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 switch (rstr_type) { 57 case CEED_RESTRICTION_DEFAULT: { 58 const CeedInt *offsets = NULL; 59 CeedCallBackend(CeedElemRestrictionGetOffsets(r, CEED_MEM_HOST, &offsets)); 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 CeedCallBackend(CeedElemRestrictionRestoreOffsets(r, &offsets)); 63 } break; 64 case CEED_RESTRICTION_ORIENTED: { 65 const CeedInt *offsets = NULL; 66 const bool *orients = NULL; 67 CeedCallBackend(CeedElemRestrictionGetOffsets(r, CEED_MEM_HOST, &offsets)); 68 CeedCallBackend(CeedElemRestrictionGetOrientations(r, CEED_MEM_HOST, &orients)); 69 CeedCallBackend(CeedElemRestrictionCreateBlockedOriented(ceed, num_elem, elem_size, blk_size, num_comp, comp_stride, l_size, CEED_MEM_HOST, 70 CEED_COPY_VALUES, offsets, orients, &blk_restr[i + start_e])); 71 CeedCallBackend(CeedElemRestrictionRestoreOffsets(r, &offsets)); 72 CeedCallBackend(CeedElemRestrictionRestoreOrientations(r, &orients)); 73 } break; 74 case CEED_RESTRICTION_CURL_ORIENTED: { 75 const CeedInt *offsets = NULL; 76 const CeedInt *curl_orients = NULL; 77 CeedCallBackend(CeedElemRestrictionGetOffsets(r, CEED_MEM_HOST, &offsets)); 78 CeedCallBackend(CeedElemRestrictionGetCurlOrientations(r, CEED_MEM_HOST, &curl_orients)); 79 CeedCallBackend(CeedElemRestrictionCreateBlockedCurlOriented(ceed, num_elem, elem_size, blk_size, num_comp, comp_stride, l_size, 80 CEED_MEM_HOST, CEED_COPY_VALUES, offsets, curl_orients, 81 &blk_restr[i + start_e])); 82 CeedCallBackend(CeedElemRestrictionRestoreOffsets(r, &offsets)); 83 CeedCallBackend(CeedElemRestrictionRestoreCurlOrientations(r, &curl_orients)); 84 } break; 85 case CEED_RESTRICTION_STRIDED: { 86 CeedInt strides[3]; 87 CeedCallBackend(CeedElemRestrictionGetStrides(r, &strides)); 88 CeedCallBackend( 89 CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, elem_size, blk_size, num_comp, l_size, strides, &blk_restr[i + start_e])); 90 } break; 91 } 92 CeedCallBackend(CeedElemRestrictionCreateVector(blk_restr[i + start_e], NULL, &e_vecs_full[i + start_e])); 93 } 94 95 switch (eval_mode) { 96 case CEED_EVAL_NONE: 97 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 98 e_size = (CeedSize)Q * size * blk_size; 99 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 100 q_size = (CeedSize)Q * size * blk_size; 101 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 102 break; 103 case CEED_EVAL_INTERP: 104 case CEED_EVAL_GRAD: 105 case CEED_EVAL_DIV: 106 case CEED_EVAL_CURL: 107 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 108 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 109 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 110 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 111 e_size = (CeedSize)P * num_comp * blk_size; 112 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 113 q_size = (CeedSize)Q * size * blk_size; 114 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 115 break; 116 case CEED_EVAL_WEIGHT: // Only on input fields 117 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 118 q_size = (CeedSize)Q * blk_size; 119 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 120 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 121 break; 122 } 123 if (is_input && !!e_vecs[i]) { 124 CeedCallBackend(CeedVectorSetArray(e_vecs[i], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 125 } 126 } 127 return CEED_ERROR_SUCCESS; 128 } 129 130 //------------------------------------------------------------------------------ 131 // Setup Operator 132 //------------------------------------------------------------------------------ 133 static int CeedOperatorSetup_Opt(CeedOperator op) { 134 bool is_setup_done; 135 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 136 if (is_setup_done) return CEED_ERROR_SUCCESS; 137 Ceed ceed; 138 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 139 Ceed_Opt *ceed_impl; 140 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 141 const CeedInt blk_size = ceed_impl->blk_size; 142 CeedOperator_Opt *impl; 143 CeedCallBackend(CeedOperatorGetData(op, &impl)); 144 CeedQFunction qf; 145 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 146 CeedInt Q, num_input_fields, num_output_fields; 147 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 148 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 149 CeedOperatorField *op_input_fields, *op_output_fields; 150 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 151 CeedQFunctionField *qf_input_fields, *qf_output_fields; 152 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 153 154 // Allocate 155 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->blk_restr)); 156 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 157 158 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 159 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 160 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 161 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 162 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 163 164 impl->num_inputs = num_input_fields; 165 impl->num_outputs = num_output_fields; 166 167 // Set up infield and outfield pointer arrays 168 // Infields 169 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, true, blk_size, impl->blk_restr, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, 170 num_input_fields, Q)); 171 // Outfields 172 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, false, blk_size, impl->blk_restr, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, 173 num_input_fields, num_output_fields, Q)); 174 175 // Identity QFunctions 176 if (impl->is_identity_qf) { 177 CeedEvalMode in_mode, out_mode; 178 CeedQFunctionField *in_fields, *out_fields; 179 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 180 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 181 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 182 183 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 184 impl->is_identity_restr_op = true; 185 } else { 186 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 187 } 188 } 189 190 CeedCallBackend(CeedOperatorSetSetupDone(op)); 191 192 return CEED_ERROR_SUCCESS; 193 } 194 195 //------------------------------------------------------------------------------ 196 // Setup Input Fields 197 //------------------------------------------------------------------------------ 198 static inline int CeedOperatorSetupInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 199 CeedVector in_vec, CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, 200 CeedRequest *request) { 201 CeedEvalMode eval_mode; 202 CeedVector vec; 203 uint64_t state; 204 205 for (CeedInt i = 0; i < num_input_fields; i++) { 206 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 207 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 208 } else { 209 // Get input vector 210 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 211 if (vec != CEED_VECTOR_ACTIVE) { 212 // Restrict 213 CeedCallBackend(CeedVectorGetState(vec, &state)); 214 if (state != impl->input_states[i]) { 215 CeedCallBackend(CeedElemRestrictionApply(impl->blk_restr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 216 impl->input_states[i] = state; 217 } 218 // Get evec 219 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 220 } else { 221 // Set Qvec for CEED_EVAL_NONE 222 if (eval_mode == CEED_EVAL_NONE) { 223 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_in[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 224 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i])); 225 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_in[i], (const CeedScalar **)&e_data[i])); 226 } 227 } 228 } 229 } 230 return CEED_ERROR_SUCCESS; 231 } 232 233 //------------------------------------------------------------------------------ 234 // Input Basis Action 235 //------------------------------------------------------------------------------ 236 static inline int CeedOperatorInputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 237 CeedInt num_input_fields, CeedInt blk_size, CeedVector in_vec, bool skip_active, 238 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, CeedRequest *request) { 239 CeedInt elem_size, size, num_comp; 240 CeedElemRestriction elem_restr; 241 CeedEvalMode eval_mode; 242 CeedBasis basis; 243 CeedVector vec; 244 245 for (CeedInt i = 0; i < num_input_fields; i++) { 246 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 247 // Skip active input 248 if (skip_active) { 249 if (vec == CEED_VECTOR_ACTIVE) continue; 250 } 251 252 CeedInt active_in = 0; 253 // Get elem_size, eval_mode, size 254 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_restr)); 255 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_restr, &elem_size)); 256 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 257 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 258 // Restrict block active input 259 if (vec == CEED_VECTOR_ACTIVE) { 260 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[i], e / blk_size, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[i], request)); 261 active_in = 1; 262 } 263 // Basis action 264 switch (eval_mode) { 265 case CEED_EVAL_NONE: 266 if (!active_in) { 267 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * Q * size])); 268 } 269 break; 270 case CEED_EVAL_INTERP: 271 case CEED_EVAL_GRAD: 272 case CEED_EVAL_DIV: 273 case CEED_EVAL_CURL: 274 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 275 if (!active_in) { 276 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 277 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * elem_size * num_comp])); 278 } 279 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 280 break; 281 case CEED_EVAL_WEIGHT: 282 break; // No action 283 } 284 } 285 return CEED_ERROR_SUCCESS; 286 } 287 288 //------------------------------------------------------------------------------ 289 // Output Basis Action 290 //------------------------------------------------------------------------------ 291 static inline int CeedOperatorOutputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 292 CeedInt blk_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 293 CeedVector out_vec, CeedOperator_Opt *impl, CeedRequest *request) { 294 CeedElemRestriction elem_restr; 295 CeedEvalMode eval_mode; 296 CeedBasis basis; 297 CeedVector vec; 298 299 for (CeedInt i = 0; i < num_output_fields; i++) { 300 // Get elem_size, eval_mode, size 301 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_restr)); 302 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 303 // Basis action 304 switch (eval_mode) { 305 case CEED_EVAL_NONE: 306 break; // No action 307 case CEED_EVAL_INTERP: 308 case CEED_EVAL_GRAD: 309 case CEED_EVAL_DIV: 310 case CEED_EVAL_CURL: 311 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 312 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 313 break; 314 // LCOV_EXCL_START 315 case CEED_EVAL_WEIGHT: { 316 Ceed ceed; 317 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 318 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 319 // LCOV_EXCL_STOP 320 } 321 } 322 // Restrict output block 323 // Get output vector 324 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 325 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 326 // Restrict 327 CeedCallBackend( 328 CeedElemRestrictionApplyBlock(impl->blk_restr[i + impl->num_inputs], e / blk_size, CEED_TRANSPOSE, impl->e_vecs_out[i], vec, request)); 329 } 330 return CEED_ERROR_SUCCESS; 331 } 332 333 //------------------------------------------------------------------------------ 334 // Restore Input Vectors 335 //------------------------------------------------------------------------------ 336 static inline int CeedOperatorRestoreInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 337 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl) { 338 for (CeedInt i = 0; i < num_input_fields; i++) { 339 CeedEvalMode eval_mode; 340 CeedVector vec; 341 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 342 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 343 if (eval_mode != CEED_EVAL_WEIGHT && vec != CEED_VECTOR_ACTIVE) { 344 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data[i])); 345 } 346 } 347 return CEED_ERROR_SUCCESS; 348 } 349 350 //------------------------------------------------------------------------------ 351 // Operator Apply 352 //------------------------------------------------------------------------------ 353 static int CeedOperatorApplyAdd_Opt(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 354 Ceed ceed; 355 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 356 Ceed_Opt *ceed_impl; 357 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 358 CeedInt blk_size = ceed_impl->blk_size; 359 CeedOperator_Opt *impl; 360 CeedCallBackend(CeedOperatorGetData(op, &impl)); 361 CeedInt Q, num_input_fields, num_output_fields, num_elem; 362 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 363 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 364 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 365 CeedQFunction qf; 366 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 367 CeedOperatorField *op_input_fields, *op_output_fields; 368 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 369 CeedQFunctionField *qf_input_fields, *qf_output_fields; 370 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 371 CeedEvalMode eval_mode; 372 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 373 374 // Setup 375 CeedCallBackend(CeedOperatorSetup_Opt(op)); 376 377 // Restriction only operator 378 if (impl->is_identity_restr_op) { 379 for (CeedInt b = 0; b < num_blks; b++) { 380 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[0], b, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[0], request)); 381 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[1], b, CEED_TRANSPOSE, impl->e_vecs_in[0], out_vec, request)); 382 } 383 return CEED_ERROR_SUCCESS; 384 } 385 386 // Input Evecs and Restriction 387 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, in_vec, e_data, impl, request)); 388 389 // Output Lvecs, Evecs, and Qvecs 390 for (CeedInt i = 0; i < num_output_fields; i++) { 391 // Set Qvec if needed 392 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 393 if (eval_mode == CEED_EVAL_NONE) { 394 // Set qvec to single block evec 395 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_HOST, &e_data[i + num_input_fields])); 396 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i + num_input_fields])); 397 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_out[i], &e_data[i + num_input_fields])); 398 } 399 } 400 401 // Loop through elements 402 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 403 // Input basis apply 404 CeedCallBackend( 405 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, in_vec, false, e_data, impl, request)); 406 407 // Q function 408 if (!impl->is_identity_qf) { 409 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 410 } 411 412 // Output basis apply and restrict 413 CeedCallBackend(CeedOperatorOutputBasis_Opt(e, Q, qf_output_fields, op_output_fields, blk_size, num_input_fields, num_output_fields, op, out_vec, 414 impl, request)); 415 } 416 417 // Restore input arrays 418 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 419 420 return CEED_ERROR_SUCCESS; 421 } 422 423 //------------------------------------------------------------------------------ 424 // Core code for linear QFunction assembly 425 //------------------------------------------------------------------------------ 426 static inline int CeedOperatorLinearAssembleQFunctionCore_Opt(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 427 CeedRequest *request) { 428 Ceed ceed; 429 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 430 Ceed_Opt *ceed_impl; 431 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 432 const CeedInt blk_size = ceed_impl->blk_size; 433 CeedSize q_size; 434 CeedOperator_Opt *impl; 435 CeedCallBackend(CeedOperatorGetData(op, &impl)); 436 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 437 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 438 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 439 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 440 CeedQFunction qf; 441 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 442 CeedOperatorField *op_input_fields, *op_output_fields; 443 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 444 CeedQFunctionField *qf_input_fields, *qf_output_fields; 445 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 446 CeedVector vec, l_vec = impl->qf_l_vec; 447 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 448 CeedVector *active_in = impl->qf_active_in; 449 CeedScalar *a, *tmp; 450 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 451 452 // Setup 453 CeedCallBackend(CeedOperatorSetup_Opt(op)); 454 455 // Check for identity 456 CeedCheck(!impl->is_identity_qf, ceed, CEED_ERROR_BACKEND, "Assembling identity qfunctions not supported"); 457 458 // Input Evecs and Restriction 459 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, NULL, e_data, impl, request)); 460 461 // Count number of active input fields 462 if (!num_active_in) { 463 for (CeedInt i = 0; i < num_input_fields; i++) { 464 // Get input vector 465 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 466 // Check if active input 467 if (vec == CEED_VECTOR_ACTIVE) { 468 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 469 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 470 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &tmp)); 471 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 472 for (CeedInt field = 0; field < size; field++) { 473 q_size = (CeedSize)Q * blk_size; 474 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 475 CeedCallBackend(CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &tmp[field * Q * blk_size])); 476 } 477 num_active_in += size; 478 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &tmp)); 479 } 480 } 481 impl->num_active_in = num_active_in; 482 impl->qf_active_in = active_in; 483 } 484 485 // Count number of active output fields 486 if (!num_active_out) { 487 for (CeedInt i = 0; i < num_output_fields; i++) { 488 // Get output vector 489 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 490 // Check if active output 491 if (vec == CEED_VECTOR_ACTIVE) { 492 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 493 num_active_out += size; 494 } 495 } 496 impl->num_active_out = num_active_out; 497 } 498 499 // Check sizes 500 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 501 502 // Setup l_vec 503 if (!l_vec) { 504 CeedSize l_size = (CeedSize)blk_size * Q * num_active_in * num_active_out; 505 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 506 CeedCallBackend(CeedVectorSetValue(l_vec, 0.0)); 507 impl->qf_l_vec = l_vec; 508 } 509 510 // Build objects if needed 511 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 512 if (build_objects) { 513 // Create output restriction 514 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed, num_elem, Q, num_active_in * num_active_out, num_active_in * num_active_out * num_elem * Q, 515 strides, rstr)); 516 // Create assembled vector 517 CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 518 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 519 } 520 521 // Output blocked restriction 522 CeedElemRestriction blk_rstr = impl->qf_blk_rstr; 523 if (!blk_rstr) { 524 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, blk_size, num_active_in * num_active_out, 525 num_active_in * num_active_out * num_elem * Q, strides, &blk_rstr)); 526 impl->qf_blk_rstr = blk_rstr; 527 } 528 529 // Loop through elements 530 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 531 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 532 CeedCallBackend(CeedVectorGetArray(l_vec, CEED_MEM_HOST, &a)); 533 534 // Input basis apply 535 CeedCallBackend( 536 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, NULL, true, e_data, impl, request)); 537 538 // Assemble QFunction 539 for (CeedInt in = 0; in < num_active_in; in++) { 540 // Set Inputs 541 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 542 if (num_active_in > 1) { 543 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 544 } 545 // Set Outputs 546 for (CeedInt out = 0; out < num_output_fields; out++) { 547 // Get output vector 548 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 549 // Check if active output 550 if (vec == CEED_VECTOR_ACTIVE) { 551 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, a)); 552 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 553 a += size * Q * blk_size; // Advance the pointer by the size of the output 554 } 555 } 556 // Apply QFunction 557 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 558 } 559 560 // Assemble into assembled vector 561 CeedCallBackend(CeedVectorRestoreArray(l_vec, &a)); 562 CeedCallBackend(CeedElemRestrictionApplyBlock(blk_rstr, e / blk_size, CEED_TRANSPOSE, l_vec, *assembled, request)); 563 } 564 565 // Un-set output Qvecs to prevent accidental overwrite of Assembled 566 for (CeedInt out = 0; out < num_output_fields; out++) { 567 // Get output vector 568 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 569 // Check if active output 570 if (vec == CEED_VECTOR_ACTIVE) { 571 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 572 } 573 } 574 575 // Restore input arrays 576 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 577 578 return CEED_ERROR_SUCCESS; 579 } 580 581 //------------------------------------------------------------------------------ 582 // Assemble Linear QFunction 583 //------------------------------------------------------------------------------ 584 static int CeedOperatorLinearAssembleQFunction_Opt(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 585 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, true, assembled, rstr, request); 586 } 587 588 //------------------------------------------------------------------------------ 589 // Update Assembled Linear QFunction 590 //------------------------------------------------------------------------------ 591 static int CeedOperatorLinearAssembleQFunctionUpdate_Opt(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 592 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, false, &assembled, &rstr, request); 593 } 594 595 //------------------------------------------------------------------------------ 596 // Operator Destroy 597 //------------------------------------------------------------------------------ 598 static int CeedOperatorDestroy_Opt(CeedOperator op) { 599 CeedOperator_Opt *impl; 600 CeedCallBackend(CeedOperatorGetData(op, &impl)); 601 602 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 603 CeedCallBackend(CeedElemRestrictionDestroy(&impl->blk_restr[i])); 604 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 605 } 606 CeedCallBackend(CeedFree(&impl->blk_restr)); 607 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 608 CeedCallBackend(CeedFree(&impl->input_states)); 609 610 for (CeedInt i = 0; i < impl->num_inputs; i++) { 611 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 612 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 613 } 614 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 615 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 616 617 for (CeedInt i = 0; i < impl->num_outputs; i++) { 618 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 619 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 620 } 621 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 622 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 623 624 // QFunction assembly data 625 for (CeedInt i = 0; i < impl->num_active_in; i++) { 626 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 627 } 628 CeedCallBackend(CeedFree(&impl->qf_active_in)); 629 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 630 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_blk_rstr)); 631 632 CeedCallBackend(CeedFree(&impl)); 633 return CEED_ERROR_SUCCESS; 634 } 635 636 //------------------------------------------------------------------------------ 637 // Operator Create 638 //------------------------------------------------------------------------------ 639 int CeedOperatorCreate_Opt(CeedOperator op) { 640 Ceed ceed; 641 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 642 Ceed_Opt *ceed_impl; 643 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 644 CeedInt blk_size = ceed_impl->blk_size; 645 CeedOperator_Opt *impl; 646 647 CeedCallBackend(CeedCalloc(1, &impl)); 648 CeedCallBackend(CeedOperatorSetData(op, impl)); 649 650 CeedCheck(blk_size == 1 || blk_size == 8, ceed, CEED_ERROR_BACKEND, "Opt backend cannot use blocksize: %" CeedInt_FMT, blk_size); 651 652 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Opt)); 653 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Opt)); 654 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Opt)); 655 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Opt)); 656 return CEED_ERROR_SUCCESS; 657 } 658 659 //------------------------------------------------------------------------------ 660