1 // Copyright (c) 2017-2024, 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][(CeedSize)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][(CeedSize)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(CeedVectorSetArray(impl->e_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, 313 &e_data_full[i + num_input_fields][(CeedSize)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 return CeedError(CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 319 // LCOV_EXCL_STOP 320 } 321 } 322 } 323 return CEED_ERROR_SUCCESS; 324 } 325 326 //------------------------------------------------------------------------------ 327 // Restore Input Vectors 328 //------------------------------------------------------------------------------ 329 static inline int CeedOperatorRestoreInputs_Blocked(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 330 bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 331 for (CeedInt i = 0; i < num_input_fields; i++) { 332 CeedEvalMode eval_mode; 333 334 // Skip active inputs 335 if (skip_active) { 336 CeedVector vec; 337 338 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 339 if (vec == CEED_VECTOR_ACTIVE) continue; 340 } 341 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 342 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 343 } else { 344 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data_full[i])); 345 } 346 } 347 return CEED_ERROR_SUCCESS; 348 } 349 350 //------------------------------------------------------------------------------ 351 // Operator Apply 352 //------------------------------------------------------------------------------ 353 static int CeedOperatorApplyAdd_Blocked(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 354 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 355 const CeedInt block_size = 8; 356 CeedEvalMode eval_mode; 357 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 358 CeedQFunctionField *qf_input_fields, *qf_output_fields; 359 CeedQFunction qf; 360 CeedOperatorField *op_input_fields, *op_output_fields; 361 CeedOperator_Blocked *impl; 362 363 CeedCallBackend(CeedOperatorGetData(op, &impl)); 364 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 365 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 366 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 367 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 368 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 369 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 370 371 // Setup 372 CeedCallBackend(CeedOperatorSetup_Blocked(op)); 373 374 // Restriction only operator 375 if (impl->is_identity_rstr_op) { 376 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[0], CEED_NOTRANSPOSE, in_vec, impl->e_vecs_full[0], request)); 377 CeedCallBackend(CeedElemRestrictionApply(impl->block_rstr[1], CEED_TRANSPOSE, impl->e_vecs_full[0], out_vec, request)); 378 return CEED_ERROR_SUCCESS; 379 } 380 381 // Input Evecs and Restriction 382 CeedCallBackend(CeedOperatorSetupInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, in_vec, false, e_data_full, impl, request)); 383 384 // Output Evecs 385 for (CeedInt i = 0; i < num_output_fields; i++) { 386 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_full[i + impl->num_inputs], CEED_MEM_HOST, &e_data_full[i + num_input_fields])); 387 } 388 389 // Loop through elements 390 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 391 // Output pointers 392 for (CeedInt i = 0; i < num_output_fields; i++) { 393 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 394 if (eval_mode == CEED_EVAL_NONE) { 395 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 396 CeedCallBackend( 397 CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][(CeedSize)e * Q * size])); 398 } 399 } 400 401 // Input basis apply 402 CeedCallBackend(CeedOperatorInputBasis_Blocked(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, false, e_data_full, impl)); 403 404 // Q function 405 if (!impl->is_identity_qf) { 406 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 407 } 408 409 // Output basis apply 410 CeedCallBackend(CeedOperatorOutputBasis_Blocked(e, Q, qf_output_fields, op_output_fields, block_size, num_input_fields, num_output_fields, op, 411 e_data_full, impl)); 412 } 413 414 // Output restriction 415 for (CeedInt i = 0; i < num_output_fields; i++) { 416 CeedVector vec; 417 418 // Restore evec 419 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_full[i + impl->num_inputs], &e_data_full[i + num_input_fields])); 420 // Get output vector 421 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 422 // Active 423 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 424 // Restrict 425 CeedCallBackend( 426 CeedElemRestrictionApply(impl->block_rstr[i + impl->num_inputs], CEED_TRANSPOSE, impl->e_vecs_full[i + impl->num_inputs], vec, request)); 427 } 428 429 // Restore input arrays 430 CeedCallBackend(CeedOperatorRestoreInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, false, e_data_full, impl)); 431 return CEED_ERROR_SUCCESS; 432 } 433 434 //------------------------------------------------------------------------------ 435 // Core code for assembling linear QFunction 436 //------------------------------------------------------------------------------ 437 static inline int CeedOperatorLinearAssembleQFunctionCore_Blocked(CeedOperator op, bool build_objects, CeedVector *assembled, 438 CeedElemRestriction *rstr, CeedRequest *request) { 439 Ceed ceed; 440 CeedInt qf_size_in, qf_size_out, Q, num_input_fields, num_output_fields, num_elem; 441 const CeedInt block_size = 8; 442 CeedScalar *l_vec_array; 443 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 444 CeedQFunctionField *qf_input_fields, *qf_output_fields; 445 CeedQFunction qf; 446 CeedOperatorField *op_input_fields, *op_output_fields; 447 CeedOperator_Blocked *impl; 448 449 CeedCallBackend(CeedOperatorGetData(op, &impl)); 450 qf_size_in = impl->qf_size_in; 451 qf_size_out = impl->qf_size_out; 452 CeedVector l_vec = impl->qf_l_vec; 453 CeedElemRestriction block_rstr = impl->qf_block_rstr; 454 455 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 456 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 457 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 458 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 459 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 460 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 461 const CeedInt num_blocks = (num_elem / block_size) + !!(num_elem % block_size); 462 463 // Setup 464 CeedCallBackend(CeedOperatorSetup_Blocked(op)); 465 466 // Check for restriction only operator 467 CeedCheck(!impl->is_identity_rstr_op, ceed, CEED_ERROR_BACKEND, "Assembling restriction only operators is not supported"); 468 469 // Input Evecs and Restriction 470 CeedCallBackend(CeedOperatorSetupInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data_full, impl, request)); 471 472 // Count number of active input fields 473 if (qf_size_in == 0) { 474 for (CeedInt i = 0; i < num_input_fields; i++) { 475 CeedInt field_size; 476 CeedVector vec; 477 478 // Get input vector 479 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 480 // Check if active input 481 if (vec == CEED_VECTOR_ACTIVE) { 482 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &field_size)); 483 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 484 qf_size_in += field_size; 485 } 486 } 487 CeedCheck(qf_size_in > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 488 impl->qf_size_in = qf_size_in; 489 } 490 491 // Count number of active output fields 492 if (qf_size_out == 0) { 493 for (CeedInt i = 0; i < num_output_fields; i++) { 494 CeedInt field_size; 495 CeedVector vec; 496 497 // Get output vector 498 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 499 // Check if active output 500 if (vec == CEED_VECTOR_ACTIVE) { 501 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &field_size)); 502 qf_size_out += field_size; 503 } 504 } 505 CeedCheck(qf_size_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 506 impl->qf_size_out = qf_size_out; 507 } 508 509 // Setup Lvec 510 if (!l_vec) { 511 const CeedSize l_size = (CeedSize)num_blocks * block_size * Q * qf_size_in * qf_size_out; 512 513 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 514 impl->qf_l_vec = l_vec; 515 } 516 CeedCallBackend(CeedVectorGetArrayWrite(l_vec, CEED_MEM_HOST, &l_vec_array)); 517 518 // Setup block restriction 519 if (!block_rstr) { 520 const CeedInt strides[3] = {1, Q, qf_size_in * qf_size_out * Q}; 521 522 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, block_size, qf_size_in * qf_size_out, 523 qf_size_in * qf_size_out * num_elem * Q, strides, &block_rstr)); 524 impl->qf_block_rstr = block_rstr; 525 } 526 527 // Build objects if needed 528 if (build_objects) { 529 const CeedSize l_size = (CeedSize)num_elem * Q * qf_size_in * qf_size_out; 530 const CeedInt strides[3] = {1, Q, qf_size_in * qf_size_out * Q}; 531 532 // Create output restriction 533 CeedCallBackend( 534 CeedElemRestrictionCreateStrided(ceed, num_elem, Q, qf_size_in * qf_size_out, qf_size_in * qf_size_out * num_elem * Q, strides, rstr)); 535 // Create assembled vector 536 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 537 } 538 539 // Loop through elements 540 for (CeedInt e = 0; e < num_blocks * block_size; e += block_size) { 541 // Input basis apply 542 CeedCallBackend(CeedOperatorInputBasis_Blocked(e, Q, qf_input_fields, op_input_fields, num_input_fields, block_size, true, e_data_full, impl)); 543 544 // Assemble QFunction 545 for (CeedInt i = 0; i < num_input_fields; i++) { 546 CeedInt field_size; 547 CeedVector vec; 548 549 // Get input vector 550 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 551 // Check if active input 552 if (vec != CEED_VECTOR_ACTIVE) continue; 553 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &field_size)); 554 for (CeedInt field = 0; field < field_size; field++) { 555 // Set current portion of input to 1.0 556 { 557 CeedScalar *array; 558 559 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &array)); 560 for (CeedInt j = 0; j < Q * block_size; j++) array[field * Q * block_size + j] = 1.0; 561 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &array)); 562 } 563 564 if (!impl->is_identity_qf) { 565 // Set Outputs 566 for (CeedInt out = 0; out < num_output_fields; out++) { 567 CeedInt field_size; 568 CeedVector vec; 569 570 // Get output vector 571 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 572 // Check if active output 573 if (vec == CEED_VECTOR_ACTIVE) { 574 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, l_vec_array)); 575 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &field_size)); 576 l_vec_array += field_size * Q * block_size; // Advance the pointer by the size of the output 577 } 578 } 579 // Apply QFunction 580 CeedCallBackend(CeedQFunctionApply(qf, Q * block_size, impl->q_vecs_in, impl->q_vecs_out)); 581 } else { 582 CeedInt field_size; 583 const CeedScalar *array; 584 585 // Copy Identity Outputs 586 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[0], &field_size)); 587 CeedCallBackend(CeedVectorGetArrayRead(impl->q_vecs_out[0], CEED_MEM_HOST, &array)); 588 for (CeedInt j = 0; j < field_size * Q * block_size; j++) l_vec_array[j] = array[j]; 589 CeedCallBackend(CeedVectorRestoreArrayRead(impl->q_vecs_out[0], &array)); 590 l_vec_array += field_size * Q * block_size; 591 } 592 // Reset input to 0.0 593 { 594 CeedScalar *array; 595 596 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &array)); 597 for (CeedInt j = 0; j < Q * block_size; j++) array[field * Q * block_size + j] = 0.0; 598 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &array)); 599 } 600 } 601 } 602 } 603 604 // Un-set output Qvecs to prevent accidental overwrite of Assembled 605 if (!impl->is_identity_qf) { 606 for (CeedInt out = 0; out < num_output_fields; out++) { 607 CeedVector vec; 608 609 // Get output vector 610 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 611 // Check if active output 612 if (vec == CEED_VECTOR_ACTIVE) { 613 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_HOST, NULL)); 614 } 615 } 616 } 617 618 // Restore input arrays 619 CeedCallBackend(CeedOperatorRestoreInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, true, e_data_full, impl)); 620 621 // Output blocked restriction 622 CeedCallBackend(CeedVectorRestoreArray(l_vec, &l_vec_array)); 623 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 624 CeedCallBackend(CeedElemRestrictionApply(block_rstr, CEED_TRANSPOSE, l_vec, *assembled, request)); 625 return CEED_ERROR_SUCCESS; 626 } 627 628 //------------------------------------------------------------------------------ 629 // Assemble Linear QFunction 630 //------------------------------------------------------------------------------ 631 static int CeedOperatorLinearAssembleQFunction_Blocked(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 632 return CeedOperatorLinearAssembleQFunctionCore_Blocked(op, true, assembled, rstr, request); 633 } 634 635 //------------------------------------------------------------------------------ 636 // Update Assembled Linear QFunction 637 //------------------------------------------------------------------------------ 638 static int CeedOperatorLinearAssembleQFunctionUpdate_Blocked(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 639 return CeedOperatorLinearAssembleQFunctionCore_Blocked(op, false, &assembled, &rstr, request); 640 } 641 642 //------------------------------------------------------------------------------ 643 // Operator Destroy 644 //------------------------------------------------------------------------------ 645 static int CeedOperatorDestroy_Blocked(CeedOperator op) { 646 CeedOperator_Blocked *impl; 647 648 CeedCallBackend(CeedOperatorGetData(op, &impl)); 649 650 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 651 CeedCallBackend(CeedElemRestrictionDestroy(&impl->block_rstr[i])); 652 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 653 } 654 CeedCallBackend(CeedFree(&impl->block_rstr)); 655 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 656 CeedCallBackend(CeedFree(&impl->input_states)); 657 658 for (CeedInt i = 0; i < impl->num_inputs; i++) { 659 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 660 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 661 } 662 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 663 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 664 665 for (CeedInt i = 0; i < impl->num_outputs; i++) { 666 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 667 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 668 } 669 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 670 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 671 672 // QFunction assembly data 673 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 674 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_block_rstr)); 675 676 CeedCallBackend(CeedFree(&impl)); 677 return CEED_ERROR_SUCCESS; 678 } 679 680 //------------------------------------------------------------------------------ 681 // Operator Create 682 //------------------------------------------------------------------------------ 683 int CeedOperatorCreate_Blocked(CeedOperator op) { 684 Ceed ceed; 685 CeedOperator_Blocked *impl; 686 687 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 688 CeedCallBackend(CeedCalloc(1, &impl)); 689 CeedCallBackend(CeedOperatorSetData(op, impl)); 690 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Blocked)); 691 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Blocked)); 692 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Blocked)); 693 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Blocked)); 694 return CEED_ERROR_SUCCESS; 695 } 696 697 //------------------------------------------------------------------------------ 698