Date: Mon, 19 Feb 2001 13:04:59 -0800 From: Jordan Hubbard <jkh@winston.osd.bsdi.com> To: Dag-Erling Smorgrav <des@ofug.org> Cc: Robin Cutshaw <robin@XFree86.Org>, freebsd-hackers@FreeBSD.ORG Subject: Re: Build timings - FreeBSD 4.2 vs. Linux Message-ID: <18832.982616699@winston.osd.bsdi.com> In-Reply-To: Message from Dag-Erling Smorgrav <des@ofug.org> of "19 Feb 2001 19:54:06 %2B0100." <xzpd7celd0x.fsf@flood.ping.uio.no>
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> Yup: 4.x sucks at SMP. Try the comparison again with uniprocessor > kernels - I expect you'll see a much smaller difference. I rather doubt that SMP has anything whatsoever to do with this. 4.x's SMP implementation may be far from optimal, but I've done a lot of my own uniprocessor vs 2 vs 4 CPU configurations and I've never seen anything as bad as what Robin is describing here. I'm more suspicious of differences in the filesystem mount options. - Jordan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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