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Date:      Fri, 4 Oct 2002 16:30:59 -0400 (EDT)
From:      Phil Budne <phil@ultimate.com>
To:        freebsd-smp@freebsd.org
Subject:   -STABLE painfully slow on multi-processor
Message-ID:  <200210042030.g94KUxe2014909@ultimate.com>

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I just installed FreeBSD 4.5 on two VA linux boxes (Intel Lancewood
motherboard).  The hardware seems to be identical except that one
appears to have only one 650MHz PIII CPU, and the other has two.

The dual CPU box was DREADFULLY slow until I built a (4.7-RC) SMP
kernel (on the single processor box), and now it's merely awful
(a build and benchmark of my favorite software was 100x slower).

The client would be happy to have Linux, but I'd be unhappy having to
maintain it.  This is the first SMP install I've done, some I'm hoping
it's something obvious.

Various output files (dmesg, mptable) for the two systems can be seen
at http://www.ultimate.com/phil/smp/

direct reply appreciated; Thanks in advance.

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