 ./open1_processes -t 8 -s 10 average:59007 average:59478 average:59683 http://netbsd.org/~kamil/will-it-scale/open1_processes.txt Here we expect average without significant drop, but the bottleneck (vnode locking?) is evident.
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