Hello,
I have a question about bands.x error given as below.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Error in routine fft_type_set (6):
there are processes with no planes. Use pencil decomposition (-pd .true.)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
stopping ...
application called MPI_Abort(MPI_COMM_WORLD, 6) - process XXX
XXX in the error message above is rank of the processors I used.
One strange thing is I’m doing same job with various numbers of processors from
1 to 256 with ×2 interval. But I have been finished the job with 16 processors
before but this error appears when I done with 256 processors. It seems like
the message should do put something in the input file or job running command.
Input and command I used are followings.
Input
&bands
prefix='CsPbCl3',
outdir='./wavefunc',
filband='band',
lsym=.true.,
/
Command
mpirun -f mpihost -n 256 ~/install/Quantum_Espresso_7.3.1/qe-7.3.1/bin/bands.x
< bands.in > stdout.txt & tailf stdout.txt
How can I avoid this error? I’m using MPI with 13 nodes with 20 cores and 32GB
RAM for each nodes.
I will wait for your answers.
Geonwoo Lee
Ph.D. student
Dept. of Physics and Photoscience, Gwangju Institute of Science and Technology,
Gwangju, South Korea
[email protected]<mailto:[email protected]>
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