You are looking at a ten fold slow down to use Numpy. This is a extremely time sensitive software. Mentioning wrappers even adds to the over head.<p>Here is NASA&#x27;s benchmarks using Fortan vs MATLAB vs Numpy vs Java. pretty evident that Fortran blew everything away. 
<a href="https:&#x2F;&#x2F;modelingguru.nasa.gov&#x2F;docs&#x2F;DOC-1762" rel="nofollow">https:&#x2F;&#x2F;modelingguru.nasa.gov&#x2F;docs&#x2F;DOC-1762</a>