Re: all syscalls initially taking 4usec on a P4? Re: nonblocking UDPv4 recvfrom() taking 4usec @ 3GHz?
From: Evgeniy Polyakov
Date: Tue Feb 20 2007 - 12:19:11 EST
On Tue, Feb 20, 2007 at 08:11:20PM +0300, Evgeniy Polyakov (johnpol@xxxxxxxxxxx) wrote:
> I would try it today - but it is a bit late in Moscow already - and
> there are some things to complete yet. So, tomorrow I will create a patch
> and run it, but I seriously doubt that there is _that_ high per-recvfrom
As of now - syscall which just copies 50 bytes from /dev/zero eats about
400-450 nanosecods per run (core duo 3.7 ghz).
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