Date: Thu, 12 Jul 2007 13:56:46 -0400 From: Nick Evans <nevans@talkpoint.com> To: freebsd-performance@freebsd.org Subject: Re: New SCHED_SMP diff. Message-ID: <20070712135646.2a2303ff@pleiades.nextvenue.com> In-Reply-To: <20070701224452.I552@10.0.0.1> References: <20070701224452.I552@10.0.0.1>
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On Sun, 1 Jul 2007 22:47:33 -0700 (PDT) Jeff Roberson <jroberson@chesapeake.net> wrote: > I fixed a major bug in SCHED_SMP that impacted some users causing bad > performance and invalid load counts. Attilio also added support for i386 > based machines. I have tested on UP which works although INVARIANTS and > WITNESS don't work properly on UP kernels. Single processor SMP kernels > work fine. > > This diff also includes another patch that I intend to commit to current > which significantly improved write performance for mysql by removing > all use of Giant in fcntl(). > > Please report any stability or performance problems with this patch. The > more positive reports I get the more likely it will go into 7.0. > > Thanks, > Jeff > _______________________________________________ > freebsd-performance@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-performance > To unsubscribe, send any mail to > "freebsd-performance-unsubscribe@freebsd.org" Jeff, I have a new Xeon E5310 system that next month will have an additional 4 cores. Do you have any specific workloads you need tested for SCHED_SMP or any other locking changes? I can give you or Kris a shell if you need direct access. Nick
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