MPI_Graph_map

--- Maps process to graph topology information

Input Parameters

comm: input communicator (handle)

nnodes: number of graph nodes (integer)

index: integer array specifying the graph structure, see MPI_GRAPH_CREATE

edges: integer array specifying the graph structure

Output Parameter

newrank: reordered rank of the calling process; MPI_UNDEFINED if the calling process does not belong to graph (integer)

Synopsis


#include "mpi.h"
int MPI_Graph_map ( comm_old, nnodes, index, edges, newrank )
MPI_Comm comm_old;
int      nnodes;
int     *index;
int     *edges;
int     *newrank;

Location: graph_map.c