boost-mpi

C++ library for parallel computing with MPI message passing

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C++ library for C++/MPI interoperability

compile C++ program using boost MPI library

$ mpic++ -I$(brew --prefix boost-mpi)/include -L$(brew --prefix boost-mpi)/lib -lboost_mpi -lboost_system myprogram.cpp -o myprogram

run MPI program across multiple processor cores$ mpirun -np 4 ./myprogram

check boost MPI installation path and version$ brew info boost-mpi && pkg-config --modversion boost-mpi

link boost MPI library in CMake project$ find_package(Boost REQUIRED COMPONENTS mpi) and target_link_libraries(mytarget Boost::mpi)

verify MPI compiler wrapper is working$ mpic++ --version && mpirun --version