Re: Inter-process send()/recv() using zero-copy ?

[Nikita V. Youshchenko]

> 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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