Messages in this thread |  | | Date | Sat, 7 Apr 2018 11:07:54 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 02/10] locking/qspinlock: Remove unbounded cmpxchg loop from locking slowpath |
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On Fri, Apr 06, 2018 at 04:50:19PM -0400, Waiman Long wrote: > # of threads 4.16 kernel patched 4.16 kernel > ------------ ----------- ------------------- > 1 7,417 kop/s 7,408 kop/s > 2 5,755 kop/s 4,486 kop/s > 3 4,214 kop/s 4,169 kop/s > 4 4,396 kop/s 4,383 kop/s >
Interesting, I didn't see that dip in my userspace tests.. I'll have to try again.
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