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DedalusProject / dedalus

A flexible framework for solving PDEs with modern spectral methods.
http://dedalus-project.org/
GNU General Public License v3.0
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ValueError: mpi4py.MPI.File size changed, may indicate binary incompatibility. #186

Closed zhaozhh closed 2 years ago

zhaozhh commented 2 years ago

I had installed dedalus in the WSL 2 from source with Ubuntu 20.4. But when I run the first example I meet the following error message. Can someone help me? Thanks!

2022-03-26 17:14:17,578 dedalus 0/1 WARNING :: Threading has not been disabled. This may massively degrade Dedalus performance. 2022-03-26 17:14:17,578 dedalus 0/1 WARNING :: We strongly suggest setting the "OMP_NUM_THREADS" environment variable to "1". Traceback (most recent call last): File "waves_on_a_string.py", line 21, in import dedalus.public as d3 File "/home/zhao/.local/lib/python3.8/site-packages/dedalus/public.py", line 4, in from .core.coords import * File "/home/zhao/.local/lib/python3.8/site-packages/dedalus/core/init.py", line 2, in from . import distributor File "/home/zhao/.local/lib/python3.8/site-packages/dedalus/core/distributor.py", line 23, in from .transposes import FFTWTranspose as TransposePlanner File "dedalus/core/transposes.pyx", line 1, in init dedalus.core.transposes ValueError: mpi4py.MPI.File size changed, may indicate binary incompatibility. Expected 40 from C header, got 32 from PyObject

zhaozhh commented 2 years ago

Installing it with anaconda without problem.