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.. note that if this is changed from the default approach of using an *include*
(in index.rst) to a separate performance page, the header needs to be changed
from === to ***, the filename extension needs to be changed from .inc.rst to
.rst, and a link needs to be added in the subpackage toctree
.. _astropy-convolution-performance:
Performance Tips
================
The :func:`~astropy.convolution.convolve` function is best suited to small
kernels, and can become very slow for larger kernels. In this case, consider
using :func:`~astropy.convolution.convolve_fft` (though note that this function
uses more memory).
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