[gmx-users] P4 vs P3 performance ? Special compilation options ?

[Marc Baaden]

>>> David van der Spoel said:
 >> Hm, how big is the system? Your P3 probably has a larger cache than the P4 

The system is 63205 atoms.
The P3 cache is twice the P4 one (512 vs 256kb).
But I didn't expect such a large effect ..

Marc
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 Dr. Marc Baaden - Laboratory of Molecular Biophysics, Oxford University
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