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To: Elmer who wrote (59998)10/24/2001 5:10:12 PM
From: jcholewaRead Replies (1) | Respond to of 275872
 
> If we believe the SSE2 only allows for ~5% speedup we must
> conclude the P4's architectural features will produce a
> dramatic speedup on older FP code as well and we never see
> that.

Why must we conclude this? It's been established many times that specfp2000 scales extremely nicely with average memory bandwidth. Could it not simply be that Intel's 3.20GB/s peak memory bandwidth and hardware prefetching allow it to attain these high scores?


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