Date: Fri, 08 Oct 2004 11:07:51 -0700 From: Julian Elischer <julian@elischer.org> To: David Gilbert <dgilbert@dclg.ca> Cc: Scott Long <scottl@freebsd.org> Subject: Re: Packet passing performance study on exotic hardware. Message-ID: <4166D777.4010605@elischer.org> In-Reply-To: <16742.46123.690229.674202@canoe.dclg.ca> References: <16742.40802.187425.402461@canoe.dclg.ca> <4166AFE0.5060000@FreeBSD.org> <16742.46123.690229.674202@canoe.dclg.ca>
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David Gilbert wrote: >>>>>>"Scott" == Scott Long <scottl@FreeBSD.org> writes: >>>>>> >>>>>> > >Scott> Interesting results. One thing to note is that a severe bug in >Scott> the if_em driver was fixed for BETA7. The symptoms of this bug >Scott> include apparent livelock of the machine during heavy xmit >Scott> load. You might want to update and re-run your tests. > >Sorry. I should have made it clear that I applied the patches to the >em from the tree by hand. > there are also changes in B4->B7 that ar related to scheduling the packet delivery mechanisms.. They may not make much of a difference but... It's good that we are finally getting the functionality to a point where we can start to worry about performance again :-) > >Dave. > > >
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