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 case CEED_RESTRICTION_POINTS: 99 // Empty case - won't occur 100 break; 101 } 102 CeedCallBackend(CeedElemRestrictionCreateVector(block_rstr[i + start_e], NULL, &e_vecs_full[i + start_e])); 103 } 104 105 switch (eval_mode) { 106 case CEED_EVAL_NONE: 107 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 108 e_size = (CeedSize)Q * size * block_size; 109 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 110 q_size = (CeedSize)Q * size * block_size; 111 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 112 break; 113 case CEED_EVAL_INTERP: 114 case CEED_EVAL_GRAD: 115 case CEED_EVAL_DIV: 116 case CEED_EVAL_CURL: 117 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 118 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 119 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 120 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 121 e_size = (CeedSize)P * num_comp * block_size; 122 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 123 q_size = (CeedSize)Q * size * block_size; 124 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 125 break; 126 case CEED_EVAL_WEIGHT: // Only on input fields 127 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 128 q_size = (CeedSize)Q * block_size; 129 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 130 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 131 break; 132 } 133 if (is_input && e_vecs[i]) { 134 CeedCallBackend(CeedVectorSetArray(e_vecs[i], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 135 } 136 } 137 return CEED_ERROR_SUCCESS; 138 } 139 140 //------------------------------------------------------------------------------ 141 // Setup Operator 142 //------------------------------------------------------------------------------ 143 static int CeedOperatorSetup_Opt(CeedOperator op) { 144 bool is_setup_done; 145 Ceed ceed; 146 Ceed_Opt *ceed_impl; 147 CeedInt Q, num_input_fields, num_output_fields; 148 CeedQFunctionField *qf_input_fields, *qf_output_fields; 149 CeedQFunction qf; 150 CeedOperatorField *op_input_fields, *op_output_fields; 151 CeedOperator_Opt *impl; 152 153 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 154 if (is_setup_done) return CEED_ERROR_SUCCESS; 155 156 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 157 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 158 CeedCallBackend(CeedOperatorGetData(op, &impl)); 159 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 160 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 161 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 162 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 163 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 164 const CeedInt block_size = ceed_impl->block_size; 165 166 // Allocate 167 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->block_rstr)); 168 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 169 170 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 171 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 172 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 173 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 174 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 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 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, true, block_size, impl->block_rstr, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, 182 num_input_fields, Q)); 183 // Outfields 184 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, false, block_size, impl->block_rstr, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, 185 num_input_fields, num_output_fields, Q)); 186 187 // Identity QFunctions 188 if (impl->is_identity_qf) { 189 CeedEvalMode in_mode, out_mode; 190 CeedQFunctionField *in_fields, *out_fields; 191 192 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 193 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 194 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 195 196 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 197 impl->is_identity_rstr_op = true; 198 } else { 199 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 200 } 201 } 202 203 CeedCallBackend(CeedOperatorSetSetupDone(op)); 204 return CEED_ERROR_SUCCESS; 205 } 206 207 //------------------------------------------------------------------------------ 208 // Setup Input Fields 209 //------------------------------------------------------------------------------ 210 static inline int CeedOperatorSetupInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 211 CeedVector in_vec, CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, 212 CeedRequest *request) { 213 for (CeedInt i = 0; i < num_input_fields; i++) { 214 uint64_t state; 215 CeedEvalMode eval_mode; 216 CeedVector vec; 217 218 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 219 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 220 } else { 221 // Get input vector 222 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 223 if (vec != CEED_VECTOR_ACTIVE) { 224 // Restrict 225 CeedCallBackend(CeedVectorGetState(vec, &state)); 226 if (state != impl->input_states[i]) { 227 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 228 impl->input_states[i] = state; 229 } 230 // Get evec 231 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 232 } else { 233 // Set Qvec for CEED_EVAL_NONE 234 if (eval_mode == CEED_EVAL_NONE) { 235 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_in[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 236 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i])); 237 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_in[i], (const CeedScalar **)&e_data[i])); 238 } 239 } 240 } 241 } 242 return CEED_ERROR_SUCCESS; 243 } 244 245 //------------------------------------------------------------------------------ 246 // Input Basis Action 247 //------------------------------------------------------------------------------ 248 static inline int CeedOperatorInputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 249 CeedInt num_input_fields, CeedInt block_size, CeedVector in_vec, bool skip_active, 250 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, CeedRequest *request) { 251 for (CeedInt i = 0; i < num_input_fields; i++) { 252 bool is_active_input = false; 253 CeedInt elem_size, size, num_comp; 254 CeedEvalMode eval_mode; 255 CeedVector vec; 256 CeedElemRestriction elem_rstr; 257 CeedBasis basis; 258 259 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 260 // Skip active input 261 is_active_input = vec == CEED_VECTOR_ACTIVE; 262 if (skip_active && is_active_input) continue; 263 264 // Get elem_size, eval_mode, size 265 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); 266 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 267 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 268 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 269 // Restrict block active input 270 if (is_active_input) { 271 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->block_rstr[i], e / block_size, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[i], request)); 272 } 273 // Basis action 274 switch (eval_mode) { 275 case CEED_EVAL_NONE: 276 if (!is_active_input) { 277 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * Q * size])); 278 } 279 break; 280 case CEED_EVAL_INTERP: 281 case CEED_EVAL_GRAD: 282 case CEED_EVAL_DIV: 283 case CEED_EVAL_CURL: 284 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 285 if (!is_active_input) { 286 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 287 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * elem_size * num_comp])); 288 } 289 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 290 break; 291 case CEED_EVAL_WEIGHT: 292 break; // No action 293 } 294 } 295 return CEED_ERROR_SUCCESS; 296 } 297 298 //------------------------------------------------------------------------------ 299 // Output Basis Action 300 //------------------------------------------------------------------------------ 301 static inline int CeedOperatorOutputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 302 CeedInt block_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 303 CeedVector out_vec, CeedOperator_Opt *impl, CeedRequest *request) { 304 for (CeedInt i = 0; i < num_output_fields; i++) { 305 CeedEvalMode eval_mode; 306 CeedVector vec; 307 CeedElemRestriction elem_rstr; 308 CeedBasis basis; 309 310 // Get elem_size, eval_mode, size 311 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); 312 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 313 // Basis action 314 switch (eval_mode) { 315 case CEED_EVAL_NONE: 316 break; // No action 317 case CEED_EVAL_INTERP: 318 case CEED_EVAL_GRAD: 319 case CEED_EVAL_DIV: 320 case CEED_EVAL_CURL: 321 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 322 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 323 break; 324 // LCOV_EXCL_START 325 case CEED_EVAL_WEIGHT: { 326 Ceed ceed; 327 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 328 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 329 // LCOV_EXCL_STOP 330 } 331 } 332 // Restrict output block 333 // Get output vector 334 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 335 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 336 // Restrict 337 CeedCallBackend( 338 CeedElemRestrictionApplyBlock(impl->block_rstr[i + impl->num_inputs], e / block_size, CEED_TRANSPOSE, impl->e_vecs_out[i], vec, request)); 339 } 340 return CEED_ERROR_SUCCESS; 341 } 342 343 //------------------------------------------------------------------------------ 344 // Restore Input Vectors 345 //------------------------------------------------------------------------------ 346 static inline int CeedOperatorRestoreInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 347 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl) { 348 for (CeedInt i = 0; i < num_input_fields; i++) { 349 CeedEvalMode eval_mode; 350 CeedVector vec; 351 352 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 353 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 354 if (eval_mode != CEED_EVAL_WEIGHT && vec != CEED_VECTOR_ACTIVE) { 355 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data[i])); 356 } 357 } 358 return CEED_ERROR_SUCCESS; 359 } 360 361 //------------------------------------------------------------------------------ 362 // Operator Apply 363 //------------------------------------------------------------------------------ 364 static int CeedOperatorApplyAdd_Opt(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 365 Ceed ceed; 366 Ceed_Opt *ceed_impl; 367 CeedInt Q, num_input_fields, num_output_fields, num_elem; 368 CeedEvalMode eval_mode; 369 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 370 CeedQFunctionField *qf_input_fields, *qf_output_fields; 371 CeedQFunction qf; 372 CeedOperatorField *op_input_fields, *op_output_fields; 373 CeedOperator_Opt *impl; 374 375 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 376 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 377 CeedCallBackend(CeedOperatorGetData(op, &impl)); 378 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 379 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 380 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 381 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 382 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 383 const CeedInt block_size = ceed_impl->block_size; 384 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 385 386 // Setup 387 CeedCallBackend(CeedOperatorSetup_Opt(op)); 388 389 // Restriction only operator 390 if (impl->is_identity_rstr_op) { 391 for (CeedInt b = 0; b < num_blocks; b++) { 392 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->block_rstr[0], b, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[0], request)); 393 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->block_rstr[1], b, CEED_TRANSPOSE, impl->e_vecs_in[0], out_vec, request)); 394 } 395 return CEED_ERROR_SUCCESS; 396 } 397 398 // Input Evecs and Restriction 399 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, in_vec, e_data, impl, request)); 400 401 // Output Lvecs, Evecs, and Qvecs 402 for (CeedInt i = 0; i < num_output_fields; i++) { 403 // Set Qvec if needed 404 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 405 if (eval_mode == CEED_EVAL_NONE) { 406 // Set qvec to single block evec 407 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_HOST, &e_data[i + num_input_fields])); 408 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i + num_input_fields])); 409 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_out[i], &e_data[i + num_input_fields])); 410 } 411 } 412 413 // Loop through elements 414 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 415 // Input basis apply 416 CeedCallBackend( 417 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, in_vec, false, e_data, impl, request)); 418 419 // Q function 420 if (!impl->is_identity_qf) { 421 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 422 } 423 424 // Output basis apply and restriction 425 CeedCallBackend(CeedOperatorOutputBasis_Opt(e, Q, qf_output_fields, op_output_fields, block_size, num_input_fields, num_output_fields, op, 426 out_vec, impl, request)); 427 } 428 429 // Restore input arrays 430 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 431 return CEED_ERROR_SUCCESS; 432 } 433 434 //------------------------------------------------------------------------------ 435 // Core code for linear QFunction assembly 436 //------------------------------------------------------------------------------ 437 static inline int CeedOperatorLinearAssembleQFunctionCore_Opt(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 438 CeedRequest *request) { 439 Ceed ceed; 440 Ceed_Opt *ceed_impl; 441 CeedSize q_size; 442 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 443 CeedScalar *l_vec_array, *e_data[2 * CEED_FIELD_MAX] = {0}; 444 CeedQFunctionField *qf_input_fields, *qf_output_fields; 445 CeedQFunction qf; 446 CeedOperatorField *op_input_fields, *op_output_fields; 447 CeedOperator_Opt *impl; 448 449 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 450 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 451 CeedCallBackend(CeedOperatorGetData(op, &impl)); 452 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 453 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 454 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 455 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 456 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 457 const CeedInt block_size = ceed_impl->block_size; 458 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 459 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 460 CeedVector l_vec = impl->qf_l_vec; 461 CeedVector *active_in = impl->qf_active_in; 462 CeedElemRestriction block_rstr = impl->qf_block_rstr; 463 464 // Setup 465 CeedCallBackend(CeedOperatorSetup_Opt(op)); 466 467 // Check for restriction only operator 468 CeedCheck(!impl->is_identity_rstr_op, ceed, CEED_ERROR_BACKEND, "Assembling restriction only operators is not supported"); 469 470 // Input Evecs and Restriction 471 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, NULL, e_data, impl, request)); 472 473 // Count number of active input fields 474 if (!num_active_in) { 475 for (CeedInt i = 0; i < num_input_fields; i++) { 476 CeedScalar *q_vec_array; 477 CeedVector vec; 478 479 // Get input vector 480 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 481 // Check if active input 482 if (vec == CEED_VECTOR_ACTIVE) { 483 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 484 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 485 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &q_vec_array)); 486 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 487 for (CeedInt field = 0; field < size; field++) { 488 q_size = (CeedSize)Q * block_size; 489 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 490 CeedCallBackend( 491 CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &q_vec_array[field * Q * block_size])); 492 } 493 num_active_in += size; 494 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &q_vec_array)); 495 } 496 } 497 impl->num_active_in = num_active_in; 498 impl->qf_active_in = active_in; 499 } 500 501 // Count number of active output fields 502 if (!num_active_out) { 503 for (CeedInt i = 0; i < num_output_fields; i++) { 504 CeedVector vec; 505 506 // Get output vector 507 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 508 // Check if active output 509 if (vec == CEED_VECTOR_ACTIVE) { 510 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 511 num_active_out += size; 512 } 513 } 514 impl->num_active_out = num_active_out; 515 } 516 517 // Check sizes 518 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 519 520 // Setup l_vec 521 if (!l_vec) { 522 const CeedSize l_size = (CeedSize)block_size * Q * num_active_in * num_active_out; 523 524 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 525 CeedCallBackend(CeedVectorSetValue(l_vec, 0.0)); 526 impl->qf_l_vec = l_vec; 527 } 528 529 // Output blocked restriction 530 if (!block_rstr) { 531 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 532 533 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, block_size, num_active_in * num_active_out, 534 num_active_in * num_active_out * num_elem * Q, strides, &block_rstr)); 535 impl->qf_block_rstr = block_rstr; 536 } 537 538 // Build objects if needed 539 if (build_objects) { 540 const CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 541 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 542 543 // Create output restriction 544 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed, num_elem, Q, num_active_in * num_active_out, num_active_in * num_active_out * num_elem * Q, 545 strides, rstr)); 546 // Create assembled vector 547 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 548 } 549 550 // Loop through elements 551 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 552 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 553 CeedCallBackend(CeedVectorGetArray(l_vec, CEED_MEM_HOST, &l_vec_array)); 554 555 // Input basis apply 556 CeedCallBackend( 557 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, NULL, true, e_data, impl, request)); 558 559 // Assemble QFunction 560 for (CeedInt in = 0; in < num_active_in; in++) { 561 // Set Inputs 562 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 563 if (num_active_in > 1) { 564 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 565 } 566 if (!impl->is_identity_qf) { 567 // Set Outputs 568 for (CeedInt out = 0; out < num_output_fields; out++) { 569 CeedVector vec; 570 571 // Get output vector 572 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 573 // Check if active output 574 if (vec == CEED_VECTOR_ACTIVE) { 575 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, l_vec_array)); 576 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 577 l_vec_array += size * Q * block_size; // Advance the pointer by the size of the output 578 } 579 } 580 // Apply QFunction 581 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 582 } else { 583 const CeedScalar *q_vec_array; 584 585 // Copy Identity Outputs 586 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[0], &size)); 587 CeedCallBackend(CeedVectorGetArrayRead(impl->q_vecs_out[0], CEED_MEM_HOST, &q_vec_array)); 588 for (CeedInt i = 0; i < size * Q * block_size; i++) l_vec_array[i] = q_vec_array[i]; 589 CeedCallBackend(CeedVectorRestoreArrayRead(impl->q_vecs_out[0], &q_vec_array)); 590 l_vec_array += size * Q * block_size; 591 } 592 } 593 594 // Assemble QFunction 595 if (!impl->is_identity_qf) { 596 for (CeedInt out = 0; out < num_output_fields; out++) { 597 CeedVector vec; 598 599 // Get output vector 600 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 601 // Check if active output 602 if (vec == CEED_VECTOR_ACTIVE && num_elem > 0) { 603 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_HOST, NULL)); 604 } 605 } 606 } 607 608 // Assemble into assembled vector 609 CeedCallBackend(CeedVectorRestoreArray(l_vec, &l_vec_array)); 610 CeedCallBackend(CeedElemRestrictionApplyBlock(block_rstr, e / block_size, CEED_TRANSPOSE, l_vec, *assembled, request)); 611 } 612 613 // Un-set output Qvecs to prevent accidental overwrite of Assembled 614 for (CeedInt out = 0; out < num_output_fields; out++) { 615 CeedVector vec; 616 617 // Get output vector 618 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 619 // Check if active output 620 if (vec == CEED_VECTOR_ACTIVE) { 621 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 622 } 623 } 624 625 // Restore input arrays 626 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 627 return CEED_ERROR_SUCCESS; 628 } 629 630 //------------------------------------------------------------------------------ 631 // Assemble Linear QFunction 632 //------------------------------------------------------------------------------ 633 static int CeedOperatorLinearAssembleQFunction_Opt(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 634 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, true, assembled, rstr, request); 635 } 636 637 //------------------------------------------------------------------------------ 638 // Update Assembled Linear QFunction 639 //------------------------------------------------------------------------------ 640 static int CeedOperatorLinearAssembleQFunctionUpdate_Opt(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 641 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, false, &assembled, &rstr, request); 642 } 643 644 //------------------------------------------------------------------------------ 645 // Operator Destroy 646 //------------------------------------------------------------------------------ 647 static int CeedOperatorDestroy_Opt(CeedOperator op) { 648 CeedOperator_Opt *impl; 649 650 CeedCallBackend(CeedOperatorGetData(op, &impl)); 651 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 652 CeedCallBackend(CeedElemRestrictionDestroy(&impl->block_rstr[i])); 653 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 654 } 655 CeedCallBackend(CeedFree(&impl->block_rstr)); 656 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 657 CeedCallBackend(CeedFree(&impl->input_states)); 658 659 for (CeedInt i = 0; i < impl->num_inputs; i++) { 660 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 661 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 662 } 663 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 664 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 665 666 for (CeedInt i = 0; i < impl->num_outputs; i++) { 667 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 668 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 669 } 670 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 671 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 672 673 // QFunction assembly data 674 for (CeedInt i = 0; i < impl->num_active_in; i++) { 675 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 676 } 677 CeedCallBackend(CeedFree(&impl->qf_active_in)); 678 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 679 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_block_rstr)); 680 681 CeedCallBackend(CeedFree(&impl)); 682 return CEED_ERROR_SUCCESS; 683 } 684 685 //------------------------------------------------------------------------------ 686 // Operator Create 687 //------------------------------------------------------------------------------ 688 int CeedOperatorCreate_Opt(CeedOperator op) { 689 Ceed ceed; 690 Ceed_Opt *ceed_impl; 691 CeedOperator_Opt *impl; 692 693 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 694 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 695 const CeedInt block_size = ceed_impl->block_size; 696 697 CeedCallBackend(CeedCalloc(1, &impl)); 698 CeedCallBackend(CeedOperatorSetData(op, impl)); 699 700 CeedCheck(block_size == 1 || block_size == 8, ceed, CEED_ERROR_BACKEND, "Opt backend cannot use blocksize: %" CeedInt_FMT, block_size); 701 702 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Opt)); 703 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Opt)); 704 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Opt)); 705 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Opt)); 706 return CEED_ERROR_SUCCESS; 707 } 708 709 //------------------------------------------------------------------------------ 710