#include <mpc.h> #include <sys/utsname.h> nettype Mesh(int m, int n) { coord I=m, J=n; parent [0,0]; }; #define M 2 #define N 3 int [*]main() { net Mesh(M,N) [host]mynet; [mynet]: { struct utsname un; uname(&un); if ( I coordof un == 0 ) MPC_Printf("I'm on \"%s\" and have coordinates (%d, %d).\n", un.nodename, 0, J coordof un); ([(M*N)mynet])MPC_Barrier(); if ( I coordof un != 0 ) MPC_Printf("I'm on \"%s\" and have coordinates (%d, %d).\n", un.nodename, I coordof un, J coordof un); } }