[Numpy-discussion] Is numpy.convolve based on LAPACK routine?
Pauli Virtanen
pav at iki.fi
Wed Nov 10 19:15:03 EST 2010
On Thu, 11 Nov 2010 00:43:32 +0100, LittleBigBrain wrote:
> I am wondering, is numpy.convolve based on LAPACK routine? Can it be
> speedup by using ATLAS?
LAPACK and Atlas do not AFAIK have convolution routines -- that's not
linear algebra. MKL on the other hand would have some. The implementation
in Numpy is the straightforward one, without SIMD etc.
For large datasets, scipy.signal.fftconvolve should be faster.
--
Pauli Virtanen
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