[Click] Intel Core duo

[Anand Kanagala]

On 1/2/07, Roman Chertov <rchertov at purdue.edu> wrote:
> Qinghua(Kevin) Ye wrote:
> > Hi, Roman,
> >
> > Have you compared the performance difference between one-thread, two-thread
>
> I my particular configuration I have noticed improved performance with
> more CPUs, when a few interfaces were used concurrently.  I have used at
> most 3 click threads as I wanted the remaining CPU for my user
> application.  It appears that speed up can be achieved when the
> SaticThreadSched element is used; however, one must be careful when
> assigning elements to avoid cases where frequent cache misses occur.  I
> think it would be useful to be able to assign an entire path to one CPU
> to avoid caching issues.
>
> something like this:
> Poll0->DoSomething->ToDev0 CPU0
> Poll1->DoSomething->ToDev1 CPU1

Unless you expect your packets to go out the same interface they came in on,
don't you mean

Poll0->DoSomething->ToDev1 CPU0
Poll1->DoSomething->ToDev0 CPU1


>
> Roman
>
> > and four-thread SMP click on the quad core Xeon? I have installed the SMP
> > click on a dual core Xeon, but cannot achieve better performance with two
> > threads. Thanks.
> >
> > Regards,
> > Qinghua(Kevin) Ye
> > ----- Original Message -----
> > From: "Roman Chertov" <rchertov at purdue.edu>
> > To: "william irvine" <wpirvine at gmail.com>
> > Cc: <click at pdos.csail.mit.edu>
> > Sent: Tuesday, January 02, 2007 7:55 AM
> > Subject: Re: [Click] Intel Core duo
> >
> >
> >> I am running SMP kernel and SMP click on a quad core Xeon machine.  I've
> >> had some crashes in the driver, but after I moved the click polling code
> >> to the latest e1000 driver stability has improved.  This could have been
> >> because I have PCI-E dual port cards.
> >>
> >> william irvine wrote:
> >>> A quick question as to the compatibility of click with the Intel Core
> > duo
> >>> processors? Have any of you guys had any insurmountable issues? Or
> > shoulnd't
> >>> i be worried and just take the plunge on a new machine with one of these
> >>> chipsets?
> >>>
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> >>
> >
> >
>
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