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 case CEED_RESTRICTION_POINTS: 101 // Empty case - won't occur 102 break; 103 } 104 CeedCallBackend(CeedElemRestrictionCreateVector(block_rstr[i + start_e], NULL, &e_vecs_full[i + start_e])); 105 } 106 107 switch (eval_mode) { 108 case CEED_EVAL_NONE: 109 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 110 q_size = (CeedSize)Q * size * block_size; 111 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 112 break; 113 case CEED_EVAL_INTERP: 114 case CEED_EVAL_GRAD: 115 case CEED_EVAL_DIV: 116 case CEED_EVAL_CURL: 117 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 118 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 119 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 120 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 121 e_size = (CeedSize)P * num_comp * block_size; 122 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 123 q_size = (CeedSize)Q * size * block_size; 124 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 125 break; 126 case CEED_EVAL_WEIGHT: // Only on input fields 127 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 128 q_size = (CeedSize)Q * block_size; 129 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 130 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 131 break; 132 } 133 } 134 return CEED_ERROR_SUCCESS; 135 } 136 137 //------------------------------------------------------------------------------ 138 // Setup Operator 139 //------------------------------------------------------------------------------ 140 static int CeedOperatorSetup_Blocked(CeedOperator op) { 141 bool is_setup_done; 142 Ceed ceed; 143 CeedInt Q, num_input_fields, num_output_fields; 144 CeedQFunctionField *qf_input_fields, *qf_output_fields; 145 CeedQFunction qf; 146 CeedOperatorField *op_input_fields, *op_output_fields; 147 CeedOperator_Blocked *impl; 148 149 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 150 if (is_setup_done) return CEED_ERROR_SUCCESS; 151 152 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 153 CeedCallBackend(CeedOperatorGetData(op, &impl)); 154 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 155 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 156 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 157 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 158 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 159 160 // Allocate 161 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->block_rstr)); 162 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 163 164 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 165 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 166 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 167 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 168 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 169 170 impl->num_inputs = num_input_fields; 171 impl->num_outputs = num_output_fields; 172 173 // Set up infield and outfield pointer arrays 174 // Infields 175 CeedCallBackend( 176 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)); 177 // Outfields 178 CeedCallBackend(CeedOperatorSetupFields_Blocked(qf, op, false, impl->block_rstr, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, 179 num_input_fields, num_output_fields, Q)); 180 181 // Identity QFunctions 182 if (impl->is_identity_qf) { 183 CeedEvalMode in_mode, out_mode; 184 CeedQFunctionField *in_fields, *out_fields; 185 186 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 187 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 188 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 189 190 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 191 impl->is_identity_rstr_op = true; 192 } else { 193 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 194 } 195 } 196 197 CeedCallBackend(CeedOperatorSetSetupDone(op)); 198 return CEED_ERROR_SUCCESS; 199 } 200 201 //------------------------------------------------------------------------------ 202 // Setup Operator Inputs 203 //------------------------------------------------------------------------------ 204 static inline int CeedOperatorSetupInputs_Blocked(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 205 CeedVector in_vec, bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], 206 CeedOperator_Blocked *impl, CeedRequest *request) { 207 for (CeedInt i = 0; i < num_input_fields; i++) { 208 uint64_t state; 209 CeedEvalMode eval_mode; 210 CeedVector vec; 211 212 // Get input vector 213 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 214 if (vec == CEED_VECTOR_ACTIVE) { 215 if (skip_active) continue; 216 else vec = in_vec; 217 } 218 219 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 220 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 221 } else { 222 // Restrict 223 CeedCallBackend(CeedVectorGetState(vec, &state)); 224 if (state != impl->input_states[i] || vec == in_vec) { 225 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 226 impl->input_states[i] = state; 227 } 228 // Get evec 229 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data_full[i])); 230 } 231 } 232 return CEED_ERROR_SUCCESS; 233 } 234 235 //------------------------------------------------------------------------------ 236 // Input Basis Action 237 //------------------------------------------------------------------------------ 238 static inline int CeedOperatorInputBasis_Blocked(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 239 CeedInt num_input_fields, CeedInt block_size, bool skip_active, 240 CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 241 for (CeedInt i = 0; i < num_input_fields; i++) { 242 CeedInt elem_size, size, num_comp; 243 CeedEvalMode eval_mode; 244 CeedElemRestriction elem_rstr; 245 CeedBasis basis; 246 247 // Skip active input 248 if (skip_active) { 249 CeedVector vec; 250 251 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 252 if (vec == CEED_VECTOR_ACTIVE) continue; 253 } 254 255 // Get elem_size, eval_mode, size 256 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); 257 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 258 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 259 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 260 // Basis action 261 switch (eval_mode) { 262 case CEED_EVAL_NONE: 263 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * Q * size])); 264 break; 265 case CEED_EVAL_INTERP: 266 case CEED_EVAL_GRAD: 267 case CEED_EVAL_DIV: 268 case CEED_EVAL_CURL: 269 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 270 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 271 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * elem_size * num_comp])); 272 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 273 break; 274 case CEED_EVAL_WEIGHT: 275 break; // No action 276 } 277 } 278 return CEED_ERROR_SUCCESS; 279 } 280 281 //------------------------------------------------------------------------------ 282 // Output Basis Action 283 //------------------------------------------------------------------------------ 284 static inline int CeedOperatorOutputBasis_Blocked(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 285 CeedInt block_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 286 CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 287 for (CeedInt i = 0; i < num_output_fields; i++) { 288 CeedInt elem_size, num_comp; 289 CeedEvalMode eval_mode; 290 CeedElemRestriction elem_rstr; 291 CeedBasis basis; 292 293 // Get elem_size, eval_mode, size 294 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); 295 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 296 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 297 // Basis action 298 switch (eval_mode) { 299 case CEED_EVAL_NONE: 300 break; // No action 301 case CEED_EVAL_INTERP: 302 case CEED_EVAL_GRAD: 303 case CEED_EVAL_DIV: 304 case CEED_EVAL_CURL: 305 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 306 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 307 CeedCallBackend( 308 CeedVectorSetArray(impl->e_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * elem_size * num_comp])); 309 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 310 break; 311 // LCOV_EXCL_START 312 case CEED_EVAL_WEIGHT: { 313 Ceed ceed; 314 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 315 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 316 // LCOV_EXCL_STOP 317 } 318 } 319 } 320 return CEED_ERROR_SUCCESS; 321 } 322 323 //------------------------------------------------------------------------------ 324 // Restore Input Vectors 325 //------------------------------------------------------------------------------ 326 static inline int CeedOperatorRestoreInputs_Blocked(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 327 bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 328 for (CeedInt i = 0; i < num_input_fields; i++) { 329 CeedEvalMode eval_mode; 330 331 // Skip active inputs 332 if (skip_active) { 333 CeedVector vec; 334 335 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 336 if (vec == CEED_VECTOR_ACTIVE) continue; 337 } 338 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 339 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 340 } else { 341 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data_full[i])); 342 } 343 } 344 return CEED_ERROR_SUCCESS; 345 } 346 347 //------------------------------------------------------------------------------ 348 // Operator Apply 349 //------------------------------------------------------------------------------ 350 static int CeedOperatorApplyAdd_Blocked(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 351 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 352 const CeedInt block_size = 8; 353 CeedEvalMode eval_mode; 354 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 355 CeedQFunctionField *qf_input_fields, *qf_output_fields; 356 CeedQFunction qf; 357 CeedOperatorField *op_input_fields, *op_output_fields; 358 CeedOperator_Blocked *impl; 359 360 CeedCallBackend(CeedOperatorGetData(op, &impl)); 361 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 362 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 363 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 364 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 365 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 366 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 367 368 // Setup 369 CeedCallBackend(CeedOperatorSetup_Blocked(op)); 370 371 // Restriction only operator 372 if (impl->is_identity_rstr_op) { 373 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[0], CEED_NOTRANSPOSE, in_vec, impl->e_vecs_full[0], request)); 374 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[1], CEED_TRANSPOSE, impl->e_vecs_full[0], out_vec, request)); 375 return CEED_ERROR_SUCCESS; 376 } 377 378 // Input Evecs and Restriction 379 CeedCallBackend(CeedOperatorSetupInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, in_vec, false, e_data_full, impl, request)); 380 381 // Output Evecs 382 for (CeedInt i = 0; i < num_output_fields; i++) { 383 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_full[i + impl->num_inputs], CEED_MEM_HOST, &e_data_full[i + num_input_fields])); 384 } 385 386 // Loop through elements 387 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 388 // Output pointers 389 for (CeedInt i = 0; i < num_output_fields; i++) { 390 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 391 if (eval_mode == CEED_EVAL_NONE) { 392 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 393 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * Q * size])); 394 } 395 } 396 397 // Input basis apply 398 CeedCallBackend(CeedOperatorInputBasis_Blocked(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, false, e_data_full, impl)); 399 400 // Q function 401 if (!impl->is_identity_qf) { 402 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 403 } 404 405 // Output basis apply 406 CeedCallBackend(CeedOperatorOutputBasis_Blocked(e, Q, qf_output_fields, op_output_fields, block_size, num_input_fields, num_output_fields, op, 407 e_data_full, impl)); 408 } 409 410 // Output restriction 411 for (CeedInt i = 0; i < num_output_fields; i++) { 412 CeedVector vec; 413 414 // Restore evec 415 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_full[i + impl->num_inputs], &e_data_full[i + num_input_fields])); 416 // Get output vector 417 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 418 // Active 419 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 420 // Restrict 421 CeedCallBackend( 422 CeedElemRestrictionApply(impl->block_rstr[i + impl->num_inputs], CEED_TRANSPOSE, impl->e_vecs_full[i + impl->num_inputs], vec, request)); 423 } 424 425 // Restore input arrays 426 CeedCallBackend(CeedOperatorRestoreInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, false, e_data_full, impl)); 427 return CEED_ERROR_SUCCESS; 428 } 429 430 //------------------------------------------------------------------------------ 431 // Core code for assembling linear QFunction 432 //------------------------------------------------------------------------------ 433 static inline int CeedOperatorLinearAssembleQFunctionCore_Blocked(CeedOperator op, bool build_objects, CeedVector *assembled, 434 CeedElemRestriction *rstr, CeedRequest *request) { 435 Ceed ceed; 436 CeedSize q_size; 437 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 438 const CeedInt block_size = 8; 439 CeedScalar *l_vec_array; 440 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 441 CeedQFunctionField *qf_input_fields, *qf_output_fields; 442 CeedQFunction qf; 443 CeedOperatorField *op_input_fields, *op_output_fields; 444 CeedOperator_Blocked *impl; 445 446 CeedCallBackend(CeedOperatorGetData(op, &impl)); 447 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 448 CeedVector *active_in = impl->qf_active_in; 449 CeedVector l_vec = impl->qf_l_vec; 450 CeedElemRestriction block_rstr = impl->qf_block_rstr; 451 452 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 453 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 454 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 455 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 456 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 457 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 458 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 459 460 // Setup 461 CeedCallBackend(CeedOperatorSetup_Blocked(op)); 462 463 // Check for restriction only operator 464 CeedCheck(!impl->is_identity_rstr_op, ceed, CEED_ERROR_BACKEND, "Assembling restriction only operators is not supported"); 465 466 // Input Evecs and Restriction 467 CeedCallBackend(CeedOperatorSetupInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data_full, impl, request)); 468 469 // Count number of active input fields 470 if (!num_active_in) { 471 for (CeedInt i = 0; i < num_input_fields; i++) { 472 CeedScalar *q_vec_array; 473 CeedVector vec; 474 475 // Get input vector 476 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 477 // Check if active input 478 if (vec == CEED_VECTOR_ACTIVE) { 479 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 480 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 481 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &q_vec_array)); 482 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 483 for (CeedInt field = 0; field < size; field++) { 484 q_size = (CeedSize)Q * block_size; 485 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 486 CeedCallBackend( 487 CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &q_vec_array[field * Q * block_size])); 488 } 489 num_active_in += size; 490 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &q_vec_array)); 491 } 492 } 493 impl->num_active_in = num_active_in; 494 impl->qf_active_in = active_in; 495 } 496 497 // Count number of active output fields 498 if (!num_active_out) { 499 for (CeedInt i = 0; i < num_output_fields; i++) { 500 CeedVector vec; 501 502 // Get output vector 503 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 504 // Check if active output 505 if (vec == CEED_VECTOR_ACTIVE) { 506 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 507 num_active_out += size; 508 } 509 } 510 impl->num_active_out = num_active_out; 511 } 512 513 // Check sizes 514 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 515 516 // Setup Lvec 517 if (!l_vec) { 518 const CeedSize l_size = (CeedSize)num_blocks * block_size * Q * num_active_in * num_active_out; 519 520 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 521 impl->qf_l_vec = l_vec; 522 } 523 CeedCallBackend(CeedVectorGetArrayWrite(l_vec, CEED_MEM_HOST, &l_vec_array)); 524 525 // Setup block restriction 526 if (!block_rstr) { 527 const CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 528 529 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, block_size, num_active_in * num_active_out, 530 num_active_in * num_active_out * num_elem * Q, strides, &block_rstr)); 531 impl->qf_block_rstr = block_rstr; 532 } 533 534 // Build objects if needed 535 if (build_objects) { 536 const CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 537 const CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 538 539 // Create output restriction 540 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed, num_elem, Q, num_active_in * num_active_out, num_active_in * num_active_out * num_elem * Q, 541 strides, rstr)); 542 // Create assembled vector 543 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 544 } 545 546 // Loop through elements 547 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 548 // Input basis apply 549 CeedCallBackend(CeedOperatorInputBasis_Blocked(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, true, e_data_full, impl)); 550 551 // Assemble QFunction 552 for (CeedInt in = 0; in < num_active_in; in++) { 553 // Set Inputs 554 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 555 if (num_active_in > 1) { 556 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 557 } 558 if (!impl->is_identity_qf) { 559 // Set Outputs 560 for (CeedInt out = 0; out < num_output_fields; out++) { 561 CeedVector vec; 562 563 // Get output vector 564 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 565 // Check if active output 566 if (vec == CEED_VECTOR_ACTIVE) { 567 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, l_vec_array)); 568 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 569 l_vec_array += size * Q * block_size; // Advance the pointer by the size of the output 570 } 571 } 572 // Apply QFunction 573 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 574 } else { 575 const CeedScalar *q_vec_array; 576 577 // Copy Identity Outputs 578 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[0], &size)); 579 CeedCallBackend(CeedVectorGetArrayRead(impl->q_vecs_out[0], CEED_MEM_HOST, &q_vec_array)); 580 for (CeedInt i = 0; i < size * Q * block_size; i++) l_vec_array[i] = q_vec_array[i]; 581 CeedCallBackend(CeedVectorRestoreArrayRead(impl->q_vecs_out[0], &q_vec_array)); 582 l_vec_array += size * Q * block_size; 583 } 584 } 585 } 586 587 // Un-set output Qvecs to prevent accidental overwrite of Assembled 588 if (!impl->is_identity_qf) { 589 for (CeedInt out = 0; out < num_output_fields; out++) { 590 CeedVector vec; 591 592 // Get output vector 593 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 594 // Check if active output 595 if (vec == CEED_VECTOR_ACTIVE) { 596 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_HOST, NULL)); 597 } 598 } 599 } 600 601 // Restore input arrays 602 CeedCallBackend(CeedOperatorRestoreInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, true, e_data_full, impl)); 603 604 // Output blocked restriction 605 CeedCallBackend(CeedVectorRestoreArray(l_vec, &l_vec_array)); 606 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 607 CeedCallBackend(CeedElemRestrictionApply(block_rstr, CEED_TRANSPOSE, l_vec, *assembled, request)); 608 return CEED_ERROR_SUCCESS; 609 } 610 611 //------------------------------------------------------------------------------ 612 // Assemble Linear QFunction 613 //------------------------------------------------------------------------------ 614 static int CeedOperatorLinearAssembleQFunction_Blocked(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 615 return CeedOperatorLinearAssembleQFunctionCore_Blocked(op, true, assembled, rstr, request); 616 } 617 618 //------------------------------------------------------------------------------ 619 // Update Assembled Linear QFunction 620 //------------------------------------------------------------------------------ 621 static int CeedOperatorLinearAssembleQFunctionUpdate_Blocked(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 622 return CeedOperatorLinearAssembleQFunctionCore_Blocked(op, false, &assembled, &rstr, request); 623 } 624 625 //------------------------------------------------------------------------------ 626 // Operator Destroy 627 //------------------------------------------------------------------------------ 628 static int CeedOperatorDestroy_Blocked(CeedOperator op) { 629 CeedOperator_Blocked *impl; 630 631 CeedCallBackend(CeedOperatorGetData(op, &impl)); 632 633 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 634 CeedCallBackend(CeedElemRestrictionDestroy(&impl->block_rstr[i])); 635 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 636 } 637 CeedCallBackend(CeedFree(&impl->block_rstr)); 638 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 639 CeedCallBackend(CeedFree(&impl->input_states)); 640 641 for (CeedInt i = 0; i < impl->num_inputs; i++) { 642 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 643 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 644 } 645 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 646 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 647 648 for (CeedInt i = 0; i < impl->num_outputs; i++) { 649 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 650 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 651 } 652 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 653 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 654 655 // QFunction assembly data 656 for (CeedInt i = 0; i < impl->num_active_in; i++) { 657 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 658 } 659 CeedCallBackend(CeedFree(&impl->qf_active_in)); 660 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 661 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_block_rstr)); 662 663 CeedCallBackend(CeedFree(&impl)); 664 return CEED_ERROR_SUCCESS; 665 } 666 667 //------------------------------------------------------------------------------ 668 // Operator Create 669 //------------------------------------------------------------------------------ 670 int CeedOperatorCreate_Blocked(CeedOperator op) { 671 Ceed ceed; 672 CeedOperator_Blocked *impl; 673 674 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 675 CeedCallBackend(CeedCalloc(1, &impl)); 676 CeedCallBackend(CeedOperatorSetData(op, impl)); 677 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Blocked)); 678 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Blocked)); 679 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Blocked)); 680 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Blocked)); 681 return CEED_ERROR_SUCCESS; 682 } 683 684 //------------------------------------------------------------------------------ 685