MPI Exception FFT2DMPIWithFFTWMPI2D.scatter_Xspace
Created originally on Bitbucket by calpe (Miguel Calpe)
To reproduce the bug:
1 python bug_mpi_init_file_modif_resol.py
2 modify the paths in bug_mpi_modif_resol.py
3 mpirun -np 4 python bug_mpi_modif_resol.py
Traceback (most recent call last):
File "coeff_diss.py", line 457, in <module>
sim = Simul(params)
File "/home/users/calpelin7m/Dev/fluidsim/fluidsim/base/solvers/base.py", line 165, in __init__
self.init_fields()
File "/home/users/calpelin7m/Dev/fluidsim/fluidsim/base/init_fields.py", line 141, in __call__
self._specific_init_fields()
File "/home/users/calpelin7m/Dev/fluidsim/fluidsim/base/init_fields.py", line 252, in __call__
field_loc = self.sim.oper.scatter_Xspace(field_seq)
File "fluidfft/fft2d/fft2dmpi_with_fftwmpi2d.pyx", line 272, in fluidfft.fft2d.mpi_with_fftwmpi2d.FFT2DMPIWithFFTWMPI2D.scatter_Xspace
File "mpi4py/MPI/Comm.pyx", line 614, in mpi4py.MPI.Comm.Scatter
mpi4py.MPI.Exception: MPI_ERR_TRUNCATE: message truncated