I could provide you with a debug build of libopenblaspy.dll. The segfault - if ithrown from openblas - could be detected with gdb or with the help of backtrace.dll.
Carl 2015-07-10 18:31 GMT+02:00 Nathaniel Smith <n...@pobox.com>: > On Jul 10, 2015 10:51 AM, "Olivier Grisel" <olivier.gri...@ensta.org> > wrote: > > > > I narrowed down the segfault from the scipy tests on my machine to: > > > > OPENBLAS_CORETYPE='Barcelona' /c/Python34_x64/python -c"import numpy > > as np; print(np.linalg.svd(np.ones((129, 129), dtype=np.float64))" > > > > Barcelona is the architecture detected by OpenBLAS. If I force Nehalem > > or if I reduce the matrix to shape (128, 128), it no longer segfaults. > > To debug it further I think I have to write a test program in C that > > uses the sgesdd function of the libopenblaspy.dll or against the > > official libopenblas.dll. Setting the dev environment under windows is > > painful though. > > I assume you've already checked that this is a Windows specific issue? > > -n > > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@scipy.org > http://mail.scipy.org/mailman/listinfo/numpy-discussion > >
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