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 const bool *orients = NULL; 64 const CeedInt *curl_orients = NULL; 65 CeedCallBackend(CeedElemRestrictionGetOffsets(r, CEED_MEM_HOST, &offsets)); 66 CeedCallBackend(CeedElemRestrictionGetOrientations(r, CEED_MEM_HOST, &orients)); 67 CeedCallBackend(CeedElemRestrictionGetCurlOrientations(r, CEED_MEM_HOST, &curl_orients)); 68 CeedCallBackend(CeedElemRestrictionGetCompStride(r, &comp_stride)); 69 if (!orients && !curl_orients) { 70 CeedCallBackend(CeedElemRestrictionCreateBlocked(ceed, num_elem, elem_size, blk_size, num_comp, comp_stride, l_size, CEED_MEM_HOST, 71 CEED_COPY_VALUES, offsets, &blk_restr[i + start_e])); 72 } else if (!curl_orients) { 73 CeedCallBackend(CeedElemRestrictionCreateBlockedOriented(ceed, num_elem, elem_size, blk_size, num_comp, comp_stride, l_size, CEED_MEM_HOST, 74 CEED_COPY_VALUES, offsets, orients, &blk_restr[i + start_e])); 75 } else { 76 CeedCallBackend(CeedElemRestrictionCreateBlockedCurlOriented(ceed, num_elem, elem_size, blk_size, num_comp, comp_stride, l_size, 77 CEED_MEM_HOST, CEED_COPY_VALUES, offsets, curl_orients, 78 &blk_restr[i + start_e])); 79 } 80 CeedCallBackend(CeedElemRestrictionRestoreOffsets(r, &offsets)); 81 CeedCallBackend(CeedElemRestrictionRestoreOrientations(r, &orients)); 82 CeedCallBackend(CeedElemRestrictionRestoreCurlOrientations(r, &curl_orients)); 83 } 84 CeedCallBackend(CeedElemRestrictionCreateVector(blk_restr[i + start_e], NULL, &e_vecs_full[i + start_e])); 85 } 86 87 switch (eval_mode) { 88 case CEED_EVAL_NONE: 89 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 90 e_size = (CeedSize)Q * size * blk_size; 91 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 92 q_size = (CeedSize)Q * size * blk_size; 93 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 94 break; 95 case CEED_EVAL_INTERP: 96 case CEED_EVAL_GRAD: 97 case CEED_EVAL_DIV: 98 case CEED_EVAL_CURL: 99 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 100 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 101 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 102 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 103 e_size = (CeedSize)P * num_comp * blk_size; 104 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 105 q_size = (CeedSize)Q * size * blk_size; 106 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 107 break; 108 case CEED_EVAL_WEIGHT: // Only on input fields 109 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 110 q_size = (CeedSize)Q * blk_size; 111 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 112 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 113 break; 114 } 115 if (is_input && !!e_vecs[i]) { 116 CeedCallBackend(CeedVectorSetArray(e_vecs[i], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 117 } 118 } 119 return CEED_ERROR_SUCCESS; 120 } 121 122 //------------------------------------------------------------------------------ 123 // Setup Operator 124 //------------------------------------------------------------------------------ 125 static int CeedOperatorSetup_Opt(CeedOperator op) { 126 bool is_setup_done; 127 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 128 if (is_setup_done) return CEED_ERROR_SUCCESS; 129 Ceed ceed; 130 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 131 Ceed_Opt *ceed_impl; 132 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 133 const CeedInt blk_size = ceed_impl->blk_size; 134 CeedOperator_Opt *impl; 135 CeedCallBackend(CeedOperatorGetData(op, &impl)); 136 CeedQFunction qf; 137 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 138 CeedInt Q, num_input_fields, num_output_fields; 139 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 140 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 141 CeedOperatorField *op_input_fields, *op_output_fields; 142 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 143 CeedQFunctionField *qf_input_fields, *qf_output_fields; 144 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 145 146 // Allocate 147 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->blk_restr)); 148 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 149 150 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 151 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 152 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 153 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 154 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 155 156 impl->num_inputs = num_input_fields; 157 impl->num_outputs = num_output_fields; 158 159 // Set up infield and outfield pointer arrays 160 // Infields 161 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, true, blk_size, impl->blk_restr, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, 162 num_input_fields, Q)); 163 // Outfields 164 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, false, blk_size, impl->blk_restr, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, 165 num_input_fields, num_output_fields, Q)); 166 167 // Identity QFunctions 168 if (impl->is_identity_qf) { 169 CeedEvalMode in_mode, out_mode; 170 CeedQFunctionField *in_fields, *out_fields; 171 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 172 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 173 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 174 175 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 176 impl->is_identity_restr_op = true; 177 } else { 178 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 179 } 180 } 181 182 CeedCallBackend(CeedOperatorSetSetupDone(op)); 183 184 return CEED_ERROR_SUCCESS; 185 } 186 187 //------------------------------------------------------------------------------ 188 // Setup Input Fields 189 //------------------------------------------------------------------------------ 190 static inline int CeedOperatorSetupInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 191 CeedVector in_vec, CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, 192 CeedRequest *request) { 193 CeedEvalMode eval_mode; 194 CeedVector vec; 195 uint64_t state; 196 197 for (CeedInt i = 0; i < num_input_fields; i++) { 198 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 199 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 200 } else { 201 // Get input vector 202 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 203 if (vec != CEED_VECTOR_ACTIVE) { 204 // Restrict 205 CeedCallBackend(CeedVectorGetState(vec, &state)); 206 if (state != impl->input_states[i]) { 207 CeedCallBackend(CeedElemRestrictionApply(impl->blk_restr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 208 impl->input_states[i] = state; 209 } 210 // Get evec 211 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 212 } else { 213 // Set Qvec for CEED_EVAL_NONE 214 if (eval_mode == CEED_EVAL_NONE) { 215 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_in[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 216 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i])); 217 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_in[i], (const CeedScalar **)&e_data[i])); 218 } 219 } 220 } 221 } 222 return CEED_ERROR_SUCCESS; 223 } 224 225 //------------------------------------------------------------------------------ 226 // Input Basis Action 227 //------------------------------------------------------------------------------ 228 static inline int CeedOperatorInputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 229 CeedInt num_input_fields, CeedInt blk_size, CeedVector in_vec, bool skip_active, 230 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, CeedRequest *request) { 231 CeedInt elem_size, size, num_comp; 232 CeedElemRestriction elem_restr; 233 CeedEvalMode eval_mode; 234 CeedBasis basis; 235 CeedVector vec; 236 237 for (CeedInt i = 0; i < num_input_fields; i++) { 238 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 239 // Skip active input 240 if (skip_active) { 241 if (vec == CEED_VECTOR_ACTIVE) continue; 242 } 243 244 CeedInt active_in = 0; 245 // Get elem_size, eval_mode, size 246 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_restr)); 247 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_restr, &elem_size)); 248 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 249 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 250 // Restrict block active input 251 if (vec == CEED_VECTOR_ACTIVE) { 252 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[i], e / blk_size, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[i], request)); 253 active_in = 1; 254 } 255 // Basis action 256 switch (eval_mode) { 257 case CEED_EVAL_NONE: 258 if (!active_in) { 259 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * Q * size])); 260 } 261 break; 262 case CEED_EVAL_INTERP: 263 case CEED_EVAL_GRAD: 264 case CEED_EVAL_DIV: 265 case CEED_EVAL_CURL: 266 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 267 if (!active_in) { 268 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 269 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * elem_size * num_comp])); 270 } 271 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 272 break; 273 case CEED_EVAL_WEIGHT: 274 break; // No action 275 } 276 } 277 return CEED_ERROR_SUCCESS; 278 } 279 280 //------------------------------------------------------------------------------ 281 // Output Basis Action 282 //------------------------------------------------------------------------------ 283 static inline int CeedOperatorOutputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 284 CeedInt blk_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 285 CeedVector out_vec, CeedOperator_Opt *impl, CeedRequest *request) { 286 CeedElemRestriction elem_restr; 287 CeedEvalMode eval_mode; 288 CeedBasis basis; 289 CeedVector vec; 290 291 for (CeedInt i = 0; i < num_output_fields; i++) { 292 // Get elem_size, eval_mode, size 293 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_restr)); 294 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 295 // Basis action 296 switch (eval_mode) { 297 case CEED_EVAL_NONE: 298 break; // No action 299 case CEED_EVAL_INTERP: 300 case CEED_EVAL_GRAD: 301 case CEED_EVAL_DIV: 302 case CEED_EVAL_CURL: 303 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 304 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 305 break; 306 // LCOV_EXCL_START 307 case CEED_EVAL_WEIGHT: { 308 Ceed ceed; 309 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 310 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 311 // LCOV_EXCL_STOP 312 } 313 } 314 // Restrict output block 315 // Get output vector 316 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 317 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 318 // Restrict 319 CeedCallBackend( 320 CeedElemRestrictionApplyBlock(impl->blk_restr[i + impl->num_inputs], e / blk_size, CEED_TRANSPOSE, impl->e_vecs_out[i], vec, request)); 321 } 322 return CEED_ERROR_SUCCESS; 323 } 324 325 //------------------------------------------------------------------------------ 326 // Restore Input Vectors 327 //------------------------------------------------------------------------------ 328 static inline int CeedOperatorRestoreInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 329 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl) { 330 for (CeedInt i = 0; i < num_input_fields; i++) { 331 CeedEvalMode eval_mode; 332 CeedVector vec; 333 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 334 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 335 if (eval_mode != CEED_EVAL_WEIGHT && vec != CEED_VECTOR_ACTIVE) { 336 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data[i])); 337 } 338 } 339 return CEED_ERROR_SUCCESS; 340 } 341 342 //------------------------------------------------------------------------------ 343 // Operator Apply 344 //------------------------------------------------------------------------------ 345 static int CeedOperatorApplyAdd_Opt(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 346 Ceed ceed; 347 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 348 Ceed_Opt *ceed_impl; 349 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 350 CeedInt blk_size = ceed_impl->blk_size; 351 CeedOperator_Opt *impl; 352 CeedCallBackend(CeedOperatorGetData(op, &impl)); 353 CeedInt Q, num_input_fields, num_output_fields, num_elem; 354 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 355 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 356 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 357 CeedQFunction qf; 358 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 359 CeedOperatorField *op_input_fields, *op_output_fields; 360 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 361 CeedQFunctionField *qf_input_fields, *qf_output_fields; 362 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 363 CeedEvalMode eval_mode; 364 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 365 366 // Setup 367 CeedCallBackend(CeedOperatorSetup_Opt(op)); 368 369 // Restriction only operator 370 if (impl->is_identity_restr_op) { 371 for (CeedInt b = 0; b < num_blks; b++) { 372 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[0], b, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[0], request)); 373 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[1], b, CEED_TRANSPOSE, impl->e_vecs_in[0], out_vec, request)); 374 } 375 return CEED_ERROR_SUCCESS; 376 } 377 378 // Input Evecs and Restriction 379 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, in_vec, e_data, impl, request)); 380 381 // Output Lvecs, Evecs, and Qvecs 382 for (CeedInt i = 0; i < num_output_fields; i++) { 383 // Set Qvec if needed 384 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 385 if (eval_mode == CEED_EVAL_NONE) { 386 // Set qvec to single block evec 387 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_HOST, &e_data[i + num_input_fields])); 388 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i + num_input_fields])); 389 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_out[i], &e_data[i + num_input_fields])); 390 } 391 } 392 393 // Loop through elements 394 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 395 // Input basis apply 396 CeedCallBackend( 397 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, in_vec, false, e_data, impl, request)); 398 399 // Q function 400 if (!impl->is_identity_qf) { 401 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 402 } 403 404 // Output basis apply and restrict 405 CeedCallBackend(CeedOperatorOutputBasis_Opt(e, Q, qf_output_fields, op_output_fields, blk_size, num_input_fields, num_output_fields, op, out_vec, 406 impl, request)); 407 } 408 409 // Restore input arrays 410 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 411 412 return CEED_ERROR_SUCCESS; 413 } 414 415 //------------------------------------------------------------------------------ 416 // Core code for linear QFunction assembly 417 //------------------------------------------------------------------------------ 418 static inline int CeedOperatorLinearAssembleQFunctionCore_Opt(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 419 CeedRequest *request) { 420 Ceed ceed; 421 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 422 Ceed_Opt *ceed_impl; 423 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 424 const CeedInt blk_size = ceed_impl->blk_size; 425 CeedSize q_size; 426 CeedOperator_Opt *impl; 427 CeedCallBackend(CeedOperatorGetData(op, &impl)); 428 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 429 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 430 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 431 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 432 CeedQFunction qf; 433 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 434 CeedOperatorField *op_input_fields, *op_output_fields; 435 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 436 CeedQFunctionField *qf_input_fields, *qf_output_fields; 437 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 438 CeedVector vec, l_vec = impl->qf_l_vec; 439 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 440 CeedVector *active_in = impl->qf_active_in; 441 CeedScalar *a, *tmp; 442 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 443 444 // Setup 445 CeedCallBackend(CeedOperatorSetup_Opt(op)); 446 447 // Check for identity 448 CeedCheck(!impl->is_identity_qf, ceed, CEED_ERROR_BACKEND, "Assembling identity qfunctions not supported"); 449 450 // Input Evecs and Restriction 451 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, NULL, e_data, impl, request)); 452 453 // Count number of active input fields 454 if (!num_active_in) { 455 for (CeedInt i = 0; i < num_input_fields; i++) { 456 // Get input vector 457 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 458 // Check if active input 459 if (vec == CEED_VECTOR_ACTIVE) { 460 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 461 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 462 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &tmp)); 463 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 464 for (CeedInt field = 0; field < size; field++) { 465 q_size = (CeedSize)Q * blk_size; 466 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 467 CeedCallBackend(CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &tmp[field * Q * blk_size])); 468 } 469 num_active_in += size; 470 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &tmp)); 471 } 472 } 473 impl->num_active_in = num_active_in; 474 impl->qf_active_in = active_in; 475 } 476 477 // Count number of active output fields 478 if (!num_active_out) { 479 for (CeedInt i = 0; i < num_output_fields; i++) { 480 // Get output vector 481 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 482 // Check if active output 483 if (vec == CEED_VECTOR_ACTIVE) { 484 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 485 num_active_out += size; 486 } 487 } 488 impl->num_active_out = num_active_out; 489 } 490 491 // Check sizes 492 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 493 494 // Setup l_vec 495 if (!l_vec) { 496 CeedSize l_size = (CeedSize)blk_size * Q * num_active_in * num_active_out; 497 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 498 CeedCallBackend(CeedVectorSetValue(l_vec, 0.0)); 499 impl->qf_l_vec = l_vec; 500 } 501 502 // Build objects if needed 503 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 504 if (build_objects) { 505 // Create output restriction 506 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed, num_elem, Q, num_active_in * num_active_out, num_active_in * num_active_out * num_elem * Q, 507 strides, rstr)); 508 // Create assembled vector 509 CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 510 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 511 } 512 513 // Output blocked restriction 514 CeedElemRestriction blk_rstr = impl->qf_blk_rstr; 515 if (!blk_rstr) { 516 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, blk_size, num_active_in * num_active_out, 517 num_active_in * num_active_out * num_elem * Q, strides, &blk_rstr)); 518 impl->qf_blk_rstr = blk_rstr; 519 } 520 521 // Loop through elements 522 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 523 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 524 CeedCallBackend(CeedVectorGetArray(l_vec, CEED_MEM_HOST, &a)); 525 526 // Input basis apply 527 CeedCallBackend( 528 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, NULL, true, e_data, impl, request)); 529 530 // Assemble QFunction 531 for (CeedInt in = 0; in < num_active_in; in++) { 532 // Set Inputs 533 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 534 if (num_active_in > 1) { 535 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 536 } 537 // Set Outputs 538 for (CeedInt out = 0; out < num_output_fields; out++) { 539 // Get output vector 540 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 541 // Check if active output 542 if (vec == CEED_VECTOR_ACTIVE) { 543 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, a)); 544 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 545 a += size * Q * blk_size; // Advance the pointer by the size of the output 546 } 547 } 548 // Apply QFunction 549 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 550 } 551 552 // Assemble into assembled vector 553 CeedCallBackend(CeedVectorRestoreArray(l_vec, &a)); 554 CeedCallBackend(CeedElemRestrictionApplyBlock(blk_rstr, e / blk_size, CEED_TRANSPOSE, l_vec, *assembled, request)); 555 } 556 557 // Un-set output Qvecs to prevent accidental overwrite of Assembled 558 for (CeedInt out = 0; out < num_output_fields; out++) { 559 // Get output vector 560 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 561 // Check if active output 562 if (vec == CEED_VECTOR_ACTIVE) { 563 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 564 } 565 } 566 567 // Restore input arrays 568 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 569 570 return CEED_ERROR_SUCCESS; 571 } 572 573 //------------------------------------------------------------------------------ 574 // Assemble Linear QFunction 575 //------------------------------------------------------------------------------ 576 static int CeedOperatorLinearAssembleQFunction_Opt(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 577 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, true, assembled, rstr, request); 578 } 579 580 //------------------------------------------------------------------------------ 581 // Update Assembled Linear QFunction 582 //------------------------------------------------------------------------------ 583 static int CeedOperatorLinearAssembleQFunctionUpdate_Opt(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 584 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, false, &assembled, &rstr, request); 585 } 586 587 //------------------------------------------------------------------------------ 588 // Operator Destroy 589 //------------------------------------------------------------------------------ 590 static int CeedOperatorDestroy_Opt(CeedOperator op) { 591 CeedOperator_Opt *impl; 592 CeedCallBackend(CeedOperatorGetData(op, &impl)); 593 594 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 595 CeedCallBackend(CeedElemRestrictionDestroy(&impl->blk_restr[i])); 596 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 597 } 598 CeedCallBackend(CeedFree(&impl->blk_restr)); 599 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 600 CeedCallBackend(CeedFree(&impl->input_states)); 601 602 for (CeedInt i = 0; i < impl->num_inputs; i++) { 603 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 604 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 605 } 606 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 607 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 608 609 for (CeedInt i = 0; i < impl->num_outputs; i++) { 610 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 611 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 612 } 613 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 614 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 615 616 // QFunction assembly data 617 for (CeedInt i = 0; i < impl->num_active_in; i++) { 618 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 619 } 620 CeedCallBackend(CeedFree(&impl->qf_active_in)); 621 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 622 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_blk_rstr)); 623 624 CeedCallBackend(CeedFree(&impl)); 625 return CEED_ERROR_SUCCESS; 626 } 627 628 //------------------------------------------------------------------------------ 629 // Operator Create 630 //------------------------------------------------------------------------------ 631 int CeedOperatorCreate_Opt(CeedOperator op) { 632 Ceed ceed; 633 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 634 Ceed_Opt *ceed_impl; 635 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 636 CeedInt blk_size = ceed_impl->blk_size; 637 CeedOperator_Opt *impl; 638 639 CeedCallBackend(CeedCalloc(1, &impl)); 640 CeedCallBackend(CeedOperatorSetData(op, impl)); 641 642 CeedCheck(blk_size == 1 || blk_size == 8, ceed, CEED_ERROR_BACKEND, "Opt backend cannot use blocksize: %" CeedInt_FMT, blk_size); 643 644 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Opt)); 645 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Opt)); 646 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Opt)); 647 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Opt)); 648 return CEED_ERROR_SUCCESS; 649 } 650 651 //------------------------------------------------------------------------------ 652