1 // Copyright (c) 2017-2024, 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, bool *skip_rstr, bool *apply_add_basis, 20 const CeedInt block_size, CeedElemRestriction *block_rstr, CeedVector *e_vecs_full, CeedVector *e_vecs, 21 CeedVector *q_vecs, CeedInt start_e, CeedInt num_fields, 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 { 29 Ceed ceed_parent; 30 31 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 32 CeedCallBackend(CeedGetParent(ceed, &ceed_parent)); 33 CeedCallBackend(CeedReferenceCopy(ceed_parent, &ceed)); 34 CeedCallBackend(CeedDestroy(&ceed_parent)); 35 } 36 if (is_input) { 37 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 38 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 39 } else { 40 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 41 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 42 } 43 44 // Loop over fields 45 for (CeedInt i = 0; i < num_fields; i++) { 46 CeedEvalMode eval_mode; 47 CeedBasis basis; 48 49 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 50 if (eval_mode != CEED_EVAL_WEIGHT) { 51 Ceed ceed_rstr; 52 CeedSize l_size; 53 CeedInt num_elem, elem_size, comp_stride; 54 CeedRestrictionType rstr_type; 55 CeedElemRestriction rstr; 56 57 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr)); 58 CeedCallBackend(CeedElemRestrictionGetCeed(rstr, &ceed_rstr)); 59 CeedCallBackend(CeedElemRestrictionGetNumElements(rstr, &num_elem)); 60 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr, &elem_size)); 61 CeedCallBackend(CeedElemRestrictionGetLVectorSize(rstr, &l_size)); 62 CeedCallBackend(CeedElemRestrictionGetNumComponents(rstr, &num_comp)); 63 CeedCallBackend(CeedElemRestrictionGetCompStride(rstr, &comp_stride)); 64 65 CeedCallBackend(CeedElemRestrictionGetType(rstr, &rstr_type)); 66 switch (rstr_type) { 67 case CEED_RESTRICTION_STANDARD: { 68 const CeedInt *offsets = NULL; 69 70 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr, CEED_MEM_HOST, &offsets)); 71 CeedCallBackend(CeedElemRestrictionCreateBlocked(ceed_rstr, num_elem, elem_size, block_size, num_comp, comp_stride, l_size, CEED_MEM_HOST, 72 CEED_COPY_VALUES, offsets, &block_rstr[i + start_e])); 73 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr, &offsets)); 74 } break; 75 case CEED_RESTRICTION_ORIENTED: { 76 const bool *orients = NULL; 77 const CeedInt *offsets = NULL; 78 79 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr, CEED_MEM_HOST, &offsets)); 80 CeedCallBackend(CeedElemRestrictionGetOrientations(rstr, CEED_MEM_HOST, &orients)); 81 CeedCallBackend(CeedElemRestrictionCreateBlockedOriented(ceed_rstr, num_elem, elem_size, block_size, num_comp, comp_stride, l_size, 82 CEED_MEM_HOST, CEED_COPY_VALUES, offsets, orients, &block_rstr[i + start_e])); 83 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr, &offsets)); 84 CeedCallBackend(CeedElemRestrictionRestoreOrientations(rstr, &orients)); 85 } break; 86 case CEED_RESTRICTION_CURL_ORIENTED: { 87 const CeedInt8 *curl_orients = NULL; 88 const CeedInt *offsets = NULL; 89 90 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr, CEED_MEM_HOST, &offsets)); 91 CeedCallBackend(CeedElemRestrictionGetCurlOrientations(rstr, CEED_MEM_HOST, &curl_orients)); 92 CeedCallBackend(CeedElemRestrictionCreateBlockedCurlOriented(ceed_rstr, num_elem, elem_size, block_size, num_comp, comp_stride, l_size, 93 CEED_MEM_HOST, CEED_COPY_VALUES, offsets, curl_orients, 94 &block_rstr[i + start_e])); 95 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr, &offsets)); 96 CeedCallBackend(CeedElemRestrictionRestoreCurlOrientations(rstr, &curl_orients)); 97 } break; 98 case CEED_RESTRICTION_STRIDED: { 99 CeedInt strides[3]; 100 101 CeedCallBackend(CeedElemRestrictionGetStrides(rstr, strides)); 102 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed_rstr, num_elem, elem_size, block_size, num_comp, l_size, strides, 103 &block_rstr[i + start_e])); 104 } break; 105 case CEED_RESTRICTION_POINTS: 106 // Empty case - won't occur 107 break; 108 } 109 CeedCallBackend(CeedDestroy(&ceed_rstr)); 110 CeedCallBackend(CeedElemRestrictionDestroy(&rstr)); 111 CeedCallBackend(CeedElemRestrictionCreateVector(block_rstr[i + start_e], NULL, &e_vecs_full[i + start_e])); 112 } 113 114 switch (eval_mode) { 115 case CEED_EVAL_NONE: 116 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 117 e_size = (CeedSize)Q * size * block_size; 118 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 119 q_size = (CeedSize)Q * size * block_size; 120 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 121 break; 122 case CEED_EVAL_INTERP: 123 case CEED_EVAL_GRAD: 124 case CEED_EVAL_DIV: 125 case CEED_EVAL_CURL: 126 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 127 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 128 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 129 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 130 CeedCallBackend(CeedBasisDestroy(&basis)); 131 e_size = (CeedSize)P * num_comp * block_size; 132 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 133 q_size = (CeedSize)Q * size * block_size; 134 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 135 break; 136 case CEED_EVAL_WEIGHT: // Only on input fields 137 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 138 q_size = (CeedSize)Q * block_size; 139 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 140 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 141 CeedCallBackend(CeedBasisDestroy(&basis)); 142 break; 143 } 144 // Initialize E-vec arrays 145 if (e_vecs[i]) CeedCallBackend(CeedVectorSetValue(e_vecs[i], 0.0)); 146 } 147 // Drop duplicate restrictions 148 if (is_input) { 149 for (CeedInt i = 0; i < num_fields; i++) { 150 CeedVector vec_i; 151 CeedElemRestriction rstr_i; 152 153 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec_i)); 154 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr_i)); 155 for (CeedInt j = i + 1; j < num_fields; j++) { 156 CeedVector vec_j; 157 CeedElemRestriction rstr_j; 158 159 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[j], &vec_j)); 160 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[j], &rstr_j)); 161 if (vec_i == vec_j && rstr_i == rstr_j) { 162 CeedCallBackend(CeedVectorReferenceCopy(e_vecs[i], &e_vecs[j])); 163 CeedCallBackend(CeedVectorReferenceCopy(e_vecs_full[i + start_e], &e_vecs_full[j + start_e])); 164 skip_rstr[j] = true; 165 } 166 CeedCallBackend(CeedVectorDestroy(&vec_j)); 167 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 168 } 169 CeedCallBackend(CeedVectorDestroy(&vec_i)); 170 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 171 } 172 } else { 173 for (CeedInt i = num_fields - 1; i >= 0; i--) { 174 CeedVector vec_i; 175 CeedElemRestriction rstr_i; 176 177 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec_i)); 178 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr_i)); 179 for (CeedInt j = i - 1; j >= 0; j--) { 180 CeedVector vec_j; 181 CeedElemRestriction rstr_j; 182 183 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[j], &vec_j)); 184 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[j], &rstr_j)); 185 if (vec_i == vec_j && rstr_i == rstr_j) { 186 CeedCallBackend(CeedVectorReferenceCopy(e_vecs[i], &e_vecs[j])); 187 CeedCallBackend(CeedVectorReferenceCopy(e_vecs_full[i + start_e], &e_vecs_full[j + start_e])); 188 skip_rstr[j] = true; 189 apply_add_basis[i] = true; 190 } 191 CeedCallBackend(CeedVectorDestroy(&vec_j)); 192 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 193 } 194 CeedCallBackend(CeedVectorDestroy(&vec_i)); 195 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 196 } 197 } 198 CeedCallBackend(CeedDestroy(&ceed)); 199 return CEED_ERROR_SUCCESS; 200 } 201 202 //------------------------------------------------------------------------------ 203 // Setup Operator 204 //------------------------------------------------------------------------------ 205 static int CeedOperatorSetup_Opt(CeedOperator op) { 206 bool is_setup_done; 207 Ceed ceed; 208 Ceed_Opt *ceed_impl; 209 CeedInt Q, num_input_fields, num_output_fields; 210 CeedQFunctionField *qf_input_fields, *qf_output_fields; 211 CeedQFunction qf; 212 CeedOperatorField *op_input_fields, *op_output_fields; 213 CeedOperator_Opt *impl; 214 215 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 216 if (is_setup_done) return CEED_ERROR_SUCCESS; 217 218 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 219 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 220 CeedCallBackend(CeedDestroy(&ceed)); 221 CeedCallBackend(CeedOperatorGetData(op, &impl)); 222 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 223 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 224 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 225 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 226 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 227 const CeedInt block_size = ceed_impl->block_size; 228 229 // Allocate 230 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->block_rstr)); 231 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 232 233 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->skip_rstr_in)); 234 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->skip_rstr_out)); 235 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->apply_add_basis_out)); 236 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 237 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 238 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 239 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 240 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 241 242 impl->num_inputs = num_input_fields; 243 impl->num_outputs = num_output_fields; 244 245 // Set up infield and outfield pointer arrays 246 // Infields 247 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, true, impl->skip_rstr_in, NULL, block_size, impl->block_rstr, impl->e_vecs_full, 248 impl->e_vecs_in, impl->q_vecs_in, 0, num_input_fields, Q)); 249 // Outfields 250 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, false, impl->skip_rstr_out, impl->apply_add_basis_out, block_size, impl->block_rstr, 251 impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, num_input_fields, num_output_fields, Q)); 252 253 // Identity QFunctions 254 if (impl->is_identity_qf) { 255 CeedEvalMode in_mode, out_mode; 256 CeedQFunctionField *in_fields, *out_fields; 257 258 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 259 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 260 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 261 262 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 263 impl->is_identity_rstr_op = true; 264 } else { 265 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 266 } 267 } 268 269 CeedCallBackend(CeedOperatorSetSetupDone(op)); 270 return CEED_ERROR_SUCCESS; 271 } 272 273 //------------------------------------------------------------------------------ 274 // Setup Input Fields 275 //------------------------------------------------------------------------------ 276 static inline int CeedOperatorSetupInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 277 CeedVector in_vec, CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, 278 CeedRequest *request) { 279 for (CeedInt i = 0; i < num_input_fields; i++) { 280 CeedEvalMode eval_mode; 281 282 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 283 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 284 } else { 285 uint64_t state; 286 CeedVector vec; 287 288 // Get input vector 289 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 290 if (vec != CEED_VECTOR_ACTIVE) { 291 // Restrict 292 CeedCallBackend(CeedVectorGetState(vec, &state)); 293 if (state != impl->input_states[i] && impl->block_rstr[i] && !impl->skip_rstr_in[i]) { 294 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 295 } 296 impl->input_states[i] = state; 297 // Get evec 298 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 299 } else { 300 // Set Qvec for CEED_EVAL_NONE 301 if (eval_mode == CEED_EVAL_NONE) { 302 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_in[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 303 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i])); 304 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_in[i], (const CeedScalar **)&e_data[i])); 305 } 306 } 307 CeedCallBackend(CeedVectorDestroy(&vec)); 308 } 309 } 310 return CEED_ERROR_SUCCESS; 311 } 312 313 //------------------------------------------------------------------------------ 314 // Input Basis Action 315 //------------------------------------------------------------------------------ 316 static inline int CeedOperatorInputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 317 CeedInt num_input_fields, CeedInt block_size, CeedVector in_vec, bool skip_active, 318 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, CeedRequest *request) { 319 for (CeedInt i = 0; i < num_input_fields; i++) { 320 bool is_active; 321 CeedInt elem_size, size, num_comp; 322 CeedEvalMode eval_mode; 323 CeedVector vec; 324 CeedElemRestriction elem_rstr; 325 CeedBasis basis; 326 327 // Skip active input 328 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 329 is_active = vec == CEED_VECTOR_ACTIVE; 330 CeedCallBackend(CeedVectorDestroy(&vec)); 331 if (skip_active && is_active) continue; 332 333 // Get elem_size, eval_mode, size 334 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); 335 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 336 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 337 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 338 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 339 // Restrict block active input 340 if (is_active && impl->block_rstr[i]) { 341 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->block_rstr[i], e / block_size, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[i], request)); 342 } 343 // Basis action 344 switch (eval_mode) { 345 case CEED_EVAL_NONE: 346 if (!is_active) { 347 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][(CeedSize)e * Q * size])); 348 } 349 break; 350 case CEED_EVAL_INTERP: 351 case CEED_EVAL_GRAD: 352 case CEED_EVAL_DIV: 353 case CEED_EVAL_CURL: 354 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 355 if (!is_active) { 356 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 357 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][(CeedSize)e * elem_size * num_comp])); 358 } 359 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 360 CeedCallBackend(CeedBasisDestroy(&basis)); 361 break; 362 case CEED_EVAL_WEIGHT: 363 break; // No action 364 } 365 } 366 return CEED_ERROR_SUCCESS; 367 } 368 369 //------------------------------------------------------------------------------ 370 // Output Basis Action 371 //------------------------------------------------------------------------------ 372 static inline int CeedOperatorOutputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 373 CeedInt block_size, CeedInt num_input_fields, CeedInt num_output_fields, bool *apply_add_basis, 374 bool *skip_rstr, CeedOperator op, CeedVector out_vec, CeedOperator_Opt *impl, CeedRequest *request) { 375 for (CeedInt i = 0; i < num_output_fields; i++) { 376 bool is_active; 377 CeedEvalMode eval_mode; 378 CeedVector vec; 379 CeedBasis basis; 380 381 // Get eval_mode 382 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 383 // Basis action 384 switch (eval_mode) { 385 case CEED_EVAL_NONE: 386 break; // No action 387 case CEED_EVAL_INTERP: 388 case CEED_EVAL_GRAD: 389 case CEED_EVAL_DIV: 390 case CEED_EVAL_CURL: 391 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 392 if (apply_add_basis[i]) { 393 CeedCallBackend(CeedBasisApplyAdd(basis, block_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 394 } else { 395 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 396 } 397 CeedCallBackend(CeedBasisDestroy(&basis)); 398 break; 399 // LCOV_EXCL_START 400 case CEED_EVAL_WEIGHT: { 401 return CeedError(CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 402 // LCOV_EXCL_STOP 403 } 404 } 405 // Restrict output block 406 if (skip_rstr[i]) continue; 407 // Get output vector 408 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 409 is_active = vec == CEED_VECTOR_ACTIVE; 410 if (is_active) vec = out_vec; 411 // Restrict 412 CeedCallBackend( 413 CeedElemRestrictionApplyBlock(impl->block_rstr[i + impl->num_inputs], e / block_size, CEED_TRANSPOSE, impl->e_vecs_out[i], vec, request)); 414 if (!is_active) CeedCallBackend(CeedVectorDestroy(&vec)); 415 } 416 return CEED_ERROR_SUCCESS; 417 } 418 419 //------------------------------------------------------------------------------ 420 // Restore Input Vectors 421 //------------------------------------------------------------------------------ 422 static inline int CeedOperatorRestoreInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 423 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl) { 424 for (CeedInt i = 0; i < num_input_fields; i++) { 425 CeedEvalMode eval_mode; 426 CeedVector vec; 427 428 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 429 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 430 if (eval_mode != CEED_EVAL_WEIGHT && vec != CEED_VECTOR_ACTIVE) { 431 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data[i])); 432 } 433 CeedCallBackend(CeedVectorDestroy(&vec)); 434 } 435 return CEED_ERROR_SUCCESS; 436 } 437 438 //------------------------------------------------------------------------------ 439 // Operator Apply 440 //------------------------------------------------------------------------------ 441 static int CeedOperatorApplyAdd_Opt(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 442 Ceed ceed; 443 Ceed_Opt *ceed_impl; 444 CeedInt Q, num_input_fields, num_output_fields, num_elem; 445 CeedEvalMode eval_mode; 446 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 447 CeedQFunctionField *qf_input_fields, *qf_output_fields; 448 CeedQFunction qf; 449 CeedOperatorField *op_input_fields, *op_output_fields; 450 CeedOperator_Opt *impl; 451 452 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 453 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 454 CeedCallBackend(CeedDestroy(&ceed)); 455 CeedCallBackend(CeedOperatorGetData(op, &impl)); 456 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 457 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 458 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 459 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 460 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 461 const CeedInt block_size = ceed_impl->block_size; 462 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 463 464 // Setup 465 CeedCallBackend(CeedOperatorSetup_Opt(op)); 466 467 // Restriction only operator 468 if (impl->is_identity_rstr_op) { 469 for (CeedInt b = 0; b < num_blocks; b++) { 470 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->block_rstr[0], b, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[0], request)); 471 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->block_rstr[1], b, CEED_TRANSPOSE, impl->e_vecs_in[0], out_vec, request)); 472 } 473 return CEED_ERROR_SUCCESS; 474 } 475 476 // Input Evecs and Restriction 477 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, in_vec, e_data, impl, request)); 478 479 // Output Lvecs, Evecs, and Qvecs 480 for (CeedInt i = 0; i < num_output_fields; i++) { 481 // Set Qvec if needed 482 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 483 if (eval_mode == CEED_EVAL_NONE) { 484 // Set qvec to single block evec 485 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_HOST, &e_data[i + num_input_fields])); 486 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i + num_input_fields])); 487 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_out[i], &e_data[i + num_input_fields])); 488 } 489 } 490 491 // Loop through elements 492 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 493 // Input basis apply 494 CeedCallBackend( 495 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, in_vec, false, e_data, impl, request)); 496 497 // Q function 498 if (!impl->is_identity_qf) { 499 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 500 } 501 502 // Output basis apply and restriction 503 CeedCallBackend(CeedOperatorOutputBasis_Opt(e, Q, qf_output_fields, op_output_fields, block_size, num_input_fields, num_output_fields, 504 impl->apply_add_basis_out, impl->skip_rstr_out, op, out_vec, impl, request)); 505 } 506 507 // Restore input arrays 508 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 509 return CEED_ERROR_SUCCESS; 510 } 511 512 //------------------------------------------------------------------------------ 513 // Core code for linear QFunction assembly 514 //------------------------------------------------------------------------------ 515 static inline int CeedOperatorLinearAssembleQFunctionCore_Opt(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 516 CeedRequest *request) { 517 Ceed ceed; 518 Ceed_Opt *ceed_impl; 519 CeedInt qf_size_in, qf_size_out, Q, num_input_fields, num_output_fields, num_elem; 520 CeedScalar *l_vec_array, *e_data[2 * CEED_FIELD_MAX] = {0}; 521 CeedQFunctionField *qf_input_fields, *qf_output_fields; 522 CeedQFunction qf; 523 CeedOperatorField *op_input_fields, *op_output_fields; 524 CeedOperator_Opt *impl; 525 526 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 527 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 528 CeedCallBackend(CeedOperatorGetData(op, &impl)); 529 qf_size_in = impl->qf_size_in; 530 qf_size_out = impl->qf_size_out; 531 532 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 533 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 534 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 535 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 536 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 537 const CeedInt block_size = ceed_impl->block_size; 538 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 539 CeedVector l_vec = impl->qf_l_vec; 540 CeedElemRestriction block_rstr = impl->qf_block_rstr; 541 542 // Setup 543 CeedCallBackend(CeedOperatorSetup_Opt(op)); 544 545 // Check for restriction only operator 546 CeedCheck(!impl->is_identity_rstr_op, ceed, CEED_ERROR_BACKEND, "Assembling restriction only operators is not supported"); 547 548 // Input Evecs and Restriction 549 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, NULL, e_data, impl, request)); 550 551 // Count number of active input fields 552 if (qf_size_in == 0) { 553 for (CeedInt i = 0; i < num_input_fields; i++) { 554 CeedInt field_size; 555 CeedVector vec; 556 557 // Check if active input 558 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 559 if (vec == CEED_VECTOR_ACTIVE) { 560 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &field_size)); 561 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 562 qf_size_in += field_size; 563 } 564 CeedCallBackend(CeedVectorDestroy(&vec)); 565 } 566 CeedCheck(qf_size_in > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 567 impl->qf_size_in = qf_size_in; 568 } 569 570 // Count number of active output fields 571 if (qf_size_out == 0) { 572 for (CeedInt i = 0; i < num_output_fields; i++) { 573 CeedInt field_size; 574 CeedVector vec; 575 576 // Check if active output 577 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 578 if (vec == CEED_VECTOR_ACTIVE) { 579 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &field_size)); 580 qf_size_out += field_size; 581 } 582 CeedCallBackend(CeedVectorDestroy(&vec)); 583 } 584 CeedCheck(qf_size_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 585 impl->qf_size_out = qf_size_out; 586 } 587 588 // Setup l_vec 589 if (!l_vec) { 590 const CeedSize l_size = (CeedSize)block_size * Q * qf_size_in * qf_size_out; 591 592 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 593 CeedCallBackend(CeedVectorSetValue(l_vec, 0.0)); 594 impl->qf_l_vec = l_vec; 595 } 596 597 // Output blocked restriction 598 if (!block_rstr) { 599 CeedInt strides[3] = {1, Q, qf_size_in * qf_size_out * Q}; 600 601 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, block_size, qf_size_in * qf_size_out, 602 qf_size_in * qf_size_out * num_elem * Q, strides, &block_rstr)); 603 impl->qf_block_rstr = block_rstr; 604 } 605 606 // Build objects if needed 607 if (build_objects) { 608 const CeedSize l_size = (CeedSize)num_elem * Q * qf_size_in * qf_size_out; 609 CeedInt strides[3] = {1, Q, qf_size_in * qf_size_out * Q}; 610 611 // Create output restriction 612 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed, num_elem, Q, qf_size_in * qf_size_out, 613 (CeedSize)qf_size_in * (CeedSize)qf_size_out * (CeedSize)num_elem * (CeedSize)Q, strides, rstr)); 614 // Create assembled vector 615 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 616 } 617 618 // Loop through elements 619 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 620 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 621 CeedCallBackend(CeedVectorGetArray(l_vec, CEED_MEM_HOST, &l_vec_array)); 622 623 // Input basis apply 624 CeedCallBackend( 625 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, NULL, true, e_data, impl, request)); 626 627 // Assemble QFunction 628 for (CeedInt i = 0; i < num_input_fields; i++) { 629 bool is_active; 630 CeedInt field_size; 631 CeedVector vec; 632 633 // Check if active input 634 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 635 is_active = vec == CEED_VECTOR_ACTIVE; 636 CeedCallBackend(CeedVectorDestroy(&vec)); 637 if (!is_active) continue; 638 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &field_size)); 639 for (CeedInt field = 0; field < field_size; field++) { 640 // Set current portion of input to 1.0 641 { 642 CeedScalar *array; 643 644 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &array)); 645 for (CeedInt j = 0; j < Q * block_size; j++) array[field * Q * block_size + j] = 1.0; 646 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &array)); 647 } 648 649 if (!impl->is_identity_qf) { 650 // Set Outputs 651 for (CeedInt out = 0; out < num_output_fields; out++) { 652 CeedVector vec; 653 654 // Check if active output 655 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 656 if (vec == CEED_VECTOR_ACTIVE) { 657 CeedInt field_size; 658 659 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, l_vec_array)); 660 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &field_size)); 661 l_vec_array += field_size * Q * block_size; // Advance the pointer by the size of the output 662 } 663 CeedCallBackend(CeedVectorDestroy(&vec)); 664 } 665 // Apply QFunction 666 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 667 } else { 668 CeedInt field_size; 669 const CeedScalar *array; 670 671 // Copy Identity Outputs 672 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[0], &field_size)); 673 CeedCallBackend(CeedVectorGetArrayRead(impl->q_vecs_out[0], CEED_MEM_HOST, &array)); 674 for (CeedInt j = 0; j < field_size * Q * block_size; j++) l_vec_array[j] = array[j]; 675 CeedCallBackend(CeedVectorRestoreArrayRead(impl->q_vecs_out[0], &array)); 676 l_vec_array += field_size * Q * block_size; 677 } 678 // Reset input to 0.0 679 { 680 CeedScalar *array; 681 682 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &array)); 683 for (CeedInt j = 0; j < Q * block_size; j++) array[field * Q * block_size + j] = 0.0; 684 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &array)); 685 } 686 } 687 } 688 689 // Un-set output Qvecs to prevent accidental overwrite of Assembled 690 if (!impl->is_identity_qf) { 691 for (CeedInt out = 0; out < num_output_fields; out++) { 692 CeedVector vec; 693 694 // Check if active output 695 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 696 if (vec == CEED_VECTOR_ACTIVE && num_elem > 0) { 697 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_HOST, NULL)); 698 } 699 CeedCallBackend(CeedVectorDestroy(&vec)); 700 } 701 } 702 703 // Assemble into assembled vector 704 CeedCallBackend(CeedVectorRestoreArray(l_vec, &l_vec_array)); 705 CeedCallBackend(CeedElemRestrictionApplyBlock(block_rstr, e / block_size, CEED_TRANSPOSE, l_vec, *assembled, request)); 706 } 707 708 // Reset output Qvecs 709 for (CeedInt out = 0; out < num_output_fields; out++) { 710 CeedVector vec; 711 712 // Initialize array if active output 713 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 714 if (vec == CEED_VECTOR_ACTIVE) CeedCallBackend(CeedVectorSetValue(impl->q_vecs_out[out], 0.0)); 715 CeedCallBackend(CeedVectorDestroy(&vec)); 716 } 717 718 // Restore input arrays 719 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 720 CeedCallBackend(CeedDestroy(&ceed)); 721 return CEED_ERROR_SUCCESS; 722 } 723 724 //------------------------------------------------------------------------------ 725 // Assemble Linear QFunction 726 //------------------------------------------------------------------------------ 727 static int CeedOperatorLinearAssembleQFunction_Opt(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 728 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, true, assembled, rstr, request); 729 } 730 731 //------------------------------------------------------------------------------ 732 // Update Assembled Linear QFunction 733 //------------------------------------------------------------------------------ 734 static int CeedOperatorLinearAssembleQFunctionUpdate_Opt(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 735 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, false, &assembled, &rstr, request); 736 } 737 738 //------------------------------------------------------------------------------ 739 // Operator Destroy 740 //------------------------------------------------------------------------------ 741 static int CeedOperatorDestroy_Opt(CeedOperator op) { 742 CeedOperator_Opt *impl; 743 744 CeedCallBackend(CeedOperatorGetData(op, &impl)); 745 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 746 CeedCallBackend(CeedElemRestrictionDestroy(&impl->block_rstr[i])); 747 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 748 } 749 CeedCallBackend(CeedFree(&impl->block_rstr)); 750 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 751 CeedCallBackend(CeedFree(&impl->input_states)); 752 CeedCallBackend(CeedFree(&impl->skip_rstr_in)); 753 CeedCallBackend(CeedFree(&impl->skip_rstr_out)); 754 CeedCallBackend(CeedFree(&impl->apply_add_basis_out)); 755 756 for (CeedInt i = 0; i < impl->num_inputs; i++) { 757 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 758 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 759 } 760 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 761 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 762 763 for (CeedInt i = 0; i < impl->num_outputs; i++) { 764 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 765 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 766 } 767 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 768 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 769 770 // QFunction assembly data 771 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 772 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_block_rstr)); 773 774 CeedCallBackend(CeedFree(&impl)); 775 return CEED_ERROR_SUCCESS; 776 } 777 778 //------------------------------------------------------------------------------ 779 // Operator Create 780 //------------------------------------------------------------------------------ 781 int CeedOperatorCreate_Opt(CeedOperator op) { 782 Ceed ceed; 783 Ceed_Opt *ceed_impl; 784 CeedOperator_Opt *impl; 785 786 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 787 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 788 const CeedInt block_size = ceed_impl->block_size; 789 790 CeedCallBackend(CeedCalloc(1, &impl)); 791 CeedCallBackend(CeedOperatorSetData(op, impl)); 792 793 CeedCheck(block_size == 1 || block_size == 8, ceed, CEED_ERROR_BACKEND, "Opt backend cannot use blocksize: %" CeedInt_FMT, block_size); 794 795 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Opt)); 796 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Opt)); 797 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Opt)); 798 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Opt)); 799 CeedCallBackend(CeedDestroy(&ceed)); 800 return CEED_ERROR_SUCCESS; 801 } 802 803 //------------------------------------------------------------------------------ 804