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, const CeedInt block_size, 20 CeedElemRestriction *block_rstr, CeedVector *e_vecs_full, CeedVector *e_vecs, CeedVector *q_vecs, 21 CeedInt start_e, CeedInt num_fields, CeedInt Q) { 22 Ceed ceed; 23 CeedSize e_size, q_size; 24 CeedInt num_comp, size, P; 25 CeedQFunctionField *qf_fields; 26 CeedOperatorField *op_fields; 27 28 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 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 37 // Loop over fields 38 for (CeedInt i = 0; i < num_fields; i++) { 39 CeedEvalMode eval_mode; 40 CeedBasis basis; 41 42 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 43 if (eval_mode != CEED_EVAL_WEIGHT) { 44 Ceed ceed_rstr; 45 CeedSize l_size; 46 CeedInt num_elem, elem_size, comp_stride; 47 CeedRestrictionType rstr_type; 48 CeedElemRestriction rstr; 49 50 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr)); 51 CeedCallBackend(CeedElemRestrictionGetCeed(rstr, &ceed_rstr)); 52 CeedCallBackend(CeedElemRestrictionGetNumElements(rstr, &num_elem)); 53 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr, &elem_size)); 54 CeedCallBackend(CeedElemRestrictionGetLVectorSize(rstr, &l_size)); 55 CeedCallBackend(CeedElemRestrictionGetNumComponents(rstr, &num_comp)); 56 CeedCallBackend(CeedElemRestrictionGetCompStride(rstr, &comp_stride)); 57 58 CeedCallBackend(CeedElemRestrictionGetType(rstr, &rstr_type)); 59 switch (rstr_type) { 60 case CEED_RESTRICTION_STANDARD: { 61 const CeedInt *offsets = NULL; 62 63 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr, CEED_MEM_HOST, &offsets)); 64 CeedCallBackend(CeedElemRestrictionCreateBlocked(ceed_rstr, num_elem, elem_size, block_size, num_comp, comp_stride, l_size, CEED_MEM_HOST, 65 CEED_COPY_VALUES, offsets, &block_rstr[i + start_e])); 66 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr, &offsets)); 67 } break; 68 case CEED_RESTRICTION_ORIENTED: { 69 const bool *orients = NULL; 70 const CeedInt *offsets = NULL; 71 72 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr, CEED_MEM_HOST, &offsets)); 73 CeedCallBackend(CeedElemRestrictionGetOrientations(rstr, CEED_MEM_HOST, &orients)); 74 CeedCallBackend(CeedElemRestrictionCreateBlockedOriented(ceed_rstr, num_elem, elem_size, block_size, num_comp, comp_stride, l_size, 75 CEED_MEM_HOST, CEED_COPY_VALUES, offsets, orients, &block_rstr[i + start_e])); 76 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr, &offsets)); 77 CeedCallBackend(CeedElemRestrictionRestoreOrientations(rstr, &orients)); 78 } break; 79 case CEED_RESTRICTION_CURL_ORIENTED: { 80 const CeedInt8 *curl_orients = NULL; 81 const CeedInt *offsets = NULL; 82 83 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr, CEED_MEM_HOST, &offsets)); 84 CeedCallBackend(CeedElemRestrictionGetCurlOrientations(rstr, CEED_MEM_HOST, &curl_orients)); 85 CeedCallBackend(CeedElemRestrictionCreateBlockedCurlOriented(ceed_rstr, num_elem, elem_size, block_size, num_comp, comp_stride, l_size, 86 CEED_MEM_HOST, CEED_COPY_VALUES, offsets, curl_orients, 87 &block_rstr[i + start_e])); 88 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr, &offsets)); 89 CeedCallBackend(CeedElemRestrictionRestoreCurlOrientations(rstr, &curl_orients)); 90 } break; 91 case CEED_RESTRICTION_STRIDED: { 92 CeedInt strides[3]; 93 94 CeedCallBackend(CeedElemRestrictionGetStrides(rstr, &strides)); 95 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed_rstr, num_elem, elem_size, block_size, num_comp, l_size, strides, 96 &block_rstr[i + start_e])); 97 } break; 98 case CEED_RESTRICTION_POINTS: 99 // Empty case - won't occur 100 break; 101 } 102 CeedCallBackend(CeedElemRestrictionCreateVector(block_rstr[i + start_e], NULL, &e_vecs_full[i + start_e])); 103 } 104 105 switch (eval_mode) { 106 case CEED_EVAL_NONE: 107 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 108 q_size = (CeedSize)Q * size * block_size; 109 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 110 break; 111 case CEED_EVAL_INTERP: 112 case CEED_EVAL_GRAD: 113 case CEED_EVAL_DIV: 114 case CEED_EVAL_CURL: 115 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 116 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 117 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 118 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 119 e_size = (CeedSize)P * num_comp * block_size; 120 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 121 q_size = (CeedSize)Q * size * block_size; 122 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 123 break; 124 case CEED_EVAL_WEIGHT: // Only on input fields 125 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 126 q_size = (CeedSize)Q * block_size; 127 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 128 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 129 break; 130 } 131 } 132 return CEED_ERROR_SUCCESS; 133 } 134 135 //------------------------------------------------------------------------------ 136 // Setup Operator 137 //------------------------------------------------------------------------------ 138 static int CeedOperatorSetup_Blocked(CeedOperator op) { 139 bool is_setup_done; 140 Ceed ceed; 141 CeedInt Q, num_input_fields, num_output_fields; 142 const CeedInt block_size = 8; 143 CeedQFunctionField *qf_input_fields, *qf_output_fields; 144 CeedQFunction qf; 145 CeedOperatorField *op_input_fields, *op_output_fields; 146 CeedOperator_Blocked *impl; 147 148 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 149 if (is_setup_done) return CEED_ERROR_SUCCESS; 150 151 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 152 CeedCallBackend(CeedOperatorGetData(op, &impl)); 153 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 154 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 155 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 156 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 157 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 158 159 // Allocate 160 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->block_rstr)); 161 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 162 163 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 164 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 165 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 166 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 167 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 168 169 impl->num_inputs = num_input_fields; 170 impl->num_outputs = num_output_fields; 171 172 // Set up infield and outfield pointer arrays 173 // Infields 174 CeedCallBackend(CeedOperatorSetupFields_Blocked(qf, op, true, block_size, impl->block_rstr, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, 175 num_input_fields, Q)); 176 // Outfields 177 CeedCallBackend(CeedOperatorSetupFields_Blocked(qf, op, false, block_size, impl->block_rstr, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, 178 num_input_fields, num_output_fields, Q)); 179 180 // Identity QFunctions 181 if (impl->is_identity_qf) { 182 CeedEvalMode in_mode, out_mode; 183 CeedQFunctionField *in_fields, *out_fields; 184 185 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 186 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 187 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 188 189 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 190 impl->is_identity_rstr_op = true; 191 } else { 192 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 193 } 194 } 195 196 CeedCallBackend(CeedOperatorSetSetupDone(op)); 197 return CEED_ERROR_SUCCESS; 198 } 199 200 //------------------------------------------------------------------------------ 201 // Setup Operator Inputs 202 //------------------------------------------------------------------------------ 203 static inline int CeedOperatorSetupInputs_Blocked(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 204 CeedVector in_vec, bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], 205 CeedOperator_Blocked *impl, CeedRequest *request) { 206 for (CeedInt i = 0; i < num_input_fields; i++) { 207 uint64_t state; 208 CeedEvalMode eval_mode; 209 CeedVector vec; 210 211 // Get input vector 212 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 213 if (vec == CEED_VECTOR_ACTIVE) { 214 if (skip_active) continue; 215 else vec = in_vec; 216 } 217 218 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 219 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 220 } else { 221 // Restrict 222 CeedCallBackend(CeedVectorGetState(vec, &state)); 223 if (state != impl->input_states[i] || vec == in_vec) { 224 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 225 impl->input_states[i] = state; 226 } 227 // Get evec 228 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data_full[i])); 229 } 230 } 231 return CEED_ERROR_SUCCESS; 232 } 233 234 //------------------------------------------------------------------------------ 235 // Input Basis Action 236 //------------------------------------------------------------------------------ 237 static inline int CeedOperatorInputBasis_Blocked(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 238 CeedInt num_input_fields, CeedInt block_size, bool skip_active, 239 CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 240 for (CeedInt i = 0; i < num_input_fields; i++) { 241 CeedInt elem_size, size, num_comp; 242 CeedEvalMode eval_mode; 243 CeedElemRestriction elem_rstr; 244 CeedBasis basis; 245 246 // Skip active input 247 if (skip_active) { 248 CeedVector vec; 249 250 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 251 if (vec == CEED_VECTOR_ACTIVE) continue; 252 } 253 254 // Get elem_size, eval_mode, size 255 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); 256 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 257 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 258 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 259 // Basis action 260 switch (eval_mode) { 261 case CEED_EVAL_NONE: 262 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * Q * size])); 263 break; 264 case CEED_EVAL_INTERP: 265 case CEED_EVAL_GRAD: 266 case CEED_EVAL_DIV: 267 case CEED_EVAL_CURL: 268 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 269 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 270 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * elem_size * num_comp])); 271 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 272 break; 273 case CEED_EVAL_WEIGHT: 274 break; // No action 275 } 276 } 277 return CEED_ERROR_SUCCESS; 278 } 279 280 //------------------------------------------------------------------------------ 281 // Output Basis Action 282 //------------------------------------------------------------------------------ 283 static inline int CeedOperatorOutputBasis_Blocked(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 284 CeedInt block_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 285 CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 286 for (CeedInt i = 0; i < num_output_fields; i++) { 287 CeedInt elem_size, num_comp; 288 CeedEvalMode eval_mode; 289 CeedElemRestriction elem_rstr; 290 CeedBasis basis; 291 292 // Get elem_size, eval_mode, size 293 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); 294 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 295 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 296 // Basis action 297 switch (eval_mode) { 298 case CEED_EVAL_NONE: 299 break; // No action 300 case CEED_EVAL_INTERP: 301 case CEED_EVAL_GRAD: 302 case CEED_EVAL_DIV: 303 case CEED_EVAL_CURL: 304 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 305 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 306 CeedCallBackend( 307 CeedVectorSetArray(impl->e_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * elem_size * num_comp])); 308 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 309 break; 310 // LCOV_EXCL_START 311 case CEED_EVAL_WEIGHT: { 312 Ceed ceed; 313 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 314 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 315 // LCOV_EXCL_STOP 316 } 317 } 318 } 319 return CEED_ERROR_SUCCESS; 320 } 321 322 //------------------------------------------------------------------------------ 323 // Restore Input Vectors 324 //------------------------------------------------------------------------------ 325 static inline int CeedOperatorRestoreInputs_Blocked(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 326 bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 327 for (CeedInt i = 0; i < num_input_fields; i++) { 328 CeedEvalMode eval_mode; 329 330 // Skip active inputs 331 if (skip_active) { 332 CeedVector vec; 333 334 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 335 if (vec == CEED_VECTOR_ACTIVE) continue; 336 } 337 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 338 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 339 } else { 340 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data_full[i])); 341 } 342 } 343 return CEED_ERROR_SUCCESS; 344 } 345 346 //------------------------------------------------------------------------------ 347 // Operator Apply 348 //------------------------------------------------------------------------------ 349 static int CeedOperatorApplyAdd_Blocked(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 350 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 351 const CeedInt block_size = 8; 352 CeedEvalMode eval_mode; 353 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 354 CeedQFunctionField *qf_input_fields, *qf_output_fields; 355 CeedQFunction qf; 356 CeedOperatorField *op_input_fields, *op_output_fields; 357 CeedOperator_Blocked *impl; 358 359 CeedCallBackend(CeedOperatorGetData(op, &impl)); 360 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 361 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 362 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 363 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 364 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 365 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 366 367 // Setup 368 CeedCallBackend(CeedOperatorSetup_Blocked(op)); 369 370 // Restriction only operator 371 if (impl->is_identity_rstr_op) { 372 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[0], CEED_NOTRANSPOSE, in_vec, impl->e_vecs_full[0], request)); 373 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[1], CEED_TRANSPOSE, impl->e_vecs_full[0], out_vec, request)); 374 return CEED_ERROR_SUCCESS; 375 } 376 377 // Input Evecs and Restriction 378 CeedCallBackend(CeedOperatorSetupInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, in_vec, false, e_data_full, impl, request)); 379 380 // Output Evecs 381 for (CeedInt i = 0; i < num_output_fields; i++) { 382 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_full[i + impl->num_inputs], CEED_MEM_HOST, &e_data_full[i + num_input_fields])); 383 } 384 385 // Loop through elements 386 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 387 // Output pointers 388 for (CeedInt i = 0; i < num_output_fields; i++) { 389 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 390 if (eval_mode == CEED_EVAL_NONE) { 391 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 392 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * Q * size])); 393 } 394 } 395 396 // Input basis apply 397 CeedCallBackend(CeedOperatorInputBasis_Blocked(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, false, e_data_full, impl)); 398 399 // Q function 400 if (!impl->is_identity_qf) { 401 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 402 } 403 404 // Output basis apply 405 CeedCallBackend(CeedOperatorOutputBasis_Blocked(e, Q, qf_output_fields, op_output_fields, block_size, num_input_fields, num_output_fields, op, 406 e_data_full, impl)); 407 } 408 409 // Output restriction 410 for (CeedInt i = 0; i < num_output_fields; i++) { 411 CeedVector vec; 412 413 // Restore evec 414 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_full[i + impl->num_inputs], &e_data_full[i + num_input_fields])); 415 // Get output vector 416 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 417 // Active 418 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 419 // Restrict 420 CeedCallBackend( 421 CeedElemRestrictionApply(impl->block_rstr[i + impl->num_inputs], CEED_TRANSPOSE, impl->e_vecs_full[i + impl->num_inputs], vec, request)); 422 } 423 424 // Restore input arrays 425 CeedCallBackend(CeedOperatorRestoreInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, false, e_data_full, impl)); 426 return CEED_ERROR_SUCCESS; 427 } 428 429 //------------------------------------------------------------------------------ 430 // Core code for assembling linear QFunction 431 //------------------------------------------------------------------------------ 432 static inline int CeedOperatorLinearAssembleQFunctionCore_Blocked(CeedOperator op, bool build_objects, CeedVector *assembled, 433 CeedElemRestriction *rstr, CeedRequest *request) { 434 Ceed ceed; 435 CeedSize q_size; 436 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 437 const CeedInt block_size = 8; 438 CeedScalar *l_vec_array; 439 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 440 CeedQFunctionField *qf_input_fields, *qf_output_fields; 441 CeedQFunction qf; 442 CeedOperatorField *op_input_fields, *op_output_fields; 443 CeedOperator_Blocked *impl; 444 445 CeedCallBackend(CeedOperatorGetData(op, &impl)); 446 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 447 CeedVector *active_in = impl->qf_active_in; 448 CeedVector l_vec = impl->qf_l_vec; 449 CeedElemRestriction block_rstr = impl->qf_block_rstr; 450 451 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 452 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 453 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 454 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 455 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 456 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 457 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 458 459 // Setup 460 CeedCallBackend(CeedOperatorSetup_Blocked(op)); 461 462 // Check for restriction only operator 463 CeedCheck(!impl->is_identity_rstr_op, ceed, CEED_ERROR_BACKEND, "Assembling restriction only operators is not supported"); 464 465 // Input Evecs and Restriction 466 CeedCallBackend(CeedOperatorSetupInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data_full, impl, request)); 467 468 // Count number of active input fields 469 if (!num_active_in) { 470 for (CeedInt i = 0; i < num_input_fields; i++) { 471 CeedScalar *q_vec_array; 472 CeedVector vec; 473 474 // Get input vector 475 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 476 // Check if active input 477 if (vec == CEED_VECTOR_ACTIVE) { 478 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 479 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 480 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &q_vec_array)); 481 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 482 for (CeedInt field = 0; field < size; field++) { 483 q_size = (CeedSize)Q * block_size; 484 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 485 CeedCallBackend( 486 CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &q_vec_array[field * Q * block_size])); 487 } 488 num_active_in += size; 489 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &q_vec_array)); 490 } 491 } 492 impl->num_active_in = num_active_in; 493 impl->qf_active_in = active_in; 494 } 495 496 // Count number of active output fields 497 if (!num_active_out) { 498 for (CeedInt i = 0; i < num_output_fields; i++) { 499 CeedVector vec; 500 501 // Get output vector 502 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 503 // Check if active output 504 if (vec == CEED_VECTOR_ACTIVE) { 505 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 506 num_active_out += size; 507 } 508 } 509 impl->num_active_out = num_active_out; 510 } 511 512 // Check sizes 513 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 514 515 // Setup Lvec 516 if (!l_vec) { 517 const CeedSize l_size = (CeedSize)num_blocks * block_size * Q * num_active_in * num_active_out; 518 519 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 520 impl->qf_l_vec = l_vec; 521 } 522 CeedCallBackend(CeedVectorGetArrayWrite(l_vec, CEED_MEM_HOST, &l_vec_array)); 523 524 // Setup block restriction 525 if (!block_rstr) { 526 const CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 527 528 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, block_size, num_active_in * num_active_out, 529 num_active_in * num_active_out * num_elem * Q, strides, &block_rstr)); 530 impl->qf_block_rstr = block_rstr; 531 } 532 533 // Build objects if needed 534 if (build_objects) { 535 const CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 536 const CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 537 538 // Create output restriction 539 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed, num_elem, Q, num_active_in * num_active_out, num_active_in * num_active_out * num_elem * Q, 540 strides, rstr)); 541 // Create assembled vector 542 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 543 } 544 545 // Loop through elements 546 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 547 // Input basis apply 548 CeedCallBackend(CeedOperatorInputBasis_Blocked(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, true, e_data_full, impl)); 549 550 // Assemble QFunction 551 for (CeedInt in = 0; in < num_active_in; in++) { 552 // Set Inputs 553 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 554 if (num_active_in > 1) { 555 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 556 } 557 if (!impl->is_identity_qf) { 558 // Set Outputs 559 for (CeedInt out = 0; out < num_output_fields; out++) { 560 CeedVector vec; 561 562 // Get output vector 563 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 564 // Check if active output 565 if (vec == CEED_VECTOR_ACTIVE) { 566 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, l_vec_array)); 567 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 568 l_vec_array += size * Q * block_size; // Advance the pointer by the size of the output 569 } 570 } 571 // Apply QFunction 572 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 573 } else { 574 const CeedScalar *q_vec_array; 575 576 // Copy Identity Outputs 577 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[0], &size)); 578 CeedCallBackend(CeedVectorGetArrayRead(impl->q_vecs_out[0], CEED_MEM_HOST, &q_vec_array)); 579 for (CeedInt i = 0; i < size * Q * block_size; i++) l_vec_array[i] = q_vec_array[i]; 580 CeedCallBackend(CeedVectorRestoreArrayRead(impl->q_vecs_out[0], &q_vec_array)); 581 l_vec_array += size * Q * block_size; 582 } 583 } 584 } 585 586 // Un-set output Qvecs to prevent accidental overwrite of Assembled 587 if (!impl->is_identity_qf) { 588 for (CeedInt out = 0; out < num_output_fields; out++) { 589 CeedVector vec; 590 591 // Get output vector 592 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 593 // Check if active output 594 if (vec == CEED_VECTOR_ACTIVE) { 595 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_HOST, NULL)); 596 } 597 } 598 } 599 600 // Restore input arrays 601 CeedCallBackend(CeedOperatorRestoreInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, true, e_data_full, impl)); 602 603 // Output blocked restriction 604 CeedCallBackend(CeedVectorRestoreArray(l_vec, &l_vec_array)); 605 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 606 CeedCallBackend(CeedElemRestrictionApply(block_rstr, CEED_TRANSPOSE, l_vec, *assembled, request)); 607 return CEED_ERROR_SUCCESS; 608 } 609 610 //------------------------------------------------------------------------------ 611 // Assemble Linear QFunction 612 //------------------------------------------------------------------------------ 613 static int CeedOperatorLinearAssembleQFunction_Blocked(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 614 return CeedOperatorLinearAssembleQFunctionCore_Blocked(op, true, assembled, rstr, request); 615 } 616 617 //------------------------------------------------------------------------------ 618 // Update Assembled Linear QFunction 619 //------------------------------------------------------------------------------ 620 static int CeedOperatorLinearAssembleQFunctionUpdate_Blocked(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 621 return CeedOperatorLinearAssembleQFunctionCore_Blocked(op, false, &assembled, &rstr, request); 622 } 623 624 //------------------------------------------------------------------------------ 625 // Operator Destroy 626 //------------------------------------------------------------------------------ 627 static int CeedOperatorDestroy_Blocked(CeedOperator op) { 628 CeedOperator_Blocked *impl; 629 630 CeedCallBackend(CeedOperatorGetData(op, &impl)); 631 632 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 633 CeedCallBackend(CeedElemRestrictionDestroy(&impl->block_rstr[i])); 634 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 635 } 636 CeedCallBackend(CeedFree(&impl->block_rstr)); 637 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 638 CeedCallBackend(CeedFree(&impl->input_states)); 639 640 for (CeedInt i = 0; i < impl->num_inputs; i++) { 641 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 642 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 643 } 644 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 645 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 646 647 for (CeedInt i = 0; i < impl->num_outputs; i++) { 648 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 649 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 650 } 651 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 652 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 653 654 // QFunction assembly data 655 for (CeedInt i = 0; i < impl->num_active_in; i++) { 656 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 657 } 658 CeedCallBackend(CeedFree(&impl->qf_active_in)); 659 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 660 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_block_rstr)); 661 662 CeedCallBackend(CeedFree(&impl)); 663 return CEED_ERROR_SUCCESS; 664 } 665 666 //------------------------------------------------------------------------------ 667 // Operator Create 668 //------------------------------------------------------------------------------ 669 int CeedOperatorCreate_Blocked(CeedOperator op) { 670 Ceed ceed; 671 CeedOperator_Blocked *impl; 672 673 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 674 CeedCallBackend(CeedCalloc(1, &impl)); 675 CeedCallBackend(CeedOperatorSetData(op, impl)); 676 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Blocked)); 677 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Blocked)); 678 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Blocked)); 679 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Blocked)); 680 return CEED_ERROR_SUCCESS; 681 } 682 683 //------------------------------------------------------------------------------ 684