1 // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3 // 4 // SPDX-License-Identifier: BSD-2-Clause 5 // 6 // This file is part of CEED: http://github.com/ceed 7 8 #include <ceed.h> 9 #include <ceed/backend.h> 10 #include <stdbool.h> 11 #include <stddef.h> 12 #include <stdint.h> 13 14 #include "ceed-blocked.h" 15 16 //------------------------------------------------------------------------------ 17 // Setup Input/Output Fields 18 //------------------------------------------------------------------------------ 19 static int CeedOperatorSetupFields_Blocked(CeedQFunction qf, CeedOperator op, bool is_input, CeedElemRestriction *blk_restr, CeedVector *e_vecs_full, 20 CeedVector *e_vecs, CeedVector *q_vecs, CeedInt start_e, CeedInt num_fields, CeedInt Q) { 21 CeedInt num_comp, size, P; 22 CeedSize e_size, q_size; 23 Ceed ceed; 24 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 25 CeedBasis basis; 26 CeedElemRestriction r; 27 CeedOperatorField *op_fields; 28 CeedQFunctionField *qf_fields; 29 if (is_input) { 30 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 31 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 32 } else { 33 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 34 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 35 } 36 const CeedInt blk_size = 8; 37 38 // Loop over fields 39 for (CeedInt i = 0; i < num_fields; i++) { 40 CeedEvalMode eval_mode; 41 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 42 43 if (eval_mode != CEED_EVAL_WEIGHT) { 44 Ceed ceed_rstr; 45 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &r)); 46 CeedCallBackend(CeedElemRestrictionGetCeed(r, &ceed_rstr)); 47 CeedSize l_size; 48 CeedInt num_elem, elem_size, comp_stride; 49 CeedCallBackend(CeedElemRestrictionGetNumElements(r, &num_elem)); 50 CeedCallBackend(CeedElemRestrictionGetElementSize(r, &elem_size)); 51 CeedCallBackend(CeedElemRestrictionGetLVectorSize(r, &l_size)); 52 CeedCallBackend(CeedElemRestrictionGetNumComponents(r, &num_comp)); 53 CeedCallBackend(CeedElemRestrictionGetCompStride(r, &comp_stride)); 54 55 CeedRestrictionType rstr_type; 56 CeedCallBackend(CeedElemRestrictionGetType(r, &rstr_type)); 57 switch (rstr_type) { 58 case CEED_RESTRICTION_STANDARD: { 59 const CeedInt *offsets = NULL; 60 CeedCallBackend(CeedElemRestrictionGetOffsets(r, CEED_MEM_HOST, &offsets)); 61 CeedCallBackend(CeedElemRestrictionCreateBlocked(ceed_rstr, num_elem, elem_size, blk_size, num_comp, comp_stride, l_size, CEED_MEM_HOST, 62 CEED_COPY_VALUES, offsets, &blk_restr[i + start_e])); 63 CeedCallBackend(CeedElemRestrictionRestoreOffsets(r, &offsets)); 64 } break; 65 case CEED_RESTRICTION_ORIENTED: { 66 const CeedInt *offsets = NULL; 67 const bool *orients = NULL; 68 CeedCallBackend(CeedElemRestrictionGetOffsets(r, CEED_MEM_HOST, &offsets)); 69 CeedCallBackend(CeedElemRestrictionGetOrientations(r, CEED_MEM_HOST, &orients)); 70 CeedCallBackend(CeedElemRestrictionCreateBlockedOriented(ceed_rstr, num_elem, elem_size, blk_size, num_comp, comp_stride, l_size, 71 CEED_MEM_HOST, CEED_COPY_VALUES, offsets, orients, &blk_restr[i + start_e])); 72 CeedCallBackend(CeedElemRestrictionRestoreOffsets(r, &offsets)); 73 CeedCallBackend(CeedElemRestrictionRestoreOrientations(r, &orients)); 74 } break; 75 case CEED_RESTRICTION_CURL_ORIENTED: { 76 const CeedInt *offsets = NULL; 77 const CeedInt8 *curl_orients = NULL; 78 CeedCallBackend(CeedElemRestrictionGetOffsets(r, CEED_MEM_HOST, &offsets)); 79 CeedCallBackend(CeedElemRestrictionGetCurlOrientations(r, CEED_MEM_HOST, &curl_orients)); 80 CeedCallBackend(CeedElemRestrictionCreateBlockedCurlOriented(ceed_rstr, num_elem, elem_size, blk_size, num_comp, comp_stride, l_size, 81 CEED_MEM_HOST, CEED_COPY_VALUES, offsets, curl_orients, 82 &blk_restr[i + start_e])); 83 CeedCallBackend(CeedElemRestrictionRestoreOffsets(r, &offsets)); 84 CeedCallBackend(CeedElemRestrictionRestoreCurlOrientations(r, &curl_orients)); 85 } break; 86 case CEED_RESTRICTION_STRIDED: { 87 CeedInt strides[3]; 88 CeedCallBackend(CeedElemRestrictionGetStrides(r, &strides)); 89 CeedCallBackend( 90 CeedElemRestrictionCreateBlockedStrided(ceed_rstr, num_elem, elem_size, blk_size, num_comp, l_size, strides, &blk_restr[i + start_e])); 91 } break; 92 } 93 CeedCallBackend(CeedElemRestrictionCreateVector(blk_restr[i + start_e], NULL, &e_vecs_full[i + start_e])); 94 } 95 96 switch (eval_mode) { 97 case CEED_EVAL_NONE: 98 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 99 q_size = (CeedSize)Q * size * blk_size; 100 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 101 break; 102 case CEED_EVAL_INTERP: 103 case CEED_EVAL_GRAD: 104 case CEED_EVAL_DIV: 105 case CEED_EVAL_CURL: 106 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 107 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 108 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 109 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 110 e_size = (CeedSize)P * num_comp * blk_size; 111 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 112 q_size = (CeedSize)Q * size * blk_size; 113 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 114 break; 115 case CEED_EVAL_WEIGHT: // Only on input fields 116 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 117 q_size = (CeedSize)Q * blk_size; 118 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 119 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 120 break; 121 } 122 } 123 return CEED_ERROR_SUCCESS; 124 } 125 126 //------------------------------------------------------------------------------ 127 // Setup Operator 128 //------------------------------------------------------------------------------ 129 static int CeedOperatorSetup_Blocked(CeedOperator op) { 130 bool is_setup_done; 131 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 132 if (is_setup_done) return CEED_ERROR_SUCCESS; 133 Ceed ceed; 134 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 135 CeedOperator_Blocked *impl; 136 CeedCallBackend(CeedOperatorGetData(op, &impl)); 137 CeedQFunction qf; 138 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 139 CeedInt Q, num_input_fields, num_output_fields; 140 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 141 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 142 CeedOperatorField *op_input_fields, *op_output_fields; 143 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 144 CeedQFunctionField *qf_input_fields, *qf_output_fields; 145 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 146 147 // Allocate 148 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->blk_restr)); 149 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 150 151 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 152 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 153 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 154 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 155 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 156 157 impl->num_inputs = num_input_fields; 158 impl->num_outputs = num_output_fields; 159 160 // Set up infield and outfield pointer arrays 161 // Infields 162 CeedCallBackend( 163 CeedOperatorSetupFields_Blocked(qf, op, true, impl->blk_restr, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, num_input_fields, Q)); 164 // Outfields 165 CeedCallBackend(CeedOperatorSetupFields_Blocked(qf, op, false, impl->blk_restr, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, 166 num_input_fields, num_output_fields, Q)); 167 168 // Identity QFunctions 169 if (impl->is_identity_qf) { 170 CeedEvalMode in_mode, out_mode; 171 CeedQFunctionField *in_fields, *out_fields; 172 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 173 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 174 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 175 176 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 177 impl->is_identity_restr_op = true; 178 } else { 179 CeedCallBackend(CeedVectorReferenceCopy(impl->q_vecs_in[0], &impl->q_vecs_out[0])); 180 } 181 } 182 183 CeedCallBackend(CeedOperatorSetSetupDone(op)); 184 185 return CEED_ERROR_SUCCESS; 186 } 187 188 //------------------------------------------------------------------------------ 189 // Setup Operator Inputs 190 //------------------------------------------------------------------------------ 191 static inline int CeedOperatorSetupInputs_Blocked(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 192 CeedVector in_vec, bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], 193 CeedOperator_Blocked *impl, CeedRequest *request) { 194 CeedEvalMode eval_mode; 195 CeedVector vec; 196 uint64_t state; 197 198 for (CeedInt i = 0; i < num_input_fields; i++) { 199 // Get input vector 200 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 201 if (vec == CEED_VECTOR_ACTIVE) { 202 if (skip_active) continue; 203 else vec = in_vec; 204 } 205 206 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 207 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 208 } else { 209 // Restrict 210 CeedCallBackend(CeedVectorGetState(vec, &state)); 211 if (state != impl->input_states[i] || vec == in_vec) { 212 CeedCallBackend(CeedElemRestrictionApply(impl->blk_restr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 213 impl->input_states[i] = state; 214 } 215 // Get evec 216 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data_full[i])); 217 } 218 } 219 return CEED_ERROR_SUCCESS; 220 } 221 222 //------------------------------------------------------------------------------ 223 // Input Basis Action 224 //------------------------------------------------------------------------------ 225 static inline int CeedOperatorInputBasis_Blocked(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 226 CeedInt num_input_fields, CeedInt blk_size, bool skip_active, 227 CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 228 CeedInt elem_size, size, num_comp; 229 CeedElemRestriction elem_restr; 230 CeedEvalMode eval_mode; 231 CeedBasis basis; 232 233 for (CeedInt i = 0; i < num_input_fields; i++) { 234 // Skip active input 235 if (skip_active) { 236 CeedVector vec; 237 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 238 if (vec == CEED_VECTOR_ACTIVE) continue; 239 } 240 241 // Get elem_size, eval_mode, size 242 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_restr)); 243 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_restr, &elem_size)); 244 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 245 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 246 // Basis action 247 switch (eval_mode) { 248 case CEED_EVAL_NONE: 249 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * Q * size])); 250 break; 251 case CEED_EVAL_INTERP: 252 case CEED_EVAL_GRAD: 253 case CEED_EVAL_DIV: 254 case CEED_EVAL_CURL: 255 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 256 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 257 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i][e * elem_size * num_comp])); 258 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, eval_mode, impl->e_vecs_in[i], impl->q_vecs_in[i])); 259 break; 260 case CEED_EVAL_WEIGHT: 261 break; // No action 262 } 263 } 264 return CEED_ERROR_SUCCESS; 265 } 266 267 //------------------------------------------------------------------------------ 268 // Output Basis Action 269 //------------------------------------------------------------------------------ 270 static inline int CeedOperatorOutputBasis_Blocked(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 271 CeedInt blk_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 272 CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 273 CeedInt elem_size, num_comp; 274 CeedElemRestriction elem_restr; 275 CeedEvalMode eval_mode; 276 CeedBasis basis; 277 278 for (CeedInt i = 0; i < num_output_fields; i++) { 279 // Get elem_size, eval_mode, size 280 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_restr)); 281 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_restr, &elem_size)); 282 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 283 // Basis action 284 switch (eval_mode) { 285 case CEED_EVAL_NONE: 286 break; // No action 287 case CEED_EVAL_INTERP: 288 case CEED_EVAL_GRAD: 289 case CEED_EVAL_DIV: 290 case CEED_EVAL_CURL: 291 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 292 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 293 CeedCallBackend( 294 CeedVectorSetArray(impl->e_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * elem_size * num_comp])); 295 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_TRANSPOSE, eval_mode, impl->q_vecs_out[i], impl->e_vecs_out[i])); 296 break; 297 // LCOV_EXCL_START 298 case CEED_EVAL_WEIGHT: { 299 Ceed ceed; 300 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 301 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 302 // LCOV_EXCL_STOP 303 } 304 } 305 } 306 return CEED_ERROR_SUCCESS; 307 } 308 309 //------------------------------------------------------------------------------ 310 // Restore Input Vectors 311 //------------------------------------------------------------------------------ 312 static inline int CeedOperatorRestoreInputs_Blocked(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 313 bool skip_active, CeedScalar *e_data_full[2 * CEED_FIELD_MAX], CeedOperator_Blocked *impl) { 314 CeedEvalMode eval_mode; 315 316 for (CeedInt i = 0; i < num_input_fields; i++) { 317 // Skip active inputs 318 if (skip_active) { 319 CeedVector vec; 320 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 321 if (vec == CEED_VECTOR_ACTIVE) continue; 322 } 323 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 324 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 325 } else { 326 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data_full[i])); 327 } 328 } 329 return CEED_ERROR_SUCCESS; 330 } 331 332 //------------------------------------------------------------------------------ 333 // Operator Apply 334 //------------------------------------------------------------------------------ 335 static int CeedOperatorApplyAdd_Blocked(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 336 CeedOperator_Blocked *impl; 337 CeedCallBackend(CeedOperatorGetData(op, &impl)); 338 const CeedInt blk_size = 8; 339 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 340 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 341 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 342 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 343 CeedQFunction qf; 344 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 345 CeedOperatorField *op_input_fields, *op_output_fields; 346 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 347 CeedQFunctionField *qf_input_fields, *qf_output_fields; 348 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 349 CeedEvalMode eval_mode; 350 CeedVector vec; 351 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 352 353 // Setup 354 CeedCallBackend(CeedOperatorSetup_Blocked(op)); 355 356 // Restriction only operator 357 if (impl->is_identity_restr_op) { 358 CeedCallBackend(CeedElemRestrictionApply(impl->blk_restr[0], CEED_NOTRANSPOSE, in_vec, impl->e_vecs_full[0], request)); 359 CeedCallBackend(CeedElemRestrictionApply(impl->blk_restr[1], CEED_TRANSPOSE, impl->e_vecs_full[0], out_vec, request)); 360 return CEED_ERROR_SUCCESS; 361 } 362 363 // Input Evecs and Restriction 364 CeedCallBackend(CeedOperatorSetupInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, in_vec, false, e_data_full, impl, request)); 365 366 // Output Evecs 367 for (CeedInt i = 0; i < num_output_fields; i++) { 368 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_full[i + impl->num_inputs], CEED_MEM_HOST, &e_data_full[i + num_input_fields])); 369 } 370 371 // Loop through elements 372 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 373 // Output pointers 374 for (CeedInt i = 0; i < num_output_fields; i++) { 375 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 376 if (eval_mode == CEED_EVAL_NONE) { 377 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 378 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data_full[i + num_input_fields][e * Q * size])); 379 } 380 } 381 382 // Input basis apply 383 CeedCallBackend(CeedOperatorInputBasis_Blocked(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, false, e_data_full, impl)); 384 385 // Q function 386 if (!impl->is_identity_qf) { 387 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 388 } 389 390 // Output basis apply 391 CeedCallBackend(CeedOperatorOutputBasis_Blocked(e, Q, qf_output_fields, op_output_fields, blk_size, num_input_fields, num_output_fields, op, 392 e_data_full, impl)); 393 } 394 395 // Output restriction 396 for (CeedInt i = 0; i < num_output_fields; i++) { 397 // Restore evec 398 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_full[i + impl->num_inputs], &e_data_full[i + num_input_fields])); 399 // Get output vector 400 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 401 // Active 402 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 403 // Restrict 404 CeedCallBackend( 405 CeedElemRestrictionApply(impl->blk_restr[i + impl->num_inputs], CEED_TRANSPOSE, impl->e_vecs_full[i + impl->num_inputs], vec, request)); 406 } 407 408 // Restore input arrays 409 CeedCallBackend(CeedOperatorRestoreInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, false, e_data_full, impl)); 410 411 return CEED_ERROR_SUCCESS; 412 } 413 414 //------------------------------------------------------------------------------ 415 // Core code for assembling linear QFunction 416 //------------------------------------------------------------------------------ 417 static inline int CeedOperatorLinearAssembleQFunctionCore_Blocked(CeedOperator op, bool build_objects, CeedVector *assembled, 418 CeedElemRestriction *rstr, CeedRequest *request) { 419 CeedOperator_Blocked *impl; 420 CeedCallBackend(CeedOperatorGetData(op, &impl)); 421 const CeedInt blk_size = 8; 422 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 423 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 424 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 425 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 426 CeedQFunction qf; 427 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 428 CeedOperatorField *op_input_fields, *op_output_fields; 429 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 430 CeedQFunctionField *qf_input_fields, *qf_output_fields; 431 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 432 CeedVector vec, l_vec = impl->qf_l_vec; 433 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 434 CeedSize q_size; 435 CeedVector *active_in = impl->qf_active_in; 436 CeedScalar *a, *tmp; 437 Ceed ceed; 438 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 439 CeedScalar *e_data_full[2 * CEED_FIELD_MAX] = {0}; 440 441 // Setup 442 CeedCallBackend(CeedOperatorSetup_Blocked(op)); 443 444 // Check for identity 445 CeedCheck(!impl->is_identity_qf, ceed, CEED_ERROR_BACKEND, "Assembling identity QFunctions not supported"); 446 447 // Input Evecs and Restriction 448 CeedCallBackend(CeedOperatorSetupInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, NULL, true, e_data_full, impl, request)); 449 450 // Count number of active input fields 451 if (!num_active_in) { 452 for (CeedInt i = 0; i < num_input_fields; i++) { 453 // Get input vector 454 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 455 // Check if active input 456 if (vec == CEED_VECTOR_ACTIVE) { 457 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 458 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 459 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &tmp)); 460 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 461 for (CeedInt field = 0; field < size; field++) { 462 q_size = (CeedSize)Q * blk_size; 463 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 464 CeedCallBackend(CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &tmp[field * Q * blk_size])); 465 } 466 num_active_in += size; 467 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &tmp)); 468 } 469 } 470 impl->num_active_in = num_active_in; 471 impl->qf_active_in = active_in; 472 } 473 474 // Count number of active output fields 475 if (!num_active_out) { 476 for (CeedInt i = 0; i < num_output_fields; i++) { 477 // Get output vector 478 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 479 // Check if active output 480 if (vec == CEED_VECTOR_ACTIVE) { 481 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 482 num_active_out += size; 483 } 484 } 485 impl->num_active_out = num_active_out; 486 } 487 488 // Check sizes 489 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 490 491 // Setup Lvec 492 if (!l_vec) { 493 CeedSize l_size = (CeedSize)num_blks * blk_size * Q * num_active_in * num_active_out; 494 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 495 impl->qf_l_vec = l_vec; 496 } 497 CeedCallBackend(CeedVectorGetArrayWrite(l_vec, CEED_MEM_HOST, &a)); 498 499 // Build objects if needed 500 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 501 if (build_objects) { 502 // Create output restriction 503 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed, num_elem, Q, num_active_in * num_active_out, num_active_in * num_active_out * num_elem * Q, 504 strides, rstr)); 505 // Create assembled vector 506 CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 507 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 508 } 509 510 // Loop through elements 511 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 512 // Input basis apply 513 CeedCallBackend(CeedOperatorInputBasis_Blocked(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, true, e_data_full, impl)); 514 515 // Assemble QFunction 516 for (CeedInt in = 0; in < num_active_in; in++) { 517 // Set Inputs 518 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 519 if (num_active_in > 1) { 520 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 521 } 522 // Set Outputs 523 for (CeedInt out = 0; out < num_output_fields; out++) { 524 // Get output vector 525 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 526 // Check if active output 527 if (vec == CEED_VECTOR_ACTIVE) { 528 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, a)); 529 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 530 a += size * Q * blk_size; // Advance the pointer by the size of the output 531 } 532 } 533 // Apply QFunction 534 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 535 } 536 } 537 538 // Un-set output Qvecs to prevent accidental overwrite of Assembled 539 for (CeedInt out = 0; out < num_output_fields; out++) { 540 // Get output vector 541 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 542 // Check if active output 543 if (vec == CEED_VECTOR_ACTIVE) { 544 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 545 } 546 } 547 548 // Restore input arrays 549 CeedCallBackend(CeedOperatorRestoreInputs_Blocked(num_input_fields, qf_input_fields, op_input_fields, true, e_data_full, impl)); 550 551 // Output blocked restriction 552 CeedCallBackend(CeedVectorRestoreArray(l_vec, &a)); 553 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 554 CeedElemRestriction blk_rstr = impl->qf_blk_rstr; 555 if (!impl->qf_blk_rstr) { 556 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, blk_size, num_active_in * num_active_out, 557 num_active_in * num_active_out * num_elem * Q, strides, &blk_rstr)); 558 impl->qf_blk_rstr = blk_rstr; 559 } 560 CeedCallBackend(CeedElemRestrictionApply(blk_rstr, CEED_TRANSPOSE, l_vec, *assembled, request)); 561 562 return CEED_ERROR_SUCCESS; 563 } 564 565 //------------------------------------------------------------------------------ 566 // Assemble Linear QFunction 567 //------------------------------------------------------------------------------ 568 static int CeedOperatorLinearAssembleQFunction_Blocked(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 569 return CeedOperatorLinearAssembleQFunctionCore_Blocked(op, true, assembled, rstr, request); 570 } 571 572 //------------------------------------------------------------------------------ 573 // Update Assembled Linear QFunction 574 //------------------------------------------------------------------------------ 575 static int CeedOperatorLinearAssembleQFunctionUpdate_Blocked(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 576 return CeedOperatorLinearAssembleQFunctionCore_Blocked(op, false, &assembled, &rstr, request); 577 } 578 579 //------------------------------------------------------------------------------ 580 // Operator Destroy 581 //------------------------------------------------------------------------------ 582 static int CeedOperatorDestroy_Blocked(CeedOperator op) { 583 CeedOperator_Blocked *impl; 584 CeedCallBackend(CeedOperatorGetData(op, &impl)); 585 586 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 587 CeedCallBackend(CeedElemRestrictionDestroy(&impl->blk_restr[i])); 588 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 589 } 590 CeedCallBackend(CeedFree(&impl->blk_restr)); 591 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 592 CeedCallBackend(CeedFree(&impl->input_states)); 593 594 for (CeedInt i = 0; i < impl->num_inputs; i++) { 595 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 596 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 597 } 598 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 599 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 600 601 for (CeedInt i = 0; i < impl->num_outputs; i++) { 602 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 603 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 604 } 605 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 606 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 607 608 // QFunction assembly data 609 for (CeedInt i = 0; i < impl->num_active_in; i++) { 610 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 611 } 612 CeedCallBackend(CeedFree(&impl->qf_active_in)); 613 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 614 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_blk_rstr)); 615 616 CeedCallBackend(CeedFree(&impl)); 617 return CEED_ERROR_SUCCESS; 618 } 619 620 //------------------------------------------------------------------------------ 621 // Operator Create 622 //------------------------------------------------------------------------------ 623 int CeedOperatorCreate_Blocked(CeedOperator op) { 624 Ceed ceed; 625 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 626 CeedOperator_Blocked *impl; 627 628 CeedCallBackend(CeedCalloc(1, &impl)); 629 CeedCallBackend(CeedOperatorSetData(op, impl)); 630 631 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Blocked)); 632 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Blocked)); 633 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Blocked)); 634 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Blocked)); 635 return CEED_ERROR_SUCCESS; 636 } 637 638 //------------------------------------------------------------------------------ 639