Date: Tue, 29 Aug 1995 03:56:49 -0400 (EDT) From: -Vince- <vince@penzance.econ.yale.edu> To: Michael Smith <msmith@atrad.adelaide.edu.au> Cc: msmith@atrad.adelaide.edu.au, hardware@freebsd.org Subject: Re: Upgrade to my machine Message-ID: <Pine.LNX.3.91.950829035502.17081J-100000@penzance.econ.yale.edu> In-Reply-To: <199508290225.LAA24532@genesis.atrad.adelaide.edu.au>
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On Tue, 29 Aug 1995, Michael Smith wrote: > -Vince- stands accused of saying: > >> Depends on what you're trying to do with it, and what sort of FreeBSD > >> box you're talking about. A VLB '486DX2/66 will just about keep even > >> with a Sparc 2 otherwise similarly configured; I don't have any data > >> on faster Sun systems as just about everything around here is an Alpha. > > > > I meant like use it as a server for a organization on a FreeBSD P5-90 > > box, what would it be equivelent to in performance? Is the Alpha that > > much better than a Pentium? > > Depends on what you're doing, as far as I can tell. I'll have a clearer > picture when the new box (P100) comes in, and I can get some comparative > numbers against the low-end (-66) alphas around here. Hmmm, okay... I meant a Alpha 275Mhz compared to a P5-90... > > I thought the working size will always exceed the physical memory > > since you can only expand to a certain number for physical ram while with > > hd's, you can just add new ones... > > Huh? The "certain number" for physical ram essentially limits your > maximum working set size; obviously you have a limit related to > processor speed as well. (after all, you can only access so much memory in a > given period). Once your working set (the pages currently in use by active > processes) exceeds the available physical memory, you start thrashing, as > you have to swapout/swapin on a regular basis. I know what you mean but memory is still limited to 256 megs or less so there is no way you can have 1 gig of physical ram I think... Cheers, -Vince- vince@kbrown.oldcampus.yale.edu - GUS Mailing Lists Admin UCLA Physics/Electrical Engineering - UC Berkeley Fall '95 SysAdmin bigbang.HIP.Berkeley.EDU - Running FreeBSD, Real UN*X for Free! Chabot Observatory & Science Center
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