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To: fyodor_ who wrote (21630)12/6/2000 12:55:36 AM
From: PetzRead Replies (1) | Respond to of 275872
 
fyo, the P4 has exactly HALF the peak floating point performance of the Athlon. Its FPU can finish a multiply only every two cycles. Its peak throughput is multiply / add / multiply / add ...

An Athlon can finish both a multiply and an add on every clock cycle.

Petz



To: fyodor_ who wrote (21630)12/7/2000 4:31:31 PM
From: TimFRead Replies (2) | Respond to of 275872
 
Fyodor, SSE2 is SIMD if you have a program that does not apply a single instruction to multiple data sets would it still be much faster the standard x86 floating point? (I guess so because of the weakness of regular x86 floating point).

Tim


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