1 static char help[] = "Tests DMDACreate3d() memory usage\n\n";
2
3 #include <petscdmda.h>
4
main(int argc,char ** argv)5 int main(int argc, char **argv)
6 {
7 DM dm;
8 Vec X, Y;
9 PetscInt dof = 10;
10
11 PetscFunctionBeginUser;
12 PetscCall(PetscInitialize(&argc, &argv, NULL, help));
13 PetscCall(PetscOptionsGetInt(NULL, NULL, "-dof", &dof, NULL));
14 PetscCall(DMDACreate3d(PETSC_COMM_WORLD, DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, DMDA_STENCIL_STAR, -128, -128, -128, PETSC_DECIDE, PETSC_DECIDE, PETSC_DECIDE, dof, 1, NULL, NULL, NULL, &dm));
15 PetscCall(DMSetFromOptions(dm));
16 PetscCall(DMSetUp(dm));
17 PetscCall(PetscMemoryTrace("DMDACreate3d "));
18
19 PetscCall(DMCreateGlobalVector(dm, &X));
20 PetscCall(PetscMemoryTrace("DMCreateGlobalVector"));
21 PetscCall(DMCreateGlobalVector(dm, &Y));
22 PetscCall(PetscMemoryTrace("DMCreateGlobalVector"));
23
24 PetscCall(VecDestroy(&X));
25 PetscCall(VecDestroy(&Y));
26 PetscCall(DMDestroy(&dm));
27 PetscCall(PetscFinalize());
28 return 0;
29 }
30