Date: Thu, 30 Mar 2000 12:01:08 +1000 (EST) From: Andy Farkas <andyf@speednet.com.au> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: freebsd-current@FreeBSD.ORG Subject: Re: SMP buildworld times / performance tests Message-ID: <Pine.BSF.4.10.10003301158360.14426-100000@backup.af.speednet.com.au> In-Reply-To: <200003292301.PAA65915@apollo.backplane.com>
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On Wed, 29 Mar 2000, Matthew Dillon wrote:
> time make -j 20 buildworld build FreeBSD-current using 4.0 kernel
>
> 4745.607u 1673.646s 1:29:07.45 120.0% 1323+1599k 8237+251565io 1615pf+0w
>
> time make -j 20 buildworld build FreeBSD-current using 5.0 kernel
>
> 4696.987u 1502.278s 1:10:34.17 146.4% 1359+1641k 10889+4270io 1779pf+0w
Can I ask why is there a huge difference in the number of io (251k vs 4k)?
What is so different between 4.0 and 5.0 that causes this?
--
:{ andyf@speednet.com.au
Andy Farkas
System Administrator
Speednet Communications
http://www.speednet.com.au/
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