Messages in this thread | | | Date | Mon, 30 Nov 1998 21:14:51 +0000 ( ) | From | Henrik Olsen <> | Subject | Re: SMP scalability: 8 -> 32 CPUs |
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On Mon, 30 Nov 1998, Stephen C. Tweedie wrote:
> Hi, > > On Sun, 29 Nov 1998 16:45:17 -0500 (GMT), ramak@wipinfo.soft.net > (Ramakrishna K) said: > > > Also just a general question from curiosity perspective, is the > > performance of a cluster of these boxes better than a say 1024 > > way SMP box. This is assuming we are able to scale it to say 1024 > > CPUs. This is vis-a-vis compared to a cluster involving SMP boxes > > ( totally adding upto 1024 CPU's ). > > You simply cannot answer a question like that! Let me restate your > question: > > "Let's assume that we invent some mechanism for binding 1024 > cpus into a single box. I know it doesn't exist yet, but how > fast will it be?" > > Binding that many CPUs together is hard! You tell me how you plan to do > it, and _then_ I'll tell you whether clustering is faster. :) > > --Stephen
There is a very simple answer to this:) Unless it's a problem that will take years to complete, the cluster will finish the job sooner (only metric that really makes sense), since you can make one now.
-- Henrik Olsen, Dawn Solutions I/S URL=http://www.iaeste.dk/~henrik/ Get the rest there.
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