Eigen (C++ library): Difference between revisions
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==Usage== | |||
===Compilation=== | |||
[http://eigen.tuxfamily.org/index.php?title=FAQ#Optimization Reference]<br> | |||
For optimal performance, I recommend using the following flags when compiling.<br> | |||
====GCC==== | |||
*<code>-mfma</code> Enabled fused multiply add | |||
*<code>-mavx2</code> Enable avx2 vector instructions | |||
*<code>-DEIGEN_NO_DEBUG</code> Set preprocessor define for eigen optimizations | |||
*<code>-fopenmp</code> OpenMP parallel execution | |||
Revision as of 19:35, 1 October 2019
Eigen is a template header-only C++ linear algebra library. It is one of the fastest and most popular.
Usage
Compilation
Reference
For optimal performance, I recommend using the following flags when compiling.
GCC
-mfmaEnabled fused multiply add-mavx2Enable avx2 vector instructions-DEIGEN_NO_DEBUGSet preprocessor define for eigen optimizations-fopenmpOpenMP parallel execution