1*2e1d0745SJose E. Roman /* TODO change to 2*2e1d0745SJose E. Roman #include <../src/mat/impls/dense/seq/dense.h> 3*2e1d0745SJose E. Roman */ 4*2e1d0745SJose E. Roman #include <../src/mat/impls/dense/mpi/mpidense.h> 5*2e1d0745SJose E. Roman #include <petsc/private/isimpl.h> 6*2e1d0745SJose E. Roman #include <petsc/private/vecimpl.h> 7*2e1d0745SJose E. Roman #include <petsc/private/viewerhdf5impl.h> 8*2e1d0745SJose E. Roman #include <petsclayouthdf5.h> 9*2e1d0745SJose E. Roman 10*2e1d0745SJose E. Roman PetscErrorCode MatLoad_Dense_HDF5(Mat mat, PetscViewer viewer) 11*2e1d0745SJose E. Roman { 12*2e1d0745SJose E. Roman PetscViewer_HDF5 *hdf5; 13*2e1d0745SJose E. Roman hid_t scalartype; /* scalar type (H5T_NATIVE_FLOAT or H5T_NATIVE_DOUBLE) */ 14*2e1d0745SJose E. Roman PetscLayout vmap; 15*2e1d0745SJose E. Roman PetscViewerFormat format; 16*2e1d0745SJose E. Roman PetscScalar *a = NULL; 17*2e1d0745SJose E. Roman const char *mat_name = NULL; 18*2e1d0745SJose E. Roman MPI_Comm comm; 19*2e1d0745SJose E. Roman PetscMPIInt rank, size; 20*2e1d0745SJose E. Roman 21*2e1d0745SJose E. Roman PetscFunctionBegin; 22*2e1d0745SJose E. Roman PetscCall(PetscViewerGetFormat(viewer, &format)); 23*2e1d0745SJose E. Roman switch (format) { 24*2e1d0745SJose E. Roman case PETSC_VIEWER_HDF5_PETSC: 25*2e1d0745SJose E. Roman case PETSC_VIEWER_DEFAULT: 26*2e1d0745SJose E. Roman case PETSC_VIEWER_NATIVE: 27*2e1d0745SJose E. Roman case PETSC_VIEWER_HDF5_MAT: 28*2e1d0745SJose E. Roman break; 29*2e1d0745SJose E. Roman default: 30*2e1d0745SJose E. Roman SETERRQ(PetscObjectComm((PetscObject)mat), PETSC_ERR_SUP, "PetscViewerFormat %s not supported for HDF5 input.", PetscViewerFormats[format]); 31*2e1d0745SJose E. Roman } 32*2e1d0745SJose E. Roman hdf5 = (PetscViewer_HDF5 *)viewer->data; 33*2e1d0745SJose E. Roman /* we store dense matrix columns as blocks, like MATLAB save(filename,variables,'-v7.3') does */ 34*2e1d0745SJose E. Roman hdf5->horizontal = PETSC_TRUE; 35*2e1d0745SJose E. Roman 36*2e1d0745SJose E. Roman PetscCheck(((PetscObject)mat)->name, PetscObjectComm((PetscObject)mat), PETSC_ERR_SUP, "Mat name must be set with PetscObjectSetName() before MatLoad()"); 37*2e1d0745SJose E. Roman #if defined(PETSC_USE_REAL_SINGLE) 38*2e1d0745SJose E. Roman scalartype = H5T_NATIVE_FLOAT; 39*2e1d0745SJose E. Roman #elif defined(PETSC_USE_REAL___FLOAT128) 40*2e1d0745SJose E. Roman #error "HDF5 output with 128 bit floats not supported." 41*2e1d0745SJose E. Roman #elif defined(PETSC_USE_REAL___FP16) 42*2e1d0745SJose E. Roman #error "HDF5 output with 16 bit floats not supported." 43*2e1d0745SJose E. Roman #else 44*2e1d0745SJose E. Roman scalartype = H5T_NATIVE_DOUBLE; 45*2e1d0745SJose E. Roman #endif 46*2e1d0745SJose E. Roman 47*2e1d0745SJose E. Roman PetscCall(PetscObjectGetComm((PetscObject)mat, &comm)); 48*2e1d0745SJose E. Roman PetscCallMPI(MPI_Comm_rank(comm, &rank)); 49*2e1d0745SJose E. Roman PetscCallMPI(MPI_Comm_size(comm, &size)); 50*2e1d0745SJose E. Roman PetscCall(PetscObjectGetName((PetscObject)mat, &mat_name)); 51*2e1d0745SJose E. Roman 52*2e1d0745SJose E. Roman /* Convert user-defined rmap and cmap to the dataset layout */ 53*2e1d0745SJose E. Roman PetscCall(PetscLayoutCreate(PetscObjectComm((PetscObject)mat), &vmap)); 54*2e1d0745SJose E. Roman if (mat->rmap->n >= 0 && mat->cmap->N < 0) { 55*2e1d0745SJose E. Roman /* We need to know mat->cmap->N if user specifies custom mat->rmap->n, otherwise the latter would get ignored below */ 56*2e1d0745SJose E. Roman PetscCall(PetscViewerHDF5ReadSizes(viewer, mat_name, &mat->cmap->N, NULL)); 57*2e1d0745SJose E. Roman } 58*2e1d0745SJose E. Roman vmap->bs = mat->cmap->N; 59*2e1d0745SJose E. Roman vmap->n = (mat->rmap->n < 0 || mat->cmap->N < 0) ? -1 : mat->rmap->n * mat->cmap->N; 60*2e1d0745SJose E. Roman vmap->N = (mat->rmap->N < 0 || mat->cmap->N < 0) ? -1 : mat->rmap->N * mat->cmap->N; 61*2e1d0745SJose E. Roman 62*2e1d0745SJose E. Roman /* Read the dataset and setup its layout */ 63*2e1d0745SJose E. Roman /* Note: PetscViewerHDF5ReadSizes_Private takes into account that the dataset is transposed for MATLAB MAT files */ 64*2e1d0745SJose E. Roman PetscCall(PetscViewerHDF5Load(viewer, mat_name, vmap, scalartype, (void **)&a)); 65*2e1d0745SJose E. Roman 66*2e1d0745SJose E. Roman /* Convert the dataset layout back to rmap and cmap */ 67*2e1d0745SJose E. Roman mat->cmap->N = vmap->bs; 68*2e1d0745SJose E. Roman mat->rmap->n = vmap->n / mat->cmap->N; 69*2e1d0745SJose E. Roman mat->rmap->N = vmap->N / mat->cmap->N; 70*2e1d0745SJose E. Roman PetscCall(PetscLayoutSetUp(mat->rmap)); 71*2e1d0745SJose E. Roman PetscCall(PetscLayoutSetUp(mat->cmap)); 72*2e1d0745SJose E. Roman PetscCall(PetscLayoutDestroy(&vmap)); 73*2e1d0745SJose E. Roman 74*2e1d0745SJose E. Roman /* TODO adding PetscCopyMode flag to MatSeqDenseSetPreallocation would make this code cleaner and simpler */ 75*2e1d0745SJose E. Roman { 76*2e1d0745SJose E. Roman PetscBool flg; 77*2e1d0745SJose E. Roman Mat_SeqDense *impl; 78*2e1d0745SJose E. Roman PetscCall(PetscObjectTypeCompare((PetscObject)mat, MATSEQDENSE, &flg)); 79*2e1d0745SJose E. Roman if (flg) { 80*2e1d0745SJose E. Roman impl = (Mat_SeqDense *)mat->data; 81*2e1d0745SJose E. Roman PetscCall(MatSeqDenseSetPreallocation(mat, a)); 82*2e1d0745SJose E. Roman } else { 83*2e1d0745SJose E. Roman Mat_MPIDense *implm = (Mat_MPIDense *)mat->data; 84*2e1d0745SJose E. Roman PetscCall(MatMPIDenseSetPreallocation(mat, a)); 85*2e1d0745SJose E. Roman impl = (Mat_SeqDense *)implm->A->data; 86*2e1d0745SJose E. Roman } 87*2e1d0745SJose E. Roman impl->user_alloc = PETSC_FALSE; 88*2e1d0745SJose E. Roman } 89*2e1d0745SJose E. Roman 90*2e1d0745SJose E. Roman PetscCall(MatAssemblyBegin(mat, MAT_FINAL_ASSEMBLY)); 91*2e1d0745SJose E. Roman PetscCall(MatAssemblyEnd(mat, MAT_FINAL_ASSEMBLY)); 92*2e1d0745SJose E. Roman PetscFunctionReturn(PETSC_SUCCESS); 93*2e1d0745SJose E. Roman } 94