Messages in this thread | | | Date | Wed, 10 Sep 2003 12:54:22 +0200 | From | Arjan van de Ven <> | Subject | Re: Efficient IPC mechanism on Linux |
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On Wed, Sep 10, 2003 at 12:54:32PM +0200, Luca Veraldi wrote: > > Memory is sort of starting to be like disk IO in this regard. > > Good. So the less you copy memory all around, the better you permorm.
Actually it's "the less discontiguos memory you touch the better you perform". Just like a 128Kb read is about the same cost as a 4Kb disk read, the same is starting to become true for memory copies. So in the extreme the memory copy is one operation only. - 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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