[Numpy-discussion] Core dump during numpy.test()

Mathew Yeates myeates@jpl.nasa....
Tue Jul 29 17:45:55 CDT 2008


oops. It is ATLAS. I was able to run with a nonoptimized lapack.

Mathew Yeates wrote:
> Charles R Harris wrote:
>   
>> This smells like an ATLAS problem.
>>     
> I don't think so. I crash in a call to dsyevd which part of lapack but 
> not atlas. Also, when I commented out the call to test_eigh_build I get 
> zillions of errors like (look at the second one, warnings wasn't imported?)
> ======================================================================
> ERROR: check_single (numpy.linalg.tests.test_linalg.TestSVD)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File 
> "/home/ossetest/lib/python2.5/site-packages/numpy/linalg/tests/test_linalg.py", 
> line 30, in check_single
>     self.do(a, b)
>   File 
> "/home/ossetest/lib/python2.5/site-packages/numpy/linalg/tests/test_linalg.py", 
> line 100, in do
>     u, s, vt = linalg.svd(a, 0)
>   File 
> "/home/ossetest/lib/python2.5/site-packages/numpy/linalg/linalg.py", 
> line 980, in svd
>     s = s.astype(_realType(result_t))
> ValueError: On entry to DLASD0 parameter number 9 had an illegal value
>
> ======================================================================
> ERROR: Tests polyfit
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File 
> "/home/ossetest/lib/python2.5/site-packages/numpy/ma/tests/test_extras.py", 
> line 365, in test_polyfit
>     assert_almost_equal(polyfit(x,y,3),numpy.polyfit(x,y,3))
>   File "/home/ossetest/lib/python2.5/site-packages/numpy/ma/extras.py", 
> line 882, in polyfit
>     warnings.warn("Polyfit may be poorly conditioned", np.RankWarning)
> NameError: global name 'warnings' is not defined
>
>
>   
>>    You should seed a note to Clint Whaley (the ATLAS guy). IIRC, ATLAS 
>> has some hand coded asm routines and it seems that support for these 
>> very new processors might be broken.
>>
>> Chuck
>>
>>
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>>     
>
>
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