[Pw_forum] PW very sensitive to number of processors and pools

Christopher O'Brien cjobrien at ncsu.edu
Mon Jun 28 04:50:14 CEST 2010

Thank you for the quick reply.
I was able to run some tests on another cluster without any dependence on the number of processors or pools. For reference, the combination that failed was:
ifort 9.0 with Intel's MPICH
The working cluster used:
ifort 10.1.022 with Intel's MPICH2 1.3a2

Thanks again.
Christopher J. O'Brien

Ph.D. Candidate
Computational Materials Group
Department of Materials Science & Engineering
North Carolina State University
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On Jun 27, 2010, at 3:46 PM, Paolo Giannozzi wrote:

> On Jun 27, 2010, at 20:54 , Christopher O'Brien wrote:
>>> p1_8011:  p4_error: net_recv read:  probable EOF on socket: 1
> can you reproduce these errors on other machines? If no, these
> are due, with (1-\epsilon) probability, to compiler or MPI library or
> system library bugs.
> P.
> ---
> Paolo Giannozzi, Dept of Physics, University of Udine
> via delle Scienze 208, 33100 Udine, Italy
> Phone +39-0432-558216, fax +39-0432-558222
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