1 // Copyright (c) 2017-2018, Lawrence Livermore National Security, LLC. 2 // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707. 3 // All Rights reserved. See files LICENSE and NOTICE for details. 4 // 5 // This file is part of CEED, a collection of benchmarks, miniapps, software 6 // libraries and APIs for efficient high-order finite element and spectral 7 // element discretizations for exascale applications. For more information and 8 // source code availability see http://github.com/ceed. 9 // 10 // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 11 // a collaborative effort of two U.S. Department of Energy organizations (Office 12 // of Science and the National Nuclear Security Administration) responsible for 13 // the planning and preparation of a capable exascale ecosystem, including 14 // software, applications, hardware, advanced system engineering and early 15 // testbed platforms, in support of the nation's exascale computing imperative. 16 17 #include <ceed/ceed.h> 18 #include <ceed/backend.h> 19 #include <stdbool.h> 20 #include <stdint.h> 21 #include <string.h> 22 #include "ceed-opt.h" 23 24 //------------------------------------------------------------------------------ 25 // Setup Input/Output Fields 26 //------------------------------------------------------------------------------ 27 static int CeedOperatorSetupFields_Opt(CeedQFunction qf, CeedOperator op, 28 bool is_input, const CeedInt blk_size, 29 CeedElemRestriction *blk_restr, 30 CeedVector *e_vecs_full, CeedVector *e_vecs, 31 CeedVector *q_vecs, CeedInt start_e, 32 CeedInt num_fields, CeedInt Q) { 33 CeedInt ierr, num_comp, size, P; 34 Ceed ceed; 35 ierr = CeedOperatorGetCeed(op, &ceed); CeedChkBackend(ierr); 36 CeedBasis basis; 37 CeedElemRestriction r; 38 CeedOperatorField *op_fields; 39 CeedQFunctionField *qf_fields; 40 if (is_input) { 41 ierr = CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL); 42 CeedChkBackend(ierr); 43 ierr = CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL); 44 CeedChkBackend(ierr); 45 } else { 46 ierr = CeedOperatorGetFields(op, NULL, NULL, NULL,&op_fields); 47 CeedChkBackend(ierr); 48 ierr = CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields); 49 CeedChkBackend(ierr); 50 } 51 52 // Loop over fields 53 for (CeedInt i=0; i<num_fields; i++) { 54 CeedEvalMode eval_mode; 55 ierr = CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode); 56 CeedChkBackend(ierr); 57 58 if (eval_mode != CEED_EVAL_WEIGHT) { 59 ierr = CeedOperatorFieldGetElemRestriction(op_fields[i], &r); 60 CeedChkBackend(ierr); 61 Ceed ceed; 62 ierr = CeedElemRestrictionGetCeed(r, &ceed); CeedChkBackend(ierr); 63 CeedInt num_elem, elem_size, l_size, comp_stride; 64 ierr = CeedElemRestrictionGetNumElements(r, &num_elem); CeedChkBackend(ierr); 65 ierr = CeedElemRestrictionGetElementSize(r, &elem_size); CeedChkBackend(ierr); 66 ierr = CeedElemRestrictionGetLVectorSize(r, &l_size); CeedChkBackend(ierr); 67 ierr = CeedElemRestrictionGetNumComponents(r, &num_comp); CeedChkBackend(ierr); 68 69 bool strided; 70 ierr = CeedElemRestrictionIsStrided(r, &strided); CeedChkBackend(ierr); 71 if (strided) { 72 CeedInt strides[3]; 73 ierr = CeedElemRestrictionGetStrides(r, &strides); CeedChkBackend(ierr); 74 ierr = CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, elem_size, 75 blk_size, num_comp, l_size, strides, &blk_restr[i+start_e]); 76 CeedChkBackend(ierr); 77 } else { 78 const CeedInt *offsets = NULL; 79 ierr = CeedElemRestrictionGetOffsets(r, CEED_MEM_HOST, &offsets); 80 CeedChkBackend(ierr); 81 ierr = CeedElemRestrictionGetCompStride(r, &comp_stride); CeedChkBackend(ierr); 82 ierr = CeedElemRestrictionCreateBlocked(ceed, num_elem, elem_size, 83 blk_size, num_comp, comp_stride, 84 l_size, CEED_MEM_HOST, 85 CEED_COPY_VALUES, offsets, 86 &blk_restr[i+start_e]); 87 CeedChkBackend(ierr); 88 ierr = CeedElemRestrictionRestoreOffsets(r, &offsets); CeedChkBackend(ierr); 89 } 90 ierr = CeedElemRestrictionCreateVector(blk_restr[i+start_e], NULL, 91 &e_vecs_full[i+start_e]); 92 CeedChkBackend(ierr); 93 } 94 95 switch(eval_mode) { 96 case CEED_EVAL_NONE: 97 ierr = CeedQFunctionFieldGetSize(qf_fields[i], &size); CeedChkBackend(ierr); 98 ierr = CeedVectorCreate(ceed, Q*size*blk_size, &e_vecs[i]); 99 CeedChkBackend(ierr); 100 ierr = CeedVectorCreate(ceed, Q*size*blk_size, &q_vecs[i]); 101 CeedChkBackend(ierr); 102 break; 103 case CEED_EVAL_INTERP: 104 case CEED_EVAL_GRAD: 105 ierr = CeedOperatorFieldGetBasis(op_fields[i], &basis); CeedChkBackend(ierr); 106 ierr = CeedQFunctionFieldGetSize(qf_fields[i], &size); CeedChkBackend(ierr); 107 ierr = CeedBasisGetNumNodes(basis, &P); CeedChkBackend(ierr); 108 ierr = CeedBasisGetNumComponents(basis, &num_comp); CeedChkBackend(ierr); 109 ierr = CeedVectorCreate(ceed, P*num_comp*blk_size, &e_vecs[i]); 110 CeedChkBackend(ierr); 111 ierr = CeedVectorCreate(ceed, Q*size*blk_size, &q_vecs[i]); 112 CeedChkBackend(ierr); 113 break; 114 case CEED_EVAL_WEIGHT: // Only on input fields 115 ierr = CeedOperatorFieldGetBasis(op_fields[i], &basis); CeedChkBackend(ierr); 116 ierr = CeedVectorCreate(ceed, Q*blk_size, &q_vecs[i]); CeedChkBackend(ierr); 117 ierr = CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, 118 CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i]); 119 CeedChkBackend(ierr); 120 121 break; 122 case CEED_EVAL_DIV: 123 break; // Not implemented 124 case CEED_EVAL_CURL: 125 break; // Not implemented 126 } 127 if (is_input && !!e_vecs[i]) { 128 ierr = CeedVectorSetArray(e_vecs[i], CEED_MEM_HOST, 129 CEED_COPY_VALUES, NULL); CeedChkBackend(ierr); 130 } 131 } 132 return CEED_ERROR_SUCCESS; 133 } 134 135 //------------------------------------------------------------------------------ 136 // Setup Operator 137 //------------------------------------------------------------------------------ 138 static int CeedOperatorSetup_Opt(CeedOperator op) { 139 int ierr; 140 bool is_setup_done; 141 ierr = CeedOperatorIsSetupDone(op, &is_setup_done); CeedChkBackend(ierr); 142 if (is_setup_done) return CEED_ERROR_SUCCESS; 143 Ceed ceed; 144 ierr = CeedOperatorGetCeed(op, &ceed); CeedChkBackend(ierr); 145 Ceed_Opt *ceed_impl; 146 ierr = CeedGetData(ceed, &ceed_impl); CeedChkBackend(ierr); 147 const CeedInt blk_size = ceed_impl->blk_size; 148 CeedOperator_Opt *impl; 149 ierr = CeedOperatorGetData(op, &impl); CeedChkBackend(ierr); 150 CeedQFunction qf; 151 ierr = CeedOperatorGetQFunction(op, &qf); CeedChkBackend(ierr); 152 CeedInt Q, num_input_fields, num_output_fields; 153 ierr = CeedOperatorGetNumQuadraturePoints(op, &Q); CeedChkBackend(ierr); 154 ierr = CeedQFunctionIsIdentity(qf, &impl->is_identity_qf); CeedChkBackend(ierr); 155 CeedOperatorField *op_input_fields, *op_output_fields; 156 ierr = CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, 157 &num_output_fields, &op_output_fields); 158 CeedChkBackend(ierr); 159 CeedQFunctionField *qf_input_fields, *qf_output_fields; 160 ierr = CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, 161 &qf_output_fields); 162 CeedChkBackend(ierr); 163 164 // Allocate 165 ierr = CeedCalloc(num_input_fields + num_output_fields, &impl->blk_restr); 166 CeedChkBackend(ierr); 167 ierr = CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full); 168 CeedChkBackend(ierr); 169 170 ierr = CeedCalloc(CEED_FIELD_MAX, &impl->input_states); CeedChkBackend(ierr); 171 ierr = CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in); CeedChkBackend(ierr); 172 ierr = CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out); CeedChkBackend(ierr); 173 ierr = CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in); CeedChkBackend(ierr); 174 ierr = CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out); CeedChkBackend(ierr); 175 176 impl->num_inputs = num_input_fields; 177 impl->num_outputs = num_output_fields; 178 179 // Set up infield and outfield pointer arrays 180 // Infields 181 ierr = CeedOperatorSetupFields_Opt(qf, op, true, blk_size, impl->blk_restr, 182 impl->e_vecs_full, impl->e_vecs_in, 183 impl->q_vecs_in, 0, num_input_fields, Q); 184 CeedChkBackend(ierr); 185 // Outfields 186 ierr = CeedOperatorSetupFields_Opt(qf, op, false, blk_size, impl->blk_restr, 187 impl->e_vecs_full, impl->e_vecs_out, 188 impl->q_vecs_out, num_input_fields, 189 num_output_fields, Q); 190 CeedChkBackend(ierr); 191 192 // Identity QFunctions 193 if (impl->is_identity_qf) { 194 CeedEvalMode in_mode, out_mode; 195 CeedQFunctionField *in_fields, *out_fields; 196 ierr = CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields); 197 CeedChkBackend(ierr); 198 ierr = CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode); 199 CeedChkBackend(ierr); 200 ierr = CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode); 201 CeedChkBackend(ierr); 202 203 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 204 impl->is_identity_restr_op = true; 205 } else { 206 ierr = CeedVectorDestroy(&impl->q_vecs_out[0]); CeedChkBackend(ierr); 207 impl->q_vecs_out[0] = impl->q_vecs_in[0]; 208 ierr = CeedVectorAddReference(impl->q_vecs_in[0]); CeedChkBackend(ierr); 209 } 210 } 211 212 ierr = CeedOperatorSetSetupDone(op); CeedChkBackend(ierr); 213 214 return CEED_ERROR_SUCCESS; 215 } 216 217 //------------------------------------------------------------------------------ 218 // Setup Input Fields 219 //------------------------------------------------------------------------------ 220 static inline int CeedOperatorSetupInputs_Opt(CeedInt num_input_fields, 221 CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 222 CeedVector in_vec, CeedScalar *e_data[2*CEED_FIELD_MAX], CeedOperator_Opt *impl, 223 CeedRequest *request) { 224 CeedInt ierr; 225 CeedEvalMode eval_mode; 226 CeedVector vec; 227 uint64_t state; 228 229 for (CeedInt i=0; i<num_input_fields; i++) { 230 ierr = CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode); 231 CeedChkBackend(ierr); 232 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 233 } else { 234 // Get input vector 235 ierr = CeedOperatorFieldGetVector(op_input_fields[i], &vec); 236 CeedChkBackend(ierr); 237 if (vec != CEED_VECTOR_ACTIVE) { 238 // Restrict 239 ierr = CeedVectorGetState(vec, &state); CeedChkBackend(ierr); 240 if (state != impl->input_states[i]) { 241 ierr = CeedElemRestrictionApply(impl->blk_restr[i], CEED_NOTRANSPOSE, 242 vec, impl->e_vecs_full[i], request); 243 CeedChkBackend(ierr); 244 impl->input_states[i] = state; 245 } 246 // Get evec 247 ierr = CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, 248 (const CeedScalar **) &e_data[i]); 249 CeedChkBackend(ierr); 250 } else { 251 // Set Qvec for CEED_EVAL_NONE 252 if (eval_mode == CEED_EVAL_NONE) { 253 ierr = CeedVectorGetArrayRead(impl->e_vecs_in[i], CEED_MEM_HOST, 254 (const CeedScalar **)&e_data[i]); 255 CeedChkBackend(ierr); 256 ierr = CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, 257 CEED_USE_POINTER, e_data[i]); CeedChkBackend(ierr); 258 ierr = CeedVectorRestoreArrayRead(impl->e_vecs_in[i], 259 (const CeedScalar **)&e_data[i]); 260 CeedChkBackend(ierr); 261 } 262 } 263 } 264 } 265 return CEED_ERROR_SUCCESS; 266 } 267 268 //------------------------------------------------------------------------------ 269 // Input Basis Action 270 //------------------------------------------------------------------------------ 271 static inline int CeedOperatorInputBasis_Opt(CeedInt e, CeedInt Q, 272 CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 273 CeedInt num_input_fields, CeedInt blk_size, CeedVector in_vec, bool skip_active, 274 CeedScalar *e_data[2*CEED_FIELD_MAX], CeedOperator_Opt *impl, 275 CeedRequest *request) { 276 CeedInt ierr; 277 CeedInt dim, elem_size, size; 278 CeedElemRestriction elem_restr; 279 CeedEvalMode eval_mode; 280 CeedBasis basis; 281 CeedVector vec; 282 283 for (CeedInt i=0; i<num_input_fields; i++) { 284 ierr = CeedOperatorFieldGetVector(op_input_fields[i], &vec); 285 CeedChkBackend(ierr); 286 // Skip active input 287 if (skip_active) { 288 if (vec == CEED_VECTOR_ACTIVE) 289 continue; 290 } 291 292 CeedInt active_in = 0; 293 // Get elem_size, eval_mode, size 294 ierr = CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_restr); 295 CeedChkBackend(ierr); 296 ierr = CeedElemRestrictionGetElementSize(elem_restr, &elem_size); 297 CeedChkBackend(ierr); 298 ierr = CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode); 299 CeedChkBackend(ierr); 300 ierr = CeedQFunctionFieldGetSize(qf_input_fields[i], &size); 301 CeedChkBackend(ierr); 302 // Restrict block active input 303 if (vec == CEED_VECTOR_ACTIVE) { 304 ierr = CeedElemRestrictionApplyBlock(impl->blk_restr[i], e/blk_size, 305 CEED_NOTRANSPOSE, in_vec, 306 impl->e_vecs_in[i], request); 307 CeedChkBackend(ierr); 308 active_in = 1; 309 } 310 // Basis action 311 switch(eval_mode) { 312 case CEED_EVAL_NONE: 313 if (!active_in) { 314 ierr = CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, 315 CEED_USE_POINTER, &e_data[i][e*Q*size]); 316 CeedChkBackend(ierr); 317 } 318 break; 319 case CEED_EVAL_INTERP: 320 ierr = CeedOperatorFieldGetBasis(op_input_fields[i], &basis); 321 CeedChkBackend(ierr); 322 if (!active_in) { 323 ierr = CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, 324 CEED_USE_POINTER, &e_data[i][e*elem_size*size]); 325 CeedChkBackend(ierr); 326 } 327 ierr = CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, 328 CEED_EVAL_INTERP, impl->e_vecs_in[i], 329 impl->q_vecs_in[i]); CeedChkBackend(ierr); 330 break; 331 case CEED_EVAL_GRAD: 332 ierr = CeedOperatorFieldGetBasis(op_input_fields[i], &basis); 333 CeedChkBackend(ierr); 334 if (!active_in) { 335 ierr = CeedBasisGetDimension(basis, &dim); CeedChkBackend(ierr); 336 ierr = CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, 337 CEED_USE_POINTER, 338 &e_data[i][e*elem_size*size/dim]); 339 CeedChkBackend(ierr); 340 } 341 ierr = CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, 342 CEED_EVAL_GRAD, impl->e_vecs_in[i], 343 impl->q_vecs_in[i]); CeedChkBackend(ierr); 344 break; 345 case CEED_EVAL_WEIGHT: 346 break; // No action 347 // LCOV_EXCL_START 348 case CEED_EVAL_DIV: 349 case CEED_EVAL_CURL: { 350 ierr = CeedOperatorFieldGetBasis(op_input_fields[i], &basis); 351 CeedChkBackend(ierr); 352 Ceed ceed; 353 ierr = CeedBasisGetCeed(basis, &ceed); CeedChkBackend(ierr); 354 return CeedError(ceed, CEED_ERROR_BACKEND, 355 "Ceed evaluation mode not implemented"); 356 // LCOV_EXCL_STOP 357 } 358 } 359 } 360 return CEED_ERROR_SUCCESS; 361 } 362 363 //------------------------------------------------------------------------------ 364 // Output Basis Action 365 //------------------------------------------------------------------------------ 366 static inline int CeedOperatorOutputBasis_Opt(CeedInt e, CeedInt Q, 367 CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 368 CeedInt blk_size, CeedInt num_input_fields, CeedInt num_output_fields, 369 CeedOperator op, CeedVector out_vec, CeedOperator_Opt *impl, 370 CeedRequest *request) { 371 CeedInt ierr; 372 CeedElemRestriction elem_restr; 373 CeedEvalMode eval_mode; 374 CeedBasis basis; 375 CeedVector vec; 376 377 for (CeedInt i=0; i<num_output_fields; i++) { 378 // Get elem_size, eval_mode, size 379 ierr = CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_restr); 380 CeedChkBackend(ierr); 381 ierr = CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode); 382 CeedChkBackend(ierr); 383 // Basis action 384 switch(eval_mode) { 385 case CEED_EVAL_NONE: 386 break; // No action 387 case CEED_EVAL_INTERP: 388 ierr = CeedOperatorFieldGetBasis(op_output_fields[i], &basis); 389 CeedChkBackend(ierr); 390 ierr = CeedBasisApply(basis, blk_size, CEED_TRANSPOSE, 391 CEED_EVAL_INTERP, impl->q_vecs_out[i], 392 impl->e_vecs_out[i]); CeedChkBackend(ierr); 393 break; 394 case CEED_EVAL_GRAD: 395 ierr = CeedOperatorFieldGetBasis(op_output_fields[i], &basis); 396 CeedChkBackend(ierr); 397 ierr = CeedBasisApply(basis, blk_size, CEED_TRANSPOSE, 398 CEED_EVAL_GRAD, impl->q_vecs_out[i], 399 impl->e_vecs_out[i]); CeedChkBackend(ierr); 400 break; 401 // LCOV_EXCL_START 402 case CEED_EVAL_WEIGHT: { 403 Ceed ceed; 404 ierr = CeedOperatorGetCeed(op, &ceed); CeedChkBackend(ierr); 405 return CeedError(ceed, CEED_ERROR_BACKEND, 406 "CEED_EVAL_WEIGHT cannot be an output " 407 "evaluation mode"); 408 } 409 case CEED_EVAL_DIV: 410 case CEED_EVAL_CURL: { 411 Ceed ceed; 412 ierr = CeedOperatorGetCeed(op, &ceed); CeedChkBackend(ierr); 413 return CeedError(ceed, CEED_ERROR_BACKEND, 414 "Ceed evaluation mode not implemented"); 415 // LCOV_EXCL_STOP 416 } 417 } 418 // Restrict output block 419 // Get output vector 420 ierr = CeedOperatorFieldGetVector(op_output_fields[i], &vec); 421 CeedChkBackend(ierr); 422 if (vec == CEED_VECTOR_ACTIVE) 423 vec = out_vec; 424 // Restrict 425 ierr = CeedElemRestrictionApplyBlock(impl->blk_restr[i+impl->num_inputs], 426 e/blk_size, CEED_TRANSPOSE, 427 impl->e_vecs_out[i], vec, request); 428 CeedChkBackend(ierr); 429 } 430 return CEED_ERROR_SUCCESS; 431 } 432 433 //------------------------------------------------------------------------------ 434 // Restore Input Vectors 435 //------------------------------------------------------------------------------ 436 static inline int CeedOperatorRestoreInputs_Opt(CeedInt num_input_fields, 437 CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 438 CeedScalar *e_data[2*CEED_FIELD_MAX], CeedOperator_Opt *impl) { 439 CeedInt ierr; 440 441 for (CeedInt i=0; i<num_input_fields; i++) { 442 CeedEvalMode eval_mode; 443 CeedVector vec; 444 ierr = CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode); 445 CeedChkBackend(ierr); 446 ierr = CeedOperatorFieldGetVector(op_input_fields[i], &vec); 447 CeedChkBackend(ierr); 448 if (eval_mode != CEED_EVAL_WEIGHT && vec != CEED_VECTOR_ACTIVE) { 449 ierr = CeedVectorRestoreArrayRead(impl->e_vecs_full[i], 450 (const CeedScalar **) &e_data[i]); 451 CeedChkBackend(ierr); 452 } 453 } 454 return CEED_ERROR_SUCCESS; 455 } 456 457 //------------------------------------------------------------------------------ 458 // Operator Apply 459 //------------------------------------------------------------------------------ 460 static int CeedOperatorApplyAdd_Opt(CeedOperator op, CeedVector in_vec, 461 CeedVector out_vec, CeedRequest *request) { 462 int ierr; 463 Ceed ceed; 464 ierr = CeedOperatorGetCeed(op, &ceed); CeedChkBackend(ierr); 465 Ceed_Opt *ceed_impl; 466 ierr = CeedGetData(ceed, &ceed_impl); CeedChkBackend(ierr); 467 CeedInt blk_size = ceed_impl->blk_size; 468 CeedOperator_Opt *impl; 469 ierr = CeedOperatorGetData(op, &impl); CeedChkBackend(ierr); 470 CeedInt Q, num_input_fields, num_output_fields, num_elem; 471 ierr = CeedOperatorGetNumElements(op, &num_elem); CeedChkBackend(ierr); 472 ierr = CeedOperatorGetNumQuadraturePoints(op, &Q); CeedChkBackend(ierr); 473 CeedInt num_blks = (num_elem/blk_size) + !!(num_elem%blk_size); 474 CeedQFunction qf; 475 ierr = CeedOperatorGetQFunction(op, &qf); CeedChkBackend(ierr); 476 CeedOperatorField *op_input_fields, *op_output_fields; 477 ierr = CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, 478 &num_output_fields, &op_output_fields); 479 CeedChkBackend(ierr); 480 CeedQFunctionField *qf_input_fields, *qf_output_fields; 481 ierr = CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, 482 &qf_output_fields); 483 CeedChkBackend(ierr); 484 CeedEvalMode eval_mode; 485 CeedScalar *e_data[2*CEED_FIELD_MAX] = {0}; 486 487 // Setup 488 ierr = CeedOperatorSetup_Opt(op); CeedChkBackend(ierr); 489 490 // Restriction only operator 491 if (impl->is_identity_restr_op) { 492 for (CeedInt b=0; b<num_blks; b++) { 493 ierr = CeedElemRestrictionApplyBlock(impl->blk_restr[0], b, CEED_NOTRANSPOSE, 494 in_vec, impl->e_vecs_in[0], request); CeedChkBackend(ierr); 495 ierr = CeedElemRestrictionApplyBlock(impl->blk_restr[1], b, CEED_TRANSPOSE, 496 impl->e_vecs_in[0], out_vec, request); CeedChkBackend(ierr); 497 } 498 return CEED_ERROR_SUCCESS; 499 } 500 501 // Input Evecs and Restriction 502 ierr = CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, 503 op_input_fields, in_vec, e_data, 504 impl, request); CeedChkBackend(ierr); 505 506 // Output Lvecs, Evecs, and Qvecs 507 for (CeedInt i=0; i<num_output_fields; i++) { 508 // Set Qvec if needed 509 ierr = CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode); 510 CeedChkBackend(ierr); 511 if (eval_mode == CEED_EVAL_NONE) { 512 // Set qvec to single block evec 513 ierr = CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_HOST, 514 &e_data[i + num_input_fields]); 515 CeedChkBackend(ierr); 516 ierr = CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, 517 CEED_USE_POINTER, e_data[i + num_input_fields]); 518 CeedChkBackend(ierr); 519 ierr = CeedVectorRestoreArray(impl->e_vecs_out[i], 520 &e_data[i + num_input_fields]); 521 CeedChkBackend(ierr); 522 } 523 } 524 525 // Loop through elements 526 for (CeedInt e=0; e<num_blks*blk_size; e+=blk_size) { 527 // Input basis apply 528 ierr = CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, 529 num_input_fields, blk_size, in_vec, false, 530 e_data, impl, request); CeedChkBackend(ierr); 531 532 // Q function 533 if (!impl->is_identity_qf) { 534 ierr = CeedQFunctionApply(qf, Q*blk_size, impl->q_vecs_in, impl->q_vecs_out); 535 CeedChkBackend(ierr); 536 } 537 538 // Output basis apply and restrict 539 ierr = CeedOperatorOutputBasis_Opt(e, Q, qf_output_fields, op_output_fields, 540 blk_size, num_input_fields, num_output_fields, 541 op, out_vec, impl, request); 542 CeedChkBackend(ierr); 543 } 544 545 // Restore input arrays 546 ierr = CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, 547 op_input_fields, e_data, impl); 548 CeedChkBackend(ierr); 549 550 return CEED_ERROR_SUCCESS; 551 } 552 553 //------------------------------------------------------------------------------ 554 // Core code for linear QFunction assembly 555 //------------------------------------------------------------------------------ 556 static inline int CeedOperatorLinearAssembleQFunctionCore_Opt(CeedOperator op, 557 bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 558 CeedRequest *request) { 559 int ierr; 560 Ceed ceed; 561 ierr = CeedOperatorGetCeed(op, &ceed); CeedChkBackend(ierr); 562 Ceed_Opt *ceed_impl; 563 ierr = CeedGetData(ceed, &ceed_impl); CeedChkBackend(ierr); 564 const CeedInt blk_size = ceed_impl->blk_size; 565 CeedOperator_Opt *impl; 566 ierr = CeedOperatorGetData(op, &impl); CeedChkBackend(ierr); 567 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 568 ierr = CeedOperatorGetNumElements(op, &num_elem); CeedChkBackend(ierr); 569 ierr = CeedOperatorGetNumQuadraturePoints(op, &Q); CeedChkBackend(ierr); 570 CeedInt num_blks = (num_elem/blk_size) + !!(num_elem%blk_size); 571 CeedQFunction qf; 572 ierr = CeedOperatorGetQFunction(op, &qf); CeedChkBackend(ierr); 573 CeedOperatorField *op_input_fields, *op_output_fields; 574 ierr = CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, 575 &num_output_fields, &op_output_fields); 576 CeedChkBackend(ierr); 577 CeedQFunctionField *qf_input_fields, *qf_output_fields; 578 ierr = CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, 579 &qf_output_fields); 580 CeedChkBackend(ierr); 581 CeedVector vec, l_vec = impl->qf_l_vec; 582 CeedInt num_active_in = impl->num_active_in, 583 num_active_out = impl->num_active_out; 584 CeedVector *active_in = impl->qf_active_in; 585 CeedScalar *a, *tmp; 586 CeedScalar *e_data[2*CEED_FIELD_MAX] = {0}; 587 588 // Setup 589 ierr = CeedOperatorSetup_Opt(op); CeedChkBackend(ierr); 590 591 // Check for identity 592 if (impl->is_identity_qf) 593 // LCOV_EXCL_START 594 return CeedError(ceed, CEED_ERROR_BACKEND, 595 "Assembling identity qfunctions not supported"); 596 // LCOV_EXCL_STOP 597 598 // Input Evecs and Restriction 599 ierr = CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, 600 op_input_fields, NULL, e_data, 601 impl, request); CeedChkBackend(ierr); 602 603 // Count number of active input fields 604 if (!num_active_in) { 605 for (CeedInt i=0; i<num_input_fields; i++) { 606 // Get input vector 607 ierr = CeedOperatorFieldGetVector(op_input_fields[i], &vec); 608 CeedChkBackend(ierr); 609 // Check if active input 610 if (vec == CEED_VECTOR_ACTIVE) { 611 ierr = CeedQFunctionFieldGetSize(qf_input_fields[i], &size); 612 CeedChkBackend(ierr); 613 ierr = CeedVectorSetValue(impl->q_vecs_in[i], 0.0); CeedChkBackend(ierr); 614 ierr = CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &tmp); 615 CeedChkBackend(ierr); 616 ierr = CeedRealloc(num_active_in + size, &active_in); CeedChkBackend(ierr); 617 for (CeedInt field=0; field<size; field++) { 618 ierr = CeedVectorCreate(ceed, Q*blk_size, &active_in[num_active_in+field]); 619 CeedChkBackend(ierr); 620 ierr = CeedVectorSetArray(active_in[num_active_in+field], CEED_MEM_HOST, 621 CEED_USE_POINTER, &tmp[field*Q*blk_size]); 622 CeedChkBackend(ierr); 623 } 624 num_active_in += size; 625 ierr = CeedVectorRestoreArray(impl->q_vecs_in[i], &tmp); CeedChkBackend(ierr); 626 } 627 } 628 impl->num_active_in = num_active_in; 629 impl->qf_active_in = active_in; 630 } 631 632 // Count number of active output fields 633 if (!num_active_out) { 634 for (CeedInt i=0; i<num_output_fields; i++) { 635 // Get output vector 636 ierr = CeedOperatorFieldGetVector(op_output_fields[i], &vec); 637 CeedChkBackend(ierr); 638 // Check if active output 639 if (vec == CEED_VECTOR_ACTIVE) { 640 ierr = CeedQFunctionFieldGetSize(qf_output_fields[i], &size); 641 CeedChkBackend(ierr); 642 num_active_out += size; 643 } 644 } 645 impl->num_active_out = num_active_out; 646 } 647 648 // Check sizes 649 if (!num_active_in || !num_active_out) 650 // LCOV_EXCL_START 651 return CeedError(ceed, CEED_ERROR_BACKEND, 652 "Cannot assemble QFunction without active inputs " 653 "and outputs"); 654 // LCOV_EXCL_STOP 655 656 // Setup l_vec 657 if (!l_vec) { 658 ierr = CeedVectorCreate(ceed, num_blks*blk_size*Q*num_active_in*num_active_out, 659 &l_vec); CeedChkBackend(ierr); 660 ierr = CeedVectorSetValue(l_vec, 0.0); CeedChkBackend(ierr); 661 impl->qf_l_vec = l_vec; 662 } 663 ierr = CeedVectorGetArray(l_vec, CEED_MEM_HOST, &a); CeedChkBackend(ierr); 664 665 // Build objects if needed 666 CeedInt strides[3] = {1, Q, num_active_in *num_active_out*Q}; 667 if (build_objects) { 668 // Create output restriction 669 ierr = CeedElemRestrictionCreateStrided(ceed, num_elem, Q, 670 num_active_in*num_active_out, 671 num_active_in*num_active_out*num_elem*Q, 672 strides, rstr); CeedChkBackend(ierr); 673 // Create assembled vector 674 ierr = CeedVectorCreate(ceed, num_elem*Q*num_active_in*num_active_out, 675 assembled); CeedChkBackend(ierr); 676 } 677 678 // Loop through elements 679 for (CeedInt e=0; e<num_blks*blk_size; e+=blk_size) { 680 // Input basis apply 681 ierr = CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, 682 num_input_fields, blk_size, NULL, true, 683 e_data, impl, request); CeedChkBackend(ierr); 684 685 // Assemble QFunction 686 for (CeedInt in=0; in<num_active_in; in++) { 687 // Set Inputs 688 ierr = CeedVectorSetValue(active_in[in], 1.0); CeedChkBackend(ierr); 689 if (num_active_in > 1) { 690 ierr = CeedVectorSetValue(active_in[(in+num_active_in-1)%num_active_in], 691 0.0); CeedChkBackend(ierr); 692 } 693 // Set Outputs 694 for (CeedInt out=0; out<num_output_fields; out++) { 695 // Get output vector 696 ierr = CeedOperatorFieldGetVector(op_output_fields[out], &vec); 697 CeedChkBackend(ierr); 698 // Check if active output 699 if (vec == CEED_VECTOR_ACTIVE) { 700 CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, 701 CEED_USE_POINTER, a); CeedChkBackend(ierr); 702 ierr = CeedQFunctionFieldGetSize(qf_output_fields[out], &size); 703 CeedChkBackend(ierr); 704 a += size*Q*blk_size; // Advance the pointer by the size of the output 705 } 706 } 707 // Apply QFunction 708 ierr = CeedQFunctionApply(qf, Q*blk_size, impl->q_vecs_in, impl->q_vecs_out); 709 CeedChkBackend(ierr); 710 } 711 } 712 713 // Un-set output Qvecs to prevent accidental overwrite of Assembled 714 for (CeedInt out=0; out<num_output_fields; out++) { 715 // Get output vector 716 ierr = CeedOperatorFieldGetVector(op_output_fields[out], &vec); 717 CeedChkBackend(ierr); 718 // Check if active output 719 if (vec == CEED_VECTOR_ACTIVE) { 720 CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_COPY_VALUES, 721 NULL); CeedChkBackend(ierr); 722 } 723 } 724 725 // Restore input arrays 726 ierr = CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, 727 op_input_fields, e_data, impl); 728 CeedChkBackend(ierr); 729 730 // Output blocked restriction 731 ierr = CeedVectorRestoreArray(l_vec, &a); CeedChkBackend(ierr); 732 ierr = CeedVectorSetValue(*assembled, 0.0); CeedChkBackend(ierr); 733 CeedElemRestriction blk_rstr = impl->qf_blk_rstr; 734 if (!blk_rstr) { 735 ierr = CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, blk_size, 736 num_active_in*num_active_out, num_active_in*num_active_out*num_elem*Q, 737 strides, &blk_rstr); CeedChkBackend(ierr); 738 impl->qf_blk_rstr = blk_rstr; 739 } 740 ierr = CeedElemRestrictionApply(blk_rstr, CEED_TRANSPOSE, l_vec, *assembled, 741 request); CeedChkBackend(ierr); 742 743 return CEED_ERROR_SUCCESS; 744 } 745 746 //------------------------------------------------------------------------------ 747 // Assemble Linear QFunction 748 //------------------------------------------------------------------------------ 749 static int CeedOperatorLinearAssembleQFunction_Opt(CeedOperator op, 750 CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 751 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, true, assembled, rstr, 752 request); 753 } 754 755 //------------------------------------------------------------------------------ 756 // Update Assembled Linear QFunction 757 //------------------------------------------------------------------------------ 758 static int CeedOperatorLinearAssembleQFunctionUpdate_Opt(CeedOperator op, 759 CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 760 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, false, &assembled, 761 &rstr, request); 762 } 763 764 //------------------------------------------------------------------------------ 765 // Operator Destroy 766 //------------------------------------------------------------------------------ 767 static int CeedOperatorDestroy_Opt(CeedOperator op) { 768 int ierr; 769 CeedOperator_Opt *impl; 770 ierr = CeedOperatorGetData(op, &impl); CeedChkBackend(ierr); 771 772 for (CeedInt i=0; i<impl->num_inputs+impl->num_outputs; i++) { 773 ierr = CeedElemRestrictionDestroy(&impl->blk_restr[i]); CeedChkBackend(ierr); 774 ierr = CeedVectorDestroy(&impl->e_vecs_full[i]); CeedChkBackend(ierr); 775 } 776 ierr = CeedFree(&impl->blk_restr); CeedChkBackend(ierr); 777 ierr = CeedFree(&impl->e_vecs_full); CeedChkBackend(ierr); 778 ierr = CeedFree(&impl->input_states); CeedChkBackend(ierr); 779 780 for (CeedInt i=0; i<impl->num_inputs; i++) { 781 ierr = CeedVectorDestroy(&impl->e_vecs_in[i]); CeedChkBackend(ierr); 782 ierr = CeedVectorDestroy(&impl->q_vecs_in[i]); CeedChkBackend(ierr); 783 } 784 ierr = CeedFree(&impl->e_vecs_in); CeedChkBackend(ierr); 785 ierr = CeedFree(&impl->q_vecs_in); CeedChkBackend(ierr); 786 787 for (CeedInt i=0; i<impl->num_outputs; i++) { 788 ierr = CeedVectorDestroy(&impl->e_vecs_out[i]); CeedChkBackend(ierr); 789 ierr = CeedVectorDestroy(&impl->q_vecs_out[i]); CeedChkBackend(ierr); 790 } 791 ierr = CeedFree(&impl->e_vecs_out); CeedChkBackend(ierr); 792 ierr = CeedFree(&impl->q_vecs_out); CeedChkBackend(ierr); 793 794 // QFunction assembly data 795 for (CeedInt i=0; i<impl->num_active_in; i++) { 796 ierr = CeedVectorDestroy(&impl->qf_active_in[i]); CeedChkBackend(ierr); 797 } 798 ierr = CeedFree(&impl->qf_active_in); CeedChkBackend(ierr); 799 ierr = CeedVectorDestroy(&impl->qf_l_vec); CeedChkBackend(ierr); 800 ierr = CeedElemRestrictionDestroy(&impl->qf_blk_rstr); CeedChkBackend(ierr); 801 802 ierr = CeedFree(&impl); CeedChkBackend(ierr); 803 return CEED_ERROR_SUCCESS; 804 } 805 806 //------------------------------------------------------------------------------ 807 // Operator Create 808 //------------------------------------------------------------------------------ 809 int CeedOperatorCreate_Opt(CeedOperator op) { 810 int ierr; 811 Ceed ceed; 812 ierr = CeedOperatorGetCeed(op, &ceed); CeedChkBackend(ierr); 813 Ceed_Opt *ceed_impl; 814 ierr = CeedGetData(ceed, &ceed_impl); CeedChkBackend(ierr); 815 CeedInt blk_size = ceed_impl->blk_size; 816 CeedOperator_Opt *impl; 817 818 ierr = CeedCalloc(1, &impl); CeedChkBackend(ierr); 819 ierr = CeedOperatorSetData(op, impl); CeedChkBackend(ierr); 820 821 if (blk_size != 1 && blk_size != 8) 822 // LCOV_EXCL_START 823 return CeedError(ceed, CEED_ERROR_BACKEND, 824 "Opt backend cannot use blocksize: %d", blk_size); 825 // LCOV_EXCL_STOP 826 827 ierr = CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", 828 CeedOperatorLinearAssembleQFunction_Opt); 829 CeedChkBackend(ierr); 830 ierr = CeedSetBackendFunction(ceed, "Operator", op, 831 "LinearAssembleQFunctionUpdate", 832 CeedOperatorLinearAssembleQFunctionUpdate_Opt); 833 CeedChkBackend(ierr); 834 ierr = CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", 835 CeedOperatorApplyAdd_Opt); CeedChkBackend(ierr); 836 ierr = CeedSetBackendFunction(ceed, "Operator", op, "Destroy", 837 CeedOperatorDestroy_Opt); CeedChkBackend(ierr); 838 return CEED_ERROR_SUCCESS; 839 } 840 //------------------------------------------------------------------------------ 841