1 #include <stdio.h> 2 #include "../include/libceedsetup.h" 3 #include "../include/petscutils.h" 4 5 // ----------------------------------------------------------------------------- 6 // Destroy libCEED operator objects 7 // ----------------------------------------------------------------------------- 8 PetscErrorCode CeedDataDestroy(CeedInt i, CeedData data) { 9 int ierr; 10 11 PetscFunctionBeginUser; 12 CeedVectorDestroy(&data->q_data); 13 CeedVectorDestroy(&data->x_ceed); 14 CeedVectorDestroy(&data->y_ceed); 15 CeedBasisDestroy(&data->basis_x); 16 CeedBasisDestroy(&data->basis_u); 17 CeedElemRestrictionDestroy(&data->elem_restr_u); 18 CeedElemRestrictionDestroy(&data->elem_restr_x); 19 CeedElemRestrictionDestroy(&data->elem_restr_u_i); 20 CeedElemRestrictionDestroy(&data->elem_restr_qd_i); 21 CeedQFunctionDestroy(&data->qf_apply); 22 CeedOperatorDestroy(&data->op_apply); 23 if (i > 0) { 24 CeedOperatorDestroy(&data->op_prolong); 25 CeedOperatorDestroy(&data->op_restrict); 26 } 27 ierr = PetscFree(data); CHKERRQ(ierr); 28 29 PetscFunctionReturn(0); 30 }; 31 32 // ----------------------------------------------------------------------------- 33 // Set up libCEED for a given degree 34 // ----------------------------------------------------------------------------- 35 PetscErrorCode SetupLibceedByDegree(DM dm, Ceed ceed, CeedInt degree, 36 CeedInt topo_dim, CeedInt q_extra, 37 PetscInt num_comp_x, PetscInt num_comp_u, 38 PetscInt g_size, PetscInt xl_size, 39 BPData bp_data, CeedData data, 40 PetscBool setup_rhs, CeedVector rhs_ceed, 41 CeedVector *target) { 42 int ierr; 43 DM dm_coord; 44 Vec coords; 45 const PetscScalar *coord_array; 46 CeedBasis basis_x, basis_u; 47 CeedElemRestriction elem_restr_x, elem_restr_u, elem_restr_u_i, elem_restr_qd_i; 48 CeedQFunction qf_setup_geo, qf_apply; 49 CeedOperator op_setup_geo, op_apply; 50 CeedVector x_coord, q_data, x_ceed, y_ceed; 51 CeedInt num_qpts, c_start, c_end, num_elem, 52 q_data_size = bp_data.q_data_size; 53 CeedScalar R = 1, // radius of the sphere 54 l = 1.0/PetscSqrtReal(3.0); // half edge of the inscribed cube 55 56 <<<<<<< HEAD 57 <<<<<<< HEAD 58 <<<<<<< HEAD 59 PetscFunctionBeginUser; 60 // CEED bases 61 P = degree + 1; 62 Q = P + q_extra; 63 CeedBasisCreateTensorH1Lagrange(ceed, topo_dim, num_comp_u, P, Q, 64 bp_data.q_mode, 65 &basis_u); 66 CeedBasisCreateTensorH1Lagrange(ceed, topo_dim, num_comp_x, 2, Q, 67 bp_data.q_mode, 68 &basis_x); 69 CeedBasisGetNumQuadraturePoints(basis_u, &num_qpts); 70 71 // CEED restrictions 72 ======= 73 >>>>>>> 158419b6 (example/petsc: added CreateBasisFromPlex and tested with tensor basis) 74 ierr = DMSetCoordinateDim(dm, topo_dim); CHKERRQ(ierr); 75 ======= 76 //ierr = DMSetCoordinateDim(dm, topo_dim); CHKERRQ(ierr); 77 >>>>>>> 0fa86f50 (example/petsc: Added CreateDistributedDM in petscutils.c and some cleanup) 78 ======= 79 >>>>>>> 3b5f1ce9 (Fixed the uncompatible restriction size.) 80 ierr = DMGetCoordinateDM(dm, &dm_coord); CHKERRQ(ierr); 81 82 // CEED bases 83 ierr = CreateBasisFromPlex(ceed, dm_coord, 0, 0, 0, 0, &basis_x); CHKERRQ(ierr); 84 ierr = CreateBasisFromPlex(ceed, dm, 0, 0, 0, 0, &basis_u); CHKERRQ(ierr); 85 86 // CEED restrictions 87 ierr = DMPlexSetClosurePermutationTensor(dm_coord, PETSC_DETERMINE, NULL); 88 CHKERRQ(ierr); 89 ierr = CreateRestrictionFromPlex(ceed, dm_coord, 0, 0, 0, &elem_restr_x); 90 CHKERRQ(ierr); 91 ierr = CreateRestrictionFromPlex(ceed, dm, 0, 0, 0, &elem_restr_u); 92 CHKERRQ(ierr); 93 94 ierr = DMPlexGetHeightStratum(dm, 0, &c_start, &c_end); CHKERRQ(ierr); 95 num_elem = c_end - c_start; 96 CeedBasisGetNumQuadraturePoints(basis_u, &num_qpts); 97 98 CeedElemRestrictionCreateStrided(ceed, num_elem, num_qpts, num_comp_u, 99 num_comp_u*num_elem*num_qpts, 100 CEED_STRIDES_BACKEND, &elem_restr_u_i); 101 CeedElemRestrictionCreateStrided(ceed, num_elem, num_qpts, q_data_size, 102 q_data_size*num_elem*num_qpts, 103 CEED_STRIDES_BACKEND, &elem_restr_qd_i); 104 105 // Element coordinates 106 ierr = DMGetCoordinatesLocal(dm, &coords); CHKERRQ(ierr); 107 ierr = VecGetArrayRead(coords, &coord_array); CHKERRQ(ierr); 108 109 CeedElemRestrictionCreateVector(elem_restr_x, &x_coord, NULL); 110 CeedVectorSetArray(x_coord, CEED_MEM_HOST, CEED_COPY_VALUES, 111 (PetscScalar *)coord_array); 112 ierr = VecRestoreArrayRead(coords, &coord_array); 113 114 // Create the persistent vectors that will be needed in setup and apply 115 CeedVectorCreate(ceed, q_data_size*num_elem*num_qpts, &q_data); 116 CeedVectorCreate(ceed, xl_size, &x_ceed); 117 CeedVectorCreate(ceed, xl_size, &y_ceed); 118 119 // Create the QFunction that builds the context data 120 CeedQFunctionCreateInterior(ceed, 1, bp_data.setup_geo, bp_data.setup_geo_loc, 121 &qf_setup_geo); 122 CeedQFunctionAddInput(qf_setup_geo, "x", num_comp_x, CEED_EVAL_INTERP); 123 CeedQFunctionAddInput(qf_setup_geo, "dx", num_comp_x*topo_dim, CEED_EVAL_GRAD); 124 CeedQFunctionAddInput(qf_setup_geo, "weight", 1, CEED_EVAL_WEIGHT); 125 CeedQFunctionAddOutput(qf_setup_geo, "qdata", q_data_size, CEED_EVAL_NONE); 126 127 // Create the operator that builds the quadrature data 128 CeedOperatorCreate(ceed, qf_setup_geo, NULL, NULL, &op_setup_geo); 129 CeedOperatorSetField(op_setup_geo, "x", elem_restr_x, basis_x, 130 CEED_VECTOR_ACTIVE); 131 CeedOperatorSetField(op_setup_geo, "dx", elem_restr_x, basis_x, 132 CEED_VECTOR_ACTIVE); 133 CeedOperatorSetField(op_setup_geo, "weight", CEED_ELEMRESTRICTION_NONE, basis_x, 134 CEED_VECTOR_NONE); 135 CeedOperatorSetField(op_setup_geo, "qdata", elem_restr_qd_i, 136 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 137 138 // Setup q_data 139 CeedOperatorApply(op_setup_geo, x_coord, q_data, CEED_REQUEST_IMMEDIATE); 140 141 // Set up PDE operator 142 CeedInt in_scale = bp_data.in_mode == CEED_EVAL_GRAD ? topo_dim : 1; 143 CeedInt out_scale = bp_data.out_mode == CEED_EVAL_GRAD ? topo_dim : 1; 144 CeedQFunctionCreateInterior(ceed, 1, bp_data.apply, bp_data.apply_loc, 145 &qf_apply); 146 CeedQFunctionAddInput(qf_apply, "u", num_comp_u*in_scale, bp_data.in_mode); 147 CeedQFunctionAddInput(qf_apply, "qdata", q_data_size, CEED_EVAL_NONE); 148 CeedQFunctionAddOutput(qf_apply, "v", num_comp_u*out_scale, bp_data.out_mode); 149 150 // Create the mass or diff operator 151 CeedOperatorCreate(ceed, qf_apply, NULL, NULL, &op_apply); 152 CeedOperatorSetField(op_apply, "u", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 153 CeedOperatorSetField(op_apply, "qdata", elem_restr_qd_i, CEED_BASIS_COLLOCATED, 154 q_data); 155 CeedOperatorSetField(op_apply, "v", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 156 157 // Set up RHS if needed 158 if (setup_rhs) { 159 CeedQFunction qf_setup_rhs; 160 CeedOperator op_setup_rhs; 161 CeedVectorCreate(ceed, num_elem*num_qpts*num_comp_u, target); 162 163 // Create the q-function that sets up the RHS and true solution 164 CeedQFunctionCreateInterior(ceed, 1, bp_data.setup_rhs, bp_data.setup_rhs_loc, 165 &qf_setup_rhs); 166 CeedQFunctionAddInput(qf_setup_rhs, "x", num_comp_x, CEED_EVAL_INTERP); 167 CeedQFunctionAddInput(qf_setup_rhs, "qdata", q_data_size, CEED_EVAL_NONE); 168 CeedQFunctionAddOutput(qf_setup_rhs, "true solution", num_comp_u, 169 CEED_EVAL_NONE); 170 CeedQFunctionAddOutput(qf_setup_rhs, "rhs", num_comp_u, CEED_EVAL_INTERP); 171 172 // Create the operator that builds the RHS and true solution 173 CeedOperatorCreate(ceed, qf_setup_rhs, NULL, NULL, &op_setup_rhs); 174 CeedOperatorSetField(op_setup_rhs, "x", elem_restr_x, basis_x, 175 CEED_VECTOR_ACTIVE); 176 CeedOperatorSetField(op_setup_rhs, "qdata", elem_restr_qd_i, 177 CEED_BASIS_COLLOCATED, q_data); 178 CeedOperatorSetField(op_setup_rhs, "true solution", elem_restr_u_i, 179 CEED_BASIS_COLLOCATED, *target); 180 CeedOperatorSetField(op_setup_rhs, "rhs", elem_restr_u, basis_u, 181 CEED_VECTOR_ACTIVE); 182 183 // Set up the libCEED context 184 CeedQFunctionContext ctx_rhs_setup; 185 CeedQFunctionContextCreate(ceed, &ctx_rhs_setup); 186 CeedScalar rhs_setup_data[2] = {R, l}; 187 CeedQFunctionContextSetData(ctx_rhs_setup, CEED_MEM_HOST, CEED_COPY_VALUES, 188 sizeof rhs_setup_data, &rhs_setup_data); 189 CeedQFunctionSetContext(qf_setup_rhs, ctx_rhs_setup); 190 CeedQFunctionContextDestroy(&ctx_rhs_setup); 191 192 // Setup RHS and target 193 CeedOperatorApply(op_setup_rhs, x_coord, rhs_ceed, CEED_REQUEST_IMMEDIATE); 194 195 // Cleanup 196 CeedQFunctionDestroy(&qf_setup_rhs); 197 CeedOperatorDestroy(&op_setup_rhs); 198 } 199 200 // Cleanup 201 CeedQFunctionDestroy(&qf_setup_geo); 202 CeedOperatorDestroy(&op_setup_geo); 203 CeedVectorDestroy(&x_coord); 204 205 // Save libCEED data required for level 206 data->basis_x = basis_x; data->basis_u = basis_u; 207 data->elem_restr_x = elem_restr_x; 208 data->elem_restr_u = elem_restr_u; 209 data->elem_restr_u_i = elem_restr_u_i; 210 data->elem_restr_qd_i = elem_restr_qd_i; 211 data->qf_apply = qf_apply; 212 data->op_apply = op_apply; 213 data->q_data = q_data; 214 data->x_ceed = x_ceed; 215 data->y_ceed = y_ceed; 216 217 PetscFunctionReturn(0); 218 }; 219 220 // ----------------------------------------------------------------------------- 221 // Setup libCEED level transfer operator objects 222 // ----------------------------------------------------------------------------- 223 PetscErrorCode CeedLevelTransferSetup(DM dm, Ceed ceed, CeedInt level, 224 CeedInt num_comp_u, CeedData *data, 225 <<<<<<< HEAD 226 CeedInt *level_degrees, 227 CeedQFunction qf_restrict, CeedQFunction qf_prolong) { 228 PetscFunctionBeginUser; 229 // Return early if num_levels=1 230 if (num_levels == 1) 231 PetscFunctionReturn(0); 232 ======= 233 Vec fine_mult) { 234 int ierr; 235 >>>>>>> 2e9bde68 (Used "CeedOperatorMultigridLevelCreate" to create multigrid operators) 236 237 // Restriction - Fine to corse 238 CeedOperator op_restrict; 239 // Interpolation - Corse to fine 240 CeedOperator op_prolong; 241 // Coarse grid operator 242 CeedOperator op_apply; 243 // Basis 244 CeedBasis basis_u; 245 ierr = CreateBasisFromPlex(ceed, dm, 0, 0, 0, 0, &basis_u); 246 CHKERRQ(ierr); 247 248 // --------------------------------------------------------------------------- 249 // Coarse Grid, Prolongation, and Restriction Operators 250 // --------------------------------------------------------------------------- 251 // Create the Operators that compute the prolongation and 252 // restriction between the p-multigrid levels and the coarse grid eval. 253 // --------------------------------------------------------------------------- 254 // Place in libCEED array 255 const PetscScalar *m; 256 PetscMemType m_mem_type; 257 ierr = VecGetArrayReadAndMemType(fine_mult, &m, &m_mem_type); 258 CHKERRQ(ierr); 259 CeedVectorSetArray(data[level]->x_ceed, MemTypeP2C(m_mem_type), 260 CEED_USE_POINTER, (CeedScalar *)m); 261 262 CeedOperatorMultigridLevelCreate(data[level]->op_apply, data[level]->x_ceed, 263 data[level-1]->elem_restr_u, basis_u, 264 &op_apply, &op_prolong, &op_restrict); 265 266 // Restore PETSc vector 267 CeedVectorTakeArray(data[level]->x_ceed, MemTypeP2C(m_mem_type), 268 (CeedScalar **)&m); 269 ierr = VecRestoreArrayReadAndMemType(fine_mult, &m); CHKERRQ(ierr); 270 ierr = VecZeroEntries(fine_mult); CHKERRQ(ierr); 271 // -- Save libCEED data 272 data[level-1]->op_apply = op_apply; 273 data[level]->op_prolong = op_prolong; 274 data[level]->op_restrict = op_restrict; 275 276 CeedBasisDestroy(&basis_u); 277 PetscFunctionReturn(0); 278 }; 279 280 // ----------------------------------------------------------------------------- 281