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 <stddef.h> 12 #include <stdint.h> 13 14 #include "ceed-blocked.h" 15 16 //------------------------------------------------------------------------------ 17 // Setup Input/Output Fields 18 //------------------------------------------------------------------------------ 19 static int CeedOperatorSetupFields_Blocked(CeedQFunction qf, CeedOperator op, bool is_input, CeedElemRestriction *blk_restr, CeedVector *e_vecs_full, 20 CeedVector *e_vecs, CeedVector *q_vecs, CeedInt start_e, CeedInt num_fields, CeedInt Q) { 21 CeedInt num_comp, size, P; 22 CeedSize e_size, q_size; 23 Ceed ceed; 24 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 25 CeedBasis basis; 26 CeedElemRestriction r; 27 CeedOperatorField *op_fields; 28 CeedQFunctionField *qf_fields; 29 if (is_input) { 30 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 31 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 32 } else { 33 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 34 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 35 } 36 const CeedInt blk_size = 8; 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 53 bool strided; 54 CeedCallBackend(CeedElemRestrictionIsStrided(r, &strided)); 55 if (strided) { 56 CeedInt strides[3]; 57 CeedCallBackend(CeedElemRestrictionGetStrides(r, &strides)); 58 CeedCallBackend( 59 CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, elem_size, blk_size, num_comp, l_size, strides, &blk_restr[i + start_e])); 60 } else { 61 const CeedInt *offsets = NULL; 62 const bool *orients = NULL; 63 const CeedInt *curl_orients = NULL; 64 CeedCallBackend(CeedElemRestrictionGetOffsets(r, CEED_MEM_HOST, &offsets)); 65 CeedCallBackend(CeedElemRestrictionGetOrientations(r, CEED_MEM_HOST, &orients)); 66 CeedCallBackend(CeedElemRestrictionGetCurlOrientations(r, CEED_MEM_HOST, &curl_orients)); 67 CeedCallBackend(CeedElemRestrictionGetCompStride(r, &comp_stride)); 68 if (!orients && !curl_orients) { 69 CeedCallBackend(CeedElemRestrictionCreateBlocked(ceed, num_elem, elem_size, blk_size, num_comp, comp_stride, l_size, CEED_MEM_HOST, 70 CEED_COPY_VALUES, offsets, &blk_restr[i + start_e])); 71 } else if (!curl_orients) { 72 CeedCallBackend(CeedElemRestrictionCreateBlockedOriented(ceed, num_elem, elem_size, blk_size, num_comp, comp_stride, l_size, CEED_MEM_HOST, 73 CEED_COPY_VALUES, offsets, orients, &blk_restr[i + start_e])); 74 } else { 75 CeedCallBackend(CeedElemRestrictionCreateBlockedCurlOriented(ceed, num_elem, elem_size, blk_size, num_comp, comp_stride, l_size, 76 CEED_MEM_HOST, CEED_COPY_VALUES, offsets, curl_orients, 77 &blk_restr[i + start_e])); 78 } 79 CeedCallBackend(CeedElemRestrictionRestoreOffsets(r, &offsets)); 80 CeedCallBackend(CeedElemRestrictionRestoreOrientations(r, &orients)); 81 CeedCallBackend(CeedElemRestrictionRestoreCurlOrientations(r, &curl_orients)); 82 } 83 CeedCallBackend(CeedElemRestrictionCreateVector(blk_restr[i + start_e], NULL, &e_vecs_full[i + start_e])); 84 } 85 86 switch (eval_mode) { 87 case CEED_EVAL_NONE: 88 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 89 q_size = (CeedSize)Q * size * blk_size; 90 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 91 break; 92 case CEED_EVAL_INTERP: 93 case CEED_EVAL_GRAD: 94 case CEED_EVAL_DIV: 95 case CEED_EVAL_CURL: 96 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 97 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 98 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 99 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 100 e_size = (CeedSize)P * num_comp * blk_size; 101 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 102 q_size = (CeedSize)Q * size * blk_size; 103 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 104 break; 105 case CEED_EVAL_WEIGHT: // Only on input fields 106 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 107 q_size = (CeedSize)Q * blk_size; 108 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 109 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 110 break; 111 } 112 } 113 return CEED_ERROR_SUCCESS; 114 } 115 116 //------------------------------------------------------------------------------ 117 // Setup Operator 118 //------------------------------------------------------------------------------ 119 static int CeedOperatorSetup_Blocked(CeedOperator op) { 120 bool is_setup_done; 121 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 122 if (is_setup_done) return CEED_ERROR_SUCCESS; 123 Ceed ceed; 124 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 125 CeedOperator_Blocked *impl; 126 CeedCallBackend(CeedOperatorGetData(op, &impl)); 127 CeedQFunction qf; 128 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 129 CeedInt Q, num_input_fields, num_output_fields; 130 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 131 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 132 CeedOperatorField *op_input_fields, *op_output_fields; 133 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 134 CeedQFunctionField *qf_input_fields, *qf_output_fields; 135 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 136 137 // Allocate 138 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->blk_restr)); 139 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 140 141 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 142 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 143 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 144 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 145 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 146 147 impl->num_inputs = num_input_fields; 148 impl->num_outputs = num_output_fields; 149 150 // Set up infield and outfield pointer arrays 151 // Infields 152 CeedCallBackend( 153 CeedOperatorSetupFields_Blocked(qf, op, true, impl->blk_restr, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, num_input_fields, Q)); 154 // Outfields 155 CeedCallBackend(CeedOperatorSetupFields_Blocked(qf, op, false, impl->blk_restr, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, 156 num_input_fields, num_output_fields, Q)); 157 158 // Identity QFunctions 159 if (impl->is_identity_qf) { 160 CeedEvalMode in_mode, out_mode; 161 CeedQFunctionField *in_fields, *out_fields; 162 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 163 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 164 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 165 166 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 167 impl->is_identity_restr_op = true; 168 } else { 169 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 170 } 171 } 172 173 CeedCallBackend(CeedOperatorSetSetupDone(op)); 174 175 return CEED_ERROR_SUCCESS; 176 } 177 178 //------------------------------------------------------------------------------ 179 // Setup Operator Inputs 180 //------------------------------------------------------------------------------ 181 static inline int CeedOperatorSetupInputs_Blocked(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 182 CeedVector in_vec, bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], 183 CeedOperator_Blocked *impl, CeedRequest *request) { 184 CeedEvalMode eval_mode; 185 CeedVector vec; 186 uint64_t state; 187 188 for (CeedInt i = 0; i < num_input_fields; i++) { 189 // Get input vector 190 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 191 if (vec == CEED_VECTOR_ACTIVE) { 192 if (skip_active) continue; 193 else vec = in_vec; 194 } 195 196 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 197 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 198 } else { 199 // Restrict 200 CeedCallBackend(CeedVectorGetState(vec, &state)); 201 if (state != impl->input_states[i] || vec == in_vec) { 202 CeedCallBackend(CeedElemRestrictionApply(impl->blk_restr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 203 impl->input_states[i] = state; 204 } 205 // Get evec 206 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data_full[i])); 207 } 208 } 209 return CEED_ERROR_SUCCESS; 210 } 211 212 //------------------------------------------------------------------------------ 213 // Input Basis Action 214 //------------------------------------------------------------------------------ 215 static inline int CeedOperatorInputBasis_Blocked(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 216 CeedInt num_input_fields, CeedInt blk_size, bool skip_active, 217 CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 218 CeedInt elem_size, size, num_comp; 219 CeedElemRestriction elem_restr; 220 CeedEvalMode eval_mode; 221 CeedBasis basis; 222 223 for (CeedInt i = 0; i < num_input_fields; i++) { 224 // Skip active input 225 if (skip_active) { 226 CeedVector vec; 227 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 228 if (vec == CEED_VECTOR_ACTIVE) continue; 229 } 230 231 // Get elem_size, eval_mode, size 232 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_restr)); 233 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_restr, &elem_size)); 234 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 235 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 236 // Basis action 237 switch (eval_mode) { 238 case CEED_EVAL_NONE: 239 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * Q * size])); 240 break; 241 case CEED_EVAL_INTERP: 242 case CEED_EVAL_GRAD: 243 case CEED_EVAL_DIV: 244 case CEED_EVAL_CURL: 245 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 246 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 247 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * elem_size * num_comp])); 248 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 249 break; 250 case CEED_EVAL_WEIGHT: 251 break; // No action 252 } 253 } 254 return CEED_ERROR_SUCCESS; 255 } 256 257 //------------------------------------------------------------------------------ 258 // Output Basis Action 259 //------------------------------------------------------------------------------ 260 static inline int CeedOperatorOutputBasis_Blocked(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 261 CeedInt blk_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 262 CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 263 CeedInt elem_size, num_comp; 264 CeedElemRestriction elem_restr; 265 CeedEvalMode eval_mode; 266 CeedBasis basis; 267 268 for (CeedInt i = 0; i < num_output_fields; i++) { 269 // Get elem_size, eval_mode, size 270 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_restr)); 271 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_restr, &elem_size)); 272 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 273 // Basis action 274 switch (eval_mode) { 275 case CEED_EVAL_NONE: 276 break; // No action 277 case CEED_EVAL_INTERP: 278 case CEED_EVAL_GRAD: 279 case CEED_EVAL_DIV: 280 case CEED_EVAL_CURL: 281 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 282 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 283 CeedCallBackend( 284 CeedVectorSetArray(impl->e_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * elem_size * num_comp])); 285 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 286 break; 287 // LCOV_EXCL_START 288 case CEED_EVAL_WEIGHT: { 289 Ceed ceed; 290 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 291 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 292 // LCOV_EXCL_STOP 293 } 294 } 295 } 296 return CEED_ERROR_SUCCESS; 297 } 298 299 //------------------------------------------------------------------------------ 300 // Restore Input Vectors 301 //------------------------------------------------------------------------------ 302 static inline int CeedOperatorRestoreInputs_Blocked(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 303 bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 304 CeedEvalMode eval_mode; 305 306 for (CeedInt i = 0; i < num_input_fields; i++) { 307 // Skip active inputs 308 if (skip_active) { 309 CeedVector vec; 310 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 311 if (vec == CEED_VECTOR_ACTIVE) continue; 312 } 313 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 314 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 315 } else { 316 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data_full[i])); 317 } 318 } 319 return CEED_ERROR_SUCCESS; 320 } 321 322 //------------------------------------------------------------------------------ 323 // Operator Apply 324 //------------------------------------------------------------------------------ 325 static int CeedOperatorApplyAdd_Blocked(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 326 CeedOperator_Blocked *impl; 327 CeedCallBackend(CeedOperatorGetData(op, &impl)); 328 const CeedInt blk_size = 8; 329 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 330 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 331 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 332 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 333 CeedQFunction qf; 334 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 335 CeedOperatorField *op_input_fields, *op_output_fields; 336 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 337 CeedQFunctionField *qf_input_fields, *qf_output_fields; 338 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 339 CeedEvalMode eval_mode; 340 CeedVector vec; 341 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 342 343 // Setup 344 CeedCallBackend(CeedOperatorSetup_Blocked(op)); 345 346 // Restriction only operator 347 if (impl->is_identity_restr_op) { 348 CeedCallBackend(CeedElemRestrictionApply(impl->blk_restr[0], CEED_NOTRANSPOSE, in_vec, impl->e_vecs_full[0], request)); 349 CeedCallBackend(CeedElemRestrictionApply(impl->blk_restr[1], CEED_TRANSPOSE, impl->e_vecs_full[0], out_vec, request)); 350 return CEED_ERROR_SUCCESS; 351 } 352 353 // Input Evecs and Restriction 354 CeedCallBackend(CeedOperatorSetupInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, in_vec, false, e_data_full, impl, request)); 355 356 // Output Evecs 357 for (CeedInt i = 0; i < num_output_fields; i++) { 358 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_full[i + impl->num_inputs], CEED_MEM_HOST, &e_data_full[i + num_input_fields])); 359 } 360 361 // Loop through elements 362 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 363 // Output pointers 364 for (CeedInt i = 0; i < num_output_fields; i++) { 365 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 366 if (eval_mode == CEED_EVAL_NONE) { 367 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 368 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * Q * size])); 369 } 370 } 371 372 // Input basis apply 373 CeedCallBackend(CeedOperatorInputBasis_Blocked(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, false, e_data_full, impl)); 374 375 // Q function 376 if (!impl->is_identity_qf) { 377 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 378 } 379 380 // Output basis apply 381 CeedCallBackend(CeedOperatorOutputBasis_Blocked(e, Q, qf_output_fields, op_output_fields, blk_size, num_input_fields, num_output_fields, op, 382 e_data_full, impl)); 383 } 384 385 // Output restriction 386 for (CeedInt i = 0; i < num_output_fields; i++) { 387 // Restore evec 388 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_full[i + impl->num_inputs], &e_data_full[i + num_input_fields])); 389 // Get output vector 390 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 391 // Active 392 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 393 // Restrict 394 CeedCallBackend( 395 CeedElemRestrictionApply(impl->blk_restr[i + impl->num_inputs], CEED_TRANSPOSE, impl->e_vecs_full[i + impl->num_inputs], vec, request)); 396 } 397 398 // Restore input arrays 399 CeedCallBackend(CeedOperatorRestoreInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, false, e_data_full, impl)); 400 401 return CEED_ERROR_SUCCESS; 402 } 403 404 //------------------------------------------------------------------------------ 405 // Core code for assembling linear QFunction 406 //------------------------------------------------------------------------------ 407 static inline int CeedOperatorLinearAssembleQFunctionCore_Blocked(CeedOperator op, bool build_objects, CeedVector *assembled, 408 CeedElemRestriction *rstr, CeedRequest *request) { 409 CeedOperator_Blocked *impl; 410 CeedCallBackend(CeedOperatorGetData(op, &impl)); 411 const CeedInt blk_size = 8; 412 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 413 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 414 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 415 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 416 CeedQFunction qf; 417 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 418 CeedOperatorField *op_input_fields, *op_output_fields; 419 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 420 CeedQFunctionField *qf_input_fields, *qf_output_fields; 421 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 422 CeedVector vec, l_vec = impl->qf_l_vec; 423 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 424 CeedSize q_size; 425 CeedVector *active_in = impl->qf_active_in; 426 CeedScalar *a, *tmp; 427 Ceed ceed; 428 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 429 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 430 431 // Setup 432 CeedCallBackend(CeedOperatorSetup_Blocked(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_Blocked(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data_full, 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 Lvec 482 if (!l_vec) { 483 CeedSize l_size = (CeedSize)num_blks * blk_size * Q * num_active_in * num_active_out; 484 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 485 impl->qf_l_vec = l_vec; 486 } 487 CeedCallBackend(CeedVectorGetArrayWrite(l_vec, CEED_MEM_HOST, &a)); 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 // Loop through elements 501 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 502 // Input basis apply 503 CeedCallBackend(CeedOperatorInputBasis_Blocked(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, true, e_data_full, impl)); 504 505 // Assemble QFunction 506 for (CeedInt in = 0; in < num_active_in; in++) { 507 // Set Inputs 508 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 509 if (num_active_in > 1) { 510 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 511 } 512 // Set Outputs 513 for (CeedInt out = 0; out < num_output_fields; out++) { 514 // Get output vector 515 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 516 // Check if active output 517 if (vec == CEED_VECTOR_ACTIVE) { 518 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, a)); 519 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 520 a += size * Q * blk_size; // Advance the pointer by the size of the output 521 } 522 } 523 // Apply QFunction 524 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 525 } 526 } 527 528 // Un-set output Qvecs to prevent accidental overwrite of Assembled 529 for (CeedInt out = 0; out < num_output_fields; out++) { 530 // Get output vector 531 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 532 // Check if active output 533 if (vec == CEED_VECTOR_ACTIVE) { 534 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 535 } 536 } 537 538 // Restore input arrays 539 CeedCallBackend(CeedOperatorRestoreInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, true, e_data_full, impl)); 540 541 // Output blocked restriction 542 CeedCallBackend(CeedVectorRestoreArray(l_vec, &a)); 543 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 544 CeedElemRestriction blk_rstr = impl->qf_blk_rstr; 545 if (!impl->qf_blk_rstr) { 546 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, blk_size, num_active_in * num_active_out, 547 num_active_in * num_active_out * num_elem * Q, strides, &blk_rstr)); 548 impl->qf_blk_rstr = blk_rstr; 549 } 550 CeedCallBackend(CeedElemRestrictionApply(blk_rstr, CEED_TRANSPOSE, l_vec, *assembled, request)); 551 552 return CEED_ERROR_SUCCESS; 553 } 554 555 //------------------------------------------------------------------------------ 556 // Assemble Linear QFunction 557 //------------------------------------------------------------------------------ 558 static int CeedOperatorLinearAssembleQFunction_Blocked(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 559 return CeedOperatorLinearAssembleQFunctionCore_Blocked(op, true, assembled, rstr, request); 560 } 561 562 //------------------------------------------------------------------------------ 563 // Update Assembled Linear QFunction 564 //------------------------------------------------------------------------------ 565 static int CeedOperatorLinearAssembleQFunctionUpdate_Blocked(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 566 return CeedOperatorLinearAssembleQFunctionCore_Blocked(op, false, &assembled, &rstr, request); 567 } 568 569 //------------------------------------------------------------------------------ 570 // Operator Destroy 571 //------------------------------------------------------------------------------ 572 static int CeedOperatorDestroy_Blocked(CeedOperator op) { 573 CeedOperator_Blocked *impl; 574 CeedCallBackend(CeedOperatorGetData(op, &impl)); 575 576 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 577 CeedCallBackend(CeedElemRestrictionDestroy(&impl->blk_restr[i])); 578 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 579 } 580 CeedCallBackend(CeedFree(&impl->blk_restr)); 581 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 582 CeedCallBackend(CeedFree(&impl->input_states)); 583 584 for (CeedInt i = 0; i < impl->num_inputs; i++) { 585 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 586 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 587 } 588 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 589 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 590 591 for (CeedInt i = 0; i < impl->num_outputs; i++) { 592 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 593 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 594 } 595 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 596 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 597 598 // QFunction assembly data 599 for (CeedInt i = 0; i < impl->num_active_in; i++) { 600 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 601 } 602 CeedCallBackend(CeedFree(&impl->qf_active_in)); 603 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 604 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_blk_rstr)); 605 606 CeedCallBackend(CeedFree(&impl)); 607 return CEED_ERROR_SUCCESS; 608 } 609 610 //------------------------------------------------------------------------------ 611 // Operator Create 612 //------------------------------------------------------------------------------ 613 int CeedOperatorCreate_Blocked(CeedOperator op) { 614 Ceed ceed; 615 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 616 CeedOperator_Blocked *impl; 617 618 CeedCallBackend(CeedCalloc(1, &impl)); 619 CeedCallBackend(CeedOperatorSetData(op, impl)); 620 621 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Blocked)); 622 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Blocked)); 623 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Blocked)); 624 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Blocked)); 625 return CEED_ERROR_SUCCESS; 626 } 627 628 //------------------------------------------------------------------------------ 629