[SciPy-dev] NumPy/SciPy test results, x86 and PPC

Pearu Peterson pearu at scipy.org
Tue Jan 10 09:58:13 CST 2006



On Tue, 10 Jan 2006, Darren Dale wrote:

> On Friday 06 January 2006 08:52, Darren Dale wrote:
>> I have some failures to report this morning, after updating to version
>> 0.9.3.1842 on an AMD-64. I dont know how to force scipy to use fftw-2 with
>> the new code in distutils.system_info, but based on previous experience I
>> believe these failures are unique to fftw-3.
>
> I have observed these fftw-3 errors on both AMD64 and x86 architectures now.
>
> I temporarily removed fftw-3 from my system, and can confirm that all tests
> pass when scipy is built using fftw-2. Unfortunately, I have other programs
> that require fftw-3, so this wont do as a workaround.
>
> Has anyone successfully built and tested the scipy-0.4.4 with fftw-3?

Yes.

> Does anyone know how to tell scipy which fftw version to use, or is 
> anyone working on the fftw-3 problems?

Define environment variable

   FFTW3=None

to disable fftw-3 detection.

> If not, maybe fftw-3 support should be masked for the time being.

No need, it should be fixed instead for PPC..

Pearu




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