Dear fellows,
I've been running some phonons calculations (Itanium 2, Linux, probably
MPICH) and was amazed to see huge differences between serial espresso 3.1.1
runs and parallel 3.2.1 runs. I've narrowed the search, though, and the
problem seems to arise whenever I call ph.x with the "-npool" suffix. Is it
stupid to run ph.x the following way?
mpirun -np 4 ph.x -npool 4 < inpnut > output
Note that this would be running on the same node, with 4 internal ia64
chips. I also would like to note that pw.x seems to run OK.
Thanks in advance,
Miguel
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Miguel Mart?nez Canales
Dto. F?sica de la Materia Condensada
UPV/EHU
Facultad de Ciencia y Tecnolog?a
Apdo. 644
48080 Bilbao (Spain)
Fax: +34 94 601 3500
Tlf: +34 94 601 5437
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