[Tfug] AMD vs. Intel floating point

[John Gruenenfelder]

I am trying to put together an upgrade for a machine at work.  Our primary
concern is number crunching power, especially floating point (lots of FFTs
much of the time).  A number of place I have read show benchmarks with AMD
chips ahead of Intel chips in FPU performance, but finding *good* benchmarks
is very hard.

In particular, the machine is a choice between 2x Athlon MP 2600 (the 2700s
not being available yet) or 2x Pentium 4 3Ghz.  There is, of course, a pretty
big price difference too, but more important is FPU speed.

Does anybody have any good links to benchmarks either way?  Any experience in
which is better?


-- 
--John Gruenenfelder    Research Assistant, Steward Observatory, U of Arizona
                        johng@as.arizona.edu
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