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