Enable Intel Threading Building Blocks #325
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If ENABLE_TBB, Intel's threading building blocks is downloaded and linked to all faunus targets. This enables the use of parallel `std::execution` policies currently available in GCC 9.1 and onwards. As exemplified in `src/energy.h`, a macro can be used to deternine if parallel execution is supported by the compiler. The linked TBB is a clone, currently of TBB 2020.2 with added CMake build, which enables simple download from our build system.
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If
ENABLE_TBB, Intel's threading building blocks is downloaded and linked to all faunus targets. This enables the use of parallelstd::executionpolicies currently available in GCC 9.1 and onwards. As exemplified insrc/energy.h, a macro can be used to deternine if parallel execution is supported by the compiler. The linked TBB is a clone, currently of TBB 2020.2 with added CMake build, which enables simple download from our build system.ranges): https://developer.nvidia.com/blog/accelerating-standard-c-with-gpus-using-stdpar/