This is really tech support for PyMetis (i.e. wrong list), but oh well. Just install pyublas.
Andreas MarbHarmsen <a.j.j.lagerw...@student.tudelft.nl> writes: > I'm currently trying to build a simple FEA solver in python using an > incomplete Cholesky decomposition preconditioned conjugate gradient method. > I have exported an example stiffness matrix from my old (and slow) code into > a symmetric .mtx file. This matrix is imported into the example code at > https://wiki.tiker.net/PyCuda/Examples/SparseSolve. > > Running the code resulted in errors. The first part was solved by pymetis. > However now a new problem appeared. I get a type error: "TypeError: No > registered converter was able to produce a C++ rvalue of type int from this > Python object of type numpy.int32". > > The full traceback: > In [1]: > runfile('/home/bram/Documenten/TUDelft/Thesis/Phyton/topopt/src/cgCUDATest.py', > wdir='/home/bram/Documenten/TUDelft/Thesis/Phyton/topopt/src') > starting... > building... > Traceback (most recent call last): > > File "<ipython-input-56-3395cc199316>", line 1, in <module> > > runfile('/home/bram/Documenten/TUDelft/Thesis/Phyton/topopt/src/cgCUDATest.py', > wdir='/home/bram/Documenten/TUDelft/Thesis/Phyton/topopt/src') > > File > "/home/bram/.anaconda3/lib/python3.6/site-packages/spyder/utils/site/sitecustomize.py", > line 705, in runfile > execfile(filename, namespace) > > File > "/home/bram/.anaconda3/lib/python3.6/site-packages/spyder/utils/site/sitecustomize.py", > line 102, in execfile > exec(compile(f.read(), filename, 'exec'), namespace) > > File > "/home/bram/Documenten/TUDelft/Thesis/Phyton/topopt/src/cgCUDATest.py", line > 71, in <module> > main_cg() > > File > "/home/bram/Documenten/TUDelft/Thesis/Phyton/topopt/src/cgCUDATest.py", line > 21, in main_cg > spmv = PacketedSpMV(csr_mat, 'symmetric', csr_mat.dtype) > > File > "/home/bram/.anaconda3/lib/python3.6/site-packages/pycuda-2017.1-py3.6-linux-x86_64.egg/pycuda/sparse/packeted.py", > line 127, in __init__ > xadj=adj_mat.indptr, adjncy=adj_mat.indices) > > File > "/home/bram/.anaconda3/lib/python3.6/site-packages/pymetis/__init__.py", > line 120, in part_graph > return part_graph(nparts, xadj, adjncy, vweights, eweights, recursive) > > TypeError: No registered converter was able to produce a C++ rvalue of type > int from this Python object of type numpy.int32 > > Do I need to change the python files in pymetis? > > > > -- > Sent from: http://pycuda.2962900.n2.nabble.com/ > > _______________________________________________ > PyCUDA mailing list > PyCUDA@tiker.net > https://lists.tiker.net/listinfo/pycuda _______________________________________________ PyCUDA mailing list PyCUDA@tiker.net https://lists.tiker.net/listinfo/pycuda
