Date: Tue, 6 Jul 2004 10:47:02 -0700 (PDT) From: Julian Elischer <julian@elischer.org> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: freebsd-threads@freebsd.org Subject: Re: pthread switch (was Odd KSE panic) Message-ID: <Pine.BSF.4.21.0407061045280.64529-100000@InterJet.elischer.org> In-Reply-To: <16618.52660.343754.933037@grasshopper.cs.duke.edu>
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On Tue, 6 Jul 2004, Andrew Gallatin wrote: > > FWIW, inserting a pthread_yield() just before the ioctl call in the > worker thread speeds things up quite a bit (100us -> 73us) in > combination with kern.threads.virtual_cpu=1. what about with kern.threads.virtual_cpu untouched? and what about with the hlt sysctl? does your worker thread loop to check if there is more work before waiting to be notified? > > Drew >
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