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, 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 // Initialize E-vec arrays 140 if (e_vecs[i]) CeedCallBackend(CeedVectorSetValue(e_vecs[i], 0.0)); 141 } 142 return CEED_ERROR_SUCCESS; 143 } 144 145 //------------------------------------------------------------------------------ 146 // Setup Operator 147 //------------------------------------------------------------------------------ 148 static int CeedOperatorSetup_Opt(CeedOperator op) { 149 bool is_setup_done; 150 Ceed ceed; 151 Ceed_Opt *ceed_impl; 152 CeedInt Q, num_input_fields, num_output_fields; 153 CeedQFunctionField *qf_input_fields, *qf_output_fields; 154 CeedQFunction qf; 155 CeedOperatorField *op_input_fields, *op_output_fields; 156 CeedOperator_Opt *impl; 157 158 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 159 if (is_setup_done) return CEED_ERROR_SUCCESS; 160 161 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 162 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 163 CeedCallBackend(CeedOperatorGetData(op, &impl)); 164 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 165 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 166 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 167 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 168 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 169 const CeedInt block_size = ceed_impl->block_size; 170 171 // Allocate 172 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->block_rstr)); 173 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 174 175 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 176 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 177 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 178 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 179 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 180 181 impl->num_inputs = num_input_fields; 182 impl->num_outputs = num_output_fields; 183 184 // Set up infield and outfield pointer arrays 185 // Infields 186 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, true, block_size, impl->block_rstr, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, 187 num_input_fields, Q)); 188 // Outfields 189 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, false, block_size, impl->block_rstr, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, 190 num_input_fields, num_output_fields, Q)); 191 192 // Identity QFunctions 193 if (impl->is_identity_qf) { 194 CeedEvalMode in_mode, out_mode; 195 CeedQFunctionField *in_fields, *out_fields; 196 197 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 198 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 199 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 200 201 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 202 impl->is_identity_rstr_op = true; 203 } else { 204 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 205 } 206 } 207 208 CeedCallBackend(CeedOperatorSetSetupDone(op)); 209 return CEED_ERROR_SUCCESS; 210 } 211 212 //------------------------------------------------------------------------------ 213 // Setup Input Fields 214 //------------------------------------------------------------------------------ 215 static inline int CeedOperatorSetupInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 216 CeedVector in_vec, CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, 217 CeedRequest *request) { 218 for (CeedInt i = 0; i < num_input_fields; i++) { 219 uint64_t state; 220 CeedEvalMode eval_mode; 221 CeedVector vec; 222 223 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 224 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 225 } else { 226 // Get input vector 227 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 228 if (vec != CEED_VECTOR_ACTIVE) { 229 // Restrict 230 CeedCallBackend(CeedVectorGetState(vec, &state)); 231 if (state != impl->input_states[i]) { 232 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 233 impl->input_states[i] = state; 234 } 235 // Get evec 236 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 237 } else { 238 // Set Qvec for CEED_EVAL_NONE 239 if (eval_mode == CEED_EVAL_NONE) { 240 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_in[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 241 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i])); 242 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_in[i], (const CeedScalar **)&e_data[i])); 243 } 244 } 245 } 246 } 247 return CEED_ERROR_SUCCESS; 248 } 249 250 //------------------------------------------------------------------------------ 251 // Input Basis Action 252 //------------------------------------------------------------------------------ 253 static inline int CeedOperatorInputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 254 CeedInt num_input_fields, CeedInt block_size, CeedVector in_vec, bool skip_active, 255 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, CeedRequest *request) { 256 for (CeedInt i = 0; i < num_input_fields; i++) { 257 bool is_active_input = false; 258 CeedInt elem_size, size, num_comp; 259 CeedEvalMode eval_mode; 260 CeedVector vec; 261 CeedElemRestriction elem_rstr; 262 CeedBasis basis; 263 264 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 265 // Skip active input 266 is_active_input = vec == CEED_VECTOR_ACTIVE; 267 if (skip_active && is_active_input) continue; 268 269 // Get elem_size, eval_mode, size 270 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); 271 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 272 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 273 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 274 // Restrict block active input 275 if (is_active_input) { 276 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->block_rstr[i], e / block_size, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[i], request)); 277 } 278 // Basis action 279 switch (eval_mode) { 280 case CEED_EVAL_NONE: 281 if (!is_active_input) { 282 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][(CeedSize)e * Q * size])); 283 } 284 break; 285 case CEED_EVAL_INTERP: 286 case CEED_EVAL_GRAD: 287 case CEED_EVAL_DIV: 288 case CEED_EVAL_CURL: 289 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 290 if (!is_active_input) { 291 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 292 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][(CeedSize)e * elem_size * num_comp])); 293 } 294 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 295 break; 296 case CEED_EVAL_WEIGHT: 297 break; // No action 298 } 299 } 300 return CEED_ERROR_SUCCESS; 301 } 302 303 //------------------------------------------------------------------------------ 304 // Output Basis Action 305 //------------------------------------------------------------------------------ 306 static inline int CeedOperatorOutputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 307 CeedInt block_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 308 CeedVector out_vec, CeedOperator_Opt *impl, CeedRequest *request) { 309 for (CeedInt i = 0; i < num_output_fields; i++) { 310 CeedEvalMode eval_mode; 311 CeedVector vec; 312 CeedElemRestriction elem_rstr; 313 CeedBasis basis; 314 315 // Get elem_size, eval_mode, size 316 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); 317 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 318 // Basis action 319 switch (eval_mode) { 320 case CEED_EVAL_NONE: 321 break; // No action 322 case CEED_EVAL_INTERP: 323 case CEED_EVAL_GRAD: 324 case CEED_EVAL_DIV: 325 case CEED_EVAL_CURL: 326 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 327 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 328 break; 329 // LCOV_EXCL_START 330 case CEED_EVAL_WEIGHT: { 331 return CeedError(CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 332 // LCOV_EXCL_STOP 333 } 334 } 335 // Restrict output block 336 // Get output vector 337 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 338 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 339 // Restrict 340 CeedCallBackend( 341 CeedElemRestrictionApplyBlock(impl->block_rstr[i + impl->num_inputs], e / block_size, CEED_TRANSPOSE, impl->e_vecs_out[i], vec, request)); 342 } 343 return CEED_ERROR_SUCCESS; 344 } 345 346 //------------------------------------------------------------------------------ 347 // Restore Input Vectors 348 //------------------------------------------------------------------------------ 349 static inline int CeedOperatorRestoreInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 350 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl) { 351 for (CeedInt i = 0; i < num_input_fields; i++) { 352 CeedEvalMode eval_mode; 353 CeedVector vec; 354 355 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 356 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 357 if (eval_mode != CEED_EVAL_WEIGHT && vec != CEED_VECTOR_ACTIVE) { 358 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data[i])); 359 } 360 } 361 return CEED_ERROR_SUCCESS; 362 } 363 364 //------------------------------------------------------------------------------ 365 // Operator Apply 366 //------------------------------------------------------------------------------ 367 static int CeedOperatorApplyAdd_Opt(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 368 Ceed ceed; 369 Ceed_Opt *ceed_impl; 370 CeedInt Q, num_input_fields, num_output_fields, num_elem; 371 CeedEvalMode eval_mode; 372 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 373 CeedQFunctionField *qf_input_fields, *qf_output_fields; 374 CeedQFunction qf; 375 CeedOperatorField *op_input_fields, *op_output_fields; 376 CeedOperator_Opt *impl; 377 378 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 379 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 380 CeedCallBackend(CeedOperatorGetData(op, &impl)); 381 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 382 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 383 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 384 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 385 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 386 const CeedInt block_size = ceed_impl->block_size; 387 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 388 389 // Setup 390 CeedCallBackend(CeedOperatorSetup_Opt(op)); 391 392 // Restriction only operator 393 if (impl->is_identity_rstr_op) { 394 for (CeedInt b = 0; b < num_blocks; b++) { 395 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->block_rstr[0], b, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[0], request)); 396 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->block_rstr[1], b, CEED_TRANSPOSE, impl->e_vecs_in[0], out_vec, request)); 397 } 398 return CEED_ERROR_SUCCESS; 399 } 400 401 // Input Evecs and Restriction 402 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, in_vec, e_data, impl, request)); 403 404 // Output Lvecs, Evecs, and Qvecs 405 for (CeedInt i = 0; i < num_output_fields; i++) { 406 // Set Qvec if needed 407 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 408 if (eval_mode == CEED_EVAL_NONE) { 409 // Set qvec to single block evec 410 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_HOST, &e_data[i + num_input_fields])); 411 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i + num_input_fields])); 412 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_out[i], &e_data[i + num_input_fields])); 413 } 414 } 415 416 // Loop through elements 417 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 418 // Input basis apply 419 CeedCallBackend( 420 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, in_vec, false, e_data, impl, request)); 421 422 // Q function 423 if (!impl->is_identity_qf) { 424 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 425 } 426 427 // Output basis apply and restriction 428 CeedCallBackend(CeedOperatorOutputBasis_Opt(e, Q, qf_output_fields, op_output_fields, block_size, num_input_fields, num_output_fields, op, 429 out_vec, impl, request)); 430 } 431 432 // Restore input arrays 433 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 434 return CEED_ERROR_SUCCESS; 435 } 436 437 //------------------------------------------------------------------------------ 438 // Core code for linear QFunction assembly 439 //------------------------------------------------------------------------------ 440 static inline int CeedOperatorLinearAssembleQFunctionCore_Opt(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 441 CeedRequest *request) { 442 Ceed ceed; 443 Ceed_Opt *ceed_impl; 444 CeedInt qf_size_in, qf_size_out, Q, num_input_fields, num_output_fields, num_elem; 445 CeedScalar *l_vec_array, *e_data[2 * CEED_FIELD_MAX] = {0}; 446 CeedQFunctionField *qf_input_fields, *qf_output_fields; 447 CeedQFunction qf; 448 CeedOperatorField *op_input_fields, *op_output_fields; 449 CeedOperator_Opt *impl; 450 451 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 452 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 453 CeedCallBackend(CeedOperatorGetData(op, &impl)); 454 qf_size_in = impl->qf_size_in; 455 qf_size_out = impl->qf_size_out; 456 457 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 458 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 459 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 460 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 461 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 462 const CeedInt block_size = ceed_impl->block_size; 463 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 464 CeedVector l_vec = impl->qf_l_vec; 465 CeedElemRestriction block_rstr = impl->qf_block_rstr; 466 467 // Setup 468 CeedCallBackend(CeedOperatorSetup_Opt(op)); 469 470 // Check for restriction only operator 471 CeedCheck(!impl->is_identity_rstr_op, ceed, CEED_ERROR_BACKEND, "Assembling restriction only operators is not supported"); 472 473 // Input Evecs and Restriction 474 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, NULL, e_data, impl, request)); 475 476 // Count number of active input fields 477 if (qf_size_in == 0) { 478 for (CeedInt i = 0; i < num_input_fields; i++) { 479 CeedInt field_size; 480 CeedVector vec; 481 482 // Get input vector 483 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 484 // Check if active input 485 if (vec == CEED_VECTOR_ACTIVE) { 486 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &field_size)); 487 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 488 qf_size_in += field_size; 489 } 490 } 491 CeedCheck(qf_size_in > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 492 impl->qf_size_in = qf_size_in; 493 } 494 495 // Count number of active output fields 496 if (qf_size_out == 0) { 497 for (CeedInt i = 0; i < num_output_fields; i++) { 498 CeedInt field_size; 499 CeedVector vec; 500 501 // Get output vector 502 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 503 // Check if active output 504 if (vec == CEED_VECTOR_ACTIVE) { 505 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &field_size)); 506 qf_size_out += field_size; 507 } 508 } 509 CeedCheck(qf_size_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 510 impl->qf_size_out = qf_size_out; 511 } 512 513 // Setup l_vec 514 if (!l_vec) { 515 const CeedSize l_size = (CeedSize)block_size * Q * qf_size_in * qf_size_out; 516 517 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 518 CeedCallBackend(CeedVectorSetValue(l_vec, 0.0)); 519 impl->qf_l_vec = l_vec; 520 } 521 522 // Output blocked restriction 523 if (!block_rstr) { 524 CeedInt strides[3] = {1, Q, qf_size_in * qf_size_out * Q}; 525 526 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, block_size, qf_size_in * qf_size_out, 527 qf_size_in * qf_size_out * num_elem * Q, strides, &block_rstr)); 528 impl->qf_block_rstr = block_rstr; 529 } 530 531 // Build objects if needed 532 if (build_objects) { 533 const CeedSize l_size = (CeedSize)num_elem * Q * qf_size_in * qf_size_out; 534 CeedInt strides[3] = {1, Q, qf_size_in * qf_size_out * Q}; 535 536 // Create output restriction 537 CeedCallBackend( 538 CeedElemRestrictionCreateStrided(ceed, num_elem, Q, qf_size_in * qf_size_out, qf_size_in * qf_size_out * num_elem * Q, strides, rstr)); 539 // Create assembled vector 540 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 541 } 542 543 // Loop through elements 544 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 545 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 546 CeedCallBackend(CeedVectorGetArray(l_vec, CEED_MEM_HOST, &l_vec_array)); 547 548 // Input basis apply 549 CeedCallBackend( 550 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, NULL, true, e_data, impl, request)); 551 552 // Assemble QFunction 553 for (CeedInt i = 0; i < num_input_fields; i++) { 554 CeedInt field_size; 555 CeedVector vec; 556 557 // Get input vector 558 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 559 // Check if active input 560 if (vec != CEED_VECTOR_ACTIVE) continue; 561 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &field_size)); 562 for (CeedInt field = 0; field < field_size; field++) { 563 // Set current portion of input to 1.0 564 { 565 CeedScalar *array; 566 567 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &array)); 568 for (CeedInt j = 0; j < Q * block_size; j++) array[field * Q * block_size + j] = 1.0; 569 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &array)); 570 } 571 572 if (!impl->is_identity_qf) { 573 // Set Outputs 574 for (CeedInt out = 0; out < num_output_fields; out++) { 575 CeedVector vec; 576 577 // Get output vector 578 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 579 // Check if active output 580 if (vec == CEED_VECTOR_ACTIVE) { 581 CeedInt field_size; 582 583 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, l_vec_array)); 584 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &field_size)); 585 l_vec_array += field_size * Q * block_size; // Advance the pointer by the size of the output 586 } 587 } 588 // Apply QFunction 589 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 590 } else { 591 CeedInt field_size; 592 const CeedScalar *array; 593 594 // Copy Identity Outputs 595 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[0], &field_size)); 596 CeedCallBackend(CeedVectorGetArrayRead(impl->q_vecs_out[0], CEED_MEM_HOST, &array)); 597 for (CeedInt j = 0; j < field_size * Q * block_size; j++) l_vec_array[j] = array[j]; 598 CeedCallBackend(CeedVectorRestoreArrayRead(impl->q_vecs_out[0], &array)); 599 l_vec_array += field_size * Q * block_size; 600 } 601 // Reset input to 0.0 602 { 603 CeedScalar *array; 604 605 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &array)); 606 for (CeedInt j = 0; j < Q * block_size; j++) array[field * Q * block_size + j] = 0.0; 607 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &array)); 608 } 609 } 610 } 611 612 // Un-set output Qvecs to prevent accidental overwrite of Assembled 613 if (!impl->is_identity_qf) { 614 for (CeedInt out = 0; out < num_output_fields; out++) { 615 CeedVector vec; 616 617 // Get output vector 618 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 619 // Check if active output 620 if (vec == CEED_VECTOR_ACTIVE && num_elem > 0) { 621 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_HOST, NULL)); 622 } 623 } 624 } 625 626 // Assemble into assembled vector 627 CeedCallBackend(CeedVectorRestoreArray(l_vec, &l_vec_array)); 628 CeedCallBackend(CeedElemRestrictionApplyBlock(block_rstr, e / block_size, CEED_TRANSPOSE, l_vec, *assembled, request)); 629 } 630 631 // Reset output Qvecs 632 for (CeedInt out = 0; out < num_output_fields; out++) { 633 CeedVector vec; 634 635 // Get output vector 636 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 637 // Initialize array if active output 638 if (vec == CEED_VECTOR_ACTIVE) CeedCallBackend(CeedVectorSetValue(impl->q_vecs_out[out], 0.0)); 639 } 640 641 // Restore input arrays 642 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 643 return CEED_ERROR_SUCCESS; 644 } 645 646 //------------------------------------------------------------------------------ 647 // Assemble Linear QFunction 648 //------------------------------------------------------------------------------ 649 static int CeedOperatorLinearAssembleQFunction_Opt(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 650 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, true, assembled, rstr, request); 651 } 652 653 //------------------------------------------------------------------------------ 654 // Update Assembled Linear QFunction 655 //------------------------------------------------------------------------------ 656 static int CeedOperatorLinearAssembleQFunctionUpdate_Opt(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 657 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, false, &assembled, &rstr, request); 658 } 659 660 //------------------------------------------------------------------------------ 661 // Operator Destroy 662 //------------------------------------------------------------------------------ 663 static int CeedOperatorDestroy_Opt(CeedOperator op) { 664 CeedOperator_Opt *impl; 665 666 CeedCallBackend(CeedOperatorGetData(op, &impl)); 667 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 668 CeedCallBackend(CeedElemRestrictionDestroy(&impl->block_rstr[i])); 669 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 670 } 671 CeedCallBackend(CeedFree(&impl->block_rstr)); 672 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 673 CeedCallBackend(CeedFree(&impl->input_states)); 674 675 for (CeedInt i = 0; i < impl->num_inputs; i++) { 676 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 677 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 678 } 679 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 680 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 681 682 for (CeedInt i = 0; i < impl->num_outputs; i++) { 683 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 684 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 685 } 686 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 687 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 688 689 // QFunction assembly data 690 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 691 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_block_rstr)); 692 693 CeedCallBackend(CeedFree(&impl)); 694 return CEED_ERROR_SUCCESS; 695 } 696 697 //------------------------------------------------------------------------------ 698 // Operator Create 699 //------------------------------------------------------------------------------ 700 int CeedOperatorCreate_Opt(CeedOperator op) { 701 Ceed ceed; 702 Ceed_Opt *ceed_impl; 703 CeedOperator_Opt *impl; 704 705 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 706 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 707 const CeedInt block_size = ceed_impl->block_size; 708 709 CeedCallBackend(CeedCalloc(1, &impl)); 710 CeedCallBackend(CeedOperatorSetData(op, impl)); 711 712 CeedCheck(block_size == 1 || block_size == 8, ceed, CEED_ERROR_BACKEND, "Opt backend cannot use blocksize: %" CeedInt_FMT, block_size); 713 714 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Opt)); 715 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Opt)); 716 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Opt)); 717 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Opt)); 718 return CEED_ERROR_SUCCESS; 719 } 720 721 //------------------------------------------------------------------------------ 722