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 Ceed ceed; 22 CeedSize e_size, q_size; 23 CeedInt num_comp, size, P; 24 CeedQFunctionField *qf_fields; 25 CeedOperatorField *op_fields; 26 27 { 28 Ceed ceed_parent; 29 30 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 31 CeedCallBackend(CeedGetParent(ceed, &ceed_parent)); 32 if (ceed_parent) ceed = ceed_parent; 33 } 34 if (is_input) { 35 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 36 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 37 } else { 38 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 39 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 40 } 41 42 // Loop over fields 43 for (CeedInt i = 0; i < num_fields; i++) { 44 CeedEvalMode eval_mode; 45 CeedElemRestriction elem_rstr; 46 CeedBasis basis; 47 48 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 49 if (eval_mode != CEED_EVAL_WEIGHT) { 50 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &elem_rstr)); 51 CeedCallBackend(CeedElemRestrictionCreateVector(elem_rstr, NULL, &e_vecs_full[i + start_e])); 52 } 53 54 switch (eval_mode) { 55 case CEED_EVAL_NONE: 56 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 57 q_size = (CeedSize)Q * size; 58 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 59 break; 60 case CEED_EVAL_INTERP: 61 case CEED_EVAL_GRAD: 62 case CEED_EVAL_DIV: 63 case CEED_EVAL_CURL: 64 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 65 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 66 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 67 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 68 e_size = (CeedSize)P * num_comp; 69 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 70 q_size = (CeedSize)Q * size; 71 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 72 break; 73 case CEED_EVAL_WEIGHT: // Only on input fields 74 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 75 q_size = (CeedSize)Q; 76 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 77 CeedCallBackend(CeedBasisApply(basis, 1, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 78 break; 79 } 80 } 81 return CEED_ERROR_SUCCESS; 82 } 83 84 //------------------------------------------------------------------------------ 85 // Setup Operator 86 //------------------------------------------------------------------------------/* 87 static int CeedOperatorSetup_Ref(CeedOperator op) { 88 bool is_setup_done; 89 CeedInt Q, num_input_fields, num_output_fields; 90 CeedQFunctionField *qf_input_fields, *qf_output_fields; 91 CeedQFunction qf; 92 CeedOperatorField *op_input_fields, *op_output_fields; 93 CeedOperator_Ref *impl; 94 95 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 96 if (is_setup_done) return CEED_ERROR_SUCCESS; 97 98 CeedCallBackend(CeedOperatorGetData(op, &impl)); 99 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 100 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 101 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 102 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 103 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 104 105 // Allocate 106 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 107 108 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 109 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 110 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 111 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 112 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 113 114 impl->num_inputs = num_input_fields; 115 impl->num_outputs = num_output_fields; 116 117 // Set up infield and outfield e_vecs and q_vecs 118 // Infields 119 CeedCallBackend(CeedOperatorSetupFields_Ref(qf, op, true, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, num_input_fields, Q)); 120 // Outfields 121 CeedCallBackend( 122 CeedOperatorSetupFields_Ref(qf, op, false, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, num_input_fields, num_output_fields, Q)); 123 124 // Identity QFunctions 125 if (impl->is_identity_qf) { 126 CeedEvalMode in_mode, out_mode; 127 CeedQFunctionField *in_fields, *out_fields; 128 129 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 130 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 131 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 132 133 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 134 impl->is_identity_rstr_op = true; 135 } else { 136 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 137 } 138 } 139 140 CeedCallBackend(CeedOperatorSetSetupDone(op)); 141 return CEED_ERROR_SUCCESS; 142 } 143 144 //------------------------------------------------------------------------------ 145 // Setup Operator Inputs 146 //------------------------------------------------------------------------------ 147 static inline int CeedOperatorSetupInputs_Ref(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 148 CeedVector in_vec, const bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], 149 CeedOperator_Ref *impl, CeedRequest *request) { 150 for (CeedInt i = 0; i < num_input_fields; i++) { 151 uint64_t state; 152 CeedEvalMode eval_mode; 153 CeedVector vec; 154 CeedElemRestriction elem_rstr; 155 156 // Get input vector 157 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 158 if (vec == CEED_VECTOR_ACTIVE) { 159 if (skip_active) continue; 160 else vec = in_vec; 161 } 162 163 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 164 // Restrict and Evec 165 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 166 } else { 167 // Restrict 168 CeedCallBackend(CeedVectorGetState(vec, &state)); 169 // Skip restriction if input is unchanged 170 if (state != impl->input_states[i] || vec == in_vec) { 171 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); 172 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 173 impl->input_states[i] = state; 174 } 175 // Get evec 176 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data_full[i])); 177 } 178 } 179 return CEED_ERROR_SUCCESS; 180 } 181 182 //------------------------------------------------------------------------------ 183 // Input Basis Action 184 //------------------------------------------------------------------------------ 185 static inline int CeedOperatorInputBasis_Ref(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 186 CeedInt num_input_fields, const bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], 187 CeedOperator_Ref *impl) { 188 for (CeedInt i = 0; i < num_input_fields; i++) { 189 CeedInt elem_size, size, num_comp; 190 CeedEvalMode eval_mode; 191 CeedElemRestriction elem_rstr; 192 CeedBasis basis; 193 194 // Skip active input 195 if (skip_active) { 196 CeedVector vec; 197 198 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 199 if (vec == CEED_VECTOR_ACTIVE) continue; 200 } 201 // Get elem_size, eval_mode, size 202 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); 203 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 204 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 205 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 206 // Basis action 207 switch (eval_mode) { 208 case CEED_EVAL_NONE: 209 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * Q * size])); 210 break; 211 case CEED_EVAL_INTERP: 212 case CEED_EVAL_GRAD: 213 case CEED_EVAL_DIV: 214 case CEED_EVAL_CURL: 215 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 216 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 217 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * elem_size * num_comp])); 218 CeedCallBackend(CeedBasisApply(basis, 1, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 219 break; 220 case CEED_EVAL_WEIGHT: 221 break; // No action 222 } 223 } 224 return CEED_ERROR_SUCCESS; 225 } 226 227 //------------------------------------------------------------------------------ 228 // Output Basis Action 229 //------------------------------------------------------------------------------ 230 static inline int CeedOperatorOutputBasis_Ref(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 231 CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 232 CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Ref *impl) { 233 for (CeedInt i = 0; i < num_output_fields; i++) { 234 CeedInt elem_size, num_comp; 235 CeedEvalMode eval_mode; 236 CeedElemRestriction elem_rstr; 237 CeedBasis basis; 238 239 // Get elem_size, eval_mode 240 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); 241 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 242 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 243 // Basis action 244 switch (eval_mode) { 245 case CEED_EVAL_NONE: 246 break; // No action 247 case CEED_EVAL_INTERP: 248 case CEED_EVAL_GRAD: 249 case CEED_EVAL_DIV: 250 case CEED_EVAL_CURL: 251 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 252 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 253 CeedCallBackend( 254 CeedVectorSetArray(impl->e_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * elem_size * num_comp])); 255 CeedCallBackend(CeedBasisApply(basis, 1, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 256 break; 257 // LCOV_EXCL_START 258 case CEED_EVAL_WEIGHT: { 259 return CeedError(CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 260 // LCOV_EXCL_STOP 261 } 262 } 263 } 264 return CEED_ERROR_SUCCESS; 265 } 266 267 //------------------------------------------------------------------------------ 268 // Restore Input Vectors 269 //------------------------------------------------------------------------------ 270 static inline int CeedOperatorRestoreInputs_Ref(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 271 const bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Ref *impl) { 272 for (CeedInt i = 0; i < num_input_fields; i++) { 273 CeedEvalMode eval_mode; 274 275 // Skip active inputs 276 if (skip_active) { 277 CeedVector vec; 278 279 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 280 if (vec == CEED_VECTOR_ACTIVE) continue; 281 } 282 // Restore input 283 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 284 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 285 } else { 286 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data_full[i])); 287 } 288 } 289 return CEED_ERROR_SUCCESS; 290 } 291 292 //------------------------------------------------------------------------------ 293 // Operator Apply 294 //------------------------------------------------------------------------------ 295 static int CeedOperatorApplyAdd_Ref(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 296 CeedInt Q, num_elem, num_input_fields, num_output_fields, size; 297 CeedEvalMode eval_mode; 298 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {NULL}; 299 CeedQFunctionField *qf_input_fields, *qf_output_fields; 300 CeedQFunction qf; 301 CeedOperatorField *op_input_fields, *op_output_fields; 302 CeedOperator_Ref *impl; 303 304 CeedCallBackend(CeedOperatorGetData(op, &impl)); 305 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 306 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 307 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 308 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 309 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 310 311 // Setup 312 CeedCallBackend(CeedOperatorSetup_Ref(op)); 313 314 // Restriction only operator 315 if (impl->is_identity_rstr_op) { 316 CeedElemRestriction elem_rstr; 317 318 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[0], &elem_rstr)); 319 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_full[0], request)); 320 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[0], &elem_rstr)); 321 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_TRANSPOSE, impl->e_vecs_full[0], out_vec, request)); 322 return CEED_ERROR_SUCCESS; 323 } 324 325 // Input Evecs and Restriction 326 CeedCallBackend(CeedOperatorSetupInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, in_vec, false, e_data_full, impl, request)); 327 328 // Output Evecs 329 for (CeedInt i = 0; i < num_output_fields; i++) { 330 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_full[i + impl->num_inputs], CEED_MEM_HOST, &e_data_full[i + num_input_fields])); 331 } 332 333 // Loop through elements 334 for (CeedInt e = 0; e < num_elem; e++) { 335 // Output pointers 336 for (CeedInt i = 0; i < num_output_fields; i++) { 337 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 338 if (eval_mode == CEED_EVAL_NONE) { 339 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 340 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * Q * size])); 341 } 342 } 343 344 // Input basis apply 345 CeedCallBackend(CeedOperatorInputBasis_Ref(e, Q, qf_input_fields, op_input_fields, num_input_fields, false, e_data_full, impl)); 346 347 // Q function 348 if (!impl->is_identity_qf) { 349 CeedCallBackend(CeedQFunctionApply(qf, Q, impl->q_vecs_in, impl->q_vecs_out)); 350 } 351 352 // Output basis apply 353 CeedCallBackend( 354 CeedOperatorOutputBasis_Ref(e, Q, qf_output_fields, op_output_fields, num_input_fields, num_output_fields, op, e_data_full, impl)); 355 } 356 357 // Output restriction 358 for (CeedInt i = 0; i < num_output_fields; i++) { 359 CeedVector vec; 360 CeedElemRestriction elem_rstr; 361 362 // Restore Evec 363 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_full[i + impl->num_inputs], &e_data_full[i + num_input_fields])); 364 // Get output vector 365 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 366 // Active 367 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 368 // Restrict 369 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); 370 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_TRANSPOSE, impl->e_vecs_full[i + impl->num_inputs], vec, request)); 371 } 372 373 // Restore input arrays 374 CeedCallBackend(CeedOperatorRestoreInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, false, e_data_full, impl)); 375 return CEED_ERROR_SUCCESS; 376 } 377 378 //------------------------------------------------------------------------------ 379 // Core code for assembling linear QFunction 380 //------------------------------------------------------------------------------ 381 static inline int CeedOperatorLinearAssembleQFunctionCore_Ref(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 382 CeedRequest *request) { 383 Ceed ceed, ceed_parent; 384 CeedSize q_size; 385 CeedInt num_active_in, num_active_out, Q, num_elem, num_input_fields, num_output_fields, size; 386 CeedScalar *assembled_array, *e_data_full[2 * CEED_FIELD_MAX] = {NULL}; 387 CeedVector *active_in; 388 CeedQFunctionField *qf_input_fields, *qf_output_fields; 389 CeedQFunction qf; 390 CeedOperatorField *op_input_fields, *op_output_fields; 391 CeedOperator_Ref *impl; 392 393 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 394 CeedCallBackend(CeedOperatorGetFallbackParentCeed(op, &ceed_parent)); 395 CeedCallBackend(CeedOperatorGetData(op, &impl)); 396 active_in = impl->qf_active_in; 397 num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 398 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 399 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 400 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 401 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 402 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 403 404 // Setup 405 CeedCallBackend(CeedOperatorSetup_Ref(op)); 406 407 // Check for restriction only operator 408 CeedCheck(!impl->is_identity_rstr_op, ceed, CEED_ERROR_BACKEND, "Assembling restriction only operators is not supported"); 409 410 // Input Evecs and Restriction 411 CeedCallBackend(CeedOperatorSetupInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data_full, impl, request)); 412 413 // Count number of active input fields 414 if (!num_active_in) { 415 for (CeedInt i = 0; i < num_input_fields; i++) { 416 CeedScalar *q_vec_array; 417 CeedVector vec; 418 419 // Get input vector 420 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 421 // Check if active input 422 if (vec == CEED_VECTOR_ACTIVE) { 423 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 424 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 425 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &q_vec_array)); 426 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 427 for (CeedInt field = 0; field < size; field++) { 428 q_size = (CeedSize)Q; 429 CeedCallBackend(CeedVectorCreate(ceed_parent, q_size, &active_in[num_active_in + field])); 430 CeedCallBackend(CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &q_vec_array[field * Q])); 431 } 432 num_active_in += size; 433 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &q_vec_array)); 434 } 435 } 436 impl->num_active_in = num_active_in; 437 impl->qf_active_in = active_in; 438 } 439 440 // Count number of active output fields 441 if (!num_active_out) { 442 for (CeedInt i = 0; i < num_output_fields; i++) { 443 CeedVector vec; 444 445 // Get output vector 446 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 447 // Check if active output 448 if (vec == CEED_VECTOR_ACTIVE) { 449 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 450 num_active_out += size; 451 } 452 } 453 impl->num_active_out = num_active_out; 454 } 455 456 // Check sizes 457 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 458 459 // Build objects if needed 460 if (build_objects) { 461 const CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 462 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; /* *NOPAD* */ 463 464 // Create output restriction 465 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed_parent, num_elem, Q, num_active_in * num_active_out, 466 num_active_in * num_active_out * num_elem * Q, strides, rstr)); 467 // Create assembled vector 468 CeedCallBackend(CeedVectorCreate(ceed_parent, l_size, assembled)); 469 } 470 // Clear output vector 471 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 472 CeedCallBackend(CeedVectorGetArray(*assembled, CEED_MEM_HOST, &assembled_array)); 473 474 // Loop through elements 475 for (CeedInt e = 0; e < num_elem; e++) { 476 // Input basis apply 477 CeedCallBackend(CeedOperatorInputBasis_Ref(e, Q, qf_input_fields, op_input_fields, num_input_fields, true, e_data_full, impl)); 478 479 // Assemble QFunction 480 for (CeedInt in = 0; in < num_active_in; in++) { 481 // Set Inputs 482 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 483 if (num_active_in > 1) { 484 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 485 } 486 if (!impl->is_identity_qf) { 487 // Set Outputs 488 for (CeedInt out = 0; out < num_output_fields; out++) { 489 CeedVector vec; 490 491 // Get output vector 492 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 493 // Check if active output 494 if (vec == CEED_VECTOR_ACTIVE) { 495 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, assembled_array)); 496 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 497 assembled_array += size * Q; // Advance the pointer by the size of the output 498 } 499 } 500 // Apply QFunction 501 CeedCallBackend(CeedQFunctionApply(qf, Q, impl->q_vecs_in, impl->q_vecs_out)); 502 } else { 503 const CeedScalar *q_vec_array; 504 505 // Copy Identity Outputs 506 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[0], &size)); 507 CeedCallBackend(CeedVectorGetArrayRead(impl->q_vecs_out[0], CEED_MEM_HOST, &q_vec_array)); 508 for (CeedInt i = 0; i < size * Q; i++) assembled_array[i] = q_vec_array[i]; 509 CeedCallBackend(CeedVectorRestoreArrayRead(impl->q_vecs_out[0], &q_vec_array)); 510 assembled_array += size * Q; 511 } 512 } 513 } 514 515 // Un-set output Qvecs to prevent accidental overwrite of Assembled 516 if (!impl->is_identity_qf) { 517 for (CeedInt out = 0; out < num_output_fields; out++) { 518 CeedVector vec; 519 520 // Get output vector 521 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 522 // Check if active output 523 if (vec == CEED_VECTOR_ACTIVE && num_elem > 0) { 524 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_HOST, NULL)); 525 } 526 } 527 } 528 529 // Restore input arrays 530 CeedCallBackend(CeedOperatorRestoreInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, true, e_data_full, impl)); 531 532 // Restore output 533 CeedCallBackend(CeedVectorRestoreArray(*assembled, &assembled_array)); 534 return CEED_ERROR_SUCCESS; 535 } 536 537 //------------------------------------------------------------------------------ 538 // Assemble Linear QFunction 539 //------------------------------------------------------------------------------ 540 static int CeedOperatorLinearAssembleQFunction_Ref(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 541 return CeedOperatorLinearAssembleQFunctionCore_Ref(op, true, assembled, rstr, request); 542 } 543 544 //------------------------------------------------------------------------------ 545 // Update Assembled Linear QFunction 546 //------------------------------------------------------------------------------ 547 static int CeedOperatorLinearAssembleQFunctionUpdate_Ref(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 548 return CeedOperatorLinearAssembleQFunctionCore_Ref(op, false, &assembled, &rstr, request); 549 } 550 551 //------------------------------------------------------------------------------ 552 // Setup Input/Output Fields 553 //------------------------------------------------------------------------------ 554 static int CeedOperatorSetupFieldsAtPoints_Ref(CeedQFunction qf, CeedOperator op, bool is_input, CeedVector *e_vecs_full, CeedVector *e_vecs, 555 CeedVector *q_vecs, CeedInt start_e, CeedInt num_fields, CeedInt Q) { 556 Ceed ceed; 557 CeedSize e_size, q_size; 558 CeedInt max_num_points, num_comp, size, P; 559 CeedQFunctionField *qf_fields; 560 CeedOperatorField *op_fields; 561 562 { 563 Ceed ceed_parent; 564 565 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 566 CeedCallBackend(CeedGetParent(ceed, &ceed_parent)); 567 if (ceed_parent) ceed = ceed_parent; 568 } 569 if (is_input) { 570 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 571 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 572 } else { 573 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 574 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 575 } 576 577 // Get max number of points 578 { 579 CeedInt dim; 580 CeedElemRestriction rstr_points = NULL; 581 CeedOperator_Ref *impl; 582 583 CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, NULL)); 584 CeedCallBackend(CeedElemRestrictionGetMaxPointsInElement(rstr_points, &max_num_points)); 585 CeedCallBackend(CeedElemRestrictionGetNumComponents(rstr_points, &dim)); 586 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); 587 CeedCallBackend(CeedOperatorGetData(op, &impl)); 588 if (is_input) CeedCallBackend(CeedVectorCreate(ceed, dim * max_num_points, &impl->point_coords_elem)); 589 } 590 591 // Loop over fields 592 for (CeedInt i = 0; i < num_fields; i++) { 593 CeedEvalMode eval_mode; 594 CeedBasis basis; 595 596 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 597 if (eval_mode != CEED_EVAL_WEIGHT) { 598 CeedRestrictionType rstr_type; 599 CeedElemRestriction elem_rstr; 600 601 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &elem_rstr)); 602 CeedCallBackend(CeedElemRestrictionGetNumComponents(elem_rstr, &num_comp)); 603 CeedCallBackend(CeedElemRestrictionGetType(elem_rstr, &rstr_type)); 604 CeedCallBackend(CeedElemRestrictionCreateVector(elem_rstr, NULL, &e_vecs_full[i + start_e])); 605 } 606 607 switch (eval_mode) { 608 case CEED_EVAL_NONE: { 609 CeedVector vec; 610 611 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 612 e_size = (CeedSize)max_num_points * size; 613 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 614 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec)); 615 if (vec == CEED_VECTOR_ACTIVE || !is_input) { 616 CeedCallBackend(CeedVectorReferenceCopy(e_vecs[i], &q_vecs[i])); 617 } else { 618 q_size = (CeedSize)max_num_points * size; 619 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 620 } 621 break; 622 } 623 case CEED_EVAL_INTERP: 624 case CEED_EVAL_GRAD: 625 case CEED_EVAL_DIV: 626 case CEED_EVAL_CURL: 627 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 628 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 629 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 630 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 631 e_size = (CeedSize)P * num_comp; 632 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 633 q_size = (CeedSize)max_num_points * size; 634 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 635 break; 636 case CEED_EVAL_WEIGHT: // Only on input fields 637 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 638 q_size = (CeedSize)max_num_points; 639 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 640 CeedCallBackend( 641 CeedBasisApplyAtPoints(basis, max_num_points, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, CEED_VECTOR_NONE, q_vecs[i])); 642 break; 643 } 644 if (is_input && e_vecs[i]) { 645 CeedCallBackend(CeedVectorSetArray(e_vecs[i], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 646 } 647 } 648 return CEED_ERROR_SUCCESS; 649 } 650 651 //------------------------------------------------------------------------------ 652 // Setup Operator 653 //------------------------------------------------------------------------------ 654 static int CeedOperatorSetupAtPoints_Ref(CeedOperator op) { 655 bool is_setup_done; 656 CeedInt Q, num_input_fields, num_output_fields; 657 CeedQFunctionField *qf_input_fields, *qf_output_fields; 658 CeedQFunction qf; 659 CeedOperatorField *op_input_fields, *op_output_fields; 660 CeedOperator_Ref *impl; 661 662 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 663 if (is_setup_done) return CEED_ERROR_SUCCESS; 664 665 CeedCallBackend(CeedOperatorGetData(op, &impl)); 666 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 667 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 668 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 669 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 670 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 671 672 // Allocate 673 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 674 675 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 676 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 677 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 678 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 679 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 680 681 impl->num_inputs = num_input_fields; 682 impl->num_outputs = num_output_fields; 683 684 // Set up infield and outfield pointer arrays 685 // Infields 686 CeedCallBackend(CeedOperatorSetupFieldsAtPoints_Ref(qf, op, true, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, num_input_fields, Q)); 687 // Outfields 688 CeedCallBackend(CeedOperatorSetupFieldsAtPoints_Ref(qf, op, false, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, num_input_fields, 689 num_output_fields, Q)); 690 691 // Identity QFunctions 692 if (impl->is_identity_qf) { 693 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 694 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->e_vecs_out[0])); 695 } 696 697 CeedCallBackend(CeedOperatorSetSetupDone(op)); 698 return CEED_ERROR_SUCCESS; 699 } 700 701 //------------------------------------------------------------------------------ 702 // Input Basis Action 703 //------------------------------------------------------------------------------ 704 static inline int CeedOperatorInputBasisAtPoints_Ref(CeedInt e, CeedInt num_points_offset, CeedInt num_points, CeedQFunctionField *qf_input_fields, 705 CeedOperatorField *op_input_fields, CeedInt num_input_fields, CeedVector in_vec, 706 CeedVector point_coords_elem, bool skip_active, CeedScalar *e_data[2 * CEED_FIELD_MAX], 707 CeedOperator_Ref *impl, CeedRequest *request) { 708 for (CeedInt i = 0; i < num_input_fields; i++) { 709 bool is_active_input = false; 710 CeedInt elem_size, size, num_comp; 711 CeedRestrictionType rstr_type; 712 CeedEvalMode eval_mode; 713 CeedVector vec; 714 CeedElemRestriction elem_rstr; 715 CeedBasis basis; 716 717 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 718 // Skip active input 719 is_active_input = vec == CEED_VECTOR_ACTIVE; 720 if (skip_active && is_active_input) continue; 721 722 // Get elem_size, eval_mode, size 723 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); 724 CeedCallBackend(CeedElemRestrictionGetType(elem_rstr, &rstr_type)); 725 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 726 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 727 // Restrict block active input 728 if (is_active_input) { 729 if (rstr_type == CEED_RESTRICTION_POINTS) { 730 CeedCallBackend(CeedElemRestrictionApplyAtPointsInElement(elem_rstr, e, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[i], request)); 731 } else { 732 CeedCallBackend(CeedElemRestrictionApplyBlock(elem_rstr, e, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[i], request)); 733 } 734 } 735 // Basis action 736 switch (eval_mode) { 737 case CEED_EVAL_NONE: 738 if (!is_active_input) { 739 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][num_points_offset * size])); 740 } 741 break; 742 // Note - these basis eval modes require FEM fields 743 case CEED_EVAL_INTERP: 744 case CEED_EVAL_GRAD: 745 case CEED_EVAL_DIV: 746 case CEED_EVAL_CURL: 747 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 748 if (!is_active_input) { 749 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 750 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 751 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * elem_size * num_comp])); 752 } 753 CeedCallBackend( 754 CeedBasisApplyAtPoints(basis, num_points, CEED_NOTRANSPOSE, eval_mode, point_coords_elem, impl->e_vecs_in[i], impl->q_vecs_in[i])); 755 break; 756 case CEED_EVAL_WEIGHT: 757 break; // No action 758 } 759 } 760 return CEED_ERROR_SUCCESS; 761 } 762 763 //------------------------------------------------------------------------------ 764 // Output Basis Action 765 //------------------------------------------------------------------------------ 766 static inline int CeedOperatorOutputBasisAtPoints_Ref(CeedInt e, CeedInt num_points_offset, CeedInt num_points, CeedQFunctionField *qf_output_fields, 767 CeedOperatorField *op_output_fields, CeedInt num_input_fields, CeedInt num_output_fields, 768 CeedOperator op, CeedVector out_vec, CeedVector point_coords_elem, CeedOperator_Ref *impl, 769 CeedRequest *request) { 770 for (CeedInt i = 0; i < num_output_fields; i++) { 771 CeedRestrictionType rstr_type; 772 CeedEvalMode eval_mode; 773 CeedVector vec; 774 CeedElemRestriction elem_rstr; 775 CeedBasis basis; 776 777 // Get elem_size, eval_mode, size 778 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); 779 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 780 // Basis action 781 switch (eval_mode) { 782 case CEED_EVAL_NONE: 783 break; // No action 784 case CEED_EVAL_INTERP: 785 case CEED_EVAL_GRAD: 786 case CEED_EVAL_DIV: 787 case CEED_EVAL_CURL: 788 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 789 CeedCallBackend( 790 CeedBasisApplyAtPoints(basis, num_points, CEED_TRANSPOSE, eval_mode, point_coords_elem, impl->q_vecs_out[i], impl->e_vecs_out[i])); 791 break; 792 // LCOV_EXCL_START 793 case CEED_EVAL_WEIGHT: { 794 return CeedError(CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 795 // LCOV_EXCL_STOP 796 } 797 } 798 // Restrict output block 799 // Get output vector 800 CeedCallBackend(CeedElemRestrictionGetType(elem_rstr, &rstr_type)); 801 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 802 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 803 // Restrict 804 if (rstr_type == CEED_RESTRICTION_POINTS) { 805 CeedCallBackend(CeedElemRestrictionApplyAtPointsInElement(elem_rstr, e, CEED_TRANSPOSE, impl->e_vecs_out[i], vec, request)); 806 } else { 807 CeedCallBackend(CeedElemRestrictionApplyBlock(elem_rstr, e, CEED_TRANSPOSE, impl->e_vecs_out[i], vec, request)); 808 } 809 } 810 return CEED_ERROR_SUCCESS; 811 } 812 813 //------------------------------------------------------------------------------ 814 // Operator Apply 815 //------------------------------------------------------------------------------ 816 static int CeedOperatorApplyAddAtPoints_Ref(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 817 CeedInt num_points_offset = 0, num_input_fields, num_output_fields, num_elem; 818 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 819 CeedVector point_coords = NULL; 820 CeedElemRestriction rstr_points = NULL; 821 CeedQFunctionField *qf_input_fields, *qf_output_fields; 822 CeedQFunction qf; 823 CeedOperatorField *op_input_fields, *op_output_fields; 824 CeedOperator_Ref *impl; 825 826 CeedCallBackend(CeedOperatorGetData(op, &impl)); 827 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 828 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 829 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 830 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 831 832 // Setup 833 CeedCallBackend(CeedOperatorSetupAtPoints_Ref(op)); 834 835 // Point coordinates 836 CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, &point_coords)); 837 838 // Input Evecs and Restriction 839 CeedCallBackend(CeedOperatorSetupInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data, impl, request)); 840 841 // Loop through elements 842 for (CeedInt e = 0; e < num_elem; e++) { 843 CeedInt num_points; 844 845 // Setup points for element 846 CeedCallBackend(CeedElemRestrictionApplyAtPointsInElement(rstr_points, e, CEED_NOTRANSPOSE, point_coords, impl->point_coords_elem, request)); 847 CeedCallBackend(CeedElemRestrictionGetNumPointsInElement(rstr_points, e, &num_points)); 848 849 // Input basis apply 850 CeedCallBackend(CeedOperatorInputBasisAtPoints_Ref(e, num_points_offset, num_points, qf_input_fields, op_input_fields, num_input_fields, in_vec, 851 impl->point_coords_elem, false, e_data, impl, request)); 852 853 // Q function 854 if (!impl->is_identity_qf) { 855 CeedCallBackend(CeedQFunctionApply(qf, num_points, impl->q_vecs_in, impl->q_vecs_out)); 856 } 857 858 // Output basis apply and restriction 859 CeedCallBackend(CeedOperatorOutputBasisAtPoints_Ref(e, num_points_offset, num_points, qf_output_fields, op_output_fields, num_input_fields, 860 num_output_fields, op, out_vec, impl->point_coords_elem, impl, request)); 861 862 num_points_offset += num_points; 863 } 864 865 // Restore input arrays 866 CeedCallBackend(CeedOperatorRestoreInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, true, e_data, impl)); 867 868 // Cleanup point coordinates 869 CeedCallBackend(CeedVectorDestroy(&point_coords)); 870 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); 871 return CEED_ERROR_SUCCESS; 872 } 873 874 //------------------------------------------------------------------------------ 875 // Core code for assembling linear QFunction 876 //------------------------------------------------------------------------------ 877 static inline int CeedOperatorLinearAssembleQFunctionAtPointsCore_Ref(CeedOperator op, bool build_objects, CeedVector *assembled, 878 CeedElemRestriction *rstr, CeedRequest *request) { 879 Ceed ceed; 880 CeedSize q_size; 881 CeedInt num_active_in, num_active_out, max_num_points, num_elem, num_input_fields, num_output_fields, num_points_offset = 0; 882 CeedScalar *assembled_array, *e_data_full[2 * CEED_FIELD_MAX] = {NULL}; 883 CeedVector *active_in, point_coords = NULL; 884 CeedQFunctionField *qf_input_fields, *qf_output_fields; 885 CeedQFunction qf; 886 CeedOperatorField *op_input_fields, *op_output_fields; 887 CeedOperator_Ref *impl; 888 CeedElemRestriction rstr_points = NULL; 889 890 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 891 CeedCallBackend(CeedOperatorGetData(op, &impl)); 892 active_in = impl->qf_active_in; 893 num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 894 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 895 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 896 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 897 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 898 899 // Setup 900 CeedCallBackend(CeedOperatorSetupAtPoints_Ref(op)); 901 902 // Check for restriction only operator 903 CeedCheck(!impl->is_identity_rstr_op, ceed, CEED_ERROR_BACKEND, "Assembling restriction only operators is not supported"); 904 905 // Point coordinates 906 CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, &point_coords)); 907 CeedCallBackend(CeedElemRestrictionGetMaxPointsInElement(rstr_points, &max_num_points)); 908 909 // Input Evecs and Restriction 910 CeedCallBackend(CeedOperatorSetupInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data_full, impl, request)); 911 912 // Count number of active input fields 913 if (!num_active_in) { 914 for (CeedInt i = 0; i < num_input_fields; i++) { 915 CeedScalar *q_vec_array; 916 CeedInt field_size; 917 CeedVector vec; 918 919 // Get input vector 920 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 921 // Check if active input 922 if (vec == CEED_VECTOR_ACTIVE) { 923 // Check that all active inputs are nodal fields 924 { 925 CeedElemRestriction elem_rstr; 926 bool is_at_points = false; 927 928 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); 929 CeedCallBackend(CeedElemRestrictionIsPoints(elem_rstr, &is_at_points)); 930 CeedCheck(!is_at_points, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction with active input at points"); 931 } 932 // Get size of active input 933 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &field_size)); 934 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 935 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &q_vec_array)); 936 CeedCallBackend(CeedRealloc(num_active_in + field_size, &active_in)); 937 for (CeedInt field = 0; field < field_size; field++) { 938 q_size = (CeedSize)max_num_points; 939 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 940 CeedCallBackend(CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &q_vec_array[field * q_size])); 941 } 942 num_active_in += field_size; 943 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &q_vec_array)); 944 } 945 } 946 impl->num_active_in = num_active_in; 947 impl->qf_active_in = active_in; 948 } 949 950 // Count number of active output fields 951 if (!num_active_out) { 952 for (CeedInt i = 0; i < num_output_fields; i++) { 953 CeedVector vec; 954 CeedInt field_size; 955 956 // Get output vector 957 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 958 // Check if active output 959 if (vec == CEED_VECTOR_ACTIVE) { 960 // Check that all active inputs are nodal fields 961 { 962 CeedElemRestriction elem_rstr; 963 bool is_at_points = false; 964 965 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); 966 CeedCallBackend(CeedElemRestrictionIsPoints(elem_rstr, &is_at_points)); 967 CeedCheck(!is_at_points, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction with active input at points"); 968 } 969 // Get size of active output 970 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &field_size)); 971 num_active_out += field_size; 972 } 973 } 974 impl->num_active_out = num_active_out; 975 } 976 977 // Check sizes 978 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 979 980 // Build objects if needed 981 if (build_objects) { 982 CeedInt num_points_total; 983 const CeedInt *offsets; 984 985 CeedCallBackend(CeedElemRestrictionGetNumPoints(rstr_points, &num_points_total)); 986 987 // Create output restriction (at points) 988 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr_points, CEED_MEM_HOST, &offsets)); 989 CeedCallBackend(CeedElemRestrictionCreateAtPoints(ceed, num_elem, num_points_total, num_active_in * num_active_out, 990 num_active_in * num_active_out * num_points_total, CEED_MEM_HOST, CEED_COPY_VALUES, offsets, 991 rstr)); 992 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr_points, &offsets)); 993 994 // Create assembled vector 995 CeedCallBackend(CeedElemRestrictionCreateVector(*rstr, assembled, NULL)); 996 } 997 // Clear output vector 998 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 999 CeedCallBackend(CeedVectorGetArray(*assembled, CEED_MEM_HOST, &assembled_array)); 1000 1001 // Loop through elements 1002 for (CeedInt e = 0; e < num_elem; e++) { 1003 CeedInt num_points; 1004 1005 // Setup points for element 1006 CeedCallBackend(CeedElemRestrictionApplyAtPointsInElement(rstr_points, e, CEED_NOTRANSPOSE, point_coords, impl->point_coords_elem, request)); 1007 CeedCallBackend(CeedElemRestrictionGetNumPointsInElement(rstr_points, e, &num_points)); 1008 1009 // Input basis apply 1010 CeedCallBackend(CeedOperatorInputBasisAtPoints_Ref(e, num_points_offset, num_points, qf_input_fields, op_input_fields, num_input_fields, NULL, 1011 impl->point_coords_elem, true, e_data_full, impl, request)); 1012 1013 // Assemble QFunction 1014 for (CeedInt in = 0; in < num_active_in; in++) { 1015 // Set Inputs 1016 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 1017 if (num_active_in > 1) { 1018 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 1019 } 1020 if (!impl->is_identity_qf) { 1021 // Set Outputs 1022 for (CeedInt out = 0; out < num_output_fields; out++) { 1023 CeedVector vec; 1024 CeedInt field_size; 1025 1026 // Get output vector 1027 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 1028 // Check if active output 1029 if (vec == CEED_VECTOR_ACTIVE) { 1030 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, assembled_array)); 1031 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &field_size)); 1032 assembled_array += field_size * num_points; // Advance the pointer by the size of the output 1033 } 1034 } 1035 // Apply QFunction 1036 CeedCallBackend(CeedQFunctionApply(qf, num_points, impl->q_vecs_in, impl->q_vecs_out)); 1037 } else { 1038 const CeedScalar *q_vec_array; 1039 CeedInt field_size; 1040 1041 // Copy Identity Outputs 1042 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[0], &field_size)); 1043 CeedCallBackend(CeedVectorGetArrayRead(impl->q_vecs_out[0], CEED_MEM_HOST, &q_vec_array)); 1044 for (CeedInt i = 0; i < field_size * num_points; i++) assembled_array[i] = q_vec_array[i]; 1045 CeedCallBackend(CeedVectorRestoreArrayRead(impl->q_vecs_out[0], &q_vec_array)); 1046 assembled_array += field_size * num_points; 1047 } 1048 } 1049 num_points_offset += num_points; 1050 } 1051 1052 // Un-set output Qvecs to prevent accidental overwrite of Assembled 1053 if (!impl->is_identity_qf) { 1054 for (CeedInt out = 0; out < num_output_fields; out++) { 1055 CeedVector vec; 1056 1057 // Get output vector 1058 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 1059 // Check if active output 1060 if (vec == CEED_VECTOR_ACTIVE && num_elem > 0) { 1061 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_HOST, NULL)); 1062 } 1063 } 1064 } 1065 1066 // Restore input arrays 1067 CeedCallBackend(CeedOperatorRestoreInputs_Ref(num_input_fields, qf_input_fields, op_input_fields, true, e_data_full, impl)); 1068 1069 // Restore output 1070 CeedCallBackend(CeedVectorRestoreArray(*assembled, &assembled_array)); 1071 1072 // Cleanup 1073 CeedCallBackend(CeedVectorDestroy(&point_coords)); 1074 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); 1075 return CEED_ERROR_SUCCESS; 1076 } 1077 1078 //------------------------------------------------------------------------------ 1079 // Assemble Linear QFunction 1080 //------------------------------------------------------------------------------ 1081 static int CeedOperatorLinearAssembleQFunctionAtPoints_Ref(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 1082 return CeedOperatorLinearAssembleQFunctionAtPointsCore_Ref(op, true, assembled, rstr, request); 1083 } 1084 1085 //------------------------------------------------------------------------------ 1086 // Update Assembled Linear QFunction 1087 //------------------------------------------------------------------------------ 1088 static int CeedOperatorLinearAssembleQFunctionAtPointsUpdate_Ref(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, 1089 CeedRequest *request) { 1090 return CeedOperatorLinearAssembleQFunctionAtPointsCore_Ref(op, false, &assembled, &rstr, request); 1091 } 1092 1093 //------------------------------------------------------------------------------ 1094 // Assemble Operator 1095 //------------------------------------------------------------------------------ 1096 1097 //------------------------------------------------------------------------------ 1098 // Operator Destroy 1099 //------------------------------------------------------------------------------ 1100 static int CeedOperatorDestroy_Ref(CeedOperator op) { 1101 CeedOperator_Ref *impl; 1102 1103 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1104 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 1105 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 1106 } 1107 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 1108 CeedCallBackend(CeedFree(&impl->input_states)); 1109 1110 for (CeedInt i = 0; i < impl->num_inputs; i++) { 1111 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 1112 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 1113 } 1114 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 1115 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 1116 1117 for (CeedInt i = 0; i < impl->num_outputs; i++) { 1118 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 1119 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 1120 } 1121 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 1122 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 1123 CeedCallBackend(CeedVectorDestroy(&impl->point_coords_elem)); 1124 1125 // QFunction assembly 1126 for (CeedInt i = 0; i < impl->num_active_in; i++) { 1127 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 1128 } 1129 CeedCallBackend(CeedFree(&impl->qf_active_in)); 1130 1131 CeedCallBackend(CeedFree(&impl)); 1132 return CEED_ERROR_SUCCESS; 1133 } 1134 1135 //------------------------------------------------------------------------------ 1136 // Operator Create 1137 //------------------------------------------------------------------------------ 1138 int CeedOperatorCreate_Ref(CeedOperator op) { 1139 Ceed ceed; 1140 CeedOperator_Ref *impl; 1141 1142 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1143 CeedCallBackend(CeedCalloc(1, &impl)); 1144 CeedCallBackend(CeedOperatorSetData(op, impl)); 1145 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Ref)); 1146 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Ref)); 1147 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Ref)); 1148 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Ref)); 1149 return CEED_ERROR_SUCCESS; 1150 } 1151 1152 //------------------------------------------------------------------------------ 1153 // Operator Create At Points 1154 //------------------------------------------------------------------------------ 1155 int CeedOperatorCreateAtPoints_Ref(CeedOperator op) { 1156 Ceed ceed; 1157 CeedOperator_Ref *impl; 1158 1159 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1160 CeedCallBackend(CeedCalloc(1, &impl)); 1161 CeedCallBackend(CeedOperatorSetData(op, impl)); 1162 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunctionAtPoints_Ref)); 1163 CeedCallBackend( 1164 CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionAtPointsUpdate_Ref)); 1165 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAddAtPoints_Ref)); 1166 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Ref)); 1167 return CEED_ERROR_SUCCESS; 1168 } 1169 1170 //------------------------------------------------------------------------------ 1171