Messages in this thread | | | From | "Nikita V. Youshchenko" <> | Subject | Re: Inter-process send()/recv() using zero-copy ? | Date | Wed, 23 Sep 2009 10:51:31 +0400 |
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> the problem you have is that > 1) memory copies are cheap > (say, 3000 cycles/page or less)
What about L1 cache pollution? Doesn't it change situation?
> 2) page table operations (mmap etc) are very expensive. > > these two combined tend to not make it a win to substitute simple > copies with complex pagetable tricks.
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