[AMBER] cpptraj.mpi for multi-frame pdb trajectory

From: Enrico Martinez via AMBER <amber.ambermd.org>
Date: Fri, 8 Mar 2024 09:59:02 +0100

Dear Amber users !

I am trying to use cpptraj.mpi to convert nectdf trajectory to pdb
multi-frame format

parm complex.prmtop
trajin trajectory.nc 1 -1 8
trajout stripped_TEST44.pdb
strip :WAT,Na+,Cl-
autoimage

While this script works ok on serial version of cpptraj, in the case of the
parallelization I got the fgoolwing error:

---------- RUN END ---------------------------------------------------
TIME: Total execution time: 5.1022 seconds.

Error: Error(s) occurred during execution.
--------------------------------------------------------------------------
Primary job terminated normally, but 1 process returned
a non-zero exit code. Per user-direction, the job has been aborted.
--------------------------------------------------------------------------
--------------------------------------------------------------------------
mpirun detected that one or more processes exited with non-zero status,
thus causing
the job to be terminated. The first process to do so was:

  Process name: [[28766,1],1]
  Exit code: 1

Is it possible in principle to handle such conversion using mpi ?

Many thanks in advance !

Enrico
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Received on Fri Mar 08 2024 - 01:30:02 PST
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