On 28/07/14 21:27, Jacob Crabill wrote:
> Hi All,
>
> I've managed to compile & run PyFR on one GPU-enabled desktop, but my
> simple Ubuntu machine is giving me the following error when I try to run
> the code using the openmp backend (just the last few lines of error
> messages shown):
>
> File
> "/usr/local/lib/python2.7/dist-packages/pyfr-0.2.1-py2.7.egg/pyfr/backends/openmp/cblas.py",
> line 114, in mul
> par_gemm = self._build_kernel('par_gemm', src, argt)
> File
> "/usr/local/lib/python2.7/dist-packages/pyfr-0.2.1-py2.7.egg/pyfr/util.py",
> line 26, in __call__
> key = (self.func, pickle.dumps(args[1:], 1), pickle.dumps(kwargs, 1))
> cPickle.PicklingError: Can't pickle <type 'numpy.int32'>: it's not the
> same object as numpy.int32
>
> I believe the only BLAS that I have installed on this machine is ATLAS
> BLAS, in case that's relevant (installed from the Ubuntu repository).
> Additionally, my default mpi is mpich2 instead of openmpi. Any tips
> are appreciated!
It is unlikely to be your BLAS library. The error is coming when PyFR
attempts to call (simplified):
cPickle.dumps([numpy.int32], 1)
with the module complaining that there appears to be two different
numpy.int32 classes floating around. This is strongly indicative of a
configuration issue. Perhaps stale .pyc files floating around, an
incorrect PYTHONPATH, or two versions of NumPy on the system (both of
which are somehow getting imported).
Regards, Freddie.
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