Re: binding a network card to a CPU?

Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 23 Apr 1999 18:25:30 +0100 (BST)

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> microseconds UP kernels and ~180 microseconds with SMP kernels. I
> can't remember the bandwidth figures, but they were also higher with a
> UP kernel unless the amount of data being transferred was very large.

The x86 hardware (the APIC) has some logic in it to try and direct irqs
to the same cpu when an instance of that irq is already pending

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