Messages in this thread | | | Date | Fri, 23 Feb 2007 22:57:16 +0200 | From | Gergely Imre <> | Subject | Re: irq balancing question |
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Arjan van de Ven wrote: >> and i guess it doesn't matter if the distribution is being done by the >> hardware, from the point of view of the kernel, i would still get the >> performance penalty. > > for the cache bouncing you save assuming you have an Intel cpu (eg one > where the cache is shared). You don't save on the cross-cpu reassembly, > that is an entire different algorithm path you hit there.. > > > >> i'm just trying to figure it out, i have no real knowledge of the inner >> kernel workings, so i dont know. but i really would like to use all 4 cores. >> just how expensive is that reassembly path ? > > depends on your traffic to be honest, probably a question more suited > for net-dev list. >
i'll look into it, thanks a lot for the comments. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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