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VecCore is an open source SIMD abstraction library. It provides an architecture independent API for expressing vector operations on data.

VecCore was originally developed as part of the VecGeom library, to enable portable SIMD programming in both VecGeom and GeantV projects.

VecCore is available at CERN's GitLab

• https://gitlab.cern.ch/VecGeom/VecCore.

VecCore supports Linux and Mac OS X. To compile software using the VecCore library, you need a compiler with support for C++11. VecCore is tested with the following compilers:

• GCC 5.3.0
• Clang 3.8.0
• AppleClang 7.3.0
• Intel® C/C++ Compiler 16.0.2

Additionally, you will need CMake 3.1.0 or greater, and you may want to install a SIMD library such as

• Vc (version 1.2.0 or later)
• UME::SIMD (version 0.8.1 or later)

and/or

• Nvidia's CUDA SDK (version 7.5 or later).

If you encounter any bugs, please report them at:

• https://gitlab.cern.ch/VecGeom/VecCore/issues.

For other questions, please contact Guilherme Amadio at amadio@cern.ch.