Re: Efficient IPC mechanism on Linux

[Arjan van de Ven]

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.
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