> > > I understand that the SSE2 instructions operate only on
> > > 64-bit (and 32-bit) floating point data, whereas the
> > > FPU registers support 80-bit intermediate results.
>
> I know this is a little off-topic, but how good is the P4 at integer
operations?
not that off topic at all. Integer multiplies can be more efficient than FP
for this sort of thing, IF they are as fast. If a processor could pipeline
64 bit integer multiplies at one per clock with parallel adds at the same
time it would be as fast or faster than using the 80 bit FP format... It
will be interesting seeing what IA64 brings to the table when it finally
gets up to speed...
-jrp
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