Date: Fri, 6 Nov 1998 08:56:44 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: David Greenman <dg@root.com> Cc: Marc Slemko <marcs@znep.com>, cvs-committers@FreeBSD.ORG Subject: Re: sendfile() Message-ID: <199811061656.IAA05602@apollo.backplane.com> References: <199811061233.EAA15930@implode.root.com>
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:kernel->user copy, even though the data is thrown away. The LAN test you
:did is unusually slow; on a P6/200 with 100Mbps DMA fast ether (fxp) talking
:to another machine as a data sink, I measured very close to 1/10th of the CPU
:consumption when sending a cached file vs. the same except using ttcp with a
:cached file (which does a read/write loop).
:
:-DG
My LAN at home is only 10BaseT. It was saturating it, but not
saturating the cpu. I'll experiment some more with it.
-Matt
:David Greenman
:Co-founder/Principal Architect, The FreeBSD Project
:
:
Matthew Dillon Engineering, HiWay Technologies, Inc. & BEST Internet
Communications & God knows what else.
<dillon@backplane.com> (Please include original email in any response)
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