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