1c4762a1bSJed Brown /* 2c4762a1bSJed Brown Created by Huy Vo on 12/3/18. 3c4762a1bSJed Brown */ 4c4762a1bSJed Brown static char help[] = "Test memory scalable AO.\n\n"; 5c4762a1bSJed Brown 6c4762a1bSJed Brown #include <petsc.h> 7c4762a1bSJed Brown #include <petscvec.h> 8c4762a1bSJed Brown #include <petscmat.h> 9c4762a1bSJed Brown #include <petscao.h> 10c4762a1bSJed Brown 11d71ae5a4SJacob Faibussowitsch int main(int argc, char *argv[]) 12d71ae5a4SJacob Faibussowitsch { 13c4762a1bSJed Brown PetscInt n_global = 16; 14c4762a1bSJed Brown MPI_Comm comm; 15c4762a1bSJed Brown PetscLayout layout; 16c4762a1bSJed Brown PetscInt local_size; 17c4762a1bSJed Brown PetscInt start, end; 18c4762a1bSJed Brown PetscMPIInt rank; 19c4762a1bSJed Brown PetscInt *app_indices, *petsc_indices, *ia, *ia0; 20c4762a1bSJed Brown PetscInt i; 21c4762a1bSJed Brown AO app2petsc; 22c4762a1bSJed Brown IS app_is, petsc_is; 23c4762a1bSJed Brown const PetscInt n_loc = 8; 24c4762a1bSJed Brown 25327415f7SBarry Smith PetscFunctionBeginUser; 26c8025a54SPierre Jolivet PetscCall(PetscInitialize(&argc, &argv, NULL, help)); 27c4762a1bSJed Brown comm = PETSC_COMM_WORLD; 289566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_rank(comm, &rank)); 29c4762a1bSJed Brown 309566063dSJacob Faibussowitsch PetscCall(PetscLayoutCreate(comm, &layout)); 319566063dSJacob Faibussowitsch PetscCall(PetscLayoutSetSize(layout, n_global)); 329566063dSJacob Faibussowitsch PetscCall(PetscLayoutSetLocalSize(layout, PETSC_DECIDE)); 339566063dSJacob Faibussowitsch PetscCall(PetscLayoutSetUp(layout)); 349566063dSJacob Faibussowitsch PetscCall(PetscLayoutGetLocalSize(layout, &local_size)); 359566063dSJacob Faibussowitsch PetscCall(PetscLayoutGetRange(layout, &start, &end)); 36c4762a1bSJed Brown 379566063dSJacob Faibussowitsch PetscCall(PetscMalloc1(local_size, &app_indices)); 389566063dSJacob Faibussowitsch PetscCall(PetscMalloc1(local_size, &petsc_indices)); 39c4762a1bSJed Brown /* Add values for local indices for usual states */ 40c4762a1bSJed Brown for (i = 0; i < local_size; ++i) { 41c4762a1bSJed Brown app_indices[i] = start + i; 42c4762a1bSJed Brown petsc_indices[i] = end - 1 - i; 43c4762a1bSJed Brown } 44c4762a1bSJed Brown 45*f0b74427SPierre Jolivet /* Create the AO object that maps from lexicographic ordering to PETSc Vec ordering */ 469566063dSJacob Faibussowitsch PetscCall(ISCreateGeneral(comm, local_size, &app_indices[0], PETSC_COPY_VALUES, &app_is)); 479566063dSJacob Faibussowitsch PetscCall(ISCreateGeneral(comm, local_size, &petsc_indices[0], PETSC_COPY_VALUES, &petsc_is)); 489566063dSJacob Faibussowitsch PetscCall(AOCreate(comm, &app2petsc)); 499566063dSJacob Faibussowitsch PetscCall(AOSetIS(app2petsc, app_is, petsc_is)); 509566063dSJacob Faibussowitsch PetscCall(AOSetType(app2petsc, AOMEMORYSCALABLE)); 519566063dSJacob Faibussowitsch PetscCall(AOSetFromOptions(app2petsc)); 529566063dSJacob Faibussowitsch PetscCall(ISDestroy(&app_is)); 539566063dSJacob Faibussowitsch PetscCall(ISDestroy(&petsc_is)); 549566063dSJacob Faibussowitsch PetscCall(AOView(app2petsc, PETSC_VIEWER_STDOUT_WORLD)); 55c4762a1bSJed Brown 56c4762a1bSJed Brown /* Test AOApplicationToPetsc */ 579566063dSJacob Faibussowitsch PetscCall(PetscMalloc1(n_loc, &ia)); 589566063dSJacob Faibussowitsch PetscCall(PetscMalloc1(n_loc, &ia0)); 59dd400576SPatrick Sanan if (rank == 0) { 60c4762a1bSJed Brown ia[0] = 0; 61c4762a1bSJed Brown ia[1] = -1; 62c4762a1bSJed Brown ia[2] = 1; 63c4762a1bSJed Brown ia[3] = 2; 64c4762a1bSJed Brown ia[4] = -1; 65c4762a1bSJed Brown ia[5] = 4; 66c4762a1bSJed Brown ia[6] = 5; 67c4762a1bSJed Brown ia[7] = 6; 68c4762a1bSJed Brown } else { 69c4762a1bSJed Brown ia[0] = -1; 70c4762a1bSJed Brown ia[1] = 8; 71c4762a1bSJed Brown ia[2] = 9; 72c4762a1bSJed Brown ia[3] = 10; 73c4762a1bSJed Brown ia[4] = -1; 74c4762a1bSJed Brown ia[5] = 12; 75c4762a1bSJed Brown ia[6] = 13; 76c4762a1bSJed Brown ia[7] = 14; 77c4762a1bSJed Brown } 789566063dSJacob Faibussowitsch PetscCall(PetscArraycpy(ia0, ia, n_loc)); 79c4762a1bSJed Brown 809566063dSJacob Faibussowitsch PetscCall(AOApplicationToPetsc(app2petsc, n_loc, ia)); 81c4762a1bSJed Brown 8248a46eb9SPierre Jolivet for (i = 0; i < n_loc; ++i) PetscCall(PetscSynchronizedPrintf(PETSC_COMM_WORLD, "proc = %d : %" PetscInt_FMT " -> %" PetscInt_FMT " \n", rank, ia0[i], ia[i])); 839566063dSJacob Faibussowitsch PetscCall(PetscSynchronizedFlush(PETSC_COMM_WORLD, PETSC_STDOUT)); 849566063dSJacob Faibussowitsch PetscCall(AODestroy(&app2petsc)); 859566063dSJacob Faibussowitsch PetscCall(PetscLayoutDestroy(&layout)); 869566063dSJacob Faibussowitsch PetscCall(PetscFree(app_indices)); 879566063dSJacob Faibussowitsch PetscCall(PetscFree(petsc_indices)); 889566063dSJacob Faibussowitsch PetscCall(PetscFree(ia)); 899566063dSJacob Faibussowitsch PetscCall(PetscFree(ia0)); 909566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 91b122ec5aSJacob Faibussowitsch return 0; 92c4762a1bSJed Brown } 93c4762a1bSJed Brown 94c4762a1bSJed Brown /*TEST 95c4762a1bSJed Brown 96c4762a1bSJed Brown test: 97c4762a1bSJed Brown nsize: 2 98c4762a1bSJed Brown 99c4762a1bSJed Brown TEST*/ 100