Date: Thu, 30 Mar 2000 08:49:07 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: Brad Knowles <blk@skynet.be> Cc: Andy Farkas <andyf@speednet.com.au>, freebsd-current@FreeBSD.ORG Subject: Re: SMP buildworld times / performance tests Message-ID: <200003301649.IAA73374@apollo.backplane.com> References: <Pine.BSF.4.10.10003301158360.14426-100000@backup.af.speednet.com.au> <200003300604.WAA68031@apollo.backplane.com> <v0422080ab508dbb83f59@[195.238.22.136]>
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:At 10:04 PM -0800 2000/3/29, Matthew Dillon wrote:
:
:> So softupdates improves buildworld times by a significant margin.
:
: Uh, I think we've known this for a while now. ;-)
:
: Still, I'm looking forward to finding out what the new timings
:are for SMP builds with the new code (both with and without
:softupdates), and I still can't wait to get this stuff MFC's to
:4.0-STABLE.
:
:======================================================================
:Brad Knowles, <blk@skynet.be> || Belgacom Skynet SA/NV
4694.193u 1477.722s 1:10:24.37 146.1% 1364+1646k 10077+4118io 1734pf+0w 5.0 softupdates on
4696.987u 1502.278s 1:10:34.17 146.4% 1359+1641k 10889+4270io 1779pf+0w 5.0 softupdates on
4745.607u 1673.646s 1:29:07.45 120.0% 1323+1599k 8237+251565io 1615pf+0w 4.0 softupdates off
4745.062u 1668.094s 1:28:58.04 120.1% 1323+1601k 8022+251525io 1787pf+0w 4.0 softupdates off
4712.080u 1678.329s 1:16:29.38 139.2% 1330+1609k 11714+130429io 1692pf+0w 4.0 softupdates on
4708.749u 1674.349s 1:16:20.60 139.3% 1331+1608k 11512+130477io 1479pf+0w 4.0 softupdates on
6 minutes 20 seconds (about 7%). I am still getting a major difference in
the I/O stats, though it is much less then before. But now I have no
clue as to why that last I/O parameter is so different.
-Matt
Matthew Dillon
<dillon@backplane.com>
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