mailcrash during multi-processor grid search for 'sphere' model


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Posted by Jack Skinner on August 01, 2013 - 22:30:
I am having a problem with the dauvergne_protocol.py script crashing when I set DIFF_MODEL = 'sphere'
All other models run fine except for 'final', which complains about the missing 'sphere' results.

I am running this script with 8 processors using mpirun
mpirun -np 8 relax --multi='mpi4py' -n 7 --tee rnd2.log relax_rnd2.py

The error message starts:
relax> grid_search(lower=None, upper=None, inc=11, constraints=True, verbosity=1)

Over-fit spin deselection:
No spins have been deselected.
Only diffusion tensor parameters will be used.
Parallelised diffusion tensor grid search.
Traceback (most recent call last):
  File "/export/home/skinnerj/mypackages/relax-2.2.5/multi/processor.py", line 479, in run
...many lines that might not be helpful...
then:
Capturing_exception:
  File "/export/home/skinnerj/mypackages/relax-2.2.5/multi/processor.py", line 522, in run
    command.run(self, completed)
  File "/export/home/skinnerj/mypackages/relax-2.2.5/specific_fns/model_free/multi_processor_commands.py", line 129, in run
    results = self.optimise()
  File "/export/home/skinnerj/mypackages/relax-2.2.5/specific_fns/model_free/multi_processor_commands.py", line 175, in optimise
    results = grid_point_array(func=self.mf.func, args=(), points=self.opt_params.subdivision, verbosity=self.opt_params.verbosity)
  File "/export/home/skinnerj/mypackages/relax-2.2.5/minfx/grid.py", line 264, in grid_point_array
    n = len(points[0])

Nested Exception from sub processor
Rank: 1 Name: kff4-pid14220
Exception type: IndexError
Message: index out of bounds


Any suggestions will be appreciated. Thanks!


John "Jack" Skinner, Ph. D. | Postdoctoral Fellow | University of Chicago
Lab: 773.834.0658 | GCIS Room W107E, 929 E. 57th St. Chicago, IL 60637

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