[Numpy-discussion] numarray dotblas problem on OSX
Robert Kern
rkern at ucsd.edu
Thu Apr 28 18:09:53 EDT 2005
Robert Kern wrote:
> Simon Burton wrote:
>
>> Hi,
>>
>> I have a colleague running Mac OS 10.3, running numarray-1.3.1 (from
>> fink)
>> who has managed to bomb on this little code example:
>>
>>
>>>>> import numarray as na
>>>>> import numarray.random_array as ra
>>>>> a = ra.random(shape=(257,256))
>>>>> b = ra.random(shape=(1,256))
>>>>> na.innerproduct(a, b)
>>
>>
>>
>> He gets a blas error:
>>
>> ldc must be >= MAX(N,1): ldc=256 N=257Parameter 14 to routine
>> cblas_dgemm was incorrect
>> Mac OS BLAS parameter error in cblas_dgemm, parameter #0,
>> (unavailable), is 0
>
>
> On OS X 10.3, numarray 1.3.0, self-compiled for the Apple-installed
> Python with vecLib as the BLAS, I don't get an error.
>
> I don't get a result that's sensible to me, either; I get a
> (257,1)-shape array with only the first and last entries non-zero.
Oh yes, and apparently a segfault on exit, too.
--
Robert Kern
rkern at ucsd.edu
"In the fields of hell where the grass grows high
Are the graves of dreams allowed to die."
-- Richard Harter
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