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In this section
MPI_Comm_group
Retrieves the group that is associated with a communicator.MPI_Group_compare
Compares two groups for member equality.MPI_Group_difference
Creates a new group from the difference between two existing groups.MPI_Group_excl
A group constructor that is used to define a new group by deleting ranks from an existing group.MPI_Group_free
Frees a group.MPI_Group_incl
Creates a new group that contains a subset of the processes in an existing group.MPI_Group_intersection
Creates a new group from the intersection of two existing groups.MPI_Group_range_excl
Creates a new group by removing processes from an existing group.MPI_Group_range_incl
A group constructor that is used to define a new group by adding additional sets of ranks to an existing group.MPI_Group_rank
Returns the rank of the calling process in the specified group.MPI_Group_size
Retrieves the size of the specified group.MPI_Group_translate_ranks
Determines the relative numbering of the same processes in two different groups.MPI_Group_union
Creates a new group from the union of two existing groups.