1*c4762a1bSJed Brown /* 2*c4762a1bSJed Brown Created by Huy Vo on 12/3/18. 3*c4762a1bSJed Brown */ 4*c4762a1bSJed Brown static char help[] = "Test memory scalable AO.\n\n"; 5*c4762a1bSJed Brown 6*c4762a1bSJed Brown #include<petsc.h> 7*c4762a1bSJed Brown #include<petscvec.h> 8*c4762a1bSJed Brown #include<petscmat.h> 9*c4762a1bSJed Brown #include<petscao.h> 10*c4762a1bSJed Brown 11*c4762a1bSJed Brown int main(int argc, char *argv[]) 12*c4762a1bSJed Brown { 13*c4762a1bSJed Brown PetscInt ierr; 14*c4762a1bSJed Brown PetscInt n_global = 16; 15*c4762a1bSJed Brown MPI_Comm comm; 16*c4762a1bSJed Brown PetscLayout layout; 17*c4762a1bSJed Brown PetscInt local_size; 18*c4762a1bSJed Brown PetscInt start, end; 19*c4762a1bSJed Brown PetscMPIInt rank; 20*c4762a1bSJed Brown PetscInt *app_indices,*petsc_indices,*ia,*ia0; 21*c4762a1bSJed Brown PetscInt i; 22*c4762a1bSJed Brown AO app2petsc; 23*c4762a1bSJed Brown IS app_is, petsc_is; 24*c4762a1bSJed Brown const PetscInt n_loc = 8; 25*c4762a1bSJed Brown 26*c4762a1bSJed Brown ierr = PetscInitialize(&argc, &argv, (char *) 0, help); if (ierr) return ierr; 27*c4762a1bSJed Brown comm = PETSC_COMM_WORLD; 28*c4762a1bSJed Brown ierr = MPI_Comm_rank(comm, &rank);CHKERRQ(ierr); 29*c4762a1bSJed Brown 30*c4762a1bSJed Brown ierr = PetscLayoutCreate(comm, &layout);CHKERRQ(ierr); 31*c4762a1bSJed Brown ierr = PetscLayoutSetSize(layout, n_global);CHKERRQ(ierr); 32*c4762a1bSJed Brown ierr = PetscLayoutSetLocalSize(layout, PETSC_DECIDE);CHKERRQ(ierr); 33*c4762a1bSJed Brown ierr = PetscLayoutSetUp(layout);CHKERRQ(ierr); 34*c4762a1bSJed Brown ierr = PetscLayoutGetLocalSize(layout, &local_size);CHKERRQ(ierr); 35*c4762a1bSJed Brown ierr = PetscLayoutGetRange(layout, &start, &end);CHKERRQ(ierr); 36*c4762a1bSJed Brown 37*c4762a1bSJed Brown ierr = PetscMalloc1(local_size,&app_indices);CHKERRQ(ierr); 38*c4762a1bSJed Brown ierr = PetscMalloc1(local_size,&petsc_indices);CHKERRQ(ierr); 39*c4762a1bSJed Brown /* Add values for local indices for usual states */ 40*c4762a1bSJed Brown for (i = 0; i < local_size; ++i) { 41*c4762a1bSJed Brown app_indices[i] = start + i; 42*c4762a1bSJed Brown petsc_indices[i] = end -1 - i; 43*c4762a1bSJed Brown } 44*c4762a1bSJed Brown 45*c4762a1bSJed Brown /* Create the AO object that maps from lexicographic ordering to Petsc Vec ordering */ 46*c4762a1bSJed Brown ierr = ISCreateGeneral(comm, local_size, &app_indices[0], PETSC_COPY_VALUES, &app_is);CHKERRQ(ierr); 47*c4762a1bSJed Brown ierr = ISCreateGeneral(comm, local_size, &petsc_indices[0], PETSC_COPY_VALUES, &petsc_is);CHKERRQ(ierr); 48*c4762a1bSJed Brown ierr = AOCreate(comm, &app2petsc);CHKERRQ(ierr); 49*c4762a1bSJed Brown ierr = AOSetIS(app2petsc, app_is, petsc_is);CHKERRQ(ierr); 50*c4762a1bSJed Brown ierr = AOSetType(app2petsc, AOMEMORYSCALABLE);CHKERRQ(ierr); 51*c4762a1bSJed Brown ierr = AOSetFromOptions(app2petsc);CHKERRQ(ierr); 52*c4762a1bSJed Brown ierr = ISDestroy(&app_is);CHKERRQ(ierr); 53*c4762a1bSJed Brown ierr = ISDestroy(&petsc_is);CHKERRQ(ierr); 54*c4762a1bSJed Brown ierr = AOView(app2petsc, PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); 55*c4762a1bSJed Brown 56*c4762a1bSJed Brown /* Test AOApplicationToPetsc */ 57*c4762a1bSJed Brown ierr = PetscMalloc1(n_loc,&ia);CHKERRQ(ierr); 58*c4762a1bSJed Brown ierr = PetscMalloc1(n_loc,&ia0);CHKERRQ(ierr); 59*c4762a1bSJed Brown if (!rank) { 60*c4762a1bSJed Brown ia[0] = 0; 61*c4762a1bSJed Brown ia[1] = -1; 62*c4762a1bSJed Brown ia[2] = 1; 63*c4762a1bSJed Brown ia[3] = 2; 64*c4762a1bSJed Brown ia[4] = -1; 65*c4762a1bSJed Brown ia[5] = 4; 66*c4762a1bSJed Brown ia[6] = 5; 67*c4762a1bSJed Brown ia[7] = 6; 68*c4762a1bSJed Brown } else { 69*c4762a1bSJed Brown ia[0] = -1; 70*c4762a1bSJed Brown ia[1] = 8; 71*c4762a1bSJed Brown ia[2] = 9; 72*c4762a1bSJed Brown ia[3] = 10; 73*c4762a1bSJed Brown ia[4] = -1; 74*c4762a1bSJed Brown ia[5] = 12; 75*c4762a1bSJed Brown ia[6] = 13; 76*c4762a1bSJed Brown ia[7] = 14; 77*c4762a1bSJed Brown } 78*c4762a1bSJed Brown ierr = PetscArraycpy(ia0,ia,n_loc);CHKERRQ(ierr); 79*c4762a1bSJed Brown 80*c4762a1bSJed Brown ierr = AOApplicationToPetsc(app2petsc, n_loc, ia);CHKERRQ(ierr); 81*c4762a1bSJed Brown 82*c4762a1bSJed Brown for (i=0; i<n_loc; ++i) { 83*c4762a1bSJed Brown ierr = PetscSynchronizedPrintf(PETSC_COMM_WORLD,"proc = %d : %D -> %D \n", rank, ia0[i], ia[i]);CHKERRQ(ierr); 84*c4762a1bSJed Brown } 85*c4762a1bSJed Brown ierr = PetscSynchronizedFlush(PETSC_COMM_WORLD,PETSC_STDOUT);CHKERRQ(ierr); 86*c4762a1bSJed Brown ierr = AODestroy(&app2petsc);CHKERRQ(ierr); 87*c4762a1bSJed Brown ierr = PetscLayoutDestroy(&layout);CHKERRQ(ierr); 88*c4762a1bSJed Brown ierr = PetscFree(app_indices);CHKERRQ(ierr); 89*c4762a1bSJed Brown ierr = PetscFree(petsc_indices);CHKERRQ(ierr); 90*c4762a1bSJed Brown ierr = PetscFree(ia);CHKERRQ(ierr); 91*c4762a1bSJed Brown ierr = PetscFree(ia0);CHKERRQ(ierr); 92*c4762a1bSJed Brown ierr = PetscFinalize(); 93*c4762a1bSJed Brown return ierr; 94*c4762a1bSJed Brown } 95*c4762a1bSJed Brown 96*c4762a1bSJed Brown /*TEST 97*c4762a1bSJed Brown 98*c4762a1bSJed Brown test: 99*c4762a1bSJed Brown nsize: 2 100*c4762a1bSJed Brown 101*c4762a1bSJed Brown TEST*/ 102