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