[gmx-users] Running Gromacs on IBM Power4

Erik Lindahl lindahl at csb.stanford.edu
Fri May 7 17:04:00 CEST 2004


Hi,
> My guesses:
> - performance should be unaffected as it is a true double precision
>   architecture

It will likely depend on the size of your simulation systems. The 
actual calculations will be just as fast in double, but we can fit 
twice as much coordinate and force data in cache with single.

Cheers,

Erik




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