1 // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3 // 4 // SPDX-License-Identifier: BSD-2-Clause 5 // 6 // This file is part of CEED: http://github.com/ceed 7 8 #include <ceed.h> 9 #include <ceed/backend.h> 10 #include <stdbool.h> 11 #include <stddef.h> 12 #include <stdint.h> 13 14 #include "ceed-ref.h" 15 16 //------------------------------------------------------------------------------ 17 // Setup Input/Output Fields 18 //------------------------------------------------------------------------------ 19 static int CeedOperatorSetupFields_Ref(CeedQFunction qf, CeedOperator op, bool is_input, CeedVector *e_vecs_full, CeedVector *e_vecs, 20 CeedVector *q_vecs, CeedInt start_e, CeedInt num_fields, CeedInt Q) { 21 CeedInt num_comp, size, P; 22 CeedSize e_size, q_size; 23 Ceed ceed; 24 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 25 CeedBasis basis; 26 CeedElemRestriction elem_restr; 27 CeedOperatorField *op_fields; 28 CeedQFunctionField *qf_fields; 29 if (is_input) { 30 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 31 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 32 } else { 33 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 34 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 35 } 36 37 // Loop over fields 38 for (CeedInt i = 0; i < num_fields; i++) { 39 CeedEvalMode eval_mode; 40 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 41 42 if (eval_mode != CEED_EVAL_WEIGHT) { 43 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &elem_restr)); 44 CeedCallBackend(CeedElemRestrictionCreateVector(elem_restr, NULL, &e_vecs_full[i + start_e])); 45 } 46 47 switch (eval_mode) { 48 case CEED_EVAL_NONE: 49 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 50 q_size = (CeedSize)Q * size; 51 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 52 break; 53 case CEED_EVAL_INTERP: 54 case CEED_EVAL_GRAD: 55 case CEED_EVAL_DIV: 56 case CEED_EVAL_CURL: 57 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 58 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 59 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 60 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 61 e_size = (CeedSize)P * num_comp; 62 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 63 q_size = (CeedSize)Q * size; 64 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 65 break; 66 case CEED_EVAL_WEIGHT: // Only on input fields 67 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 68 q_size = (CeedSize)Q; 69 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 70 CeedCallBackend(CeedBasisApply(basis, 1, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 71 break; 72 } 73 } 74 return CEED_ERROR_SUCCESS; 75 } 76 77 //------------------------------------------------------------------------------ 78 // Setup Operator 79 //------------------------------------------------------------------------------/* 80 static int CeedOperatorSetup_Ref(CeedOperator op) { 81 bool is_setup_done; 82 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 83 if (is_setup_done) return CEED_ERROR_SUCCESS; 84 Ceed ceed; 85 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 86 CeedOperator_Ref *impl; 87 CeedCallBackend(CeedOperatorGetData(op, &impl)); 88 CeedQFunction qf; 89 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 90 CeedInt Q, num_input_fields, num_output_fields; 91 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 92 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 93 CeedOperatorField *op_input_fields, *op_output_fields; 94 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 95 CeedQFunctionField *qf_input_fields, *qf_output_fields; 96 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 97 98 // Allocate 99 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 100 101 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 102 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 103 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 104 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 105 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 106 107 impl->num_inputs = num_input_fields; 108 impl->num_outputs = num_output_fields; 109 110 // Set up infield and outfield e_vecs and q_vecs 111 // Infields 112 CeedCallBackend(CeedOperatorSetupFields_Ref(qf, op, true, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, num_input_fields, Q)); 113 // Outfields 114 CeedCallBackend( 115 CeedOperatorSetupFields_Ref(qf, op, false, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, num_input_fields, num_output_fields, Q)); 116 117 // Identity QFunctions 118 if (impl->is_identity_qf) { 119 CeedEvalMode in_mode, out_mode; 120 CeedQFunctionField *in_fields, *out_fields; 121 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 122 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 123 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 124 125 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 126 impl->is_identity_restr_op = true; 127 } else { 128 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[0])); 129 impl->q_vecs_out[0] = impl->q_vecs_in[0]; 130 CeedCallBackend(CeedVectorAddReference(impl->q_vecs_in[0])); 131 } 132 } 133 134 CeedCallBackend(CeedOperatorSetSetupDone(op)); 135 136 return CEED_ERROR_SUCCESS; 137 } 138 139 //------------------------------------------------------------------------------ 140 // Setup Operator Inputs 141 //------------------------------------------------------------------------------ 142 static inline int CeedOperatorSetupInputs_Ref(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 143 CeedVector in_vec, const bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], 144 CeedOperator_Ref *impl, CeedRequest *request) { 145 CeedEvalMode eval_mode; 146 CeedVector vec; 147 CeedElemRestriction elem_restr; 148 uint64_t state; 149 150 for (CeedInt i = 0; i < num_input_fields; i++) { 151 // Get input vector 152 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 153 if (vec == CEED_VECTOR_ACTIVE) { 154 if (skip_active) continue; 155 else vec = in_vec; 156 } 157 158 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 159 // Restrict and Evec 160 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 161 } else { 162 // Restrict 163 CeedCallBackend(CeedVectorGetState(vec, &state)); 164 // Skip restriction if input is unchanged 165 if (state != impl->input_states[i] || vec == in_vec) { 166 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_restr)); 167 CeedCallBackend(CeedElemRestrictionApply(elem_restr, CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 168 impl->input_states[i] = state; 169 } 170 // Get evec 171 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data_full[i])); 172 } 173 } 174 return CEED_ERROR_SUCCESS; 175 } 176 177 //------------------------------------------------------------------------------ 178 // Input Basis Action 179 //------------------------------------------------------------------------------ 180 static inline int CeedOperatorInputBasis_Ref(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 181 CeedInt num_input_fields, const bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], 182 CeedOperator_Ref *impl) { 183 CeedInt elem_size, size, num_comp; 184 CeedElemRestriction elem_restr; 185 CeedEvalMode eval_mode; 186 CeedBasis basis; 187 188 for (CeedInt i = 0; i < num_input_fields; i++) { 189 // Skip active input 190 if (skip_active) { 191 CeedVector vec; 192 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 193 if (vec == CEED_VECTOR_ACTIVE) continue; 194 } 195 // Get elem_size, eval_mode, size 196 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_restr)); 197 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_restr, &elem_size)); 198 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 199 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 200 // Basis action 201 switch (eval_mode) { 202 case CEED_EVAL_NONE: 203 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * Q * size])); 204 break; 205 case CEED_EVAL_INTERP: 206 case CEED_EVAL_GRAD: 207 case CEED_EVAL_DIV: 208 case CEED_EVAL_CURL: 209 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 210 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 211 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * elem_size * num_comp])); 212 CeedCallBackend(CeedBasisApply(basis, 1, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 213 break; 214 case CEED_EVAL_WEIGHT: 215 break; // No action 216 } 217 } 218 return CEED_ERROR_SUCCESS; 219 } 220 221 //------------------------------------------------------------------------------ 222 // Output Basis Action 223 //------------------------------------------------------------------------------ 224 static inline int CeedOperatorOutputBasis_Ref(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 225 CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 226 CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Ref *impl) { 227 CeedInt elem_size, num_comp; 228 CeedElemRestriction elem_restr; 229 CeedEvalMode eval_mode; 230 CeedBasis basis; 231 232 for (CeedInt i = 0; i < num_output_fields; i++) { 233 // Get elem_size, eval_mode 234 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_restr)); 235 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_restr, &elem_size)); 236 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 237 // Basis action 238 switch (eval_mode) { 239 case CEED_EVAL_NONE: 240 break; // No action 241 case CEED_EVAL_INTERP: 242 case CEED_EVAL_GRAD: 243 case CEED_EVAL_DIV: 244 case CEED_EVAL_CURL: 245 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 246 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 247 CeedCallBackend( 248 CeedVectorSetArray(impl->e_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * elem_size * num_comp])); 249 CeedCallBackend(CeedBasisApply(basis, 1, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 250 break; 251 // LCOV_EXCL_START 252 case CEED_EVAL_WEIGHT: { 253 Ceed ceed; 254 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 255 return CeedError(ceed, CEED_ERROR_BACKEND, 256 "CEED_EVAL_WEIGHT cannot be an output " 257 "evaluation mode"); 258 // LCOV_EXCL_STOP 259 } 260 } 261 } 262 return CEED_ERROR_SUCCESS; 263 } 264 265 //------------------------------------------------------------------------------ 266 // Restore Input Vectors 267 //------------------------------------------------------------------------------ 268 static inline int CeedOperatorRestoreInputs_Ref(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 269 const bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Ref *impl) { 270 CeedEvalMode eval_mode; 271 272 for (CeedInt i = 0; i < num_input_fields; i++) { 273 // Skip active inputs 274 if (skip_active) { 275 CeedVector vec; 276 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 277 if (vec == CEED_VECTOR_ACTIVE) continue; 278 } 279 // Restore input 280 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 281 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 282 } else { 283 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data_full[i])); 284 } 285 } 286 return CEED_ERROR_SUCCESS; 287 } 288 289 //------------------------------------------------------------------------------ 290 // Operator Apply 291 //------------------------------------------------------------------------------ 292 static int CeedOperatorApplyAdd_Ref(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 293 CeedOperator_Ref *impl; 294 CeedCallBackend(CeedOperatorGetData(op, &impl)); 295 CeedQFunction qf; 296 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 297 CeedInt Q, num_elem, num_input_fields, num_output_fields, size; 298 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 299 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 300 CeedOperatorField *op_input_fields, *op_output_fields; 301 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 302 CeedQFunctionField *qf_input_fields, *qf_output_fields; 303 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 304 CeedEvalMode eval_mode; 305 CeedVector vec; 306 CeedElemRestriction elem_restr; 307 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 308 309 // Setup 310 CeedCallBackend(CeedOperatorSetup_Ref(op)); 311 312 // Restriction only operator 313 if (impl->is_identity_restr_op) { 314 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[0], &elem_restr)); 315 CeedCallBackend(CeedElemRestrictionApply(elem_restr, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_full[0], request)); 316 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[0], &elem_restr)); 317 CeedCallBackend(CeedElemRestrictionApply(elem_restr, CEED_TRANSPOSE, impl->e_vecs_full[0], out_vec, request)); 318 return CEED_ERROR_SUCCESS; 319 } 320 321 // Input Evecs and Restriction 322 CeedCallBackend(CeedOperatorSetupInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, in_vec, false, e_data_full, impl, request)); 323 324 // Output Evecs 325 for (CeedInt i = 0; i < num_output_fields; i++) { 326 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_full[i + impl->num_inputs], CEED_MEM_HOST, &e_data_full[i + num_input_fields])); 327 } 328 329 // Loop through elements 330 for (CeedInt e = 0; e < num_elem; e++) { 331 // Output pointers 332 for (CeedInt i = 0; i < num_output_fields; i++) { 333 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 334 if (eval_mode == CEED_EVAL_NONE) { 335 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 336 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * Q * size])); 337 } 338 } 339 340 // Input basis apply 341 CeedCallBackend(CeedOperatorInputBasis_Ref(e, Q, qf_input_fields, op_input_fields, num_input_fields, false, e_data_full, impl)); 342 343 // Q function 344 if (!impl->is_identity_qf) { 345 CeedCallBackend(CeedQFunctionApply(qf, Q, impl->q_vecs_in, impl->q_vecs_out)); 346 } 347 348 // Output basis apply 349 CeedCallBackend( 350 CeedOperatorOutputBasis_Ref(e, Q, qf_output_fields, op_output_fields, num_input_fields, num_output_fields, op, e_data_full, impl)); 351 } 352 353 // Output restriction 354 for (CeedInt i = 0; i < num_output_fields; i++) { 355 // Restore Evec 356 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_full[i + impl->num_inputs], &e_data_full[i + num_input_fields])); 357 // Get output vector 358 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 359 // Active 360 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 361 // Restrict 362 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_restr)); 363 CeedCallBackend(CeedElemRestrictionApply(elem_restr, CEED_TRANSPOSE, impl->e_vecs_full[i + impl->num_inputs], vec, request)); 364 } 365 366 // Restore input arrays 367 CeedCallBackend(CeedOperatorRestoreInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, false, e_data_full, impl)); 368 369 return CEED_ERROR_SUCCESS; 370 } 371 372 //------------------------------------------------------------------------------ 373 // Core code for assembling linear QFunction 374 //------------------------------------------------------------------------------ 375 static inline int CeedOperatorLinearAssembleQFunctionCore_Ref(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 376 CeedRequest *request) { 377 CeedOperator_Ref *impl; 378 CeedCallBackend(CeedOperatorGetData(op, &impl)); 379 CeedQFunction qf; 380 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 381 CeedInt Q, num_elem, num_input_fields, num_output_fields, size; 382 CeedSize q_size; 383 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 384 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 385 CeedOperatorField *op_input_fields, *op_output_fields; 386 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 387 CeedQFunctionField *qf_input_fields, *qf_output_fields; 388 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 389 CeedVector vec; 390 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 391 CeedVector *active_in = impl->qf_active_in; 392 CeedScalar *a, *tmp; 393 Ceed ceed, ceed_parent; 394 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 395 CeedCallBackend(CeedGetOperatorFallbackParentCeed(ceed, &ceed_parent)); 396 ceed_parent = ceed_parent ? ceed_parent : ceed; 397 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 398 399 // Setup 400 CeedCallBackend(CeedOperatorSetup_Ref(op)); 401 402 // Check for identity 403 if (impl->is_identity_qf) { 404 // LCOV_EXCL_START 405 return CeedError(ceed, CEED_ERROR_BACKEND, "Assembling identity QFunctions not supported"); 406 // LCOV_EXCL_STOP 407 } 408 409 // Input Evecs and Restriction 410 CeedCallBackend(CeedOperatorSetupInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data_full, impl, request)); 411 412 // Count number of active input fields 413 if (!num_active_in) { 414 for (CeedInt i = 0; i < num_input_fields; i++) { 415 // Get input vector 416 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 417 // Check if active input 418 if (vec == CEED_VECTOR_ACTIVE) { 419 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 420 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 421 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &tmp)); 422 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 423 for (CeedInt field = 0; field < size; field++) { 424 q_size = (CeedSize)Q; 425 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 426 CeedCallBackend(CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &tmp[field * Q])); 427 } 428 num_active_in += size; 429 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &tmp)); 430 } 431 } 432 impl->num_active_in = num_active_in; 433 impl->qf_active_in = active_in; 434 } 435 436 // Count number of active output fields 437 if (!num_active_out) { 438 for (CeedInt i = 0; i < num_output_fields; i++) { 439 // Get output vector 440 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 441 // Check if active output 442 if (vec == CEED_VECTOR_ACTIVE) { 443 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 444 num_active_out += size; 445 } 446 } 447 impl->num_active_out = num_active_out; 448 } 449 450 // Check sizes 451 if (!num_active_in || !num_active_out) { 452 // LCOV_EXCL_START 453 return CeedError(ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 454 // LCOV_EXCL_STOP 455 } 456 457 // Build objects if needed 458 if (build_objects) { 459 // Create output restriction 460 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; /* *NOPAD* */ 461 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed_parent, num_elem, Q, num_active_in * num_active_out, 462 num_active_in * num_active_out * num_elem * Q, strides, rstr)); 463 // Create assembled vector 464 CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 465 CeedCallBackend(CeedVectorCreate(ceed_parent, l_size, assembled)); 466 } 467 // Clear output vector 468 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 469 CeedCallBackend(CeedVectorGetArray(*assembled, CEED_MEM_HOST, &a)); 470 471 // Loop through elements 472 for (CeedInt e = 0; e < num_elem; e++) { 473 // Input basis apply 474 CeedCallBackend(CeedOperatorInputBasis_Ref(e, Q, qf_input_fields, op_input_fields, num_input_fields, true, e_data_full, impl)); 475 476 // Assemble QFunction 477 for (CeedInt in = 0; in < num_active_in; in++) { 478 // Set Inputs 479 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 480 if (num_active_in > 1) { 481 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 482 } 483 // Set Outputs 484 for (CeedInt out = 0; out < num_output_fields; out++) { 485 // Get output vector 486 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 487 // Check if active output 488 if (vec == CEED_VECTOR_ACTIVE) { 489 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, a)); 490 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 491 a += size * Q; // Advance the pointer by the size of the output 492 } 493 } 494 // Apply QFunction 495 CeedCallBackend(CeedQFunctionApply(qf, Q, impl->q_vecs_in, impl->q_vecs_out)); 496 } 497 } 498 499 // Un-set output Qvecs to prevent accidental overwrite of Assembled 500 for (CeedInt out = 0; out < num_output_fields; out++) { 501 // Get output vector 502 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 503 // Check if active output 504 if (vec == CEED_VECTOR_ACTIVE && num_elem > 0) { 505 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_HOST, NULL)); 506 } 507 } 508 509 // Restore input arrays 510 CeedCallBackend(CeedOperatorRestoreInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, true, e_data_full, impl)); 511 512 // Restore output 513 CeedCallBackend(CeedVectorRestoreArray(*assembled, &a)); 514 515 return CEED_ERROR_SUCCESS; 516 } 517 518 //------------------------------------------------------------------------------ 519 // Assemble Linear QFunction 520 //------------------------------------------------------------------------------ 521 static int CeedOperatorLinearAssembleQFunction_Ref(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 522 return CeedOperatorLinearAssembleQFunctionCore_Ref(op, true, assembled, rstr, request); 523 } 524 525 //------------------------------------------------------------------------------ 526 // Update Assembled Linear QFunction 527 //------------------------------------------------------------------------------ 528 static int CeedOperatorLinearAssembleQFunctionUpdate_Ref(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 529 return CeedOperatorLinearAssembleQFunctionCore_Ref(op, false, &assembled, &rstr, request); 530 } 531 532 //------------------------------------------------------------------------------ 533 // Operator Destroy 534 //------------------------------------------------------------------------------ 535 static int CeedOperatorDestroy_Ref(CeedOperator op) { 536 CeedOperator_Ref *impl; 537 CeedCallBackend(CeedOperatorGetData(op, &impl)); 538 539 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 540 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 541 } 542 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 543 CeedCallBackend(CeedFree(&impl->input_states)); 544 545 for (CeedInt i = 0; i < impl->num_inputs; i++) { 546 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 547 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 548 } 549 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 550 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 551 552 for (CeedInt i = 0; i < impl->num_outputs; i++) { 553 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 554 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 555 } 556 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 557 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 558 559 // QFunction assembly 560 for (CeedInt i = 0; i < impl->num_active_in; i++) { 561 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 562 } 563 CeedCallBackend(CeedFree(&impl->qf_active_in)); 564 565 CeedCallBackend(CeedFree(&impl)); 566 return CEED_ERROR_SUCCESS; 567 } 568 569 //------------------------------------------------------------------------------ 570 // Operator Create 571 //------------------------------------------------------------------------------ 572 int CeedOperatorCreate_Ref(CeedOperator op) { 573 Ceed ceed; 574 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 575 CeedOperator_Ref *impl; 576 577 CeedCallBackend(CeedCalloc(1, &impl)); 578 CeedCallBackend(CeedOperatorSetData(op, impl)); 579 580 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Ref)); 581 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Ref)); 582 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Ref)); 583 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Ref)); 584 return CEED_ERROR_SUCCESS; 585 } 586