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Eigen (C++ library): Difference between revisions
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For optimal performance, I recommend using the following flags when compiling.<br> | For optimal performance, I recommend using the following flags when compiling.<br> | ||
====GCC==== | ====GCC==== | ||
*<code>-mfma</code> Enable fused multiply add | *<code>-march=native</code> and <code>-mtune=native</code> if running only locally | ||
*<code>-mavx2</code> Enable avx2 vector instructions | **Otherwise, at a minimum | ||
**<code>-mfma</code> Enable fused multiply add | |||
**<code>-mavx2</code> Enable avx2 vector instructions | |||
*<code>-DEIGEN_NO_DEBUG</code> Set preprocessor define for eigen optimizations | *<code>-DEIGEN_NO_DEBUG</code> Set preprocessor define for eigen optimizations | ||
*<code>-fopenmp</code> OpenMP parallel execution | *<code>-fopenmp</code> OpenMP parallel execution | ||