Re: Efficient IPC mechanism on Linux

From: Luca Veraldi
Date: Wed Sep 10 2003 - 05:08:13 EST


> mean 11561 cycles to:
>
> page fault
> copy zero page
> install copy
> remove copy
>
> (= write every page from MAP_ANON region and unmap, repeatedly)
>
> I think that makes a clear case for avoiding page copies.

Thanks.
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