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 blk_size, CeedElemRestriction *blk_restr, 20 CeedVector *e_vecs_full, CeedVector *e_vecs, CeedVector *q_vecs, CeedInt start_e, CeedInt num_fields, 21 CeedInt Q) { 22 CeedInt num_comp, size, P; 23 CeedSize e_size, q_size; 24 Ceed ceed; 25 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 26 CeedBasis basis; 27 CeedElemRestriction r; 28 CeedOperatorField *op_fields; 29 CeedQFunctionField *qf_fields; 30 if (is_input) { 31 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 32 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 33 } else { 34 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 35 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 36 } 37 38 // Loop over fields 39 for (CeedInt i = 0; i < num_fields; i++) { 40 CeedEvalMode eval_mode; 41 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 42 43 if (eval_mode != CEED_EVAL_WEIGHT) { 44 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &r)); 45 Ceed ceed; 46 CeedCallBackend(CeedElemRestrictionGetCeed(r, &ceed)); 47 CeedSize l_size; 48 CeedInt num_elem, elem_size, comp_stride; 49 CeedCallBackend(CeedElemRestrictionGetNumElements(r, &num_elem)); 50 CeedCallBackend(CeedElemRestrictionGetElementSize(r, &elem_size)); 51 CeedCallBackend(CeedElemRestrictionGetLVectorSize(r, &l_size)); 52 CeedCallBackend(CeedElemRestrictionGetNumComponents(r, &num_comp)); 53 54 bool strided; 55 CeedCallBackend(CeedElemRestrictionIsStrided(r, &strided)); 56 if (strided) { 57 CeedInt strides[3]; 58 CeedCallBackend(CeedElemRestrictionGetStrides(r, &strides)); 59 CeedCallBackend( 60 CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, elem_size, blk_size, num_comp, l_size, strides, &blk_restr[i + start_e])); 61 } else { 62 const CeedInt *offsets = NULL; 63 CeedCallBackend(CeedElemRestrictionGetOffsets(r, CEED_MEM_HOST, &offsets)); 64 CeedCallBackend(CeedElemRestrictionGetCompStride(r, &comp_stride)); 65 CeedCallBackend(CeedElemRestrictionCreateBlocked(ceed, num_elem, elem_size, blk_size, num_comp, comp_stride, l_size, CEED_MEM_HOST, 66 CEED_COPY_VALUES, offsets, &blk_restr[i + start_e])); 67 CeedCallBackend(CeedElemRestrictionRestoreOffsets(r, &offsets)); 68 } 69 CeedCallBackend(CeedElemRestrictionCreateVector(blk_restr[i + start_e], NULL, &e_vecs_full[i + start_e])); 70 } 71 72 switch (eval_mode) { 73 case CEED_EVAL_NONE: 74 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 75 e_size = (CeedSize)Q * size * blk_size; 76 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 77 q_size = (CeedSize)Q * size * blk_size; 78 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 79 break; 80 case CEED_EVAL_INTERP: 81 case CEED_EVAL_GRAD: 82 case CEED_EVAL_DIV: 83 case CEED_EVAL_CURL: 84 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 85 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 86 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 87 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 88 e_size = (CeedSize)P * num_comp * blk_size; 89 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 90 q_size = (CeedSize)Q * size * blk_size; 91 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 92 break; 93 case CEED_EVAL_WEIGHT: // Only on input fields 94 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 95 q_size = (CeedSize)Q * blk_size; 96 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 97 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 98 break; 99 } 100 if (is_input && !!e_vecs[i]) { 101 CeedCallBackend(CeedVectorSetArray(e_vecs[i], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 102 } 103 } 104 return CEED_ERROR_SUCCESS; 105 } 106 107 //------------------------------------------------------------------------------ 108 // Setup Operator 109 //------------------------------------------------------------------------------ 110 static int CeedOperatorSetup_Opt(CeedOperator op) { 111 bool is_setup_done; 112 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 113 if (is_setup_done) return CEED_ERROR_SUCCESS; 114 Ceed ceed; 115 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 116 Ceed_Opt *ceed_impl; 117 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 118 const CeedInt blk_size = ceed_impl->blk_size; 119 CeedOperator_Opt *impl; 120 CeedCallBackend(CeedOperatorGetData(op, &impl)); 121 CeedQFunction qf; 122 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 123 CeedInt Q, num_input_fields, num_output_fields; 124 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 125 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 126 CeedOperatorField *op_input_fields, *op_output_fields; 127 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 128 CeedQFunctionField *qf_input_fields, *qf_output_fields; 129 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 130 131 // Allocate 132 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->blk_restr)); 133 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 134 135 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 136 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 137 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 138 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 139 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 140 141 impl->num_inputs = num_input_fields; 142 impl->num_outputs = num_output_fields; 143 144 // Set up infield and outfield pointer arrays 145 // Infields 146 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, true, blk_size, impl->blk_restr, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, 147 num_input_fields, Q)); 148 // Outfields 149 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, false, blk_size, impl->blk_restr, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, 150 num_input_fields, num_output_fields, Q)); 151 152 // Identity QFunctions 153 if (impl->is_identity_qf) { 154 CeedEvalMode in_mode, out_mode; 155 CeedQFunctionField *in_fields, *out_fields; 156 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 157 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 158 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 159 160 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 161 impl->is_identity_restr_op = true; 162 } else { 163 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[0])); 164 impl->q_vecs_out[0] = impl->q_vecs_in[0]; 165 CeedCallBackend(CeedVectorAddReference(impl->q_vecs_in[0])); 166 } 167 } 168 169 CeedCallBackend(CeedOperatorSetSetupDone(op)); 170 171 return CEED_ERROR_SUCCESS; 172 } 173 174 //------------------------------------------------------------------------------ 175 // Setup Input Fields 176 //------------------------------------------------------------------------------ 177 static inline int CeedOperatorSetupInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 178 CeedVector in_vec, CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, 179 CeedRequest *request) { 180 CeedEvalMode eval_mode; 181 CeedVector vec; 182 uint64_t state; 183 184 for (CeedInt i = 0; i < num_input_fields; i++) { 185 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 186 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 187 } else { 188 // Get input vector 189 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 190 if (vec != CEED_VECTOR_ACTIVE) { 191 // Restrict 192 CeedCallBackend(CeedVectorGetState(vec, &state)); 193 if (state != impl->input_states[i]) { 194 CeedCallBackend(CeedElemRestrictionApply(impl->blk_restr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 195 impl->input_states[i] = state; 196 } 197 // Get evec 198 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 199 } else { 200 // Set Qvec for CEED_EVAL_NONE 201 if (eval_mode == CEED_EVAL_NONE) { 202 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_in[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 203 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i])); 204 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_in[i], (const CeedScalar **)&e_data[i])); 205 } 206 } 207 } 208 } 209 return CEED_ERROR_SUCCESS; 210 } 211 212 //------------------------------------------------------------------------------ 213 // Input Basis Action 214 //------------------------------------------------------------------------------ 215 static inline int CeedOperatorInputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 216 CeedInt num_input_fields, CeedInt blk_size, CeedVector in_vec, bool skip_active, 217 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, CeedRequest *request) { 218 CeedInt elem_size, size, num_comp; 219 CeedElemRestriction elem_restr; 220 CeedEvalMode eval_mode; 221 CeedBasis basis; 222 CeedVector vec; 223 224 for (CeedInt i = 0; i < num_input_fields; i++) { 225 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 226 // Skip active input 227 if (skip_active) { 228 if (vec == CEED_VECTOR_ACTIVE) continue; 229 } 230 231 CeedInt active_in = 0; 232 // Get elem_size, eval_mode, size 233 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_restr)); 234 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_restr, &elem_size)); 235 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 236 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 237 // Restrict block active input 238 if (vec == CEED_VECTOR_ACTIVE) { 239 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[i], e / blk_size, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[i], request)); 240 active_in = 1; 241 } 242 // Basis action 243 switch (eval_mode) { 244 case CEED_EVAL_NONE: 245 if (!active_in) { 246 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * Q * size])); 247 } 248 break; 249 case CEED_EVAL_INTERP: 250 case CEED_EVAL_GRAD: 251 case CEED_EVAL_DIV: 252 case CEED_EVAL_CURL: 253 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 254 if (!active_in) { 255 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 256 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * elem_size * num_comp])); 257 } 258 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 259 break; 260 case CEED_EVAL_WEIGHT: 261 break; // No action 262 } 263 } 264 return CEED_ERROR_SUCCESS; 265 } 266 267 //------------------------------------------------------------------------------ 268 // Output Basis Action 269 //------------------------------------------------------------------------------ 270 static inline int CeedOperatorOutputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 271 CeedInt blk_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 272 CeedVector out_vec, CeedOperator_Opt *impl, CeedRequest *request) { 273 CeedElemRestriction elem_restr; 274 CeedEvalMode eval_mode; 275 CeedBasis basis; 276 CeedVector vec; 277 278 for (CeedInt i = 0; i < num_output_fields; i++) { 279 // Get elem_size, eval_mode, size 280 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_restr)); 281 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 282 // Basis action 283 switch (eval_mode) { 284 case CEED_EVAL_NONE: 285 break; // No action 286 case CEED_EVAL_INTERP: 287 case CEED_EVAL_GRAD: 288 case CEED_EVAL_DIV: 289 case CEED_EVAL_CURL: 290 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 291 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 292 break; 293 // LCOV_EXCL_START 294 case CEED_EVAL_WEIGHT: { 295 Ceed ceed; 296 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 297 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 298 // LCOV_EXCL_STOP 299 } 300 } 301 // Restrict output block 302 // Get output vector 303 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 304 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 305 // Restrict 306 CeedCallBackend( 307 CeedElemRestrictionApplyBlock(impl->blk_restr[i + impl->num_inputs], e / blk_size, CEED_TRANSPOSE, impl->e_vecs_out[i], vec, request)); 308 } 309 return CEED_ERROR_SUCCESS; 310 } 311 312 //------------------------------------------------------------------------------ 313 // Restore Input Vectors 314 //------------------------------------------------------------------------------ 315 static inline int CeedOperatorRestoreInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 316 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl) { 317 for (CeedInt i = 0; i < num_input_fields; i++) { 318 CeedEvalMode eval_mode; 319 CeedVector vec; 320 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 321 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 322 if (eval_mode != CEED_EVAL_WEIGHT && vec != CEED_VECTOR_ACTIVE) { 323 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data[i])); 324 } 325 } 326 return CEED_ERROR_SUCCESS; 327 } 328 329 //------------------------------------------------------------------------------ 330 // Operator Apply 331 //------------------------------------------------------------------------------ 332 static int CeedOperatorApplyAdd_Opt(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 333 Ceed ceed; 334 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 335 Ceed_Opt *ceed_impl; 336 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 337 CeedInt blk_size = ceed_impl->blk_size; 338 CeedOperator_Opt *impl; 339 CeedCallBackend(CeedOperatorGetData(op, &impl)); 340 CeedInt Q, num_input_fields, num_output_fields, num_elem; 341 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 342 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 343 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 344 CeedQFunction qf; 345 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 346 CeedOperatorField *op_input_fields, *op_output_fields; 347 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 348 CeedQFunctionField *qf_input_fields, *qf_output_fields; 349 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 350 CeedEvalMode eval_mode; 351 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 352 353 // Setup 354 CeedCallBackend(CeedOperatorSetup_Opt(op)); 355 356 // Restriction only operator 357 if (impl->is_identity_restr_op) { 358 for (CeedInt b = 0; b < num_blks; b++) { 359 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[0], b, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[0], request)); 360 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[1], b, CEED_TRANSPOSE, impl->e_vecs_in[0], out_vec, request)); 361 } 362 return CEED_ERROR_SUCCESS; 363 } 364 365 // Input Evecs and Restriction 366 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, in_vec, e_data, impl, request)); 367 368 // Output Lvecs, Evecs, and Qvecs 369 for (CeedInt i = 0; i < num_output_fields; i++) { 370 // Set Qvec if needed 371 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 372 if (eval_mode == CEED_EVAL_NONE) { 373 // Set qvec to single block evec 374 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_HOST, &e_data[i + num_input_fields])); 375 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i + num_input_fields])); 376 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_out[i], &e_data[i + num_input_fields])); 377 } 378 } 379 380 // Loop through elements 381 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 382 // Input basis apply 383 CeedCallBackend( 384 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, in_vec, false, e_data, impl, request)); 385 386 // Q function 387 if (!impl->is_identity_qf) { 388 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 389 } 390 391 // Output basis apply and restrict 392 CeedCallBackend(CeedOperatorOutputBasis_Opt(e, Q, qf_output_fields, op_output_fields, blk_size, num_input_fields, num_output_fields, op, out_vec, 393 impl, request)); 394 } 395 396 // Restore input arrays 397 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 398 399 return CEED_ERROR_SUCCESS; 400 } 401 402 //------------------------------------------------------------------------------ 403 // Core code for linear QFunction assembly 404 //------------------------------------------------------------------------------ 405 static inline int CeedOperatorLinearAssembleQFunctionCore_Opt(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 406 CeedRequest *request) { 407 Ceed ceed; 408 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 409 Ceed_Opt *ceed_impl; 410 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 411 const CeedInt blk_size = ceed_impl->blk_size; 412 CeedSize q_size; 413 CeedOperator_Opt *impl; 414 CeedCallBackend(CeedOperatorGetData(op, &impl)); 415 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 416 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 417 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 418 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 419 CeedQFunction qf; 420 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 421 CeedOperatorField *op_input_fields, *op_output_fields; 422 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 423 CeedQFunctionField *qf_input_fields, *qf_output_fields; 424 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 425 CeedVector vec, l_vec = impl->qf_l_vec; 426 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 427 CeedVector *active_in = impl->qf_active_in; 428 CeedScalar *a, *tmp; 429 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 430 431 // Setup 432 CeedCallBackend(CeedOperatorSetup_Opt(op)); 433 434 // Check for identity 435 CeedCheck(!impl->is_identity_qf, ceed, CEED_ERROR_BACKEND, "Assembling identity qfunctions not supported"); 436 437 // Input Evecs and Restriction 438 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, NULL, e_data, impl, request)); 439 440 // Count number of active input fields 441 if (!num_active_in) { 442 for (CeedInt i = 0; i < num_input_fields; i++) { 443 // Get input vector 444 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 445 // Check if active input 446 if (vec == CEED_VECTOR_ACTIVE) { 447 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 448 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 449 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &tmp)); 450 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 451 for (CeedInt field = 0; field < size; field++) { 452 q_size = (CeedSize)Q * blk_size; 453 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 454 CeedCallBackend(CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &tmp[field * Q * blk_size])); 455 } 456 num_active_in += size; 457 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &tmp)); 458 } 459 } 460 impl->num_active_in = num_active_in; 461 impl->qf_active_in = active_in; 462 } 463 464 // Count number of active output fields 465 if (!num_active_out) { 466 for (CeedInt i = 0; i < num_output_fields; i++) { 467 // Get output vector 468 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 469 // Check if active output 470 if (vec == CEED_VECTOR_ACTIVE) { 471 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 472 num_active_out += size; 473 } 474 } 475 impl->num_active_out = num_active_out; 476 } 477 478 // Check sizes 479 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 480 481 // Setup l_vec 482 if (!l_vec) { 483 CeedSize l_size = (CeedSize)blk_size * Q * num_active_in * num_active_out; 484 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 485 CeedCallBackend(CeedVectorSetValue(l_vec, 0.0)); 486 impl->qf_l_vec = l_vec; 487 } 488 489 // Build objects if needed 490 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 491 if (build_objects) { 492 // Create output restriction 493 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed, num_elem, Q, num_active_in * num_active_out, num_active_in * num_active_out * num_elem * Q, 494 strides, rstr)); 495 // Create assembled vector 496 CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 497 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 498 } 499 500 // Output blocked restriction 501 CeedElemRestriction blk_rstr = impl->qf_blk_rstr; 502 if (!blk_rstr) { 503 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, blk_size, num_active_in * num_active_out, 504 num_active_in * num_active_out * num_elem * Q, strides, &blk_rstr)); 505 impl->qf_blk_rstr = blk_rstr; 506 } 507 508 // Loop through elements 509 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 510 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 511 CeedCallBackend(CeedVectorGetArray(l_vec, CEED_MEM_HOST, &a)); 512 513 // Input basis apply 514 CeedCallBackend( 515 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, NULL, true, e_data, impl, request)); 516 517 // Assemble QFunction 518 for (CeedInt in = 0; in < num_active_in; in++) { 519 // Set Inputs 520 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 521 if (num_active_in > 1) { 522 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 523 } 524 // Set Outputs 525 for (CeedInt out = 0; out < num_output_fields; out++) { 526 // Get output vector 527 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 528 // Check if active output 529 if (vec == CEED_VECTOR_ACTIVE) { 530 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, a)); 531 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 532 a += size * Q * blk_size; // Advance the pointer by the size of the output 533 } 534 } 535 // Apply QFunction 536 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 537 } 538 539 // Assemble into assembled vector 540 CeedCallBackend(CeedVectorRestoreArray(l_vec, &a)); 541 CeedCallBackend(CeedElemRestrictionApplyBlock(blk_rstr, e / blk_size, CEED_TRANSPOSE, l_vec, *assembled, request)); 542 } 543 544 // Un-set output Qvecs to prevent accidental overwrite of Assembled 545 for (CeedInt out = 0; out < num_output_fields; out++) { 546 // Get output vector 547 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 548 // Check if active output 549 if (vec == CEED_VECTOR_ACTIVE) { 550 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 551 } 552 } 553 554 // Restore input arrays 555 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 556 557 return CEED_ERROR_SUCCESS; 558 } 559 560 //------------------------------------------------------------------------------ 561 // Assemble Linear QFunction 562 //------------------------------------------------------------------------------ 563 static int CeedOperatorLinearAssembleQFunction_Opt(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 564 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, true, assembled, rstr, request); 565 } 566 567 //------------------------------------------------------------------------------ 568 // Update Assembled Linear QFunction 569 //------------------------------------------------------------------------------ 570 static int CeedOperatorLinearAssembleQFunctionUpdate_Opt(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 571 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, false, &assembled, &rstr, request); 572 } 573 574 //------------------------------------------------------------------------------ 575 // Operator Destroy 576 //------------------------------------------------------------------------------ 577 static int CeedOperatorDestroy_Opt(CeedOperator op) { 578 CeedOperator_Opt *impl; 579 CeedCallBackend(CeedOperatorGetData(op, &impl)); 580 581 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 582 CeedCallBackend(CeedElemRestrictionDestroy(&impl->blk_restr[i])); 583 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 584 } 585 CeedCallBackend(CeedFree(&impl->blk_restr)); 586 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 587 CeedCallBackend(CeedFree(&impl->input_states)); 588 589 for (CeedInt i = 0; i < impl->num_inputs; i++) { 590 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 591 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 592 } 593 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 594 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 595 596 for (CeedInt i = 0; i < impl->num_outputs; i++) { 597 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 598 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 599 } 600 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 601 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 602 603 // QFunction assembly data 604 for (CeedInt i = 0; i < impl->num_active_in; i++) { 605 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 606 } 607 CeedCallBackend(CeedFree(&impl->qf_active_in)); 608 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 609 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_blk_rstr)); 610 611 CeedCallBackend(CeedFree(&impl)); 612 return CEED_ERROR_SUCCESS; 613 } 614 615 //------------------------------------------------------------------------------ 616 // Operator Create 617 //------------------------------------------------------------------------------ 618 int CeedOperatorCreate_Opt(CeedOperator op) { 619 Ceed ceed; 620 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 621 Ceed_Opt *ceed_impl; 622 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 623 CeedInt blk_size = ceed_impl->blk_size; 624 CeedOperator_Opt *impl; 625 626 CeedCallBackend(CeedCalloc(1, &impl)); 627 CeedCallBackend(CeedOperatorSetData(op, impl)); 628 629 CeedCheck(blk_size == 1 || blk_size == 8, ceed, CEED_ERROR_BACKEND, "Opt backend cannot use blocksize: %" CeedInt_FMT, blk_size); 630 631 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Opt)); 632 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Opt)); 633 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Opt)); 634 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Opt)); 635 return CEED_ERROR_SUCCESS; 636 } 637 //------------------------------------------------------------------------------ 638