#ifdef PETSC_RCS_HEADER static char vcid[] = "$Id: MPI_Wtime.c,v 1.7 1997/10/19 03:30:47 bsmith Exp balay $"; #endif #include "petsc.h" int main( int argc, char **argv) { double x, y; PetscInitialize(&argc, &argv,0,0); /* To take care of paging effects */ y = MPI_Wtime(); x = MPI_Wtime(); y = MPI_Wtime(); y = MPI_Wtime(); y = MPI_Wtime(); y = MPI_Wtime(); y = MPI_Wtime(); y = MPI_Wtime(); y = MPI_Wtime(); y = MPI_Wtime(); y = MPI_Wtime(); y = MPI_Wtime(); fprintf(stderr,"%-15s : %e sec\n","MPI_Wtime",(y-x)/10.0); y = MPI_Wtick(); fprintf(stderr,"%-15s : %e sec\n","MPI_Wtick",y); x = MPI_Wtime(); PetscSleep(10); y = MPI_Wtime(); fprintf(stderr,"%-15s : %e sec - Slept for 10 sec \n","MPI_Wtime",(y-x)); PetscFinalize(); PetscFunctionReturn(0); }