1 #include "stdio.h" 2 #include "petsc.h" 3 4 int main( int argc, char **argv) 5 { 6 double x, y; 7 8 PetscInitialize(&argc, &argv,0,0,0); 9 /* To take care of paging effects */ 10 y = MPI_Wtime(); 11 12 x = MPI_Wtime(); 13 y = MPI_Wtime(); 14 y = MPI_Wtime(); 15 y = MPI_Wtime(); 16 y = MPI_Wtime(); 17 y = MPI_Wtime(); 18 y = MPI_Wtime(); 19 y = MPI_Wtime(); 20 y = MPI_Wtime(); 21 y = MPI_Wtime(); 22 y = MPI_Wtime(); 23 24 fprintf(stderr,"%-15s : %e sec\n","MPI_Wtime",(y-x)/10.0); 25 PetscFinalize(); 26 return 0; 27 } 28