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(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 164 } 165 } 166 167 CeedCallBackend(CeedOperatorSetSetupDone(op)); 168 169 return CEED_ERROR_SUCCESS; 170 } 171 172 //------------------------------------------------------------------------------ 173 // Setup Input Fields 174 //------------------------------------------------------------------------------ 175 static inline int CeedOperatorSetupInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 176 CeedVector in_vec, CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, 177 CeedRequest *request) { 178 CeedEvalMode eval_mode; 179 CeedVector vec; 180 uint64_t state; 181 182 for (CeedInt i = 0; i < num_input_fields; i++) { 183 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 184 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 185 } else { 186 // Get input vector 187 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 188 if (vec != CEED_VECTOR_ACTIVE) { 189 // Restrict 190 CeedCallBackend(CeedVectorGetState(vec, &state)); 191 if (state != impl->input_states[i]) { 192 CeedCallBackend(CeedElemRestrictionApply(impl->blk_restr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 193 impl->input_states[i] = state; 194 } 195 // Get evec 196 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 197 } else { 198 // Set Qvec for CEED_EVAL_NONE 199 if (eval_mode == CEED_EVAL_NONE) { 200 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_in[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 201 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i])); 202 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_in[i], (const CeedScalar **)&e_data[i])); 203 } 204 } 205 } 206 } 207 return CEED_ERROR_SUCCESS; 208 } 209 210 //------------------------------------------------------------------------------ 211 // Input Basis Action 212 //------------------------------------------------------------------------------ 213 static inline int CeedOperatorInputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 214 CeedInt num_input_fields, CeedInt blk_size, CeedVector in_vec, bool skip_active, 215 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, CeedRequest *request) { 216 CeedInt elem_size, size, num_comp; 217 CeedElemRestriction elem_restr; 218 CeedEvalMode eval_mode; 219 CeedBasis basis; 220 CeedVector vec; 221 222 for (CeedInt i = 0; i < num_input_fields; i++) { 223 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 224 // Skip active input 225 if (skip_active) { 226 if (vec == CEED_VECTOR_ACTIVE) continue; 227 } 228 229 CeedInt active_in = 0; 230 // Get elem_size, eval_mode, size 231 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_restr)); 232 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_restr, &elem_size)); 233 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 234 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 235 // Restrict block active input 236 if (vec == CEED_VECTOR_ACTIVE) { 237 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[i], e / blk_size, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[i], request)); 238 active_in = 1; 239 } 240 // Basis action 241 switch (eval_mode) { 242 case CEED_EVAL_NONE: 243 if (!active_in) { 244 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * Q * size])); 245 } 246 break; 247 case CEED_EVAL_INTERP: 248 case CEED_EVAL_GRAD: 249 case CEED_EVAL_DIV: 250 case CEED_EVAL_CURL: 251 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 252 if (!active_in) { 253 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 254 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * elem_size * num_comp])); 255 } 256 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 257 break; 258 case CEED_EVAL_WEIGHT: 259 break; // No action 260 } 261 } 262 return CEED_ERROR_SUCCESS; 263 } 264 265 //------------------------------------------------------------------------------ 266 // Output Basis Action 267 //------------------------------------------------------------------------------ 268 static inline int CeedOperatorOutputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 269 CeedInt blk_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 270 CeedVector out_vec, CeedOperator_Opt *impl, CeedRequest *request) { 271 CeedElemRestriction elem_restr; 272 CeedEvalMode eval_mode; 273 CeedBasis basis; 274 CeedVector vec; 275 276 for (CeedInt i = 0; i < num_output_fields; i++) { 277 // Get elem_size, eval_mode, size 278 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_restr)); 279 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 280 // Basis action 281 switch (eval_mode) { 282 case CEED_EVAL_NONE: 283 break; // No action 284 case CEED_EVAL_INTERP: 285 case CEED_EVAL_GRAD: 286 case CEED_EVAL_DIV: 287 case CEED_EVAL_CURL: 288 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 289 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 290 break; 291 // LCOV_EXCL_START 292 case CEED_EVAL_WEIGHT: { 293 Ceed ceed; 294 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 295 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 296 // LCOV_EXCL_STOP 297 } 298 } 299 // Restrict output block 300 // Get output vector 301 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 302 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 303 // Restrict 304 CeedCallBackend( 305 CeedElemRestrictionApplyBlock(impl->blk_restr[i + impl->num_inputs], e / blk_size, CEED_TRANSPOSE, impl->e_vecs_out[i], vec, request)); 306 } 307 return CEED_ERROR_SUCCESS; 308 } 309 310 //------------------------------------------------------------------------------ 311 // Restore Input Vectors 312 //------------------------------------------------------------------------------ 313 static inline int CeedOperatorRestoreInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 314 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl) { 315 for (CeedInt i = 0; i < num_input_fields; i++) { 316 CeedEvalMode eval_mode; 317 CeedVector vec; 318 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 319 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 320 if (eval_mode != CEED_EVAL_WEIGHT && vec != CEED_VECTOR_ACTIVE) { 321 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data[i])); 322 } 323 } 324 return CEED_ERROR_SUCCESS; 325 } 326 327 //------------------------------------------------------------------------------ 328 // Operator Apply 329 //------------------------------------------------------------------------------ 330 static int CeedOperatorApplyAdd_Opt(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 331 Ceed ceed; 332 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 333 Ceed_Opt *ceed_impl; 334 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 335 CeedInt blk_size = ceed_impl->blk_size; 336 CeedOperator_Opt *impl; 337 CeedCallBackend(CeedOperatorGetData(op, &impl)); 338 CeedInt Q, num_input_fields, num_output_fields, num_elem; 339 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 340 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 341 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 342 CeedQFunction qf; 343 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 344 CeedOperatorField *op_input_fields, *op_output_fields; 345 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 346 CeedQFunctionField *qf_input_fields, *qf_output_fields; 347 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 348 CeedEvalMode eval_mode; 349 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 350 351 // Setup 352 CeedCallBackend(CeedOperatorSetup_Opt(op)); 353 354 // Restriction only operator 355 if (impl->is_identity_restr_op) { 356 for (CeedInt b = 0; b < num_blks; b++) { 357 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[0], b, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[0], request)); 358 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[1], b, CEED_TRANSPOSE, impl->e_vecs_in[0], out_vec, request)); 359 } 360 return CEED_ERROR_SUCCESS; 361 } 362 363 // Input Evecs and Restriction 364 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, in_vec, e_data, impl, request)); 365 366 // Output Lvecs, Evecs, and Qvecs 367 for (CeedInt i = 0; i < num_output_fields; i++) { 368 // Set Qvec if needed 369 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 370 if (eval_mode == CEED_EVAL_NONE) { 371 // Set qvec to single block evec 372 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_HOST, &e_data[i + num_input_fields])); 373 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i + num_input_fields])); 374 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_out[i], &e_data[i + num_input_fields])); 375 } 376 } 377 378 // Loop through elements 379 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 380 // Input basis apply 381 CeedCallBackend( 382 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, in_vec, false, e_data, impl, request)); 383 384 // Q function 385 if (!impl->is_identity_qf) { 386 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 387 } 388 389 // Output basis apply and restrict 390 CeedCallBackend(CeedOperatorOutputBasis_Opt(e, Q, qf_output_fields, op_output_fields, blk_size, num_input_fields, num_output_fields, op, out_vec, 391 impl, request)); 392 } 393 394 // Restore input arrays 395 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 396 397 return CEED_ERROR_SUCCESS; 398 } 399 400 //------------------------------------------------------------------------------ 401 // Core code for linear QFunction assembly 402 //------------------------------------------------------------------------------ 403 static inline int CeedOperatorLinearAssembleQFunctionCore_Opt(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 404 CeedRequest *request) { 405 Ceed ceed; 406 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 407 Ceed_Opt *ceed_impl; 408 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 409 const CeedInt blk_size = ceed_impl->blk_size; 410 CeedSize q_size; 411 CeedOperator_Opt *impl; 412 CeedCallBackend(CeedOperatorGetData(op, &impl)); 413 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 414 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 415 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 416 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 417 CeedQFunction qf; 418 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 419 CeedOperatorField *op_input_fields, *op_output_fields; 420 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 421 CeedQFunctionField *qf_input_fields, *qf_output_fields; 422 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 423 CeedVector vec, l_vec = impl->qf_l_vec; 424 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 425 CeedVector *active_in = impl->qf_active_in; 426 CeedScalar *a, *tmp; 427 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 428 429 // Setup 430 CeedCallBackend(CeedOperatorSetup_Opt(op)); 431 432 // Check for identity 433 CeedCheck(!impl->is_identity_qf, ceed, CEED_ERROR_BACKEND, "Assembling identity qfunctions not supported"); 434 435 // Input Evecs and Restriction 436 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, NULL, e_data, impl, request)); 437 438 // Count number of active input fields 439 if (!num_active_in) { 440 for (CeedInt i = 0; i < num_input_fields; i++) { 441 // Get input vector 442 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 443 // Check if active input 444 if (vec == CEED_VECTOR_ACTIVE) { 445 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 446 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 447 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &tmp)); 448 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 449 for (CeedInt field = 0; field < size; field++) { 450 q_size = (CeedSize)Q * blk_size; 451 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 452 CeedCallBackend(CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &tmp[field * Q * blk_size])); 453 } 454 num_active_in += size; 455 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &tmp)); 456 } 457 } 458 impl->num_active_in = num_active_in; 459 impl->qf_active_in = active_in; 460 } 461 462 // Count number of active output fields 463 if (!num_active_out) { 464 for (CeedInt i = 0; i < num_output_fields; i++) { 465 // Get output vector 466 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 467 // Check if active output 468 if (vec == CEED_VECTOR_ACTIVE) { 469 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 470 num_active_out += size; 471 } 472 } 473 impl->num_active_out = num_active_out; 474 } 475 476 // Check sizes 477 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 478 479 // Setup l_vec 480 if (!l_vec) { 481 CeedSize l_size = (CeedSize)blk_size * Q * num_active_in * num_active_out; 482 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 483 CeedCallBackend(CeedVectorSetValue(l_vec, 0.0)); 484 impl->qf_l_vec = l_vec; 485 } 486 487 // Build objects if needed 488 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 489 if (build_objects) { 490 // Create output restriction 491 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed, num_elem, Q, num_active_in * num_active_out, num_active_in * num_active_out * num_elem * Q, 492 strides, rstr)); 493 // Create assembled vector 494 CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 495 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 496 } 497 498 // Output blocked restriction 499 CeedElemRestriction blk_rstr = impl->qf_blk_rstr; 500 if (!blk_rstr) { 501 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, blk_size, num_active_in * num_active_out, 502 num_active_in * num_active_out * num_elem * Q, strides, &blk_rstr)); 503 impl->qf_blk_rstr = blk_rstr; 504 } 505 506 // Loop through elements 507 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 508 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 509 CeedCallBackend(CeedVectorGetArray(l_vec, CEED_MEM_HOST, &a)); 510 511 // Input basis apply 512 CeedCallBackend( 513 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, NULL, true, e_data, impl, request)); 514 515 // Assemble QFunction 516 for (CeedInt in = 0; in < num_active_in; in++) { 517 // Set Inputs 518 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 519 if (num_active_in > 1) { 520 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 521 } 522 // Set Outputs 523 for (CeedInt out = 0; out < num_output_fields; out++) { 524 // Get output vector 525 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 526 // Check if active output 527 if (vec == CEED_VECTOR_ACTIVE) { 528 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, a)); 529 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 530 a += size * Q * blk_size; // Advance the pointer by the size of the output 531 } 532 } 533 // Apply QFunction 534 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 535 } 536 537 // Assemble into assembled vector 538 CeedCallBackend(CeedVectorRestoreArray(l_vec, &a)); 539 CeedCallBackend(CeedElemRestrictionApplyBlock(blk_rstr, e / blk_size, CEED_TRANSPOSE, l_vec, *assembled, request)); 540 } 541 542 // Un-set output Qvecs to prevent accidental overwrite of Assembled 543 for (CeedInt out = 0; out < num_output_fields; out++) { 544 // Get output vector 545 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 546 // Check if active output 547 if (vec == CEED_VECTOR_ACTIVE) { 548 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 549 } 550 } 551 552 // Restore input arrays 553 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 554 555 return CEED_ERROR_SUCCESS; 556 } 557 558 //------------------------------------------------------------------------------ 559 // Assemble Linear QFunction 560 //------------------------------------------------------------------------------ 561 static int CeedOperatorLinearAssembleQFunction_Opt(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 562 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, true, assembled, rstr, request); 563 } 564 565 //------------------------------------------------------------------------------ 566 // Update Assembled Linear QFunction 567 //------------------------------------------------------------------------------ 568 static int CeedOperatorLinearAssembleQFunctionUpdate_Opt(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 569 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, false, &assembled, &rstr, request); 570 } 571 572 //------------------------------------------------------------------------------ 573 // Operator Destroy 574 //------------------------------------------------------------------------------ 575 static int CeedOperatorDestroy_Opt(CeedOperator op) { 576 CeedOperator_Opt *impl; 577 CeedCallBackend(CeedOperatorGetData(op, &impl)); 578 579 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 580 CeedCallBackend(CeedElemRestrictionDestroy(&impl->blk_restr[i])); 581 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 582 } 583 CeedCallBackend(CeedFree(&impl->blk_restr)); 584 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 585 CeedCallBackend(CeedFree(&impl->input_states)); 586 587 for (CeedInt i = 0; i < impl->num_inputs; i++) { 588 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 589 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 590 } 591 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 592 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 593 594 for (CeedInt i = 0; i < impl->num_outputs; i++) { 595 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 596 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 597 } 598 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 599 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 600 601 // QFunction assembly data 602 for (CeedInt i = 0; i < impl->num_active_in; i++) { 603 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 604 } 605 CeedCallBackend(CeedFree(&impl->qf_active_in)); 606 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 607 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_blk_rstr)); 608 609 CeedCallBackend(CeedFree(&impl)); 610 return CEED_ERROR_SUCCESS; 611 } 612 613 //------------------------------------------------------------------------------ 614 // Operator Create 615 //------------------------------------------------------------------------------ 616 int CeedOperatorCreate_Opt(CeedOperator op) { 617 Ceed ceed; 618 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 619 Ceed_Opt *ceed_impl; 620 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 621 CeedInt blk_size = ceed_impl->blk_size; 622 CeedOperator_Opt *impl; 623 624 CeedCallBackend(CeedCalloc(1, &impl)); 625 CeedCallBackend(CeedOperatorSetData(op, impl)); 626 627 CeedCheck(blk_size == 1 || blk_size == 8, ceed, CEED_ERROR_BACKEND, "Opt backend cannot use blocksize: %" CeedInt_FMT, blk_size); 628 629 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Opt)); 630 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Opt)); 631 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Opt)); 632 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Opt)); 633 return CEED_ERROR_SUCCESS; 634 } 635 636 //------------------------------------------------------------------------------ 637