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 *block_rstr, CeedVector *e_vecs_full, 20 CeedVector *e_vecs, CeedVector *q_vecs, CeedInt start_e, CeedInt num_fields, CeedInt Q) { 21 Ceed ceed; 22 CeedSize e_size, q_size; 23 CeedInt num_comp, size, P; 24 const CeedInt block_size = 8; 25 CeedQFunctionField *qf_fields; 26 CeedOperatorField *op_fields; 27 28 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 29 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 CeedBasis basis; 42 43 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 44 45 if (eval_mode != CEED_EVAL_WEIGHT) { 46 Ceed ceed_rstr; 47 CeedSize l_size; 48 CeedInt num_elem, elem_size, comp_stride; 49 CeedRestrictionType rstr_type; 50 CeedElemRestriction rstr; 51 52 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr)); 53 CeedCallBackend(CeedElemRestrictionGetCeed(rstr, &ceed_rstr)); 54 CeedCallBackend(CeedElemRestrictionGetNumElements(rstr, &num_elem)); 55 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr, &elem_size)); 56 CeedCallBackend(CeedElemRestrictionGetLVectorSize(rstr, &l_size)); 57 CeedCallBackend(CeedElemRestrictionGetNumComponents(rstr, &num_comp)); 58 CeedCallBackend(CeedElemRestrictionGetCompStride(rstr, &comp_stride)); 59 60 CeedCallBackend(CeedElemRestrictionGetType(rstr, &rstr_type)); 61 switch (rstr_type) { 62 case CEED_RESTRICTION_STANDARD: { 63 const CeedInt *offsets = NULL; 64 65 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr, CEED_MEM_HOST, &offsets)); 66 CeedCallBackend(CeedElemRestrictionCreateBlocked(ceed_rstr, num_elem, elem_size, block_size, num_comp, comp_stride, l_size, CEED_MEM_HOST, 67 CEED_COPY_VALUES, offsets, &block_rstr[i + start_e])); 68 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr, &offsets)); 69 } break; 70 case CEED_RESTRICTION_ORIENTED: { 71 const bool *orients = NULL; 72 const CeedInt *offsets = NULL; 73 74 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr, CEED_MEM_HOST, &offsets)); 75 CeedCallBackend(CeedElemRestrictionGetOrientations(rstr, CEED_MEM_HOST, &orients)); 76 CeedCallBackend(CeedElemRestrictionCreateBlockedOriented(ceed_rstr, num_elem, elem_size, block_size, num_comp, comp_stride, l_size, 77 CEED_MEM_HOST, CEED_COPY_VALUES, offsets, orients, &block_rstr[i + start_e])); 78 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr, &offsets)); 79 CeedCallBackend(CeedElemRestrictionRestoreOrientations(rstr, &orients)); 80 } break; 81 case CEED_RESTRICTION_CURL_ORIENTED: { 82 const CeedInt8 *curl_orients = NULL; 83 const CeedInt *offsets = NULL; 84 85 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr, CEED_MEM_HOST, &offsets)); 86 CeedCallBackend(CeedElemRestrictionGetCurlOrientations(rstr, CEED_MEM_HOST, &curl_orients)); 87 CeedCallBackend(CeedElemRestrictionCreateBlockedCurlOriented(ceed_rstr, num_elem, elem_size, block_size, num_comp, comp_stride, l_size, 88 CEED_MEM_HOST, CEED_COPY_VALUES, offsets, curl_orients, 89 &block_rstr[i + start_e])); 90 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr, &offsets)); 91 CeedCallBackend(CeedElemRestrictionRestoreCurlOrientations(rstr, &curl_orients)); 92 } break; 93 case CEED_RESTRICTION_STRIDED: { 94 CeedInt strides[3]; 95 96 CeedCallBackend(CeedElemRestrictionGetStrides(rstr, &strides)); 97 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed_rstr, num_elem, elem_size, block_size, num_comp, l_size, strides, 98 &block_rstr[i + start_e])); 99 } break; 100 } 101 CeedCallBackend(CeedElemRestrictionCreateVector(block_rstr[i + start_e], NULL, &e_vecs_full[i + start_e])); 102 } 103 104 switch (eval_mode) { 105 case CEED_EVAL_NONE: 106 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 107 q_size = (CeedSize)Q * size * block_size; 108 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 109 break; 110 case CEED_EVAL_INTERP: 111 case CEED_EVAL_GRAD: 112 case CEED_EVAL_DIV: 113 case CEED_EVAL_CURL: 114 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 115 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 116 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 117 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 118 e_size = (CeedSize)P * num_comp * block_size; 119 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 120 q_size = (CeedSize)Q * size * block_size; 121 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 122 break; 123 case CEED_EVAL_WEIGHT: // Only on input fields 124 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 125 q_size = (CeedSize)Q * block_size; 126 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 127 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 128 break; 129 } 130 } 131 return CEED_ERROR_SUCCESS; 132 } 133 134 //------------------------------------------------------------------------------ 135 // Setup Operator 136 //------------------------------------------------------------------------------ 137 static int CeedOperatorSetup_Blocked(CeedOperator op) { 138 bool is_setup_done; 139 Ceed ceed; 140 CeedInt Q, num_input_fields, num_output_fields; 141 CeedQFunctionField *qf_input_fields, *qf_output_fields; 142 CeedQFunction qf; 143 CeedOperatorField *op_input_fields, *op_output_fields; 144 CeedOperator_Blocked *impl; 145 146 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 147 if (is_setup_done) return CEED_ERROR_SUCCESS; 148 149 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 150 CeedCallBackend(CeedOperatorGetData(op, &impl)); 151 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 152 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 153 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 154 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 155 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 156 157 // Allocate 158 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->block_rstr)); 159 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 160 161 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 162 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 163 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 164 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 165 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 166 167 impl->num_inputs = num_input_fields; 168 impl->num_outputs = num_output_fields; 169 170 // Set up infield and outfield pointer arrays 171 // Infields 172 CeedCallBackend( 173 CeedOperatorSetupFields_Blocked(qf, op, true, impl->block_rstr, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, num_input_fields, Q)); 174 // Outfields 175 CeedCallBackend(CeedOperatorSetupFields_Blocked(qf, op, false, impl->block_rstr, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, 176 num_input_fields, num_output_fields, Q)); 177 178 // Identity QFunctions 179 if (impl->is_identity_qf) { 180 CeedEvalMode in_mode, out_mode; 181 CeedQFunctionField *in_fields, *out_fields; 182 183 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 184 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 185 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 186 187 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 188 impl->is_identity_rstr_op = true; 189 } else { 190 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 191 } 192 } 193 194 CeedCallBackend(CeedOperatorSetSetupDone(op)); 195 return CEED_ERROR_SUCCESS; 196 } 197 198 //------------------------------------------------------------------------------ 199 // Setup Operator Inputs 200 //------------------------------------------------------------------------------ 201 static inline int CeedOperatorSetupInputs_Blocked(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 202 CeedVector in_vec, bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], 203 CeedOperator_Blocked *impl, CeedRequest *request) { 204 for (CeedInt i = 0; i < num_input_fields; i++) { 205 uint64_t state; 206 CeedEvalMode eval_mode; 207 CeedVector vec; 208 209 // Get input vector 210 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 211 if (vec == CEED_VECTOR_ACTIVE) { 212 if (skip_active) continue; 213 else vec = in_vec; 214 } 215 216 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 217 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 218 } else { 219 // Restrict 220 CeedCallBackend(CeedVectorGetState(vec, &state)); 221 if (state != impl->input_states[i] || vec == in_vec) { 222 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 223 impl->input_states[i] = state; 224 } 225 // Get evec 226 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data_full[i])); 227 } 228 } 229 return CEED_ERROR_SUCCESS; 230 } 231 232 //------------------------------------------------------------------------------ 233 // Input Basis Action 234 //------------------------------------------------------------------------------ 235 static inline int CeedOperatorInputBasis_Blocked(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 236 CeedInt num_input_fields, CeedInt block_size, bool skip_active, 237 CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 238 for (CeedInt i = 0; i < num_input_fields; i++) { 239 CeedInt elem_size, size, num_comp; 240 CeedEvalMode eval_mode; 241 CeedElemRestriction elem_rstr; 242 CeedBasis basis; 243 244 // Skip active input 245 if (skip_active) { 246 CeedVector vec; 247 248 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 249 if (vec == CEED_VECTOR_ACTIVE) continue; 250 } 251 252 // Get elem_size, eval_mode, size 253 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); 254 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 255 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 256 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 257 // Basis action 258 switch (eval_mode) { 259 case CEED_EVAL_NONE: 260 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * Q * size])); 261 break; 262 case CEED_EVAL_INTERP: 263 case CEED_EVAL_GRAD: 264 case CEED_EVAL_DIV: 265 case CEED_EVAL_CURL: 266 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 267 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 268 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * elem_size * num_comp])); 269 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 270 break; 271 case CEED_EVAL_WEIGHT: 272 break; // No action 273 } 274 } 275 return CEED_ERROR_SUCCESS; 276 } 277 278 //------------------------------------------------------------------------------ 279 // Output Basis Action 280 //------------------------------------------------------------------------------ 281 static inline int CeedOperatorOutputBasis_Blocked(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 282 CeedInt block_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 283 CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 284 for (CeedInt i = 0; i < num_output_fields; i++) { 285 CeedInt elem_size, num_comp; 286 CeedEvalMode eval_mode; 287 CeedElemRestriction elem_rstr; 288 CeedBasis basis; 289 290 // Get elem_size, eval_mode, size 291 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); 292 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 293 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 294 // Basis action 295 switch (eval_mode) { 296 case CEED_EVAL_NONE: 297 break; // No action 298 case CEED_EVAL_INTERP: 299 case CEED_EVAL_GRAD: 300 case CEED_EVAL_DIV: 301 case CEED_EVAL_CURL: 302 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 303 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 304 CeedCallBackend( 305 CeedVectorSetArray(impl->e_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * elem_size * num_comp])); 306 CeedCallBackend(CeedBasisApply(basis, block_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 } 317 return CEED_ERROR_SUCCESS; 318 } 319 320 //------------------------------------------------------------------------------ 321 // Restore Input Vectors 322 //------------------------------------------------------------------------------ 323 static inline int CeedOperatorRestoreInputs_Blocked(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 324 bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 325 for (CeedInt i = 0; i < num_input_fields; i++) { 326 CeedEvalMode eval_mode; 327 328 // Skip active inputs 329 if (skip_active) { 330 CeedVector vec; 331 332 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 333 if (vec == CEED_VECTOR_ACTIVE) continue; 334 } 335 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 336 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 337 } else { 338 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data_full[i])); 339 } 340 } 341 return CEED_ERROR_SUCCESS; 342 } 343 344 //------------------------------------------------------------------------------ 345 // Operator Apply 346 //------------------------------------------------------------------------------ 347 static int CeedOperatorApplyAdd_Blocked(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 348 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 349 const CeedInt block_size = 8; 350 CeedEvalMode eval_mode; 351 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 352 CeedQFunctionField *qf_input_fields, *qf_output_fields; 353 CeedQFunction qf; 354 CeedOperatorField *op_input_fields, *op_output_fields; 355 CeedOperator_Blocked *impl; 356 357 CeedCallBackend(CeedOperatorGetData(op, &impl)); 358 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 359 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 360 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 361 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 362 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 363 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 364 365 // Setup 366 CeedCallBackend(CeedOperatorSetup_Blocked(op)); 367 368 // Restriction only operator 369 if (impl->is_identity_rstr_op) { 370 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[0], CEED_NOTRANSPOSE, in_vec, impl->e_vecs_full[0], request)); 371 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[1], CEED_TRANSPOSE, impl->e_vecs_full[0], out_vec, request)); 372 return CEED_ERROR_SUCCESS; 373 } 374 375 // Input Evecs and Restriction 376 CeedCallBackend(CeedOperatorSetupInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, in_vec, false, e_data_full, impl, request)); 377 378 // Output Evecs 379 for (CeedInt i = 0; i < num_output_fields; i++) { 380 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_full[i + impl->num_inputs], CEED_MEM_HOST, &e_data_full[i + num_input_fields])); 381 } 382 383 // Loop through elements 384 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 385 // Output pointers 386 for (CeedInt i = 0; i < num_output_fields; i++) { 387 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 388 if (eval_mode == CEED_EVAL_NONE) { 389 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 390 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * Q * size])); 391 } 392 } 393 394 // Input basis apply 395 CeedCallBackend(CeedOperatorInputBasis_Blocked(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, false, e_data_full, impl)); 396 397 // Q function 398 if (!impl->is_identity_qf) { 399 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 400 } 401 402 // Output basis apply 403 CeedCallBackend(CeedOperatorOutputBasis_Blocked(e, Q, qf_output_fields, op_output_fields, block_size, num_input_fields, num_output_fields, op, 404 e_data_full, impl)); 405 } 406 407 // Output restriction 408 for (CeedInt i = 0; i < num_output_fields; i++) { 409 CeedVector vec; 410 411 // Restore evec 412 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_full[i + impl->num_inputs], &e_data_full[i + num_input_fields])); 413 // Get output vector 414 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 415 // Active 416 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 417 // Restrict 418 CeedCallBackend( 419 CeedElemRestrictionApply(impl->block_rstr[i + impl->num_inputs], CEED_TRANSPOSE, impl->e_vecs_full[i + impl->num_inputs], vec, request)); 420 } 421 422 // Restore input arrays 423 CeedCallBackend(CeedOperatorRestoreInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, false, e_data_full, impl)); 424 return CEED_ERROR_SUCCESS; 425 } 426 427 //------------------------------------------------------------------------------ 428 // Core code for assembling linear QFunction 429 //------------------------------------------------------------------------------ 430 static inline int CeedOperatorLinearAssembleQFunctionCore_Blocked(CeedOperator op, bool build_objects, CeedVector *assembled, 431 CeedElemRestriction *rstr, CeedRequest *request) { 432 Ceed ceed; 433 CeedSize q_size; 434 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 435 const CeedInt block_size = 8; 436 CeedScalar *l_vec_array; 437 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 438 CeedQFunctionField *qf_input_fields, *qf_output_fields; 439 CeedQFunction qf; 440 CeedOperatorField *op_input_fields, *op_output_fields; 441 CeedOperator_Blocked *impl; 442 443 CeedCallBackend(CeedOperatorGetData(op, &impl)); 444 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 445 CeedVector *active_in = impl->qf_active_in; 446 CeedVector l_vec = impl->qf_l_vec; 447 CeedElemRestriction block_rstr = impl->qf_block_rstr; 448 449 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 450 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 451 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 452 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 453 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 454 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 455 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 456 457 // Setup 458 CeedCallBackend(CeedOperatorSetup_Blocked(op)); 459 460 // Check for identity 461 CeedCheck(!impl->is_identity_qf, ceed, CEED_ERROR_BACKEND, "Assembling identity QFunctions not supported"); 462 463 // Input Evecs and Restriction 464 CeedCallBackend(CeedOperatorSetupInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data_full, impl, request)); 465 466 // Count number of active input fields 467 if (!num_active_in) { 468 for (CeedInt i = 0; i < num_input_fields; i++) { 469 CeedScalar *q_vec_array; 470 CeedVector vec; 471 472 // Get input vector 473 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 474 // Check if active input 475 if (vec == CEED_VECTOR_ACTIVE) { 476 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 477 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 478 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &q_vec_array)); 479 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 480 for (CeedInt field = 0; field < size; field++) { 481 q_size = (CeedSize)Q * block_size; 482 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 483 CeedCallBackend( 484 CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &q_vec_array[field * Q * block_size])); 485 } 486 num_active_in += size; 487 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &q_vec_array)); 488 } 489 } 490 impl->num_active_in = num_active_in; 491 impl->qf_active_in = active_in; 492 } 493 494 // Count number of active output fields 495 if (!num_active_out) { 496 for (CeedInt i = 0; i < num_output_fields; i++) { 497 CeedVector vec; 498 499 // Get output vector 500 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 501 // Check if active output 502 if (vec == CEED_VECTOR_ACTIVE) { 503 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 504 num_active_out += size; 505 } 506 } 507 impl->num_active_out = num_active_out; 508 } 509 510 // Check sizes 511 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 512 513 // Setup Lvec 514 if (!l_vec) { 515 const CeedSize l_size = (CeedSize)num_blocks * block_size * Q * num_active_in * num_active_out; 516 517 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 518 impl->qf_l_vec = l_vec; 519 } 520 CeedCallBackend(CeedVectorGetArrayWrite(l_vec, CEED_MEM_HOST, &l_vec_array)); 521 522 // Setup block restriction 523 if (!block_rstr) { 524 const CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 525 526 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, block_size, num_active_in * num_active_out, 527 num_active_in * num_active_out * num_elem * Q, strides, &block_rstr)); 528 impl->qf_block_rstr = block_rstr; 529 } 530 531 // Build objects if needed 532 if (build_objects) { 533 const CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 534 const CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 535 536 // Create output restriction 537 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed, num_elem, Q, num_active_in * num_active_out, num_active_in * num_active_out * num_elem * Q, 538 strides, rstr)); 539 // Create assembled vector 540 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 541 } 542 543 // Loop through elements 544 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 545 // Input basis apply 546 CeedCallBackend(CeedOperatorInputBasis_Blocked(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, true, e_data_full, impl)); 547 548 // Assemble QFunction 549 for (CeedInt in = 0; in < num_active_in; in++) { 550 // Set Inputs 551 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 552 if (num_active_in > 1) { 553 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 554 } 555 // Set Outputs 556 for (CeedInt out = 0; out < num_output_fields; out++) { 557 CeedVector vec; 558 559 // Get output vector 560 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 561 // Check if active output 562 if (vec == CEED_VECTOR_ACTIVE) { 563 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, l_vec_array)); 564 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 565 l_vec_array += size * Q * block_size; // Advance the pointer by the size of the output 566 } 567 } 568 // Apply QFunction 569 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 570 } 571 } 572 573 // Un-set output Qvecs to prevent accidental overwrite of Assembled 574 for (CeedInt out = 0; out < num_output_fields; out++) { 575 CeedVector vec; 576 577 // Get output vector 578 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 579 // Check if active output 580 if (vec == CEED_VECTOR_ACTIVE) { 581 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 582 } 583 } 584 585 // Restore input arrays 586 CeedCallBackend(CeedOperatorRestoreInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, true, e_data_full, impl)); 587 588 // Output blocked restriction 589 CeedCallBackend(CeedVectorRestoreArray(l_vec, &l_vec_array)); 590 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 591 CeedCallBackend(CeedElemRestrictionApply(block_rstr, CEED_TRANSPOSE, l_vec, *assembled, request)); 592 return CEED_ERROR_SUCCESS; 593 } 594 595 //------------------------------------------------------------------------------ 596 // Assemble Linear QFunction 597 //------------------------------------------------------------------------------ 598 static int CeedOperatorLinearAssembleQFunction_Blocked(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 599 return CeedOperatorLinearAssembleQFunctionCore_Blocked(op, true, assembled, rstr, request); 600 } 601 602 //------------------------------------------------------------------------------ 603 // Update Assembled Linear QFunction 604 //------------------------------------------------------------------------------ 605 static int CeedOperatorLinearAssembleQFunctionUpdate_Blocked(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 606 return CeedOperatorLinearAssembleQFunctionCore_Blocked(op, false, &assembled, &rstr, request); 607 } 608 609 //------------------------------------------------------------------------------ 610 // Operator Destroy 611 //------------------------------------------------------------------------------ 612 static int CeedOperatorDestroy_Blocked(CeedOperator op) { 613 CeedOperator_Blocked *impl; 614 615 CeedCallBackend(CeedOperatorGetData(op, &impl)); 616 617 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 618 CeedCallBackend(CeedElemRestrictionDestroy(&impl->block_rstr[i])); 619 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 620 } 621 CeedCallBackend(CeedFree(&impl->block_rstr)); 622 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 623 CeedCallBackend(CeedFree(&impl->input_states)); 624 625 for (CeedInt i = 0; i < impl->num_inputs; i++) { 626 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 627 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 628 } 629 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 630 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 631 632 for (CeedInt i = 0; i < impl->num_outputs; i++) { 633 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 634 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 635 } 636 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 637 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 638 639 // QFunction assembly data 640 for (CeedInt i = 0; i < impl->num_active_in; i++) { 641 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 642 } 643 CeedCallBackend(CeedFree(&impl->qf_active_in)); 644 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 645 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_block_rstr)); 646 647 CeedCallBackend(CeedFree(&impl)); 648 return CEED_ERROR_SUCCESS; 649 } 650 651 //------------------------------------------------------------------------------ 652 // Operator Create 653 //------------------------------------------------------------------------------ 654 int CeedOperatorCreate_Blocked(CeedOperator op) { 655 Ceed ceed; 656 CeedOperator_Blocked *impl; 657 658 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 659 CeedCallBackend(CeedCalloc(1, &impl)); 660 CeedCallBackend(CeedOperatorSetData(op, impl)); 661 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Blocked)); 662 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Blocked)); 663 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Blocked)); 664 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Blocked)); 665 return CEED_ERROR_SUCCESS; 666 } 667 668 //------------------------------------------------------------------------------ 669