[Numpy-discussion] Core dump during numpy.test()
Mathew Yeates
myeates at jpl.nasa.gov
Tue Jul 29 18:45:55 EDT 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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