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To: Ali Chen who wrote (126989)	2/9/2001 2:10:35 PM
From: Rob Young	Respond to of 186894

Ali, <Rob, with all due respect, I have yet to see any correlation between computer performance on those primitive STREAM kernels and real-world applications. P4 is a good example of this - good STREAM numbers, but sucks plain on majority of regular applications.> Not at all. Floating point apps are mostly bandwidth sensitive, that is why I qualified that with HPC (High Performance Computing) the kind of thing a supercomputer might be interested in. If you look at some of the latest Spec2000 fp numbers for a 1.5 GHz P4, you see some very good floating point numbers. These are real-world applications, by the way. Part of Spec selection for inclusion into Spec is real-world usability... you might wish to spend some time out there reading about that if interested. Here is the P4 reference. You will be hard pressed to find better fp numbers out there. They are there, but not many are better! specbench.org Rob