.. 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-modeling-performance:

Performance Tips
================

Initializing a compound model with many constituent models can be time consuming.
If your code uses the same compound model repeatedly consider initializing it
once and reusing the model.

Consider the :ref:`performance tips <astropy-units-performance>` that apply to
quantities when initializing and evaluating models with quantities.