Date: Thu, 22 Apr 1999 19:05:05 -0700 From: Amancio Hasty <hasty@rah.star-gate.com> To: Alex Zepeda <garbanzo@hooked.net> Cc: Chris Piazza <cpiazza@home.net>, Andrew Heybey <ath@niksun.com>, freebsd-hackers@FreeBSD.ORG Subject: Re: SMP nerd toy report Message-ID: <199904230205.TAA00556@rah.star-gate.com> In-Reply-To: Your message of "Thu, 22 Apr 1999 18:55:17 PDT." <Pine.BSF.4.05.9904221852040.2018-100000@zippy.dyn.ml.org>
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I suspect that buildworld is mostly memory bound and not necessarily disk i/o bound unless you have a slow disk. > On Thu, 22 Apr 1999, Chris Piazza wrote: > > > Understood, I use a single 5400 RPM UDMA Ide disk with the new ATA drivers - > > /usr/obj and /usr/src are on the same partition. I'm *extremely* pleased with > > this system as my P166 took over 4 hours(!). I'd be interested in seeing what > > a difference SCSI over IDE has in a buildworld. > > I doubt that the question is SCSI v. IDE. I know with my P166, I had > horribly cheap "fast" narrow Quantum drives (3.2gb and 640mb) hooked to > an aic7880, and with the PII/450, I've got a 13gb IDE (UDMA2)drive. rm > -rf of /usr/obj runs much quicker with the UDMA drive... > > Sure top-of-the-line SCSI drives probably max out at faster speeds than > the top-of-the-line IDE drives, but I imagine with softupdates and > separate IDE busses, one could create a non diskbound PII (under > buildworld conditions). > > - alex > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message -- Amancio Hasty hasty@star-gate.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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