Messages in this thread | | | From | Roland Dreier <> | Subject | Re: RFC: Ideal Adaptive Spinning Conditions | Date | Wed, 31 Mar 2010 16:35:53 -0700 |
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> I'm looking at some adaptive spinning with futexes as a way to help > reduce the dependence on sched_yield() to implement userspace > spinlocks. Chris, I included you in the CC after reading your comments > regarding sched_yield() at kernel summit and I thought you might be > interested.
I think you may have the wrong Chris. Chris Wright wasn't at the most recent kernel summit and I do have a vague recollection of Chris Mason mentioning that Oracle developers found that sched_yield() performed better than futexes + kernel scheduling. -- Roland Dreier <rolandd@cisco.com> || For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/index.html
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