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 CeedBasisDestroy(&data->basis_c_to_f); 26 CeedOperatorDestroy(&data->op_restrict); 27 } 28 ierr = PetscFree(data); CHKERRQ(ierr); 29 30 PetscFunctionReturn(0); 31 }; 32 33 // ----------------------------------------------------------------------------- 34 // Set up libCEED for a given degree 35 // ----------------------------------------------------------------------------- 36 PetscErrorCode SetupLibceedByDegree(DM dm, Ceed ceed, CeedInt degree, 37 CeedInt topo_dim, CeedInt q_extra, 38 PetscInt num_comp_x, PetscInt num_comp_u, 39 PetscInt g_size, PetscInt xl_size, 40 BPData bp_data, CeedData data, 41 PetscBool setup_rhs, CeedVector rhs_ceed, 42 CeedVector *target) { 43 int ierr; 44 DM dm_coord; 45 Vec coords; 46 const PetscScalar *coord_array; 47 CeedBasis basis_x, basis_u; 48 CeedElemRestriction elem_restr_x, elem_restr_u, elem_restr_u_i, elem_restr_qd_i; 49 CeedQFunction qf_setup_geo, qf_apply; 50 CeedOperator op_setup_geo, op_apply; 51 CeedVector x_coord, q_data, x_ceed, y_ceed; 52 CeedInt num_qpts, c_start, c_end, num_elem, 53 q_data_size = bp_data.q_data_size; 54 CeedScalar R = 1, // radius of the sphere 55 l = 1.0/PetscSqrtReal(3.0); // half edge of the inscribed cube 56 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 ierr = DMGetCoordinateDM(dm, &dm_coord); CHKERRQ(ierr); 79 80 // CEED bases 81 ierr = CreateBasisFromPlex(ceed, dm_coord, 0, 0, 0, 0, &basis_x); CHKERRQ(ierr); 82 ierr = CreateBasisFromPlex(ceed, dm, 0, 0, 0, 0, &basis_u); CHKERRQ(ierr); 83 84 // CEED restrictions 85 ierr = DMPlexSetClosurePermutationTensor(dm_coord, PETSC_DETERMINE, NULL); 86 CHKERRQ(ierr); 87 ierr = CreateRestrictionFromPlex(ceed, dm_coord, 0, 0, 0, &elem_restr_x); 88 CHKERRQ(ierr); 89 ierr = CreateRestrictionFromPlex(ceed, dm, 0, 0, 0, &elem_restr_u); 90 CHKERRQ(ierr); 91 92 ierr = DMPlexGetHeightStratum(dm, 0, &c_start, &c_end); CHKERRQ(ierr); 93 num_elem = c_end - c_start; 94 CeedBasisGetNumQuadraturePoints(basis_u, &num_qpts); 95 96 CeedElemRestrictionCreateStrided(ceed, num_elem, num_qpts, num_comp_u, 97 num_comp_u*num_elem*num_qpts, 98 CEED_STRIDES_BACKEND, &elem_restr_u_i); 99 CeedElemRestrictionCreateStrided(ceed, num_elem, num_qpts, q_data_size, 100 q_data_size*num_elem*num_qpts, 101 CEED_STRIDES_BACKEND, &elem_restr_qd_i); 102 103 // Element coordinates 104 ierr = DMGetCoordinatesLocal(dm, &coords); CHKERRQ(ierr); 105 ierr = VecGetArrayRead(coords, &coord_array); CHKERRQ(ierr); 106 107 CeedElemRestrictionCreateVector(elem_restr_x, &x_coord, NULL); 108 CeedVectorSetArray(x_coord, CEED_MEM_HOST, CEED_COPY_VALUES, 109 (PetscScalar *)coord_array); 110 ierr = VecRestoreArrayRead(coords, &coord_array); 111 112 // Create the persistent vectors that will be needed in setup and apply 113 CeedVectorCreate(ceed, q_data_size*num_elem*num_qpts, &q_data); 114 CeedVectorCreate(ceed, xl_size, &x_ceed); 115 CeedVectorCreate(ceed, xl_size, &y_ceed); 116 117 // Create the QFunction that builds the context data 118 CeedQFunctionCreateInterior(ceed, 1, bp_data.setup_geo, bp_data.setup_geo_loc, 119 &qf_setup_geo); 120 CeedQFunctionAddInput(qf_setup_geo, "x", num_comp_x, CEED_EVAL_INTERP); 121 CeedQFunctionAddInput(qf_setup_geo, "dx", num_comp_x*topo_dim, CEED_EVAL_GRAD); 122 CeedQFunctionAddInput(qf_setup_geo, "weight", 1, CEED_EVAL_WEIGHT); 123 CeedQFunctionAddOutput(qf_setup_geo, "qdata", q_data_size, CEED_EVAL_NONE); 124 125 // Create the operator that builds the quadrature data 126 CeedOperatorCreate(ceed, qf_setup_geo, NULL, NULL, &op_setup_geo); 127 CeedOperatorSetField(op_setup_geo, "x", elem_restr_x, basis_x, 128 CEED_VECTOR_ACTIVE); 129 CeedOperatorSetField(op_setup_geo, "dx", elem_restr_x, basis_x, 130 CEED_VECTOR_ACTIVE); 131 CeedOperatorSetField(op_setup_geo, "weight", CEED_ELEMRESTRICTION_NONE, basis_x, 132 CEED_VECTOR_NONE); 133 CeedOperatorSetField(op_setup_geo, "qdata", elem_restr_qd_i, 134 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 135 136 // Setup q_data 137 CeedOperatorApply(op_setup_geo, x_coord, q_data, CEED_REQUEST_IMMEDIATE); 138 139 // Set up PDE operator 140 CeedInt in_scale = bp_data.in_mode == CEED_EVAL_GRAD ? topo_dim : 1; 141 CeedInt out_scale = bp_data.out_mode == CEED_EVAL_GRAD ? topo_dim : 1; 142 CeedQFunctionCreateInterior(ceed, 1, bp_data.apply, bp_data.apply_loc, 143 &qf_apply); 144 CeedQFunctionAddInput(qf_apply, "u", num_comp_u*in_scale, bp_data.in_mode); 145 CeedQFunctionAddInput(qf_apply, "qdata", q_data_size, CEED_EVAL_NONE); 146 CeedQFunctionAddOutput(qf_apply, "v", num_comp_u*out_scale, bp_data.out_mode); 147 148 // Create the mass or diff operator 149 CeedOperatorCreate(ceed, qf_apply, NULL, NULL, &op_apply); 150 CeedOperatorSetField(op_apply, "u", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 151 CeedOperatorSetField(op_apply, "qdata", elem_restr_qd_i, CEED_BASIS_COLLOCATED, 152 q_data); 153 CeedOperatorSetField(op_apply, "v", elem_restr_u, basis_u, CEED_VECTOR_ACTIVE); 154 155 // Set up RHS if needed 156 if (setup_rhs) { 157 CeedQFunction qf_setup_rhs; 158 CeedOperator op_setup_rhs; 159 CeedVectorCreate(ceed, num_elem*num_qpts*num_comp_u, target); 160 161 // Create the q-function that sets up the RHS and true solution 162 CeedQFunctionCreateInterior(ceed, 1, bp_data.setup_rhs, bp_data.setup_rhs_loc, 163 &qf_setup_rhs); 164 CeedQFunctionAddInput(qf_setup_rhs, "x", num_comp_x, CEED_EVAL_INTERP); 165 CeedQFunctionAddInput(qf_setup_rhs, "qdata", q_data_size, CEED_EVAL_NONE); 166 CeedQFunctionAddOutput(qf_setup_rhs, "true solution", num_comp_u, 167 CEED_EVAL_NONE); 168 CeedQFunctionAddOutput(qf_setup_rhs, "rhs", num_comp_u, CEED_EVAL_INTERP); 169 170 // Create the operator that builds the RHS and true solution 171 CeedOperatorCreate(ceed, qf_setup_rhs, NULL, NULL, &op_setup_rhs); 172 CeedOperatorSetField(op_setup_rhs, "x", elem_restr_x, basis_x, 173 CEED_VECTOR_ACTIVE); 174 CeedOperatorSetField(op_setup_rhs, "qdata", elem_restr_qd_i, 175 CEED_BASIS_COLLOCATED, q_data); 176 CeedOperatorSetField(op_setup_rhs, "true solution", elem_restr_u_i, 177 CEED_BASIS_COLLOCATED, *target); 178 CeedOperatorSetField(op_setup_rhs, "rhs", elem_restr_u, basis_u, 179 CEED_VECTOR_ACTIVE); 180 181 // Set up the libCEED context 182 CeedQFunctionContext ctx_rhs_setup; 183 CeedQFunctionContextCreate(ceed, &ctx_rhs_setup); 184 CeedScalar rhs_setup_data[2] = {R, l}; 185 CeedQFunctionContextSetData(ctx_rhs_setup, CEED_MEM_HOST, CEED_COPY_VALUES, 186 sizeof rhs_setup_data, &rhs_setup_data); 187 CeedQFunctionSetContext(qf_setup_rhs, ctx_rhs_setup); 188 CeedQFunctionContextDestroy(&ctx_rhs_setup); 189 190 // Setup RHS and target 191 CeedOperatorApply(op_setup_rhs, x_coord, rhs_ceed, CEED_REQUEST_IMMEDIATE); 192 193 // Cleanup 194 CeedQFunctionDestroy(&qf_setup_rhs); 195 CeedOperatorDestroy(&op_setup_rhs); 196 } 197 198 // Cleanup 199 CeedQFunctionDestroy(&qf_setup_geo); 200 CeedOperatorDestroy(&op_setup_geo); 201 CeedVectorDestroy(&x_coord); 202 203 // Save libCEED data required for level 204 data->basis_x = basis_x; data->basis_u = basis_u; 205 data->elem_restr_x = elem_restr_x; 206 data->elem_restr_u = elem_restr_u; 207 data->elem_restr_u_i = elem_restr_u_i; 208 data->elem_restr_qd_i = elem_restr_qd_i; 209 data->qf_apply = qf_apply; 210 data->op_apply = op_apply; 211 data->q_data = q_data; 212 data->x_ceed = x_ceed; 213 data->y_ceed = y_ceed; 214 215 PetscFunctionReturn(0); 216 }; 217 218 // ----------------------------------------------------------------------------- 219 // Setup libCEED level transfer operator objects 220 // ----------------------------------------------------------------------------- 221 PetscErrorCode CeedLevelTransferSetup(Ceed ceed, CeedInt num_levels, 222 CeedInt num_comp_u, CeedData *data, 223 CeedInt *level_degrees, 224 CeedQFunction qf_restrict, CeedQFunction qf_prolong) { 225 PetscFunctionBeginUser; 226 // Return early if num_levels=1 227 if (num_levels == 1) 228 PetscFunctionReturn(0); 229 230 // Set up each level 231 for (CeedInt i=1; i<num_levels; i++) { 232 // P coarse and P fine 233 CeedInt Pc = level_degrees[i-1] + 1; 234 CeedInt Pf = level_degrees[i] + 1; 235 236 // Restriction - Fine to corse 237 CeedBasis basis_c_to_f; 238 CeedOperator op_restrict; 239 240 // Basis 241 CeedBasisCreateTensorH1Lagrange(ceed, 3, num_comp_u, Pc, Pf, 242 CEED_GAUSS_LOBATTO, &basis_c_to_f); 243 244 // Create the restriction operator 245 CeedOperatorCreate(ceed, qf_restrict, CEED_QFUNCTION_NONE, 246 CEED_QFUNCTION_NONE, &op_restrict); 247 CeedOperatorSetField(op_restrict, "input", data[i]->elem_restr_u, 248 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 249 CeedOperatorSetField(op_restrict, "output", data[i-1]->elem_restr_u, 250 basis_c_to_f, CEED_VECTOR_ACTIVE); 251 252 // Save libCEED data required for level 253 data[i]->basis_c_to_f = basis_c_to_f; 254 data[i]->op_restrict = op_restrict; 255 256 // Interpolation - Corse to fine 257 CeedOperator op_prolong; 258 259 // Create the prolongation operator 260 CeedOperatorCreate(ceed, qf_prolong, CEED_QFUNCTION_NONE, 261 CEED_QFUNCTION_NONE, &op_prolong); 262 CeedOperatorSetField(op_prolong, "input", data[i-1]->elem_restr_u, 263 basis_c_to_f, CEED_VECTOR_ACTIVE); 264 CeedOperatorSetField(op_prolong, "output", data[i]->elem_restr_u, 265 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 266 267 // Save libCEED data required for level 268 data[i]->op_prolong = op_prolong; 269 } 270 271 PetscFunctionReturn(0); 272 }; 273 274 // ----------------------------------------------------------------------------- 275