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