1a5eb4965SSatish Balay #ifdef PETSC_RCS_HEADER 2*5a655dc6SBarry Smith static char vcid[] = "$Id: MPI_Wtime.c,v 1.8 1999/02/22 21:35:57 balay Exp bsmith $"; 3d8e9fea7SSatish Balay #endif 4d8e9fea7SSatish Balay 5173c0623SSatish Balay #include "petsc.h" 6173c0623SSatish Balay 7*5a655dc6SBarry Smith #undef __FUNC__ 8*5a655dc6SBarry Smith #define __FUNC__ "main" 9173c0623SSatish Balay int main( int argc, char **argv) 10173c0623SSatish Balay { 11173c0623SSatish Balay double x, y; 12173c0623SSatish Balay 1377c4ece6SBarry Smith PetscInitialize(&argc, &argv,0,0); 1498d6af09SSatish Balay /* To take care of paging effects */ 1598d6af09SSatish Balay y = MPI_Wtime(); 16173c0623SSatish Balay 17173c0623SSatish Balay x = MPI_Wtime(); 18173c0623SSatish Balay y = MPI_Wtime(); 19173c0623SSatish Balay y = MPI_Wtime(); 20173c0623SSatish Balay y = MPI_Wtime(); 21173c0623SSatish Balay y = MPI_Wtime(); 22173c0623SSatish Balay y = MPI_Wtime(); 23173c0623SSatish Balay y = MPI_Wtime(); 24173c0623SSatish Balay y = MPI_Wtime(); 25173c0623SSatish Balay y = MPI_Wtime(); 26173c0623SSatish Balay y = MPI_Wtime(); 27173c0623SSatish Balay y = MPI_Wtime(); 28173c0623SSatish Balay 29173c0623SSatish Balay fprintf(stderr,"%-15s : %e sec\n","MPI_Wtime",(y-x)/10.0); 30b860a41fSSatish Balay y = MPI_Wtick(); 31b860a41fSSatish Balay fprintf(stderr,"%-15s : %e sec\n","MPI_Wtick",y); 32b860a41fSSatish Balay 3323fede2cSSatish Balay x = MPI_Wtime(); 3423fede2cSSatish Balay PetscSleep(10); 3523fede2cSSatish Balay y = MPI_Wtime(); 3623fede2cSSatish Balay fprintf(stderr,"%-15s : %e sec - Slept for 10 sec \n","MPI_Wtime",(y-x)); 37b860a41fSSatish Balay 38173c0623SSatish Balay PetscFinalize(); 393a40ed3dSBarry Smith PetscFunctionReturn(0); 40173c0623SSatish Balay } 41