1d8e9fea7SSatish Balay 2c6db04a5SJed Brown #include <petscsys.h> 3173c0623SSatish Balay 4173c0623SSatish Balay int main(int argc,char **argv) 5173c0623SSatish Balay { 6173c0623SSatish Balay double x,y; 79ae0b57aSSatish Balay int ierr; 8173c0623SSatish Balay 9*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscInitialize(&argc,&argv,0,0)); 1098d6af09SSatish Balay /* To take care of paging effects */ 1198d6af09SSatish Balay y = MPI_Wtime(); 12173c0623SSatish Balay 13173c0623SSatish Balay x = MPI_Wtime(); 14173c0623SSatish Balay y = MPI_Wtime(); 15173c0623SSatish Balay y = MPI_Wtime(); 16173c0623SSatish Balay y = MPI_Wtime(); 17173c0623SSatish Balay y = 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 2535d8aa7fSBarry Smith fprintf(stdout,"%-15s : %e sec\n","MPI_Wtime",(y-x)/10.0); 26b860a41fSSatish Balay y = MPI_Wtick(); 27b4d8b9abSSatish Balay fprintf(stdout,"%-15s : %e sec\n","MPI_Wtick",y); 28b860a41fSSatish Balay 2923fede2cSSatish Balay x = MPI_Wtime(); 305f80ce2aSJacob Faibussowitsch CHKERRQ(PetscSleep(10)); 3123fede2cSSatish Balay y = MPI_Wtime(); 3235d8aa7fSBarry Smith fprintf(stdout,"%-15s : %e sec - Slept for 10 sec \n","MPI_Wtime",(y-x)); 33b860a41fSSatish Balay 34*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscFinalize()); 35*b122ec5aSJacob Faibussowitsch return 0; 36173c0623SSatish Balay } 37