static char help[] = "Tests DMDACreate3d() memory usage\n\n"; #include int main(int argc,char **argv) { DM dm; Vec X,Y; PetscErrorCode ierr; PetscInt dof = 10; ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; CHKERRQ(PetscOptionsGetInt(NULL,NULL,"-dof",&dof,NULL)); CHKERRQ(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)); CHKERRQ(DMSetFromOptions(dm)); CHKERRQ(DMSetUp(dm)); CHKERRQ(PetscMemoryTrace("DMDACreate3d ")); CHKERRQ(DMCreateGlobalVector(dm,&X)); CHKERRQ(PetscMemoryTrace("DMCreateGlobalVector")); CHKERRQ(DMCreateGlobalVector(dm,&Y)); CHKERRQ(PetscMemoryTrace("DMCreateGlobalVector")); CHKERRQ(VecDestroy(&X)); CHKERRQ(VecDestroy(&Y)); CHKERRQ(DMDestroy(&dm)); ierr = PetscFinalize(); return ierr; }