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 <stdint.h> 12 #include <string.h> 13 14 #include "ceed-opt.h" 15 16 //------------------------------------------------------------------------------ 17 // Setup Input/Output Fields 18 //------------------------------------------------------------------------------ 19 static int CeedOperatorSetupFields_Opt(CeedQFunction qf, CeedOperator op, bool is_input, const CeedInt blk_size, CeedElemRestriction *blk_restr, 20 CeedVector *e_vecs_full, CeedVector *e_vecs, CeedVector *q_vecs, CeedInt start_e, CeedInt num_fields, 21 CeedInt Q) { 22 CeedInt num_comp, size, P; 23 CeedSize e_size, q_size; 24 Ceed ceed; 25 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 26 CeedBasis basis; 27 CeedElemRestriction r; 28 CeedOperatorField *op_fields; 29 CeedQFunctionField *qf_fields; 30 if (is_input) { 31 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 32 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 33 } else { 34 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 35 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 36 } 37 38 // Loop over fields 39 for (CeedInt i = 0; i < num_fields; i++) { 40 CeedEvalMode eval_mode; 41 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 42 43 if (eval_mode != CEED_EVAL_WEIGHT) { 44 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &r)); 45 Ceed ceed; 46 CeedCallBackend(CeedElemRestrictionGetCeed(r, &ceed)); 47 CeedSize l_size; 48 CeedInt num_elem, elem_size, comp_stride; 49 CeedCallBackend(CeedElemRestrictionGetNumElements(r, &num_elem)); 50 CeedCallBackend(CeedElemRestrictionGetElementSize(r, &elem_size)); 51 CeedCallBackend(CeedElemRestrictionGetLVectorSize(r, &l_size)); 52 CeedCallBackend(CeedElemRestrictionGetNumComponents(r, &num_comp)); 53 54 bool strided; 55 CeedCallBackend(CeedElemRestrictionIsStrided(r, &strided)); 56 if (strided) { 57 CeedInt strides[3]; 58 CeedCallBackend(CeedElemRestrictionGetStrides(r, &strides)); 59 CeedCallBackend( 60 CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, elem_size, blk_size, num_comp, l_size, strides, &blk_restr[i + start_e])); 61 } else { 62 const CeedInt *offsets = NULL; 63 CeedCallBackend(CeedElemRestrictionGetOffsets(r, CEED_MEM_HOST, &offsets)); 64 CeedCallBackend(CeedElemRestrictionGetCompStride(r, &comp_stride)); 65 CeedCallBackend(CeedElemRestrictionCreateBlocked(ceed, num_elem, elem_size, blk_size, num_comp, comp_stride, l_size, CEED_MEM_HOST, 66 CEED_COPY_VALUES, offsets, &blk_restr[i + start_e])); 67 CeedCallBackend(CeedElemRestrictionRestoreOffsets(r, &offsets)); 68 } 69 CeedCallBackend(CeedElemRestrictionCreateVector(blk_restr[i + start_e], NULL, &e_vecs_full[i + start_e])); 70 } 71 72 switch (eval_mode) { 73 case CEED_EVAL_NONE: 74 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 75 e_size = (CeedSize)Q * size * blk_size; 76 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 77 q_size = (CeedSize)Q * size * blk_size; 78 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 79 break; 80 case CEED_EVAL_INTERP: 81 case CEED_EVAL_GRAD: 82 case CEED_EVAL_DIV: 83 case CEED_EVAL_CURL: 84 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 85 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 86 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 87 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 88 e_size = (CeedSize)P * num_comp * blk_size; 89 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 90 q_size = (CeedSize)Q * size * blk_size; 91 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 92 break; 93 case CEED_EVAL_WEIGHT: // Only on input fields 94 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 95 q_size = (CeedSize)Q * blk_size; 96 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 97 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 98 break; 99 } 100 if (is_input && !!e_vecs[i]) { 101 CeedCallBackend(CeedVectorSetArray(e_vecs[i], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 102 } 103 } 104 return CEED_ERROR_SUCCESS; 105 } 106 107 //------------------------------------------------------------------------------ 108 // Setup Operator 109 //------------------------------------------------------------------------------ 110 static int CeedOperatorSetup_Opt(CeedOperator op) { 111 bool is_setup_done; 112 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 113 if (is_setup_done) return CEED_ERROR_SUCCESS; 114 Ceed ceed; 115 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 116 Ceed_Opt *ceed_impl; 117 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 118 const CeedInt blk_size = ceed_impl->blk_size; 119 CeedOperator_Opt *impl; 120 CeedCallBackend(CeedOperatorGetData(op, &impl)); 121 CeedQFunction qf; 122 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 123 CeedInt Q, num_input_fields, num_output_fields; 124 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 125 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 126 CeedOperatorField *op_input_fields, *op_output_fields; 127 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 128 CeedQFunctionField *qf_input_fields, *qf_output_fields; 129 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 130 131 // Allocate 132 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->blk_restr)); 133 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 134 135 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 136 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 137 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 138 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 139 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 140 141 impl->num_inputs = num_input_fields; 142 impl->num_outputs = num_output_fields; 143 144 // Set up infield and outfield pointer arrays 145 // Infields 146 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, true, blk_size, impl->blk_restr, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, 147 num_input_fields, Q)); 148 // Outfields 149 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, false, blk_size, impl->blk_restr, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, 150 num_input_fields, num_output_fields, Q)); 151 152 // Identity QFunctions 153 if (impl->is_identity_qf) { 154 CeedEvalMode in_mode, out_mode; 155 CeedQFunctionField *in_fields, *out_fields; 156 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 157 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 158 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 159 160 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 161 impl->is_identity_restr_op = true; 162 } else { 163 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[0])); 164 impl->q_vecs_out[0] = impl->q_vecs_in[0]; 165 CeedCallBackend(CeedVectorAddReference(impl->q_vecs_in[0])); 166 } 167 } 168 169 CeedCallBackend(CeedOperatorSetSetupDone(op)); 170 171 return CEED_ERROR_SUCCESS; 172 } 173 174 //------------------------------------------------------------------------------ 175 // Setup Input Fields 176 //------------------------------------------------------------------------------ 177 static inline int CeedOperatorSetupInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 178 CeedVector in_vec, CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, 179 CeedRequest *request) { 180 CeedEvalMode eval_mode; 181 CeedVector vec; 182 uint64_t state; 183 184 for (CeedInt i = 0; i < num_input_fields; i++) { 185 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 186 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 187 } else { 188 // Get input vector 189 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 190 if (vec != CEED_VECTOR_ACTIVE) { 191 // Restrict 192 CeedCallBackend(CeedVectorGetState(vec, &state)); 193 if (state != impl->input_states[i]) { 194 CeedCallBackend(CeedElemRestrictionApply(impl->blk_restr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 195 impl->input_states[i] = state; 196 } 197 // Get evec 198 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 199 } else { 200 // Set Qvec for CEED_EVAL_NONE 201 if (eval_mode == CEED_EVAL_NONE) { 202 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_in[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 203 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i])); 204 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_in[i], (const CeedScalar **)&e_data[i])); 205 } 206 } 207 } 208 } 209 return CEED_ERROR_SUCCESS; 210 } 211 212 //------------------------------------------------------------------------------ 213 // Input Basis Action 214 //------------------------------------------------------------------------------ 215 static inline int CeedOperatorInputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 216 CeedInt num_input_fields, CeedInt blk_size, CeedVector in_vec, bool skip_active, 217 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, CeedRequest *request) { 218 CeedInt elem_size, size, num_comp; 219 CeedElemRestriction elem_restr; 220 CeedEvalMode eval_mode; 221 CeedBasis basis; 222 CeedVector vec; 223 224 for (CeedInt i = 0; i < num_input_fields; i++) { 225 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 226 // Skip active input 227 if (skip_active) { 228 if (vec == CEED_VECTOR_ACTIVE) continue; 229 } 230 231 CeedInt active_in = 0; 232 // Get elem_size, eval_mode, size 233 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_restr)); 234 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_restr, &elem_size)); 235 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 236 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 237 // Restrict block active input 238 if (vec == CEED_VECTOR_ACTIVE) { 239 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[i], e / blk_size, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[i], request)); 240 active_in = 1; 241 } 242 // Basis action 243 switch (eval_mode) { 244 case CEED_EVAL_NONE: 245 if (!active_in) { 246 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * Q * size])); 247 } 248 break; 249 case CEED_EVAL_INTERP: 250 case CEED_EVAL_GRAD: 251 case CEED_EVAL_DIV: 252 case CEED_EVAL_CURL: 253 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 254 if (!active_in) { 255 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 256 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * elem_size * num_comp])); 257 } 258 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 259 break; 260 case CEED_EVAL_WEIGHT: 261 break; // No action 262 } 263 } 264 return CEED_ERROR_SUCCESS; 265 } 266 267 //------------------------------------------------------------------------------ 268 // Output Basis Action 269 //------------------------------------------------------------------------------ 270 static inline int CeedOperatorOutputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 271 CeedInt blk_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 272 CeedVector out_vec, CeedOperator_Opt *impl, CeedRequest *request) { 273 CeedElemRestriction elem_restr; 274 CeedEvalMode eval_mode; 275 CeedBasis basis; 276 CeedVector vec; 277 278 for (CeedInt i = 0; i < num_output_fields; i++) { 279 // Get elem_size, eval_mode, size 280 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_restr)); 281 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 282 // Basis action 283 switch (eval_mode) { 284 case CEED_EVAL_NONE: 285 break; // No action 286 case CEED_EVAL_INTERP: 287 case CEED_EVAL_GRAD: 288 case CEED_EVAL_DIV: 289 case CEED_EVAL_CURL: 290 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 291 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 292 break; 293 // LCOV_EXCL_START 294 case CEED_EVAL_WEIGHT: { 295 Ceed ceed; 296 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 297 return CeedError(ceed, CEED_ERROR_BACKEND, 298 "CEED_EVAL_WEIGHT cannot be an output " 299 "evaluation mode"); 300 // LCOV_EXCL_STOP 301 } 302 } 303 // Restrict output block 304 // Get output vector 305 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 306 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 307 // Restrict 308 CeedCallBackend( 309 CeedElemRestrictionApplyBlock(impl->blk_restr[i + impl->num_inputs], e / blk_size, CEED_TRANSPOSE, impl->e_vecs_out[i], vec, request)); 310 } 311 return CEED_ERROR_SUCCESS; 312 } 313 314 //------------------------------------------------------------------------------ 315 // Restore Input Vectors 316 //------------------------------------------------------------------------------ 317 static inline int CeedOperatorRestoreInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 318 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl) { 319 for (CeedInt i = 0; i < num_input_fields; i++) { 320 CeedEvalMode eval_mode; 321 CeedVector vec; 322 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 323 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 324 if (eval_mode != CEED_EVAL_WEIGHT && vec != CEED_VECTOR_ACTIVE) { 325 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data[i])); 326 } 327 } 328 return CEED_ERROR_SUCCESS; 329 } 330 331 //------------------------------------------------------------------------------ 332 // Operator Apply 333 //------------------------------------------------------------------------------ 334 static int CeedOperatorApplyAdd_Opt(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 335 Ceed ceed; 336 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 337 Ceed_Opt *ceed_impl; 338 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 339 CeedInt blk_size = ceed_impl->blk_size; 340 CeedOperator_Opt *impl; 341 CeedCallBackend(CeedOperatorGetData(op, &impl)); 342 CeedInt Q, num_input_fields, num_output_fields, num_elem; 343 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 344 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 345 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 346 CeedQFunction qf; 347 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 348 CeedOperatorField *op_input_fields, *op_output_fields; 349 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 350 CeedQFunctionField *qf_input_fields, *qf_output_fields; 351 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 352 CeedEvalMode eval_mode; 353 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 354 355 // Setup 356 CeedCallBackend(CeedOperatorSetup_Opt(op)); 357 358 // Restriction only operator 359 if (impl->is_identity_restr_op) { 360 for (CeedInt b = 0; b < num_blks; b++) { 361 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[0], b, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[0], request)); 362 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[1], b, CEED_TRANSPOSE, impl->e_vecs_in[0], out_vec, request)); 363 } 364 return CEED_ERROR_SUCCESS; 365 } 366 367 // Input Evecs and Restriction 368 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, in_vec, e_data, impl, request)); 369 370 // Output Lvecs, Evecs, and Qvecs 371 for (CeedInt i = 0; i < num_output_fields; i++) { 372 // Set Qvec if needed 373 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 374 if (eval_mode == CEED_EVAL_NONE) { 375 // Set qvec to single block evec 376 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_HOST, &e_data[i + num_input_fields])); 377 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i + num_input_fields])); 378 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_out[i], &e_data[i + num_input_fields])); 379 } 380 } 381 382 // Loop through elements 383 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 384 // Input basis apply 385 CeedCallBackend( 386 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, in_vec, false, e_data, impl, request)); 387 388 // Q function 389 if (!impl->is_identity_qf) { 390 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 391 } 392 393 // Output basis apply and restrict 394 CeedCallBackend(CeedOperatorOutputBasis_Opt(e, Q, qf_output_fields, op_output_fields, blk_size, num_input_fields, num_output_fields, op, out_vec, 395 impl, request)); 396 } 397 398 // Restore input arrays 399 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 400 401 return CEED_ERROR_SUCCESS; 402 } 403 404 //------------------------------------------------------------------------------ 405 // Core code for linear QFunction assembly 406 //------------------------------------------------------------------------------ 407 static inline int CeedOperatorLinearAssembleQFunctionCore_Opt(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 408 CeedRequest *request) { 409 Ceed ceed; 410 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 411 Ceed_Opt *ceed_impl; 412 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 413 const CeedInt blk_size = ceed_impl->blk_size; 414 CeedSize q_size; 415 CeedOperator_Opt *impl; 416 CeedCallBackend(CeedOperatorGetData(op, &impl)); 417 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 418 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 419 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 420 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 421 CeedQFunction qf; 422 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 423 CeedOperatorField *op_input_fields, *op_output_fields; 424 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 425 CeedQFunctionField *qf_input_fields, *qf_output_fields; 426 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 427 CeedVector vec, l_vec = impl->qf_l_vec; 428 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 429 CeedVector *active_in = impl->qf_active_in; 430 CeedScalar *a, *tmp; 431 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 432 433 // Setup 434 CeedCallBackend(CeedOperatorSetup_Opt(op)); 435 436 // Check for identity 437 if (impl->is_identity_qf) { 438 // LCOV_EXCL_START 439 return CeedError(ceed, CEED_ERROR_BACKEND, "Assembling identity qfunctions not supported"); 440 // LCOV_EXCL_STOP 441 } 442 443 // Input Evecs and Restriction 444 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, NULL, e_data, impl, request)); 445 446 // Count number of active input fields 447 if (!num_active_in) { 448 for (CeedInt i = 0; i < num_input_fields; i++) { 449 // Get input vector 450 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 451 // Check if active input 452 if (vec == CEED_VECTOR_ACTIVE) { 453 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 454 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 455 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &tmp)); 456 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 457 for (CeedInt field = 0; field < size; field++) { 458 q_size = (CeedSize)Q * blk_size; 459 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 460 CeedCallBackend(CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &tmp[field * Q * blk_size])); 461 } 462 num_active_in += size; 463 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &tmp)); 464 } 465 } 466 impl->num_active_in = num_active_in; 467 impl->qf_active_in = active_in; 468 } 469 470 // Count number of active output fields 471 if (!num_active_out) { 472 for (CeedInt i = 0; i < num_output_fields; i++) { 473 // Get output vector 474 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 475 // Check if active output 476 if (vec == CEED_VECTOR_ACTIVE) { 477 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 478 num_active_out += size; 479 } 480 } 481 impl->num_active_out = num_active_out; 482 } 483 484 // Check sizes 485 if (!num_active_in || !num_active_out) { 486 // LCOV_EXCL_START 487 return CeedError(ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 488 // LCOV_EXCL_STOP 489 } 490 491 // Setup l_vec 492 if (!l_vec) { 493 CeedSize l_size = (CeedSize)blk_size * Q * num_active_in * num_active_out; 494 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 495 CeedCallBackend(CeedVectorSetValue(l_vec, 0.0)); 496 impl->qf_l_vec = l_vec; 497 } 498 499 // Build objects if needed 500 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 501 if (build_objects) { 502 // Create output restriction 503 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed, num_elem, Q, num_active_in * num_active_out, num_active_in * num_active_out * num_elem * Q, 504 strides, rstr)); 505 // Create assembled vector 506 CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 507 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 508 } 509 510 // Output blocked restriction 511 CeedElemRestriction blk_rstr = impl->qf_blk_rstr; 512 if (!blk_rstr) { 513 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, blk_size, num_active_in * num_active_out, 514 num_active_in * num_active_out * num_elem * Q, strides, &blk_rstr)); 515 impl->qf_blk_rstr = blk_rstr; 516 } 517 518 // Loop through elements 519 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 520 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 521 CeedCallBackend(CeedVectorGetArray(l_vec, CEED_MEM_HOST, &a)); 522 523 // Input basis apply 524 CeedCallBackend( 525 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, NULL, true, e_data, impl, request)); 526 527 // Assemble QFunction 528 for (CeedInt in = 0; in < num_active_in; in++) { 529 // Set Inputs 530 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 531 if (num_active_in > 1) { 532 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 533 } 534 // Set Outputs 535 for (CeedInt out = 0; out < num_output_fields; out++) { 536 // Get output vector 537 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 538 // Check if active output 539 if (vec == CEED_VECTOR_ACTIVE) { 540 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, a)); 541 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 542 a += size * Q * blk_size; // Advance the pointer by the size of the output 543 } 544 } 545 // Apply QFunction 546 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 547 } 548 549 // Assemble into assembled vector 550 CeedCallBackend(CeedVectorRestoreArray(l_vec, &a)); 551 CeedCallBackend(CeedElemRestrictionApplyBlock(blk_rstr, e / blk_size, CEED_TRANSPOSE, l_vec, *assembled, request)); 552 } 553 554 // Un-set output Qvecs to prevent accidental overwrite of Assembled 555 for (CeedInt out = 0; out < num_output_fields; out++) { 556 // Get output vector 557 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 558 // Check if active output 559 if (vec == CEED_VECTOR_ACTIVE) { 560 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 561 } 562 } 563 564 // Restore input arrays 565 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 566 567 return CEED_ERROR_SUCCESS; 568 } 569 570 //------------------------------------------------------------------------------ 571 // Assemble Linear QFunction 572 //------------------------------------------------------------------------------ 573 static int CeedOperatorLinearAssembleQFunction_Opt(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 574 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, true, assembled, rstr, request); 575 } 576 577 //------------------------------------------------------------------------------ 578 // Update Assembled Linear QFunction 579 //------------------------------------------------------------------------------ 580 static int CeedOperatorLinearAssembleQFunctionUpdate_Opt(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 581 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, false, &assembled, &rstr, request); 582 } 583 584 //------------------------------------------------------------------------------ 585 // Operator Destroy 586 //------------------------------------------------------------------------------ 587 static int CeedOperatorDestroy_Opt(CeedOperator op) { 588 CeedOperator_Opt *impl; 589 CeedCallBackend(CeedOperatorGetData(op, &impl)); 590 591 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 592 CeedCallBackend(CeedElemRestrictionDestroy(&impl->blk_restr[i])); 593 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 594 } 595 CeedCallBackend(CeedFree(&impl->blk_restr)); 596 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 597 CeedCallBackend(CeedFree(&impl->input_states)); 598 599 for (CeedInt i = 0; i < impl->num_inputs; i++) { 600 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 601 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 602 } 603 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 604 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 605 606 for (CeedInt i = 0; i < impl->num_outputs; i++) { 607 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 608 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 609 } 610 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 611 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 612 613 // QFunction assembly data 614 for (CeedInt i = 0; i < impl->num_active_in; i++) { 615 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 616 } 617 CeedCallBackend(CeedFree(&impl->qf_active_in)); 618 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 619 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_blk_rstr)); 620 621 CeedCallBackend(CeedFree(&impl)); 622 return CEED_ERROR_SUCCESS; 623 } 624 625 //------------------------------------------------------------------------------ 626 // Operator Create 627 //------------------------------------------------------------------------------ 628 int CeedOperatorCreate_Opt(CeedOperator op) { 629 Ceed ceed; 630 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 631 Ceed_Opt *ceed_impl; 632 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 633 CeedInt blk_size = ceed_impl->blk_size; 634 CeedOperator_Opt *impl; 635 636 CeedCallBackend(CeedCalloc(1, &impl)); 637 CeedCallBackend(CeedOperatorSetData(op, impl)); 638 639 if (blk_size != 1 && blk_size != 8) { 640 // LCOV_EXCL_START 641 return CeedError(ceed, CEED_ERROR_BACKEND, "Opt backend cannot use blocksize: %" CeedInt_FMT, blk_size); 642 // LCOV_EXCL_STOP 643 } 644 645 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Opt)); 646 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Opt)); 647 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Opt)); 648 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Opt)); 649 return CEED_ERROR_SUCCESS; 650 } 651 652 //------------------------------------------------------------------------------ 653