[SciPy-user] scipy.test problem

Robert Kern robert.kern at gmail.com
Thu Mar 16 12:02:50 CST 2006


Matthew Brett wrote:
> Hi,
> 
> Just to update on 64 bit, scipy tests.  I have now tested on two
> identical 64 bit linux P4 systems:
> 
> 1) Fedora core 4
> gcc (GCC) 4.0.2 20051125 (Red Hat 4.0.2-8)
> GNU Fortran (GCC 3.2.3 20030502 (Red Hat Linux 3.2.3-47.fc4))
> 
> 2) Ubuntu
> gcc (GCC) 4.0.2 20050808 (prerelease)
> GNU Fortran (GCC) 3.4.5 20050809
> 
> Both have: nocona optimized atlas, fftw 3.1, numpy '0.9.7.2248', scipy
> '0.4.7.1713'
> 
> System 1 generates error messages Hanno and I have reported for
> scipy.linalg.test()
> 
>>FAIL: check_simple (scipy.linalg.decomp.test_decomp.test_eig)
> 
> System 2 passes all scipy.linalg.test()
> Neither system generates an error for scipy.stats.test() - which
> appears to be the source of the errors reported by Nils and Brett
> 
> Both systems hang indefinitely for:
> 
> scipy.lib.lapack.test()
> 
> I guess I'm going to conclude that
> 
> At least the combination of gcc 4.0.2 and g77 3.2.3 and ATLAS is not
> compatible with linalg
> At least the combination of ATLAS, gcc 4.0.2 and either version of g77
> that I have is not going to work for lib.lapack
> There is some other incompatibility for the setup of Nils and Brett.

Hmm. On my AMD64 Ubuntu Breezy with the same compilers that you list above and
ATLAS from the atlas3-base package, scipy.lib.lapack.test() runs perfectly.

-- 
Robert Kern
robert.kern at gmail.com

"I have come to believe that the whole world is an enigma, a harmless enigma
 that is made terrible by our own mad attempt to interpret it as though it had
 an underlying truth."
  -- Umberto Eco



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