Date: Sun, 1 Jul 2007 22:48:04 -0700 (PDT) From: Jeff Roberson <jroberson@chesapeake.net> To: current@freebsd.org Subject: Re: New SCHED_SMP diff. Message-ID: <20070701224741.M552@10.0.0.1> In-Reply-To: <20070701224452.I552@10.0.0.1> References: <20070701224452.I552@10.0.0.1>
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I forgot: http://people.freebsd.org/~jeff/schedsmp.diff Thanks, Jeff On Sun, 1 Jul 2007, Jeff Roberson 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 >
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