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 { 29 Ceed ceed_parent; 30 31 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 32 CeedCallBackend(CeedGetParent(ceed, &ceed_parent)); 33 if (ceed_parent) ceed = ceed_parent; 34 } 35 if (is_input) { 36 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 37 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 38 } else { 39 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 40 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 41 } 42 43 // Loop over fields 44 for (CeedInt i = 0; i < num_fields; i++) { 45 CeedEvalMode eval_mode; 46 CeedBasis basis; 47 48 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 49 if (eval_mode != CEED_EVAL_WEIGHT) { 50 Ceed ceed_rstr; 51 CeedSize l_size; 52 CeedInt num_elem, elem_size, comp_stride; 53 CeedRestrictionType rstr_type; 54 CeedElemRestriction rstr; 55 56 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr)); 57 CeedCallBackend(CeedElemRestrictionGetCeed(rstr, &ceed_rstr)); 58 CeedCallBackend(CeedElemRestrictionGetNumElements(rstr, &num_elem)); 59 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr, &elem_size)); 60 CeedCallBackend(CeedElemRestrictionGetLVectorSize(rstr, &l_size)); 61 CeedCallBackend(CeedElemRestrictionGetNumComponents(rstr, &num_comp)); 62 CeedCallBackend(CeedElemRestrictionGetCompStride(rstr, &comp_stride)); 63 64 CeedCallBackend(CeedElemRestrictionGetType(rstr, &rstr_type)); 65 switch (rstr_type) { 66 case CEED_RESTRICTION_STANDARD: { 67 const CeedInt *offsets = NULL; 68 69 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr, CEED_MEM_HOST, &offsets)); 70 CeedCallBackend(CeedElemRestrictionCreateBlocked(ceed_rstr, num_elem, elem_size, block_size, num_comp, comp_stride, l_size, CEED_MEM_HOST, 71 CEED_COPY_VALUES, offsets, &block_rstr[i + start_e])); 72 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr, &offsets)); 73 } break; 74 case CEED_RESTRICTION_ORIENTED: { 75 const bool *orients = NULL; 76 const CeedInt *offsets = NULL; 77 78 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr, CEED_MEM_HOST, &offsets)); 79 CeedCallBackend(CeedElemRestrictionGetOrientations(rstr, CEED_MEM_HOST, &orients)); 80 CeedCallBackend(CeedElemRestrictionCreateBlockedOriented(ceed_rstr, num_elem, elem_size, block_size, num_comp, comp_stride, l_size, 81 CEED_MEM_HOST, CEED_COPY_VALUES, offsets, orients, &block_rstr[i + start_e])); 82 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr, &offsets)); 83 CeedCallBackend(CeedElemRestrictionRestoreOrientations(rstr, &orients)); 84 } break; 85 case CEED_RESTRICTION_CURL_ORIENTED: { 86 const CeedInt8 *curl_orients = NULL; 87 const CeedInt *offsets = NULL; 88 89 CeedCallBackend(CeedElemRestrictionGetOffsets(rstr, CEED_MEM_HOST, &offsets)); 90 CeedCallBackend(CeedElemRestrictionGetCurlOrientations(rstr, CEED_MEM_HOST, &curl_orients)); 91 CeedCallBackend(CeedElemRestrictionCreateBlockedCurlOriented(ceed_rstr, num_elem, elem_size, block_size, num_comp, comp_stride, l_size, 92 CEED_MEM_HOST, CEED_COPY_VALUES, offsets, curl_orients, 93 &block_rstr[i + start_e])); 94 CeedCallBackend(CeedElemRestrictionRestoreOffsets(rstr, &offsets)); 95 CeedCallBackend(CeedElemRestrictionRestoreCurlOrientations(rstr, &curl_orients)); 96 } break; 97 case CEED_RESTRICTION_STRIDED: { 98 CeedInt strides[3]; 99 100 CeedCallBackend(CeedElemRestrictionGetStrides(rstr, strides)); 101 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed_rstr, num_elem, elem_size, block_size, num_comp, l_size, strides, 102 &block_rstr[i + start_e])); 103 } break; 104 case CEED_RESTRICTION_POINTS: 105 // Empty case - won't occur 106 break; 107 } 108 CeedCallBackend(CeedElemRestrictionCreateVector(block_rstr[i + start_e], NULL, &e_vecs_full[i + start_e])); 109 } 110 111 switch (eval_mode) { 112 case CEED_EVAL_NONE: 113 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 114 q_size = (CeedSize)Q * size * block_size; 115 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 116 break; 117 case CEED_EVAL_INTERP: 118 case CEED_EVAL_GRAD: 119 case CEED_EVAL_DIV: 120 case CEED_EVAL_CURL: 121 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 122 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 123 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 124 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 125 e_size = (CeedSize)P * num_comp * block_size; 126 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 127 q_size = (CeedSize)Q * size * block_size; 128 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 129 break; 130 case CEED_EVAL_WEIGHT: // Only on input fields 131 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 132 q_size = (CeedSize)Q * block_size; 133 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 134 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 135 break; 136 } 137 } 138 return CEED_ERROR_SUCCESS; 139 } 140 141 //------------------------------------------------------------------------------ 142 // Setup Operator 143 //------------------------------------------------------------------------------ 144 static int CeedOperatorSetup_Blocked(CeedOperator op) { 145 bool is_setup_done; 146 Ceed ceed; 147 CeedInt Q, num_input_fields, num_output_fields; 148 const CeedInt block_size = 8; 149 CeedQFunctionField *qf_input_fields, *qf_output_fields; 150 CeedQFunction qf; 151 CeedOperatorField *op_input_fields, *op_output_fields; 152 CeedOperator_Blocked *impl; 153 154 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 155 if (is_setup_done) return CEED_ERROR_SUCCESS; 156 157 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 158 CeedCallBackend(CeedOperatorGetData(op, &impl)); 159 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 160 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 161 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 162 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 163 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 164 165 // Allocate 166 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->block_rstr)); 167 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 168 169 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 170 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 171 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 172 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 173 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 174 175 impl->num_inputs = num_input_fields; 176 impl->num_outputs = num_output_fields; 177 178 // Set up infield and outfield pointer arrays 179 // Infields 180 CeedCallBackend(CeedOperatorSetupFields_Blocked(qf, op, true, block_size, impl->block_rstr, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, 181 num_input_fields, Q)); 182 // Outfields 183 CeedCallBackend(CeedOperatorSetupFields_Blocked(qf, op, false, block_size, impl->block_rstr, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, 184 num_input_fields, num_output_fields, Q)); 185 186 // Identity QFunctions 187 if (impl->is_identity_qf) { 188 CeedEvalMode in_mode, out_mode; 189 CeedQFunctionField *in_fields, *out_fields; 190 191 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 192 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 193 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 194 195 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 196 impl->is_identity_rstr_op = true; 197 } else { 198 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 199 } 200 } 201 202 CeedCallBackend(CeedOperatorSetSetupDone(op)); 203 return CEED_ERROR_SUCCESS; 204 } 205 206 //------------------------------------------------------------------------------ 207 // Setup Operator Inputs 208 //------------------------------------------------------------------------------ 209 static inline int CeedOperatorSetupInputs_Blocked(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 210 CeedVector in_vec, bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], 211 CeedOperator_Blocked *impl, CeedRequest *request) { 212 for (CeedInt i = 0; i < num_input_fields; i++) { 213 uint64_t state; 214 CeedEvalMode eval_mode; 215 CeedVector vec; 216 217 // Get input vector 218 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 219 if (vec == CEED_VECTOR_ACTIVE) { 220 if (skip_active) continue; 221 else vec = in_vec; 222 } 223 224 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 225 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 226 } else { 227 // Restrict 228 CeedCallBackend(CeedVectorGetState(vec, &state)); 229 if (state != impl->input_states[i] || vec == in_vec) { 230 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 231 impl->input_states[i] = state; 232 } 233 // Get evec 234 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data_full[i])); 235 } 236 } 237 return CEED_ERROR_SUCCESS; 238 } 239 240 //------------------------------------------------------------------------------ 241 // Input Basis Action 242 //------------------------------------------------------------------------------ 243 static inline int CeedOperatorInputBasis_Blocked(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 244 CeedInt num_input_fields, CeedInt block_size, bool skip_active, 245 CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 246 for (CeedInt i = 0; i < num_input_fields; i++) { 247 CeedInt elem_size, size, num_comp; 248 CeedEvalMode eval_mode; 249 CeedElemRestriction elem_rstr; 250 CeedBasis basis; 251 252 // Skip active input 253 if (skip_active) { 254 CeedVector vec; 255 256 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 257 if (vec == CEED_VECTOR_ACTIVE) continue; 258 } 259 260 // Get elem_size, eval_mode, size 261 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); 262 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 263 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 264 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 265 // Basis action 266 switch (eval_mode) { 267 case CEED_EVAL_NONE: 268 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * Q * size])); 269 break; 270 case CEED_EVAL_INTERP: 271 case CEED_EVAL_GRAD: 272 case CEED_EVAL_DIV: 273 case CEED_EVAL_CURL: 274 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 275 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 276 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * elem_size * num_comp])); 277 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 278 break; 279 case CEED_EVAL_WEIGHT: 280 break; // No action 281 } 282 } 283 return CEED_ERROR_SUCCESS; 284 } 285 286 //------------------------------------------------------------------------------ 287 // Output Basis Action 288 //------------------------------------------------------------------------------ 289 static inline int CeedOperatorOutputBasis_Blocked(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 290 CeedInt block_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 291 CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 292 for (CeedInt i = 0; i < num_output_fields; i++) { 293 CeedInt elem_size, num_comp; 294 CeedEvalMode eval_mode; 295 CeedElemRestriction elem_rstr; 296 CeedBasis basis; 297 298 // Get elem_size, eval_mode, size 299 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_rstr)); 300 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 301 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 302 // Basis action 303 switch (eval_mode) { 304 case CEED_EVAL_NONE: 305 break; // No action 306 case CEED_EVAL_INTERP: 307 case CEED_EVAL_GRAD: 308 case CEED_EVAL_DIV: 309 case CEED_EVAL_CURL: 310 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 311 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 312 CeedCallBackend( 313 CeedVectorSetArray(impl->e_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * elem_size * num_comp])); 314 CeedCallBackend(CeedBasisApply(basis, block_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 315 break; 316 // LCOV_EXCL_START 317 case CEED_EVAL_WEIGHT: { 318 Ceed ceed; 319 320 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 321 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 322 // LCOV_EXCL_STOP 323 } 324 } 325 } 326 return CEED_ERROR_SUCCESS; 327 } 328 329 //------------------------------------------------------------------------------ 330 // Restore Input Vectors 331 //------------------------------------------------------------------------------ 332 static inline int CeedOperatorRestoreInputs_Blocked(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 333 bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 334 for (CeedInt i = 0; i < num_input_fields; i++) { 335 CeedEvalMode eval_mode; 336 337 // Skip active inputs 338 if (skip_active) { 339 CeedVector vec; 340 341 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 342 if (vec == CEED_VECTOR_ACTIVE) continue; 343 } 344 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 345 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 346 } else { 347 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data_full[i])); 348 } 349 } 350 return CEED_ERROR_SUCCESS; 351 } 352 353 //------------------------------------------------------------------------------ 354 // Operator Apply 355 //------------------------------------------------------------------------------ 356 static int CeedOperatorApplyAdd_Blocked(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 357 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 358 const CeedInt block_size = 8; 359 CeedEvalMode eval_mode; 360 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 361 CeedQFunctionField *qf_input_fields, *qf_output_fields; 362 CeedQFunction qf; 363 CeedOperatorField *op_input_fields, *op_output_fields; 364 CeedOperator_Blocked *impl; 365 366 CeedCallBackend(CeedOperatorGetData(op, &impl)); 367 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 368 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 369 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 370 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 371 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 372 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 373 374 // Setup 375 CeedCallBackend(CeedOperatorSetup_Blocked(op)); 376 377 // Restriction only operator 378 if (impl->is_identity_rstr_op) { 379 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[0], CEED_NOTRANSPOSE, in_vec, impl->e_vecs_full[0], request)); 380 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[1], CEED_TRANSPOSE, impl->e_vecs_full[0], out_vec, request)); 381 return CEED_ERROR_SUCCESS; 382 } 383 384 // Input Evecs and Restriction 385 CeedCallBackend(CeedOperatorSetupInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, in_vec, false, e_data_full, impl, request)); 386 387 // Output Evecs 388 for (CeedInt i = 0; i < num_output_fields; i++) { 389 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_full[i + impl->num_inputs], CEED_MEM_HOST, &e_data_full[i + num_input_fields])); 390 } 391 392 // Loop through elements 393 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 394 // Output pointers 395 for (CeedInt i = 0; i < num_output_fields; i++) { 396 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 397 if (eval_mode == CEED_EVAL_NONE) { 398 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 399 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * Q * size])); 400 } 401 } 402 403 // Input basis apply 404 CeedCallBackend(CeedOperatorInputBasis_Blocked(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, false, e_data_full, impl)); 405 406 // Q function 407 if (!impl->is_identity_qf) { 408 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 409 } 410 411 // Output basis apply 412 CeedCallBackend(CeedOperatorOutputBasis_Blocked(e, Q, qf_output_fields, op_output_fields, block_size, num_input_fields, num_output_fields, op, 413 e_data_full, impl)); 414 } 415 416 // Output restriction 417 for (CeedInt i = 0; i < num_output_fields; i++) { 418 CeedVector vec; 419 420 // Restore evec 421 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_full[i + impl->num_inputs], &e_data_full[i + num_input_fields])); 422 // Get output vector 423 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 424 // Active 425 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 426 // Restrict 427 CeedCallBackend( 428 CeedElemRestrictionApply(impl->block_rstr[i + impl->num_inputs], CEED_TRANSPOSE, impl->e_vecs_full[i + impl->num_inputs], vec, request)); 429 } 430 431 // Restore input arrays 432 CeedCallBackend(CeedOperatorRestoreInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, false, e_data_full, impl)); 433 return CEED_ERROR_SUCCESS; 434 } 435 436 //------------------------------------------------------------------------------ 437 // Core code for assembling linear QFunction 438 //------------------------------------------------------------------------------ 439 static inline int CeedOperatorLinearAssembleQFunctionCore_Blocked(CeedOperator op, bool build_objects, CeedVector *assembled, 440 CeedElemRestriction *rstr, CeedRequest *request) { 441 Ceed ceed; 442 CeedSize q_size; 443 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 444 const CeedInt block_size = 8; 445 CeedScalar *l_vec_array; 446 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 447 CeedQFunctionField *qf_input_fields, *qf_output_fields; 448 CeedQFunction qf; 449 CeedOperatorField *op_input_fields, *op_output_fields; 450 CeedOperator_Blocked *impl; 451 452 CeedCallBackend(CeedOperatorGetData(op, &impl)); 453 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 454 CeedVector *active_in = impl->qf_active_in; 455 CeedVector l_vec = impl->qf_l_vec; 456 CeedElemRestriction block_rstr = impl->qf_block_rstr; 457 458 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 459 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 460 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 461 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 462 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 463 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 464 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 465 466 // Setup 467 CeedCallBackend(CeedOperatorSetup_Blocked(op)); 468 469 // Check for restriction only operator 470 CeedCheck(!impl->is_identity_rstr_op, ceed, CEED_ERROR_BACKEND, "Assembling restriction only operators is not supported"); 471 472 // Input Evecs and Restriction 473 CeedCallBackend(CeedOperatorSetupInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data_full, impl, request)); 474 475 // Count number of active input fields 476 if (!num_active_in) { 477 for (CeedInt i = 0; i < num_input_fields; i++) { 478 CeedScalar *q_vec_array; 479 CeedVector vec; 480 481 // Get input vector 482 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 483 // Check if active input 484 if (vec == CEED_VECTOR_ACTIVE) { 485 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 486 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 487 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &q_vec_array)); 488 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 489 for (CeedInt field = 0; field < size; field++) { 490 q_size = (CeedSize)Q * block_size; 491 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 492 CeedCallBackend( 493 CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &q_vec_array[field * Q * block_size])); 494 } 495 num_active_in += size; 496 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &q_vec_array)); 497 } 498 } 499 impl->num_active_in = num_active_in; 500 impl->qf_active_in = active_in; 501 } 502 503 // Count number of active output fields 504 if (!num_active_out) { 505 for (CeedInt i = 0; i < num_output_fields; i++) { 506 CeedVector vec; 507 508 // Get output vector 509 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 510 // Check if active output 511 if (vec == CEED_VECTOR_ACTIVE) { 512 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 513 num_active_out += size; 514 } 515 } 516 impl->num_active_out = num_active_out; 517 } 518 519 // Check sizes 520 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 521 522 // Setup Lvec 523 if (!l_vec) { 524 const CeedSize l_size = (CeedSize)num_blocks * block_size * Q * num_active_in * num_active_out; 525 526 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 527 impl->qf_l_vec = l_vec; 528 } 529 CeedCallBackend(CeedVectorGetArrayWrite(l_vec, CEED_MEM_HOST, &l_vec_array)); 530 531 // Setup block restriction 532 if (!block_rstr) { 533 const CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 534 535 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, block_size, num_active_in * num_active_out, 536 num_active_in * num_active_out * num_elem * Q, strides, &block_rstr)); 537 impl->qf_block_rstr = block_rstr; 538 } 539 540 // Build objects if needed 541 if (build_objects) { 542 const CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 543 const CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 544 545 // Create output restriction 546 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed, num_elem, Q, num_active_in * num_active_out, num_active_in * num_active_out * num_elem * Q, 547 strides, rstr)); 548 // Create assembled vector 549 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 550 } 551 552 // Loop through elements 553 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 554 // Input basis apply 555 CeedCallBackend(CeedOperatorInputBasis_Blocked(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, true, e_data_full, impl)); 556 557 // Assemble QFunction 558 for (CeedInt in = 0; in < num_active_in; in++) { 559 // Set Inputs 560 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 561 if (num_active_in > 1) { 562 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 563 } 564 if (!impl->is_identity_qf) { 565 // Set Outputs 566 for (CeedInt out = 0; out < num_output_fields; out++) { 567 CeedVector vec; 568 569 // Get output vector 570 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 571 // Check if active output 572 if (vec == CEED_VECTOR_ACTIVE) { 573 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, l_vec_array)); 574 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 575 l_vec_array += size * Q * block_size; // Advance the pointer by the size of the output 576 } 577 } 578 // Apply QFunction 579 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 580 } else { 581 const CeedScalar *q_vec_array; 582 583 // Copy Identity Outputs 584 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[0], &size)); 585 CeedCallBackend(CeedVectorGetArrayRead(impl->q_vecs_out[0], CEED_MEM_HOST, &q_vec_array)); 586 for (CeedInt i = 0; i < size * Q * block_size; i++) l_vec_array[i] = q_vec_array[i]; 587 CeedCallBackend(CeedVectorRestoreArrayRead(impl->q_vecs_out[0], &q_vec_array)); 588 l_vec_array += size * Q * block_size; 589 } 590 } 591 } 592 593 // Un-set output Qvecs to prevent accidental overwrite of Assembled 594 if (!impl->is_identity_qf) { 595 for (CeedInt out = 0; out < num_output_fields; out++) { 596 CeedVector vec; 597 598 // Get output vector 599 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 600 // Check if active output 601 if (vec == CEED_VECTOR_ACTIVE) { 602 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_HOST, NULL)); 603 } 604 } 605 } 606 607 // Restore input arrays 608 CeedCallBackend(CeedOperatorRestoreInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, true, e_data_full, impl)); 609 610 // Output blocked restriction 611 CeedCallBackend(CeedVectorRestoreArray(l_vec, &l_vec_array)); 612 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 613 CeedCallBackend(CeedElemRestrictionApply(block_rstr, CEED_TRANSPOSE, l_vec, *assembled, request)); 614 return CEED_ERROR_SUCCESS; 615 } 616 617 //------------------------------------------------------------------------------ 618 // Assemble Linear QFunction 619 //------------------------------------------------------------------------------ 620 static int CeedOperatorLinearAssembleQFunction_Blocked(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 621 return CeedOperatorLinearAssembleQFunctionCore_Blocked(op, true, assembled, rstr, request); 622 } 623 624 //------------------------------------------------------------------------------ 625 // Update Assembled Linear QFunction 626 //------------------------------------------------------------------------------ 627 static int CeedOperatorLinearAssembleQFunctionUpdate_Blocked(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 628 return CeedOperatorLinearAssembleQFunctionCore_Blocked(op, false, &assembled, &rstr, request); 629 } 630 631 //------------------------------------------------------------------------------ 632 // Operator Destroy 633 //------------------------------------------------------------------------------ 634 static int CeedOperatorDestroy_Blocked(CeedOperator op) { 635 CeedOperator_Blocked *impl; 636 637 CeedCallBackend(CeedOperatorGetData(op, &impl)); 638 639 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 640 CeedCallBackend(CeedElemRestrictionDestroy(&impl->block_rstr[i])); 641 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 642 } 643 CeedCallBackend(CeedFree(&impl->block_rstr)); 644 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 645 CeedCallBackend(CeedFree(&impl->input_states)); 646 647 for (CeedInt i = 0; i < impl->num_inputs; i++) { 648 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 649 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 650 } 651 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 652 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 653 654 for (CeedInt i = 0; i < impl->num_outputs; i++) { 655 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 656 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 657 } 658 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 659 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 660 661 // QFunction assembly data 662 for (CeedInt i = 0; i < impl->num_active_in; i++) { 663 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 664 } 665 CeedCallBackend(CeedFree(&impl->qf_active_in)); 666 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 667 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_block_rstr)); 668 669 CeedCallBackend(CeedFree(&impl)); 670 return CEED_ERROR_SUCCESS; 671 } 672 673 //------------------------------------------------------------------------------ 674 // Operator Create 675 //------------------------------------------------------------------------------ 676 int CeedOperatorCreate_Blocked(CeedOperator op) { 677 Ceed ceed; 678 CeedOperator_Blocked *impl; 679 680 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 681 CeedCallBackend(CeedCalloc(1, &impl)); 682 CeedCallBackend(CeedOperatorSetData(op, impl)); 683 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Blocked)); 684 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Blocked)); 685 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Blocked)); 686 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Blocked)); 687 return CEED_ERROR_SUCCESS; 688 } 689 690 //------------------------------------------------------------------------------ 691