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, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 256 // LCOV_EXCL_STOP 257 } 258 } 259 } 260 return CEED_ERROR_SUCCESS; 261 } 262 263 //------------------------------------------------------------------------------ 264 // Restore Input Vectors 265 //------------------------------------------------------------------------------ 266 static inline int CeedOperatorRestoreInputs_Ref(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 267 const bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Ref *impl) { 268 CeedEvalMode eval_mode; 269 270 for (CeedInt i = 0; i < num_input_fields; i++) { 271 // Skip active inputs 272 if (skip_active) { 273 CeedVector vec; 274 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 275 if (vec == CEED_VECTOR_ACTIVE) continue; 276 } 277 // Restore input 278 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 279 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 280 } else { 281 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data_full[i])); 282 } 283 } 284 return CEED_ERROR_SUCCESS; 285 } 286 287 //------------------------------------------------------------------------------ 288 // Operator Apply 289 //------------------------------------------------------------------------------ 290 static int CeedOperatorApplyAdd_Ref(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 291 CeedOperator_Ref *impl; 292 CeedCallBackend(CeedOperatorGetData(op, &impl)); 293 CeedQFunction qf; 294 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 295 CeedInt Q, num_elem, num_input_fields, num_output_fields, size; 296 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 297 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 298 CeedOperatorField *op_input_fields, *op_output_fields; 299 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 300 CeedQFunctionField *qf_input_fields, *qf_output_fields; 301 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 302 CeedEvalMode eval_mode; 303 CeedVector vec; 304 CeedElemRestriction elem_restr; 305 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 306 307 // Setup 308 CeedCallBackend(CeedOperatorSetup_Ref(op)); 309 310 // Restriction only operator 311 if (impl->is_identity_restr_op) { 312 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[0], &elem_restr)); 313 CeedCallBackend(CeedElemRestrictionApply(elem_restr, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_full[0], request)); 314 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[0], &elem_restr)); 315 CeedCallBackend(CeedElemRestrictionApply(elem_restr, CEED_TRANSPOSE, impl->e_vecs_full[0], out_vec, request)); 316 return CEED_ERROR_SUCCESS; 317 } 318 319 // Input Evecs and Restriction 320 CeedCallBackend(CeedOperatorSetupInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, in_vec, false, e_data_full, impl, request)); 321 322 // Output Evecs 323 for (CeedInt i = 0; i < num_output_fields; i++) { 324 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_full[i + impl->num_inputs], CEED_MEM_HOST, &e_data_full[i + num_input_fields])); 325 } 326 327 // Loop through elements 328 for (CeedInt e = 0; e < num_elem; e++) { 329 // Output pointers 330 for (CeedInt i = 0; i < num_output_fields; i++) { 331 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 332 if (eval_mode == CEED_EVAL_NONE) { 333 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 334 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * Q * size])); 335 } 336 } 337 338 // Input basis apply 339 CeedCallBackend(CeedOperatorInputBasis_Ref(e, Q, qf_input_fields, op_input_fields, num_input_fields, false, e_data_full, impl)); 340 341 // Q function 342 if (!impl->is_identity_qf) { 343 CeedCallBackend(CeedQFunctionApply(qf, Q, impl->q_vecs_in, impl->q_vecs_out)); 344 } 345 346 // Output basis apply 347 CeedCallBackend( 348 CeedOperatorOutputBasis_Ref(e, Q, qf_output_fields, op_output_fields, num_input_fields, num_output_fields, op, e_data_full, impl)); 349 } 350 351 // Output restriction 352 for (CeedInt i = 0; i < num_output_fields; i++) { 353 // Restore Evec 354 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_full[i + impl->num_inputs], &e_data_full[i + num_input_fields])); 355 // Get output vector 356 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 357 // Active 358 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 359 // Restrict 360 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_restr)); 361 CeedCallBackend(CeedElemRestrictionApply(elem_restr, CEED_TRANSPOSE, impl->e_vecs_full[i + impl->num_inputs], vec, request)); 362 } 363 364 // Restore input arrays 365 CeedCallBackend(CeedOperatorRestoreInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, false, e_data_full, impl)); 366 367 return CEED_ERROR_SUCCESS; 368 } 369 370 //------------------------------------------------------------------------------ 371 // Core code for assembling linear QFunction 372 //------------------------------------------------------------------------------ 373 static inline int CeedOperatorLinearAssembleQFunctionCore_Ref(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 374 CeedRequest *request) { 375 CeedOperator_Ref *impl; 376 CeedCallBackend(CeedOperatorGetData(op, &impl)); 377 CeedQFunction qf; 378 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 379 CeedInt Q, num_elem, num_input_fields, num_output_fields, size; 380 CeedSize q_size; 381 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 382 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 383 CeedOperatorField *op_input_fields, *op_output_fields; 384 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 385 CeedQFunctionField *qf_input_fields, *qf_output_fields; 386 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 387 CeedVector vec; 388 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 389 CeedVector *active_in = impl->qf_active_in; 390 CeedScalar *a, *tmp; 391 Ceed ceed, ceed_parent; 392 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 393 CeedCallBackend(CeedGetOperatorFallbackParentCeed(ceed, &ceed_parent)); 394 ceed_parent = ceed_parent ? ceed_parent : ceed; 395 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 396 397 // Setup 398 CeedCallBackend(CeedOperatorSetup_Ref(op)); 399 400 // Check for identity 401 CeedCheck(!impl->is_identity_qf, ceed, CEED_ERROR_BACKEND, "Assembling identity QFunctions not supported"); 402 403 // Input Evecs and Restriction 404 CeedCallBackend(CeedOperatorSetupInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data_full, impl, request)); 405 406 // Count number of active input fields 407 if (!num_active_in) { 408 for (CeedInt i = 0; i < num_input_fields; i++) { 409 // Get input vector 410 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 411 // Check if active input 412 if (vec == CEED_VECTOR_ACTIVE) { 413 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 414 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 415 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &tmp)); 416 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 417 for (CeedInt field = 0; field < size; field++) { 418 q_size = (CeedSize)Q; 419 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 420 CeedCallBackend(CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &tmp[field * Q])); 421 } 422 num_active_in += size; 423 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &tmp)); 424 } 425 } 426 impl->num_active_in = num_active_in; 427 impl->qf_active_in = active_in; 428 } 429 430 // Count number of active output fields 431 if (!num_active_out) { 432 for (CeedInt i = 0; i < num_output_fields; i++) { 433 // Get output vector 434 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 435 // Check if active output 436 if (vec == CEED_VECTOR_ACTIVE) { 437 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 438 num_active_out += size; 439 } 440 } 441 impl->num_active_out = num_active_out; 442 } 443 444 // Check sizes 445 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 446 447 // Build objects if needed 448 if (build_objects) { 449 // Create output restriction 450 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; /* *NOPAD* */ 451 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed_parent, num_elem, Q, num_active_in * num_active_out, 452 num_active_in * num_active_out * num_elem * Q, strides, rstr)); 453 // Create assembled vector 454 CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 455 CeedCallBackend(CeedVectorCreate(ceed_parent, l_size, assembled)); 456 } 457 // Clear output vector 458 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 459 CeedCallBackend(CeedVectorGetArray(*assembled, CEED_MEM_HOST, &a)); 460 461 // Loop through elements 462 for (CeedInt e = 0; e < num_elem; e++) { 463 // Input basis apply 464 CeedCallBackend(CeedOperatorInputBasis_Ref(e, Q, qf_input_fields, op_input_fields, num_input_fields, true, e_data_full, impl)); 465 466 // Assemble QFunction 467 for (CeedInt in = 0; in < num_active_in; in++) { 468 // Set Inputs 469 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 470 if (num_active_in > 1) { 471 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 472 } 473 // Set Outputs 474 for (CeedInt out = 0; out < num_output_fields; out++) { 475 // Get output vector 476 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 477 // Check if active output 478 if (vec == CEED_VECTOR_ACTIVE) { 479 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, a)); 480 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 481 a += size * Q; // Advance the pointer by the size of the output 482 } 483 } 484 // Apply QFunction 485 CeedCallBackend(CeedQFunctionApply(qf, Q, impl->q_vecs_in, impl->q_vecs_out)); 486 } 487 } 488 489 // Un-set output Qvecs to prevent accidental overwrite of Assembled 490 for (CeedInt out = 0; out < num_output_fields; out++) { 491 // Get output vector 492 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 493 // Check if active output 494 if (vec == CEED_VECTOR_ACTIVE && num_elem > 0) { 495 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_HOST, NULL)); 496 } 497 } 498 499 // Restore input arrays 500 CeedCallBackend(CeedOperatorRestoreInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, true, e_data_full, impl)); 501 502 // Restore output 503 CeedCallBackend(CeedVectorRestoreArray(*assembled, &a)); 504 505 return CEED_ERROR_SUCCESS; 506 } 507 508 //------------------------------------------------------------------------------ 509 // Assemble Linear QFunction 510 //------------------------------------------------------------------------------ 511 static int CeedOperatorLinearAssembleQFunction_Ref(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 512 return CeedOperatorLinearAssembleQFunctionCore_Ref(op, true, assembled, rstr, request); 513 } 514 515 //------------------------------------------------------------------------------ 516 // Update Assembled Linear QFunction 517 //------------------------------------------------------------------------------ 518 static int CeedOperatorLinearAssembleQFunctionUpdate_Ref(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 519 return CeedOperatorLinearAssembleQFunctionCore_Ref(op, false, &assembled, &rstr, request); 520 } 521 522 //------------------------------------------------------------------------------ 523 // Operator Destroy 524 //------------------------------------------------------------------------------ 525 static int CeedOperatorDestroy_Ref(CeedOperator op) { 526 CeedOperator_Ref *impl; 527 CeedCallBackend(CeedOperatorGetData(op, &impl)); 528 529 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 530 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 531 } 532 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 533 CeedCallBackend(CeedFree(&impl->input_states)); 534 535 for (CeedInt i = 0; i < impl->num_inputs; i++) { 536 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 537 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 538 } 539 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 540 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 541 542 for (CeedInt i = 0; i < impl->num_outputs; i++) { 543 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 544 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 545 } 546 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 547 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 548 549 // QFunction assembly 550 for (CeedInt i = 0; i < impl->num_active_in; i++) { 551 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 552 } 553 CeedCallBackend(CeedFree(&impl->qf_active_in)); 554 555 CeedCallBackend(CeedFree(&impl)); 556 return CEED_ERROR_SUCCESS; 557 } 558 559 //------------------------------------------------------------------------------ 560 // Operator Create 561 //------------------------------------------------------------------------------ 562 int CeedOperatorCreate_Ref(CeedOperator op) { 563 Ceed ceed; 564 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 565 CeedOperator_Ref *impl; 566 567 CeedCallBackend(CeedCalloc(1, &impl)); 568 CeedCallBackend(CeedOperatorSetData(op, impl)); 569 570 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Ref)); 571 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Ref)); 572 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Ref)); 573 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Ref)); 574 return CEED_ERROR_SUCCESS; 575 } 576 577 //------------------------------------------------------------------------------ 578