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 { 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 if (is_input && e_vecs[i]) { 140 CeedCallBackend(CeedVectorSetArray(e_vecs[i], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 141 } 142 } 143 return CEED_ERROR_SUCCESS; 144 } 145 146 //------------------------------------------------------------------------------ 147 // Setup Operator 148 //------------------------------------------------------------------------------ 149 static int CeedOperatorSetup_Opt(CeedOperator op) { 150 bool is_setup_done; 151 Ceed ceed; 152 Ceed_Opt *ceed_impl; 153 CeedInt Q, num_input_fields, num_output_fields; 154 CeedQFunctionField *qf_input_fields, *qf_output_fields; 155 CeedQFunction qf; 156 CeedOperatorField *op_input_fields, *op_output_fields; 157 CeedOperator_Opt *impl; 158 159 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 160 if (is_setup_done) return CEED_ERROR_SUCCESS; 161 162 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 163 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 164 CeedCallBackend(CeedOperatorGetData(op, &impl)); 165 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 166 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 167 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 168 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 169 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 170 const CeedInt block_size = ceed_impl->block_size; 171 172 // Allocate 173 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->block_rstr)); 174 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 175 176 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 177 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 178 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 179 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 180 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 181 182 impl->num_inputs = num_input_fields; 183 impl->num_outputs = num_output_fields; 184 185 // Set up infield and outfield pointer arrays 186 // Infields 187 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, true, block_size, impl->block_rstr, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, 188 num_input_fields, Q)); 189 // Outfields 190 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, false, block_size, impl->block_rstr, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, 191 num_input_fields, num_output_fields, Q)); 192 193 // Identity QFunctions 194 if (impl->is_identity_qf) { 195 CeedEvalMode in_mode, out_mode; 196 CeedQFunctionField *in_fields, *out_fields; 197 198 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 199 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 200 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 201 202 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 203 impl->is_identity_rstr_op = true; 204 } else { 205 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 206 } 207 } 208 209 CeedCallBackend(CeedOperatorSetSetupDone(op)); 210 return CEED_ERROR_SUCCESS; 211 } 212 213 //------------------------------------------------------------------------------ 214 // Setup Input Fields 215 //------------------------------------------------------------------------------ 216 static inline int CeedOperatorSetupInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 217 CeedVector in_vec, CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, 218 CeedRequest *request) { 219 for (CeedInt i = 0; i < num_input_fields; i++) { 220 uint64_t state; 221 CeedEvalMode eval_mode; 222 CeedVector vec; 223 224 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 225 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 226 } else { 227 // Get input vector 228 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 229 if (vec != CEED_VECTOR_ACTIVE) { 230 // Restrict 231 CeedCallBackend(CeedVectorGetState(vec, &state)); 232 if (state != impl->input_states[i]) { 233 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 234 impl->input_states[i] = state; 235 } 236 // Get evec 237 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 238 } else { 239 // Set Qvec for CEED_EVAL_NONE 240 if (eval_mode == CEED_EVAL_NONE) { 241 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_in[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 242 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i])); 243 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_in[i], (const CeedScalar **)&e_data[i])); 244 } 245 } 246 } 247 } 248 return CEED_ERROR_SUCCESS; 249 } 250 251 //------------------------------------------------------------------------------ 252 // Input Basis Action 253 //------------------------------------------------------------------------------ 254 static inline int CeedOperatorInputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 255 CeedInt num_input_fields, CeedInt block_size, CeedVector in_vec, bool skip_active, 256 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, CeedRequest *request) { 257 for (CeedInt i = 0; i < num_input_fields; i++) { 258 bool is_active_input = false; 259 CeedInt elem_size, size, num_comp; 260 CeedEvalMode eval_mode; 261 CeedVector vec; 262 CeedElemRestriction elem_rstr; 263 CeedBasis basis; 264 265 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 266 // Skip active input 267 is_active_input = vec == CEED_VECTOR_ACTIVE; 268 if (skip_active && is_active_input) continue; 269 270 // Get elem_size, eval_mode, size 271 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); 272 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 273 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 274 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 275 // Restrict block active input 276 if (is_active_input) { 277 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->block_rstr[i], e / block_size, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[i], request)); 278 } 279 // Basis action 280 switch (eval_mode) { 281 case CEED_EVAL_NONE: 282 if (!is_active_input) { 283 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * Q * size])); 284 } 285 break; 286 case CEED_EVAL_INTERP: 287 case CEED_EVAL_GRAD: 288 case CEED_EVAL_DIV: 289 case CEED_EVAL_CURL: 290 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 291 if (!is_active_input) { 292 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 293 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * elem_size * num_comp])); 294 } 295 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 296 break; 297 case CEED_EVAL_WEIGHT: 298 break; // No action 299 } 300 } 301 return CEED_ERROR_SUCCESS; 302 } 303 304 //------------------------------------------------------------------------------ 305 // Output Basis Action 306 //------------------------------------------------------------------------------ 307 static inline int CeedOperatorOutputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 308 CeedInt block_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 309 CeedVector out_vec, CeedOperator_Opt *impl, CeedRequest *request) { 310 for (CeedInt i = 0; i < num_output_fields; i++) { 311 CeedEvalMode eval_mode; 312 CeedVector vec; 313 CeedElemRestriction elem_rstr; 314 CeedBasis basis; 315 316 // Get elem_size, eval_mode, size 317 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); 318 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 319 // Basis action 320 switch (eval_mode) { 321 case CEED_EVAL_NONE: 322 break; // No action 323 case CEED_EVAL_INTERP: 324 case CEED_EVAL_GRAD: 325 case CEED_EVAL_DIV: 326 case CEED_EVAL_CURL: 327 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 328 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 329 break; 330 // LCOV_EXCL_START 331 case CEED_EVAL_WEIGHT: { 332 Ceed ceed; 333 334 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 335 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 336 // LCOV_EXCL_STOP 337 } 338 } 339 // Restrict output block 340 // Get output vector 341 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 342 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 343 // Restrict 344 CeedCallBackend( 345 CeedElemRestrictionApplyBlock(impl->block_rstr[i + impl->num_inputs], e / block_size, CEED_TRANSPOSE, impl->e_vecs_out[i], vec, request)); 346 } 347 return CEED_ERROR_SUCCESS; 348 } 349 350 //------------------------------------------------------------------------------ 351 // Restore Input Vectors 352 //------------------------------------------------------------------------------ 353 static inline int CeedOperatorRestoreInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 354 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl) { 355 for (CeedInt i = 0; i < num_input_fields; i++) { 356 CeedEvalMode eval_mode; 357 CeedVector vec; 358 359 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 360 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 361 if (eval_mode != CEED_EVAL_WEIGHT && vec != CEED_VECTOR_ACTIVE) { 362 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data[i])); 363 } 364 } 365 return CEED_ERROR_SUCCESS; 366 } 367 368 //------------------------------------------------------------------------------ 369 // Operator Apply 370 //------------------------------------------------------------------------------ 371 static int CeedOperatorApplyAdd_Opt(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 372 Ceed ceed; 373 Ceed_Opt *ceed_impl; 374 CeedInt Q, num_input_fields, num_output_fields, num_elem; 375 CeedEvalMode eval_mode; 376 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 377 CeedQFunctionField *qf_input_fields, *qf_output_fields; 378 CeedQFunction qf; 379 CeedOperatorField *op_input_fields, *op_output_fields; 380 CeedOperator_Opt *impl; 381 382 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 383 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 384 CeedCallBackend(CeedOperatorGetData(op, &impl)); 385 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 386 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 387 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 388 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 389 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 390 const CeedInt block_size = ceed_impl->block_size; 391 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 392 393 // Setup 394 CeedCallBackend(CeedOperatorSetup_Opt(op)); 395 396 // Restriction only operator 397 if (impl->is_identity_rstr_op) { 398 for (CeedInt b = 0; b < num_blocks; b++) { 399 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->block_rstr[0], b, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[0], request)); 400 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->block_rstr[1], b, CEED_TRANSPOSE, impl->e_vecs_in[0], out_vec, request)); 401 } 402 return CEED_ERROR_SUCCESS; 403 } 404 405 // Input Evecs and Restriction 406 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, in_vec, e_data, impl, request)); 407 408 // Output Lvecs, Evecs, and Qvecs 409 for (CeedInt i = 0; i < num_output_fields; i++) { 410 // Set Qvec if needed 411 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 412 if (eval_mode == CEED_EVAL_NONE) { 413 // Set qvec to single block evec 414 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_HOST, &e_data[i + num_input_fields])); 415 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i + num_input_fields])); 416 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_out[i], &e_data[i + num_input_fields])); 417 } 418 } 419 420 // Loop through elements 421 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 422 // Input basis apply 423 CeedCallBackend( 424 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, in_vec, false, e_data, impl, request)); 425 426 // Q function 427 if (!impl->is_identity_qf) { 428 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 429 } 430 431 // Output basis apply and restriction 432 CeedCallBackend(CeedOperatorOutputBasis_Opt(e, Q, qf_output_fields, op_output_fields, block_size, num_input_fields, num_output_fields, op, 433 out_vec, impl, request)); 434 } 435 436 // Restore input arrays 437 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 438 return CEED_ERROR_SUCCESS; 439 } 440 441 //------------------------------------------------------------------------------ 442 // Core code for linear QFunction assembly 443 //------------------------------------------------------------------------------ 444 static inline int CeedOperatorLinearAssembleQFunctionCore_Opt(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 445 CeedRequest *request) { 446 Ceed ceed; 447 Ceed_Opt *ceed_impl; 448 CeedSize q_size; 449 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 450 CeedScalar *l_vec_array, *e_data[2 * CEED_FIELD_MAX] = {0}; 451 CeedQFunctionField *qf_input_fields, *qf_output_fields; 452 CeedQFunction qf; 453 CeedOperatorField *op_input_fields, *op_output_fields; 454 CeedOperator_Opt *impl; 455 456 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 457 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 458 CeedCallBackend(CeedOperatorGetData(op, &impl)); 459 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 460 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 461 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 462 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 463 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 464 const CeedInt block_size = ceed_impl->block_size; 465 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 466 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 467 CeedVector l_vec = impl->qf_l_vec; 468 CeedVector *active_in = impl->qf_active_in; 469 CeedElemRestriction block_rstr = impl->qf_block_rstr; 470 471 // Setup 472 CeedCallBackend(CeedOperatorSetup_Opt(op)); 473 474 // Check for restriction only operator 475 CeedCheck(!impl->is_identity_rstr_op, ceed, CEED_ERROR_BACKEND, "Assembling restriction only operators is not supported"); 476 477 // Input Evecs and Restriction 478 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, NULL, e_data, impl, request)); 479 480 // Count number of active input fields 481 if (!num_active_in) { 482 for (CeedInt i = 0; i < num_input_fields; i++) { 483 CeedScalar *q_vec_array; 484 CeedVector vec; 485 486 // Get input vector 487 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 488 // Check if active input 489 if (vec == CEED_VECTOR_ACTIVE) { 490 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 491 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 492 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &q_vec_array)); 493 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 494 for (CeedInt field = 0; field < size; field++) { 495 q_size = (CeedSize)Q * block_size; 496 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 497 CeedCallBackend( 498 CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &q_vec_array[field * Q * block_size])); 499 } 500 num_active_in += size; 501 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &q_vec_array)); 502 } 503 } 504 impl->num_active_in = num_active_in; 505 impl->qf_active_in = active_in; 506 } 507 508 // Count number of active output fields 509 if (!num_active_out) { 510 for (CeedInt i = 0; i < num_output_fields; i++) { 511 CeedVector vec; 512 513 // Get output vector 514 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 515 // Check if active output 516 if (vec == CEED_VECTOR_ACTIVE) { 517 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 518 num_active_out += size; 519 } 520 } 521 impl->num_active_out = num_active_out; 522 } 523 524 // Check sizes 525 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 526 527 // Setup l_vec 528 if (!l_vec) { 529 const CeedSize l_size = (CeedSize)block_size * Q * num_active_in * num_active_out; 530 531 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 532 CeedCallBackend(CeedVectorSetValue(l_vec, 0.0)); 533 impl->qf_l_vec = l_vec; 534 } 535 536 // Output blocked restriction 537 if (!block_rstr) { 538 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 539 540 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, block_size, num_active_in * num_active_out, 541 num_active_in * num_active_out * num_elem * Q, strides, &block_rstr)); 542 impl->qf_block_rstr = block_rstr; 543 } 544 545 // Build objects if needed 546 if (build_objects) { 547 const CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 548 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 549 550 // Create output restriction 551 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed, num_elem, Q, num_active_in * num_active_out, num_active_in * num_active_out * num_elem * Q, 552 strides, rstr)); 553 // Create assembled vector 554 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 555 } 556 557 // Loop through elements 558 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 559 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 560 CeedCallBackend(CeedVectorGetArray(l_vec, CEED_MEM_HOST, &l_vec_array)); 561 562 // Input basis apply 563 CeedCallBackend( 564 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, NULL, true, e_data, impl, request)); 565 566 // Assemble QFunction 567 for (CeedInt in = 0; in < num_active_in; in++) { 568 // Set Inputs 569 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 570 if (num_active_in > 1) { 571 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 572 } 573 if (!impl->is_identity_qf) { 574 // Set Outputs 575 for (CeedInt out = 0; out < num_output_fields; out++) { 576 CeedVector vec; 577 578 // Get output vector 579 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 580 // Check if active output 581 if (vec == CEED_VECTOR_ACTIVE) { 582 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, l_vec_array)); 583 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 584 l_vec_array += size * Q * block_size; // Advance the pointer by the size of the output 585 } 586 } 587 // Apply QFunction 588 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 589 } else { 590 const CeedScalar *q_vec_array; 591 592 // Copy Identity Outputs 593 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[0], &size)); 594 CeedCallBackend(CeedVectorGetArrayRead(impl->q_vecs_out[0], CEED_MEM_HOST, &q_vec_array)); 595 for (CeedInt i = 0; i < size * Q * block_size; i++) l_vec_array[i] = q_vec_array[i]; 596 CeedCallBackend(CeedVectorRestoreArrayRead(impl->q_vecs_out[0], &q_vec_array)); 597 l_vec_array += size * Q * block_size; 598 } 599 } 600 601 // Assemble QFunction 602 if (!impl->is_identity_qf) { 603 for (CeedInt out = 0; out < num_output_fields; out++) { 604 CeedVector vec; 605 606 // Get output vector 607 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 608 // Check if active output 609 if (vec == CEED_VECTOR_ACTIVE && num_elem > 0) { 610 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_HOST, NULL)); 611 } 612 } 613 } 614 615 // Assemble into assembled vector 616 CeedCallBackend(CeedVectorRestoreArray(l_vec, &l_vec_array)); 617 CeedCallBackend(CeedElemRestrictionApplyBlock(block_rstr, e / block_size, CEED_TRANSPOSE, l_vec, *assembled, request)); 618 } 619 620 // Un-set output Qvecs to prevent accidental overwrite of Assembled 621 for (CeedInt out = 0; out < num_output_fields; out++) { 622 CeedVector vec; 623 624 // Get output vector 625 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 626 // Check if active output 627 if (vec == CEED_VECTOR_ACTIVE) { 628 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 629 } 630 } 631 632 // Restore input arrays 633 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 634 return CEED_ERROR_SUCCESS; 635 } 636 637 //------------------------------------------------------------------------------ 638 // Assemble Linear QFunction 639 //------------------------------------------------------------------------------ 640 static int CeedOperatorLinearAssembleQFunction_Opt(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 641 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, true, assembled, rstr, request); 642 } 643 644 //------------------------------------------------------------------------------ 645 // Update Assembled Linear QFunction 646 //------------------------------------------------------------------------------ 647 static int CeedOperatorLinearAssembleQFunctionUpdate_Opt(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 648 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, false, &assembled, &rstr, request); 649 } 650 651 //------------------------------------------------------------------------------ 652 // Operator Destroy 653 //------------------------------------------------------------------------------ 654 static int CeedOperatorDestroy_Opt(CeedOperator op) { 655 CeedOperator_Opt *impl; 656 657 CeedCallBackend(CeedOperatorGetData(op, &impl)); 658 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 659 CeedCallBackend(CeedElemRestrictionDestroy(&impl->block_rstr[i])); 660 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 661 } 662 CeedCallBackend(CeedFree(&impl->block_rstr)); 663 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 664 CeedCallBackend(CeedFree(&impl->input_states)); 665 666 for (CeedInt i = 0; i < impl->num_inputs; i++) { 667 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 668 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 669 } 670 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 671 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 672 673 for (CeedInt i = 0; i < impl->num_outputs; i++) { 674 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 675 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 676 } 677 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 678 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 679 680 // QFunction assembly data 681 for (CeedInt i = 0; i < impl->num_active_in; i++) { 682 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 683 } 684 CeedCallBackend(CeedFree(&impl->qf_active_in)); 685 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 686 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_block_rstr)); 687 688 CeedCallBackend(CeedFree(&impl)); 689 return CEED_ERROR_SUCCESS; 690 } 691 692 //------------------------------------------------------------------------------ 693 // Operator Create 694 //------------------------------------------------------------------------------ 695 int CeedOperatorCreate_Opt(CeedOperator op) { 696 Ceed ceed; 697 Ceed_Opt *ceed_impl; 698 CeedOperator_Opt *impl; 699 700 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 701 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 702 const CeedInt block_size = ceed_impl->block_size; 703 704 CeedCallBackend(CeedCalloc(1, &impl)); 705 CeedCallBackend(CeedOperatorSetData(op, impl)); 706 707 CeedCheck(block_size == 1 || block_size == 8, ceed, CEED_ERROR_BACKEND, "Opt backend cannot use blocksize: %" CeedInt_FMT, block_size); 708 709 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Opt)); 710 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Opt)); 711 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Opt)); 712 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Opt)); 713 return CEED_ERROR_SUCCESS; 714 } 715 716 //------------------------------------------------------------------------------ 717