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Re: DP performance

From: Danial Thom <danial_thom@xxxxxxxxx>
Date: Thu, 28 Apr 2005 09:04:48 -0700 (PDT)

--- Hiten Pandya <hmp@xxxxxxxxxxxxx> wrote:
> Danial Thom wrote:
> > I wonder why/how you say that? Interrupt
> livelock
> > has always been a way of life with FreeBSD
> 4.Its
> > fairly easy to reach while bridging with a
> large
> > number of firewall rules with an fxp or em
> > driver.
> > Just increase the rate until you lose the 
> > keyboard. What is your idea of a "modern"
> > adapter?
> > 
> > Is there a way to direct specific interrupt 
> > activity to a single processor, or to tune
> the
> > behaviours in any way? It seems absurd that
> there
> > is no networking benefit to adding another
> > processor two years into the project.
> > 
> > Danial
> 	Unless you are ready to write support for
> interrupt affinity, cleanup
> 	the APIC code to use logical topology and do
> the necessary cleanups to
> 	the PCI interrupt routing code, these things
> take time.

No, sorry. I thought thats what you guys were
doing. How long do you think it will be before
any of the 4.x derivatives are actually better
than 4.x?


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