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