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 block_size, CeedElemRestriction *block_rstr, 20 CeedVector *e_vecs_full, CeedVector *e_vecs, CeedVector *q_vecs, CeedInt start_e, CeedInt num_fields, 21 CeedInt Q) { 22 Ceed ceed; 23 CeedSize e_size, q_size; 24 CeedInt num_comp, size, P; 25 CeedQFunctionField *qf_fields; 26 CeedOperatorField *op_fields; 27 28 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 29 if (is_input) { 30 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 31 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 32 } else { 33 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 34 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 35 } 36 37 // Loop over fields 38 for (CeedInt i = 0; i < num_fields; i++) { 39 CeedEvalMode eval_mode; 40 CeedBasis basis; 41 42 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 43 if (eval_mode != CEED_EVAL_WEIGHT) { 44 Ceed ceed_rstr; 45 CeedSize l_size; 46 CeedInt num_elem, elem_size, comp_stride; 47 CeedRestrictionType rstr_type; 48 CeedElemRestriction rstr; 49 50 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr)); 51 CeedCallBackend(CeedElemRestrictionGetCeed(rstr, &ceed_rstr)); 52 CeedCallBackend(CeedElemRestrictionGetNumElements(rstr, &num_elem)); 53 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr, &elem_size)); 54 CeedCallBackend(CeedElemRestrictionGetLVectorSize(rstr, &l_size)); 55 CeedCallBackend(CeedElemRestrictionGetNumComponents(rstr, &num_comp)); 56 CeedCallBackend(CeedElemRestrictionGetCompStride(rstr, &comp_stride)); 57 58 CeedCallBackend(CeedElemRestrictionGetType(rstr, &rstr_type)); 59 switch (rstr_type) { 60 case CEED_RESTRICTION_STANDARD: { 61 const CeedInt *offsets = NULL; 62 63 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr, CEED_MEM_HOST, &offsets)); 64 CeedCallBackend(CeedElemRestrictionCreateBlocked(ceed_rstr, num_elem, elem_size, block_size, num_comp, comp_stride, l_size, CEED_MEM_HOST, 65 CEED_COPY_VALUES, offsets, &block_rstr[i + start_e])); 66 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr, &offsets)); 67 } break; 68 case CEED_RESTRICTION_ORIENTED: { 69 const bool *orients = NULL; 70 const CeedInt *offsets = NULL; 71 72 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr, CEED_MEM_HOST, &offsets)); 73 CeedCallBackend(CeedElemRestrictionGetOrientations(rstr, CEED_MEM_HOST, &orients)); 74 CeedCallBackend(CeedElemRestrictionCreateBlockedOriented(ceed_rstr, num_elem, elem_size, block_size, num_comp, comp_stride, l_size, 75 CEED_MEM_HOST, CEED_COPY_VALUES, offsets, orients, &block_rstr[i + start_e])); 76 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr, &offsets)); 77 CeedCallBackend(CeedElemRestrictionRestoreOrientations(rstr, &orients)); 78 } break; 79 case CEED_RESTRICTION_CURL_ORIENTED: { 80 const CeedInt8 *curl_orients = NULL; 81 const CeedInt *offsets = NULL; 82 83 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr, CEED_MEM_HOST, &offsets)); 84 CeedCallBackend(CeedElemRestrictionGetCurlOrientations(rstr, CEED_MEM_HOST, &curl_orients)); 85 CeedCallBackend(CeedElemRestrictionCreateBlockedCurlOriented(ceed_rstr, num_elem, elem_size, block_size, num_comp, comp_stride, l_size, 86 CEED_MEM_HOST, CEED_COPY_VALUES, offsets, curl_orients, 87 &block_rstr[i + start_e])); 88 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr, &offsets)); 89 CeedCallBackend(CeedElemRestrictionRestoreCurlOrientations(rstr, &curl_orients)); 90 } break; 91 case CEED_RESTRICTION_STRIDED: { 92 CeedInt strides[3]; 93 94 CeedCallBackend(CeedElemRestrictionGetStrides(rstr, &strides)); 95 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed_rstr, num_elem, elem_size, block_size, num_comp, l_size, strides, 96 &block_rstr[i + start_e])); 97 } break; 98 } 99 CeedCallBackend(CeedElemRestrictionCreateVector(block_rstr[i + start_e], NULL, &e_vecs_full[i + start_e])); 100 } 101 102 switch (eval_mode) { 103 case CEED_EVAL_NONE: 104 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 105 e_size = (CeedSize)Q * size * block_size; 106 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 107 q_size = (CeedSize)Q * size * block_size; 108 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 109 break; 110 case CEED_EVAL_INTERP: 111 case CEED_EVAL_GRAD: 112 case CEED_EVAL_DIV: 113 case CEED_EVAL_CURL: 114 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 115 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 116 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 117 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 118 e_size = (CeedSize)P * num_comp * block_size; 119 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 120 q_size = (CeedSize)Q * size * block_size; 121 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 122 break; 123 case CEED_EVAL_WEIGHT: // Only on input fields 124 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 125 q_size = (CeedSize)Q * block_size; 126 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 127 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 128 break; 129 } 130 if (is_input && e_vecs[i]) { 131 CeedCallBackend(CeedVectorSetArray(e_vecs[i], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 132 } 133 } 134 return CEED_ERROR_SUCCESS; 135 } 136 137 //------------------------------------------------------------------------------ 138 // Setup Operator 139 //------------------------------------------------------------------------------ 140 static int CeedOperatorSetup_Opt(CeedOperator op) { 141 Ceed ceed; 142 bool is_setup_done; 143 Ceed_Opt *ceed_impl; 144 CeedInt Q, num_input_fields, num_output_fields; 145 CeedQFunctionField *qf_input_fields, *qf_output_fields; 146 CeedQFunction qf; 147 CeedOperatorField *op_input_fields, *op_output_fields; 148 CeedOperator_Opt *impl; 149 150 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 151 if (is_setup_done) return CEED_ERROR_SUCCESS; 152 153 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 154 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 155 CeedCallBackend(CeedOperatorGetData(op, &impl)); 156 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 157 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 158 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 159 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 160 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 161 const CeedInt block_size = ceed_impl->block_size; 162 163 // Allocate 164 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->block_rstr)); 165 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 166 167 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 168 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 169 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 170 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 171 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 172 173 impl->num_inputs = num_input_fields; 174 impl->num_outputs = num_output_fields; 175 176 // Set up infield and outfield pointer arrays 177 // Infields 178 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, true, block_size, impl->block_rstr, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, 179 num_input_fields, Q)); 180 // Outfields 181 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, false, block_size, impl->block_rstr, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, 182 num_input_fields, num_output_fields, Q)); 183 184 // Identity QFunctions 185 if (impl->is_identity_qf) { 186 CeedEvalMode in_mode, out_mode; 187 CeedQFunctionField *in_fields, *out_fields; 188 189 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 190 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 191 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 192 193 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 194 impl->is_identity_rstr_op = true; 195 } else { 196 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 197 } 198 } 199 200 CeedCallBackend(CeedOperatorSetSetupDone(op)); 201 return CEED_ERROR_SUCCESS; 202 } 203 204 //------------------------------------------------------------------------------ 205 // Setup Input Fields 206 //------------------------------------------------------------------------------ 207 static inline int CeedOperatorSetupInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 208 CeedVector in_vec, CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, 209 CeedRequest *request) { 210 for (CeedInt i = 0; i < num_input_fields; i++) { 211 uint64_t state; 212 CeedEvalMode eval_mode; 213 CeedVector vec; 214 215 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 216 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 217 } else { 218 // Get input vector 219 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 220 if (vec != CEED_VECTOR_ACTIVE) { 221 // Restrict 222 CeedCallBackend(CeedVectorGetState(vec, &state)); 223 if (state != impl->input_states[i]) { 224 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 225 impl->input_states[i] = state; 226 } 227 // Get evec 228 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 229 } else { 230 // Set Qvec for CEED_EVAL_NONE 231 if (eval_mode == CEED_EVAL_NONE) { 232 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_in[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 233 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i])); 234 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_in[i], (const CeedScalar **)&e_data[i])); 235 } 236 } 237 } 238 } 239 return CEED_ERROR_SUCCESS; 240 } 241 242 //------------------------------------------------------------------------------ 243 // Input Basis Action 244 //------------------------------------------------------------------------------ 245 static inline int CeedOperatorInputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 246 CeedInt num_input_fields, CeedInt block_size, CeedVector in_vec, bool skip_active, 247 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, CeedRequest *request) { 248 for (CeedInt i = 0; i < num_input_fields; i++) { 249 bool is_active_input = false; 250 CeedInt elem_size, size, num_comp; 251 CeedEvalMode eval_mode; 252 CeedVector vec; 253 CeedElemRestriction elem_rstr; 254 CeedBasis basis; 255 256 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 257 // Skip active input 258 is_active_input = vec == CEED_VECTOR_ACTIVE; 259 if (skip_active && is_active_input) continue; 260 261 // Get elem_size, eval_mode, size 262 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); 263 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 264 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 265 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 266 // Restrict block active input 267 if (is_active_input) { 268 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->block_rstr[i], e / block_size, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[i], request)); 269 } 270 // Basis action 271 switch (eval_mode) { 272 case CEED_EVAL_NONE: 273 if (!is_active_input) { 274 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * Q * size])); 275 } 276 break; 277 case CEED_EVAL_INTERP: 278 case CEED_EVAL_GRAD: 279 case CEED_EVAL_DIV: 280 case CEED_EVAL_CURL: 281 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 282 if (!is_active_input) { 283 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 284 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * elem_size * num_comp])); 285 } 286 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 287 break; 288 case CEED_EVAL_WEIGHT: 289 break; // No action 290 } 291 } 292 return CEED_ERROR_SUCCESS; 293 } 294 295 //------------------------------------------------------------------------------ 296 // Output Basis Action 297 //------------------------------------------------------------------------------ 298 static inline int CeedOperatorOutputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 299 CeedInt block_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 300 CeedVector out_vec, CeedOperator_Opt *impl, CeedRequest *request) { 301 for (CeedInt i = 0; i < num_output_fields; i++) { 302 CeedEvalMode eval_mode; 303 CeedVector vec; 304 CeedElemRestriction elem_rstr; 305 CeedBasis basis; 306 307 // Get elem_size, eval_mode, size 308 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); 309 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 310 // Basis action 311 switch (eval_mode) { 312 case CEED_EVAL_NONE: 313 break; // No action 314 case CEED_EVAL_INTERP: 315 case CEED_EVAL_GRAD: 316 case CEED_EVAL_DIV: 317 case CEED_EVAL_CURL: 318 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 319 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 320 break; 321 // LCOV_EXCL_START 322 case CEED_EVAL_WEIGHT: { 323 Ceed ceed; 324 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 325 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 326 // LCOV_EXCL_STOP 327 } 328 } 329 // Restrict output block 330 // Get output vector 331 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 332 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 333 // Restrict 334 CeedCallBackend( 335 CeedElemRestrictionApplyBlock(impl->block_rstr[i + impl->num_inputs], e / block_size, CEED_TRANSPOSE, impl->e_vecs_out[i], vec, request)); 336 } 337 return CEED_ERROR_SUCCESS; 338 } 339 340 //------------------------------------------------------------------------------ 341 // Restore Input Vectors 342 //------------------------------------------------------------------------------ 343 static inline int CeedOperatorRestoreInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 344 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl) { 345 for (CeedInt i = 0; i < num_input_fields; i++) { 346 CeedEvalMode eval_mode; 347 CeedVector vec; 348 349 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 350 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 351 if (eval_mode != CEED_EVAL_WEIGHT && vec != CEED_VECTOR_ACTIVE) { 352 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data[i])); 353 } 354 } 355 return CEED_ERROR_SUCCESS; 356 } 357 358 //------------------------------------------------------------------------------ 359 // Operator Apply 360 //------------------------------------------------------------------------------ 361 static int CeedOperatorApplyAdd_Opt(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 362 Ceed ceed; 363 Ceed_Opt *ceed_impl; 364 CeedInt Q, num_input_fields, num_output_fields, num_elem; 365 CeedEvalMode eval_mode; 366 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 367 CeedQFunctionField *qf_input_fields, *qf_output_fields; 368 CeedQFunction qf; 369 CeedOperatorField *op_input_fields, *op_output_fields; 370 CeedOperator_Opt *impl; 371 372 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 373 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 374 CeedCallBackend(CeedOperatorGetData(op, &impl)); 375 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 376 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 377 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 378 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 379 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 380 const CeedInt block_size = ceed_impl->block_size; 381 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 382 383 // Setup 384 CeedCallBackend(CeedOperatorSetup_Opt(op)); 385 386 // Restriction only operator 387 if (impl->is_identity_rstr_op) { 388 for (CeedInt b = 0; b < num_blocks; b++) { 389 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->block_rstr[0], b, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[0], request)); 390 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->block_rstr[1], b, CEED_TRANSPOSE, impl->e_vecs_in[0], out_vec, request)); 391 } 392 return CEED_ERROR_SUCCESS; 393 } 394 395 // Input Evecs and Restriction 396 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, in_vec, e_data, impl, request)); 397 398 // Output Lvecs, Evecs, and Qvecs 399 for (CeedInt i = 0; i < num_output_fields; i++) { 400 // Set Qvec if needed 401 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 402 if (eval_mode == CEED_EVAL_NONE) { 403 // Set qvec to single block evec 404 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_HOST, &e_data[i + num_input_fields])); 405 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i + num_input_fields])); 406 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_out[i], &e_data[i + num_input_fields])); 407 } 408 } 409 410 // Loop through elements 411 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 412 // Input basis apply 413 CeedCallBackend( 414 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, in_vec, false, e_data, impl, request)); 415 416 // Q function 417 if (!impl->is_identity_qf) { 418 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 419 } 420 421 // Output basis apply and restriction 422 CeedCallBackend(CeedOperatorOutputBasis_Opt(e, Q, qf_output_fields, op_output_fields, block_size, num_input_fields, num_output_fields, op, 423 out_vec, impl, request)); 424 } 425 426 // Restore input arrays 427 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 428 return CEED_ERROR_SUCCESS; 429 } 430 431 //------------------------------------------------------------------------------ 432 // Core code for linear QFunction assembly 433 //------------------------------------------------------------------------------ 434 static inline int CeedOperatorLinearAssembleQFunctionCore_Opt(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 435 CeedRequest *request) { 436 Ceed ceed; 437 Ceed_Opt *ceed_impl; 438 CeedSize q_size; 439 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 440 CeedScalar *l_vec_array, *e_data[2 * CEED_FIELD_MAX] = {0}; 441 CeedQFunctionField *qf_input_fields, *qf_output_fields; 442 CeedQFunction qf; 443 CeedOperatorField *op_input_fields, *op_output_fields; 444 CeedOperator_Opt *impl; 445 446 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 447 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 448 CeedCallBackend(CeedOperatorGetData(op, &impl)); 449 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 450 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 451 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 452 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 453 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 454 const CeedInt block_size = ceed_impl->block_size; 455 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 456 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 457 CeedVector l_vec = impl->qf_l_vec; 458 CeedVector *active_in = impl->qf_active_in; 459 CeedElemRestriction block_rstr = impl->qf_block_rstr; 460 461 // Setup 462 CeedCallBackend(CeedOperatorSetup_Opt(op)); 463 464 // Check for identity 465 CeedCheck(!impl->is_identity_qf, ceed, CEED_ERROR_BACKEND, "Assembling identity QFunctions not supported"); 466 467 // Input Evecs and Restriction 468 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, NULL, e_data, impl, request)); 469 470 // Count number of active input fields 471 if (!num_active_in) { 472 for (CeedInt i = 0; i < num_input_fields; i++) { 473 CeedScalar *q_vec_array; 474 CeedVector vec; 475 476 // Get input vector 477 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 478 // Check if active input 479 if (vec == CEED_VECTOR_ACTIVE) { 480 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 481 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 482 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &q_vec_array)); 483 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 484 for (CeedInt field = 0; field < size; field++) { 485 q_size = (CeedSize)Q * block_size; 486 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 487 CeedCallBackend( 488 CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &q_vec_array[field * Q * block_size])); 489 } 490 num_active_in += size; 491 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &q_vec_array)); 492 } 493 } 494 impl->num_active_in = num_active_in; 495 impl->qf_active_in = active_in; 496 } 497 498 // Count number of active output fields 499 if (!num_active_out) { 500 for (CeedInt i = 0; i < num_output_fields; i++) { 501 CeedVector vec; 502 503 // Get output vector 504 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 505 // Check if active output 506 if (vec == CEED_VECTOR_ACTIVE) { 507 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 508 num_active_out += size; 509 } 510 } 511 impl->num_active_out = num_active_out; 512 } 513 514 // Check sizes 515 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 516 517 // Setup l_vec 518 if (!l_vec) { 519 const CeedSize l_size = (CeedSize)block_size * Q * num_active_in * num_active_out; 520 521 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 522 CeedCallBackend(CeedVectorSetValue(l_vec, 0.0)); 523 impl->qf_l_vec = l_vec; 524 } 525 526 // Output blocked restriction 527 if (!block_rstr) { 528 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 529 530 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, block_size, num_active_in * num_active_out, 531 num_active_in * num_active_out * num_elem * Q, strides, &block_rstr)); 532 impl->qf_block_rstr = block_rstr; 533 } 534 535 // Build objects if needed 536 if (build_objects) { 537 const CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 538 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 539 540 // Create output restriction 541 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed, num_elem, Q, num_active_in * num_active_out, num_active_in * num_active_out * num_elem * Q, 542 strides, rstr)); 543 // Create assembled vector 544 545 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 546 } 547 548 // Loop through elements 549 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 550 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 551 CeedCallBackend(CeedVectorGetArray(l_vec, CEED_MEM_HOST, &l_vec_array)); 552 553 // Input basis apply 554 CeedCallBackend( 555 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, NULL, true, e_data, impl, request)); 556 557 // Assemble QFunction 558 for (CeedInt in = 0; in < num_active_in; in++) { 559 // Set Inputs 560 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 561 if (num_active_in > 1) { 562 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 563 } 564 // Set Outputs 565 for (CeedInt out = 0; out < num_output_fields; out++) { 566 CeedVector vec; 567 568 // Get output vector 569 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 570 // Check if active output 571 if (vec == CEED_VECTOR_ACTIVE) { 572 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, l_vec_array)); 573 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 574 l_vec_array += size * Q * block_size; // Advance the pointer by the size of the output 575 } 576 } 577 // Apply QFunction 578 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 579 } 580 581 // Assemble into assembled vector 582 CeedCallBackend(CeedVectorRestoreArray(l_vec, &l_vec_array)); 583 CeedCallBackend(CeedElemRestrictionApplyBlock(block_rstr, e / block_size, CEED_TRANSPOSE, l_vec, *assembled, request)); 584 } 585 586 // Un-set output Qvecs to prevent accidental overwrite of Assembled 587 for (CeedInt out = 0; out < num_output_fields; out++) { 588 CeedVector vec; 589 590 // Get output vector 591 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 592 // Check if active output 593 if (vec == CEED_VECTOR_ACTIVE) { 594 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 595 } 596 } 597 598 // Restore input arrays 599 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 600 return CEED_ERROR_SUCCESS; 601 } 602 603 //------------------------------------------------------------------------------ 604 // Assemble Linear QFunction 605 //------------------------------------------------------------------------------ 606 static int CeedOperatorLinearAssembleQFunction_Opt(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 607 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, true, assembled, rstr, request); 608 } 609 610 //------------------------------------------------------------------------------ 611 // Update Assembled Linear QFunction 612 //------------------------------------------------------------------------------ 613 static int CeedOperatorLinearAssembleQFunctionUpdate_Opt(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 614 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, false, &assembled, &rstr, request); 615 } 616 617 //------------------------------------------------------------------------------ 618 // Operator Destroy 619 //------------------------------------------------------------------------------ 620 static int CeedOperatorDestroy_Opt(CeedOperator op) { 621 CeedOperator_Opt *impl; 622 623 CeedCallBackend(CeedOperatorGetData(op, &impl)); 624 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 625 CeedCallBackend(CeedElemRestrictionDestroy(&impl->block_rstr[i])); 626 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 627 } 628 CeedCallBackend(CeedFree(&impl->block_rstr)); 629 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 630 CeedCallBackend(CeedFree(&impl->input_states)); 631 632 for (CeedInt i = 0; i < impl->num_inputs; i++) { 633 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 634 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 635 } 636 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 637 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 638 639 for (CeedInt i = 0; i < impl->num_outputs; i++) { 640 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 641 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 642 } 643 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 644 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 645 646 // QFunction assembly data 647 for (CeedInt i = 0; i < impl->num_active_in; i++) { 648 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 649 } 650 CeedCallBackend(CeedFree(&impl->qf_active_in)); 651 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 652 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_block_rstr)); 653 654 CeedCallBackend(CeedFree(&impl)); 655 return CEED_ERROR_SUCCESS; 656 } 657 658 //------------------------------------------------------------------------------ 659 // Operator Create 660 //------------------------------------------------------------------------------ 661 int CeedOperatorCreate_Opt(CeedOperator op) { 662 Ceed ceed; 663 Ceed_Opt *ceed_impl; 664 CeedOperator_Opt *impl; 665 666 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 667 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 668 const CeedInt block_size = ceed_impl->block_size; 669 670 CeedCallBackend(CeedCalloc(1, &impl)); 671 CeedCallBackend(CeedOperatorSetData(op, impl)); 672 673 CeedCheck(block_size == 1 || block_size == 8, ceed, CEED_ERROR_BACKEND, "Opt backend cannot use blocksize: %" CeedInt_FMT, block_size); 674 675 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Opt)); 676 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Opt)); 677 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Opt)); 678 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Opt)); 679 return CEED_ERROR_SUCCESS; 680 } 681 682 //------------------------------------------------------------------------------ 683