mpi_ops.cpp File Reference

#include "core/parallel/mpi_ops.hpp"
#include <cmath>

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Namespaces
namespace	num
namespace	num::mpi

Functions
void	num::mpi::init (int *argc, char ***argv)
	Initialize MPI (call once)
void	num::mpi::finalize ()
	Finalize MPI.
int	num::mpi::rank (MPI_Comm comm=MPI_COMM_WORLD)
	Get communicator rank.
int	num::mpi::size (MPI_Comm comm=MPI_COMM_WORLD)
	Get communicator size.
real	num::mpi::dot (const Vector &x, const Vector &y, MPI_Comm comm=MPI_COMM_WORLD)
	Distributed dot product (each rank holds partial vector)
real	num::mpi::norm (const Vector &x, MPI_Comm comm=MPI_COMM_WORLD)
	Distributed norm.
void	num::mpi::allreduce_sum (real *data, idx n, MPI_Comm comm=MPI_COMM_WORLD)
	Allreduce sum.
void	num::mpi::broadcast (real *data, idx n, int root=0, MPI_Comm comm=MPI_COMM_WORLD)
	Broadcast from root.