1*c4762a1bSJed Brown static char help[] = "Tests DMDACreate3d() memory usage\n\n"; 2*c4762a1bSJed Brown 3*c4762a1bSJed Brown #include <petscdmda.h> 4*c4762a1bSJed Brown 5*c4762a1bSJed Brown 6*c4762a1bSJed Brown int main(int argc,char **argv) 7*c4762a1bSJed Brown { 8*c4762a1bSJed Brown DM dm; 9*c4762a1bSJed Brown Vec X,Y; 10*c4762a1bSJed Brown PetscErrorCode ierr; 11*c4762a1bSJed Brown PetscInt dof = 10; 12*c4762a1bSJed Brown 13*c4762a1bSJed Brown ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 14*c4762a1bSJed Brown ierr = PetscOptionsGetInt(NULL,NULL,"-dof",&dof,NULL);CHKERRQ(ierr); 15*c4762a1bSJed Brown ierr = 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(ierr); 16*c4762a1bSJed Brown ierr = DMSetFromOptions(dm);CHKERRQ(ierr); 17*c4762a1bSJed Brown ierr = DMSetUp(dm);CHKERRQ(ierr); 18*c4762a1bSJed Brown ierr = PetscMemoryTrace("DMDACreate3d ");CHKERRQ(ierr); 19*c4762a1bSJed Brown 20*c4762a1bSJed Brown ierr = DMCreateGlobalVector(dm,&X);CHKERRQ(ierr); 21*c4762a1bSJed Brown ierr = PetscMemoryTrace("DMCreateGlobalVector"); 22*c4762a1bSJed Brown ierr = DMCreateGlobalVector(dm,&Y);CHKERRQ(ierr); 23*c4762a1bSJed Brown ierr = PetscMemoryTrace("DMCreateGlobalVector");CHKERRQ(ierr); 24*c4762a1bSJed Brown 25*c4762a1bSJed Brown ierr = VecDestroy(&X);CHKERRQ(ierr); 26*c4762a1bSJed Brown ierr = VecDestroy(&Y);CHKERRQ(ierr); 27*c4762a1bSJed Brown ierr = DMDestroy(&dm);CHKERRQ(ierr); 28*c4762a1bSJed Brown ierr = PetscFinalize(); 29*c4762a1bSJed Brown return ierr; 30*c4762a1bSJed Brown } 31*c4762a1bSJed Brown 32