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To: Ponderosa who wrote (66531)	2/25/2001 1:47:47 AM
From: Scumbria	Respond to of 93625

Ponderosa, Linpack is an unusual application, in that it walks straight through a very large static data structure. It is very predictable, and ideally suited for SSE prefetching w/high bandwidth memory. In contrast, most business apps use dynamically allocated linked-lists, which gain little benefit from prefetching or high bandwidth memory. There is a class of applications which when recompiled are going to run fast on P4/DDR/DRDRAM, but it is not correct to extrapolate that to the bulk of the software base. Even more significant is the fact that there are no commercial compilers to do the recompile for P4, so the point is moot anyway. Scumbria