The Bitter Truth: Python 3.11 vs Cython vs C++ Performance for Simulations

This page summarizes the projects mentioned and recommended in the original post on /r/cpp

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  • Klein

    P(R*_{3, 0, 1}) specialized SIMD Geometric Algebra Library

  • Most high-performance math libraries perform a lot of vectorization (Eigen, etc) under the hood. And you've got stuff like Klein, Vc (which is reminiscent of std::valarray), etc. Then there's OpenMP's #pragma omp simd (assuming version 4.0 or greater).

  • Vc

    SIMD Vector Classes for C++

  • Most high-performance math libraries perform a lot of vectorization (Eigen, etc) under the hood. And you've got stuff like Klein, Vc (which is reminiscent of std::valarray), etc. Then there's OpenMP's #pragma omp simd (assuming version 4.0 or greater).

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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