[gmx-users] pentium III vs Pentium IVs and Intel compiler benchmarks
Lynne E. Bilston
l.bilston at unsw.edu.au
Wed Mar 27 00:57:04 CET 2002
Following up on Mark and Erik's comments about intel/AMD CPUs and
compilers, you may find the following benchmark site useful.
There are several subdirectories iin that same directory with different ppt
presentations they've put together too, which graph the various benchmarks.
It has some computational chemistry benchmarks, even some that are specific
to MD (not gromacs unfortunately), which are a bit old, but include some
athlons and intel p4 machines (along with every other kind of machine
imaginable), with various compilers. You'll have to hunt around a bit to
find all the info.
It seems for the MD-specific benchmarks, the Athlons definitely do much
better for an equivalent speed. They have an Athlon 1400 killing a 1.5GHz
P4. Of course, this doesn't take into account the assembly issue, but it
may be interesting nonetheless.
The comparison slides are
For those who do other things besides MD, they've looked at various other
computational chemistry tasks too.
Mind you, the more I look at all the differences, the more confused I get
between instruction sets, motherboards etc.
I'm leaning toward getting dual athlons right now, assuming that Erik's
right in saying that double precision isn't critical for my type of
simulations (similar to yours, by the sound of it, Mark!)
Lynne E. Bilston, PhD
Senior Scientist, Prince of Wales Medical Research Institute, and
Conjoint Associate Professor, Faculty of Medicine, University of New South
Barker St, Randwick, NSW 2031 Australia
Tel: +61-2-9382-7924 Fax: +61-2-9382-2643
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