xref: /petsc/src/benchmarks/MPI_Wtime.c (revision 77c4ece699e97450631aa6fc5b0ef04ff52df029)
1d8e9fea7SSatish Balay #ifndef lint
2*77c4ece6SBarry Smith static char vcid[] = "$Id: MPI_Wtime.c,v 1.3 1996/03/06 17:40:32 balay Exp bsmith $";
3d8e9fea7SSatish Balay #endif
4d8e9fea7SSatish Balay 
5173c0623SSatish Balay #include "stdio.h"
6173c0623SSatish Balay #include "petsc.h"
7173c0623SSatish Balay 
8173c0623SSatish Balay int main( int argc, char **argv)
9173c0623SSatish Balay {
10173c0623SSatish Balay   double x, y;
11173c0623SSatish Balay 
12*77c4ece6SBarry Smith   PetscInitialize(&argc, &argv,0,0);
1398d6af09SSatish Balay  /* To take care of paging effects */
1498d6af09SSatish Balay   y = MPI_Wtime();
15173c0623SSatish Balay 
16173c0623SSatish Balay   x = 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   y = MPI_Wtime();
25173c0623SSatish Balay   y = MPI_Wtime();
26173c0623SSatish Balay   y = MPI_Wtime();
27173c0623SSatish Balay 
28173c0623SSatish Balay   fprintf(stderr,"%-15s : %e sec\n","MPI_Wtime",(y-x)/10.0);
29173c0623SSatish Balay   PetscFinalize();
30173c0623SSatish Balay   return 0;
31173c0623SSatish Balay }
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