I'm attempting to install PyMPVA on our linux cluster. Instead of using a packaged version of the software (which would have to be installed on all of the nodes) I've installed a separate Python instance under a shared file system and have used this Python to install the necessary pre-reqs. When I'm done, my PyMPVA build is flakey (it gets the wrong answer when compared against pre- built PyMPVA packages and often prints out lots of warnings like "Warning: divide by zero encountered in power" and "Warning: Extremely bad integrand behavior occurs at some points of the integration interval.")
I'm doing this on a RHEL 5.5 system and using gfortran 4.1.2. I initially started with Python 2.4.6, but also repeated this process starting with a much newer version Python 2.6.5. After Python, I installed Numpy 1.5.0b1, SciPy 0.8.0, Nifticlib 2.0.0, PyNIfTI 0.20090303.1 ( I had to do some hacks to get this to build properly. It needed help finding the Nifti libraries and some of the compression libraries) and finally PyMPVA 0.4.4. At each point I tried to run any tests that come with the various packages. Things looked fairly reasonable (this is with Python 2.4.6): Numpy: [r...@login001 nose-0.11.2]# python -c 'import numpy; numpy.test()' ... Warning: divide by zero encountered in log Ran 2945 tests in 15.034s OK (KNOWNFAIL=4) SciPy: [r...@login001 nose-0.11.2]# python >>> import scipy >>> scipy.test() ... Warning: invalid value encountered in multiply Warning: divide by zero encountered in log Warning: invalid value encountered in multiply ... SSSS......SSSS...................................................F.Segmentation fault [r...@login001 pynifti-0.20090303.1]# make test ......................... Ran 2 tests in 2.636s FAILED (failures=1) make: *** [testmanual] Error 1 and with Python 2.6.5: [r...@login002 src]# python -c 'import numpy; numpy.test()' ... ...........Warning: divide by zero encountered in log ........................................................................................................................................................................................................................................... ---------------------------------------------------------------------- Ran 2966 tests in 13.843s >>> import scipy >>> scipy.test() ... Ran 4405 tests in 47.563s OK (KNOWNFAIL=13, SKIP=38) <nose.result.TextTestResult run=4405 errors=0 failures=0> Any suggestions on what to try next? Any tips on building from source? Are some versions of Python easier to work with? Malcolm -- Malcolm Tobias 314.362.1594 _______________________________________________ Pkg-ExpPsy-PyMVPA mailing list [email protected] http://lists.alioth.debian.org/mailman/listinfo/pkg-exppsy-pymvpa
