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/backend.h> 9 #include <ceed/ceed.h> 10 #include <stdbool.h> 11 #include <stdint.h> 12 #include <string.h> 13 14 #include "ceed-opt.h" 15 16 //------------------------------------------------------------------------------ 17 // Setup Input/Output Fields 18 //------------------------------------------------------------------------------ 19 static int CeedOperatorSetupFields_Opt(CeedQFunction qf, CeedOperator op, bool is_input, const CeedInt blk_size, CeedElemRestriction *blk_restr, 20 CeedVector *e_vecs_full, CeedVector *e_vecs, CeedVector *q_vecs, CeedInt start_e, CeedInt num_fields, 21 CeedInt Q) { 22 CeedInt num_comp, size, P; 23 CeedSize e_size, q_size; 24 Ceed ceed; 25 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 26 CeedBasis basis; 27 CeedElemRestriction r; 28 CeedOperatorField *op_fields; 29 CeedQFunctionField *qf_fields; 30 if (is_input) { 31 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 32 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 33 } else { 34 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 35 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 36 } 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 Ceed ceed; 46 CeedCallBackend(CeedElemRestrictionGetCeed(r, &ceed)); 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 54 bool strided; 55 CeedCallBackend(CeedElemRestrictionIsStrided(r, &strided)); 56 if (strided) { 57 CeedInt strides[3]; 58 CeedCallBackend(CeedElemRestrictionGetStrides(r, &strides)); 59 CeedCallBackend( 60 CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, elem_size, blk_size, num_comp, l_size, strides, &blk_restr[i + start_e])); 61 } else { 62 const CeedInt *offsets = NULL; 63 CeedCallBackend(CeedElemRestrictionGetOffsets(r, CEED_MEM_HOST, &offsets)); 64 CeedCallBackend(CeedElemRestrictionGetCompStride(r, &comp_stride)); 65 CeedCallBackend(CeedElemRestrictionCreateBlocked(ceed, num_elem, elem_size, blk_size, num_comp, comp_stride, l_size, CEED_MEM_HOST, 66 CEED_COPY_VALUES, offsets, &blk_restr[i + start_e])); 67 CeedCallBackend(CeedElemRestrictionRestoreOffsets(r, &offsets)); 68 } 69 CeedCallBackend(CeedElemRestrictionCreateVector(blk_restr[i + start_e], NULL, &e_vecs_full[i + start_e])); 70 } 71 72 switch (eval_mode) { 73 case CEED_EVAL_NONE: 74 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 75 e_size = (CeedSize)Q * size * blk_size; 76 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 77 q_size = (CeedSize)Q * size * blk_size; 78 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 79 break; 80 case CEED_EVAL_INTERP: 81 case CEED_EVAL_GRAD: 82 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 83 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 84 CeedCallBackend(CeedBasisGetNumNodes(basis, &P)); 85 CeedCallBackend(CeedBasisGetNumComponents(basis, &num_comp)); 86 e_size = (CeedSize)P * num_comp * blk_size; 87 CeedCallBackend(CeedVectorCreate(ceed, e_size, &e_vecs[i])); 88 q_size = (CeedSize)Q * size * blk_size; 89 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 90 break; 91 case CEED_EVAL_WEIGHT: // Only on input fields 92 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 93 q_size = (CeedSize)Q * blk_size; 94 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 95 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 96 97 break; 98 case CEED_EVAL_DIV: 99 break; // Not implemented 100 case CEED_EVAL_CURL: 101 break; // Not implemented 102 } 103 if (is_input && !!e_vecs[i]) { 104 CeedCallBackend(CeedVectorSetArray(e_vecs[i], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 105 } 106 } 107 return CEED_ERROR_SUCCESS; 108 } 109 110 //------------------------------------------------------------------------------ 111 // Setup Operator 112 //------------------------------------------------------------------------------ 113 static int CeedOperatorSetup_Opt(CeedOperator op) { 114 bool is_setup_done; 115 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 116 if (is_setup_done) return CEED_ERROR_SUCCESS; 117 Ceed ceed; 118 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 119 Ceed_Opt *ceed_impl; 120 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 121 const CeedInt blk_size = ceed_impl->blk_size; 122 CeedOperator_Opt *impl; 123 CeedCallBackend(CeedOperatorGetData(op, &impl)); 124 CeedQFunction qf; 125 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 126 CeedInt Q, num_input_fields, num_output_fields; 127 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 128 CeedCallBackend(CeedQFunctionIsIdentity(qf, &impl->is_identity_qf)); 129 CeedOperatorField *op_input_fields, *op_output_fields; 130 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 131 CeedQFunctionField *qf_input_fields, *qf_output_fields; 132 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 133 134 // Allocate 135 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->blk_restr)); 136 CeedCallBackend(CeedCalloc(num_input_fields + num_output_fields, &impl->e_vecs_full)); 137 138 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->input_states)); 139 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_in)); 140 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->e_vecs_out)); 141 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_in)); 142 CeedCallBackend(CeedCalloc(CEED_FIELD_MAX, &impl->q_vecs_out)); 143 144 impl->num_inputs = num_input_fields; 145 impl->num_outputs = num_output_fields; 146 147 // Set up infield and outfield pointer arrays 148 // Infields 149 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, true, blk_size, impl->blk_restr, impl->e_vecs_full, impl->e_vecs_in, impl->q_vecs_in, 0, 150 num_input_fields, Q)); 151 // Outfields 152 CeedCallBackend(CeedOperatorSetupFields_Opt(qf, op, false, blk_size, impl->blk_restr, impl->e_vecs_full, impl->e_vecs_out, impl->q_vecs_out, 153 num_input_fields, num_output_fields, Q)); 154 155 // Identity QFunctions 156 if (impl->is_identity_qf) { 157 CeedEvalMode in_mode, out_mode; 158 CeedQFunctionField *in_fields, *out_fields; 159 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &in_fields, NULL, &out_fields)); 160 CeedCallBackend(CeedQFunctionFieldGetEvalMode(in_fields[0], &in_mode)); 161 CeedCallBackend(CeedQFunctionFieldGetEvalMode(out_fields[0], &out_mode)); 162 163 if (in_mode == CEED_EVAL_NONE && out_mode == CEED_EVAL_NONE) { 164 impl->is_identity_restr_op = true; 165 } else { 166 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[0])); 167 impl->q_vecs_out[0] = impl->q_vecs_in[0]; 168 CeedCallBackend(CeedVectorAddReference(impl->q_vecs_in[0])); 169 } 170 } 171 172 CeedCallBackend(CeedOperatorSetSetupDone(op)); 173 174 return CEED_ERROR_SUCCESS; 175 } 176 177 //------------------------------------------------------------------------------ 178 // Setup Input Fields 179 //------------------------------------------------------------------------------ 180 static inline int CeedOperatorSetupInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 181 CeedVector in_vec, CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, 182 CeedRequest *request) { 183 CeedEvalMode eval_mode; 184 CeedVector vec; 185 uint64_t state; 186 187 for (CeedInt i = 0; i < num_input_fields; i++) { 188 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 189 if (eval_mode == CEED_EVAL_WEIGHT) { // Skip 190 } else { 191 // Get input vector 192 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 193 if (vec != CEED_VECTOR_ACTIVE) { 194 // Restrict 195 CeedCallBackend(CeedVectorGetState(vec, &state)); 196 if (state != impl->input_states[i]) { 197 CeedCallBackend(CeedElemRestrictionApply(impl->blk_restr[i], CEED_NOTRANSPOSE, vec, impl->e_vecs_full[i], request)); 198 impl->input_states[i] = state; 199 } 200 // Get evec 201 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_full[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 202 } else { 203 // Set Qvec for CEED_EVAL_NONE 204 if (eval_mode == CEED_EVAL_NONE) { 205 CeedCallBackend(CeedVectorGetArrayRead(impl->e_vecs_in[i], CEED_MEM_HOST, (const CeedScalar **)&e_data[i])); 206 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i])); 207 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_in[i], (const CeedScalar **)&e_data[i])); 208 } 209 } 210 } 211 } 212 return CEED_ERROR_SUCCESS; 213 } 214 215 //------------------------------------------------------------------------------ 216 // Input Basis Action 217 //------------------------------------------------------------------------------ 218 static inline int CeedOperatorInputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 219 CeedInt num_input_fields, CeedInt blk_size, CeedVector in_vec, bool skip_active, 220 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl, CeedRequest *request) { 221 CeedInt dim, elem_size, size; 222 CeedElemRestriction elem_restr; 223 CeedEvalMode eval_mode; 224 CeedBasis basis; 225 CeedVector vec; 226 227 for (CeedInt i = 0; i < num_input_fields; i++) { 228 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 229 // Skip active input 230 if (skip_active) { 231 if (vec == CEED_VECTOR_ACTIVE) continue; 232 } 233 234 CeedInt active_in = 0; 235 // Get elem_size, eval_mode, size 236 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_restr)); 237 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_restr, &elem_size)); 238 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 239 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 240 // Restrict block active input 241 if (vec == CEED_VECTOR_ACTIVE) { 242 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[i], e / blk_size, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[i], request)); 243 active_in = 1; 244 } 245 // Basis action 246 switch (eval_mode) { 247 case CEED_EVAL_NONE: 248 if (!active_in) { 249 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * Q * size])); 250 } 251 break; 252 case CEED_EVAL_INTERP: 253 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 254 if (!active_in) { 255 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * elem_size * size])); 256 } 257 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, CEED_EVAL_INTERP, impl->e_vecs_in[i], impl->q_vecs_in[i])); 258 break; 259 case CEED_EVAL_GRAD: 260 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 261 if (!active_in) { 262 CeedCallBackend(CeedBasisGetDimension(basis, &dim)); 263 CeedCallBackend(CeedVectorSetArray(impl->e_vecs_in[i], CEED_MEM_HOST, CEED_USE_POINTER, &e_data[i][e * elem_size * size / dim])); 264 } 265 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_NOTRANSPOSE, CEED_EVAL_GRAD, impl->e_vecs_in[i], impl->q_vecs_in[i])); 266 break; 267 case CEED_EVAL_WEIGHT: 268 break; // No action 269 // LCOV_EXCL_START 270 case CEED_EVAL_DIV: 271 case CEED_EVAL_CURL: { 272 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 273 Ceed ceed; 274 CeedCallBackend(CeedBasisGetCeed(basis, &ceed)); 275 return CeedError(ceed, CEED_ERROR_BACKEND, "Ceed evaluation mode not implemented"); 276 // LCOV_EXCL_STOP 277 } 278 } 279 } 280 return CEED_ERROR_SUCCESS; 281 } 282 283 //------------------------------------------------------------------------------ 284 // Output Basis Action 285 //------------------------------------------------------------------------------ 286 static inline int CeedOperatorOutputBasis_Opt(CeedInt e, CeedInt Q, CeedQFunctionField *qf_output_fields, CeedOperatorField *op_output_fields, 287 CeedInt blk_size, CeedInt num_input_fields, CeedInt num_output_fields, CeedOperator op, 288 CeedVector out_vec, CeedOperator_Opt *impl, CeedRequest *request) { 289 CeedElemRestriction elem_restr; 290 CeedEvalMode eval_mode; 291 CeedBasis basis; 292 CeedVector vec; 293 294 for (CeedInt i = 0; i < num_output_fields; i++) { 295 // Get elem_size, eval_mode, size 296 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &elem_restr)); 297 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 298 // Basis action 299 switch (eval_mode) { 300 case CEED_EVAL_NONE: 301 break; // No action 302 case CEED_EVAL_INTERP: 303 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 304 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_TRANSPOSE, CEED_EVAL_INTERP, impl->q_vecs_out[i], impl->e_vecs_out[i])); 305 break; 306 case CEED_EVAL_GRAD: 307 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[i], &basis)); 308 CeedCallBackend(CeedBasisApply(basis, blk_size, CEED_TRANSPOSE, CEED_EVAL_GRAD, impl->q_vecs_out[i], impl->e_vecs_out[i])); 309 break; 310 // LCOV_EXCL_START 311 case CEED_EVAL_WEIGHT: { 312 Ceed ceed; 313 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 314 return CeedError(ceed, CEED_ERROR_BACKEND, 315 "CEED_EVAL_WEIGHT cannot be an output " 316 "evaluation mode"); 317 } 318 case CEED_EVAL_DIV: 319 case CEED_EVAL_CURL: { 320 Ceed ceed; 321 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 322 return CeedError(ceed, CEED_ERROR_BACKEND, "Ceed evaluation mode not implemented"); 323 // LCOV_EXCL_STOP 324 } 325 } 326 // Restrict output block 327 // Get output vector 328 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 329 if (vec == CEED_VECTOR_ACTIVE) vec = out_vec; 330 // Restrict 331 CeedCallBackend( 332 CeedElemRestrictionApplyBlock(impl->blk_restr[i + impl->num_inputs], e / blk_size, CEED_TRANSPOSE, impl->e_vecs_out[i], vec, request)); 333 } 334 return CEED_ERROR_SUCCESS; 335 } 336 337 //------------------------------------------------------------------------------ 338 // Restore Input Vectors 339 //------------------------------------------------------------------------------ 340 static inline int CeedOperatorRestoreInputs_Opt(CeedInt num_input_fields, CeedQFunctionField *qf_input_fields, CeedOperatorField *op_input_fields, 341 CeedScalar *e_data[2 * CEED_FIELD_MAX], CeedOperator_Opt *impl) { 342 for (CeedInt i = 0; i < num_input_fields; i++) { 343 CeedEvalMode eval_mode; 344 CeedVector vec; 345 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 346 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 347 if (eval_mode != CEED_EVAL_WEIGHT && vec != CEED_VECTOR_ACTIVE) { 348 CeedCallBackend(CeedVectorRestoreArrayRead(impl->e_vecs_full[i], (const CeedScalar **)&e_data[i])); 349 } 350 } 351 return CEED_ERROR_SUCCESS; 352 } 353 354 //------------------------------------------------------------------------------ 355 // Operator Apply 356 //------------------------------------------------------------------------------ 357 static int CeedOperatorApplyAdd_Opt(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 358 Ceed ceed; 359 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 360 Ceed_Opt *ceed_impl; 361 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 362 CeedInt blk_size = ceed_impl->blk_size; 363 CeedOperator_Opt *impl; 364 CeedCallBackend(CeedOperatorGetData(op, &impl)); 365 CeedInt Q, num_input_fields, num_output_fields, num_elem; 366 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 367 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 368 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 369 CeedQFunction qf; 370 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 371 CeedOperatorField *op_input_fields, *op_output_fields; 372 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 373 CeedQFunctionField *qf_input_fields, *qf_output_fields; 374 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 375 CeedEvalMode eval_mode; 376 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 377 378 // Setup 379 CeedCallBackend(CeedOperatorSetup_Opt(op)); 380 381 // Restriction only operator 382 if (impl->is_identity_restr_op) { 383 for (CeedInt b = 0; b < num_blks; b++) { 384 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[0], b, CEED_NOTRANSPOSE, in_vec, impl->e_vecs_in[0], request)); 385 CeedCallBackend(CeedElemRestrictionApplyBlock(impl->blk_restr[1], b, CEED_TRANSPOSE, impl->e_vecs_in[0], out_vec, request)); 386 } 387 return CEED_ERROR_SUCCESS; 388 } 389 390 // Input Evecs and Restriction 391 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, in_vec, e_data, impl, request)); 392 393 // Output Lvecs, Evecs, and Qvecs 394 for (CeedInt i = 0; i < num_output_fields; i++) { 395 // Set Qvec if needed 396 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 397 if (eval_mode == CEED_EVAL_NONE) { 398 // Set qvec to single block evec 399 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_HOST, &e_data[i + num_input_fields])); 400 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_HOST, CEED_USE_POINTER, e_data[i + num_input_fields])); 401 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_out[i], &e_data[i + num_input_fields])); 402 } 403 } 404 405 // Loop through elements 406 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 407 // Input basis apply 408 CeedCallBackend( 409 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, in_vec, false, e_data, impl, request)); 410 411 // Q function 412 if (!impl->is_identity_qf) { 413 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 414 } 415 416 // Output basis apply and restrict 417 CeedCallBackend(CeedOperatorOutputBasis_Opt(e, Q, qf_output_fields, op_output_fields, blk_size, num_input_fields, num_output_fields, op, out_vec, 418 impl, request)); 419 } 420 421 // Restore input arrays 422 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 423 424 return CEED_ERROR_SUCCESS; 425 } 426 427 //------------------------------------------------------------------------------ 428 // Core code for linear QFunction assembly 429 //------------------------------------------------------------------------------ 430 static inline int CeedOperatorLinearAssembleQFunctionCore_Opt(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 431 CeedRequest *request) { 432 Ceed ceed; 433 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 434 Ceed_Opt *ceed_impl; 435 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 436 const CeedInt blk_size = ceed_impl->blk_size; 437 CeedSize q_size; 438 CeedOperator_Opt *impl; 439 CeedCallBackend(CeedOperatorGetData(op, &impl)); 440 CeedInt Q, num_input_fields, num_output_fields, num_elem, size; 441 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 442 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 443 CeedInt num_blks = (num_elem / blk_size) + !!(num_elem % blk_size); 444 CeedQFunction qf; 445 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 446 CeedOperatorField *op_input_fields, *op_output_fields; 447 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 448 CeedQFunctionField *qf_input_fields, *qf_output_fields; 449 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 450 CeedVector vec, l_vec = impl->qf_l_vec; 451 CeedInt num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 452 CeedVector *active_in = impl->qf_active_in; 453 CeedScalar *a, *tmp; 454 CeedScalar *e_data[2 * CEED_FIELD_MAX] = {0}; 455 456 // Setup 457 CeedCallBackend(CeedOperatorSetup_Opt(op)); 458 459 // Check for identity 460 if (impl->is_identity_qf) { 461 // LCOV_EXCL_START 462 return CeedError(ceed, CEED_ERROR_BACKEND, "Assembling identity qfunctions not supported"); 463 // LCOV_EXCL_STOP 464 } 465 466 // Input Evecs and Restriction 467 CeedCallBackend(CeedOperatorSetupInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, NULL, e_data, impl, request)); 468 469 // Count number of active input fields 470 if (!num_active_in) { 471 for (CeedInt i = 0; i < num_input_fields; i++) { 472 // Get input vector 473 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec)); 474 // Check if active input 475 if (vec == CEED_VECTOR_ACTIVE) { 476 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 477 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 478 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_HOST, &tmp)); 479 CeedCallBackend(CeedRealloc(num_active_in + size, &active_in)); 480 for (CeedInt field = 0; field < size; field++) { 481 q_size = (CeedSize)Q * blk_size; 482 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_in[num_active_in + field])); 483 CeedCallBackend(CeedVectorSetArray(active_in[num_active_in + field], CEED_MEM_HOST, CEED_USE_POINTER, &tmp[field * Q * blk_size])); 484 } 485 num_active_in += size; 486 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &tmp)); 487 } 488 } 489 impl->num_active_in = num_active_in; 490 impl->qf_active_in = active_in; 491 } 492 493 // Count number of active output fields 494 if (!num_active_out) { 495 for (CeedInt i = 0; i < num_output_fields; i++) { 496 // Get output vector 497 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec)); 498 // Check if active output 499 if (vec == CEED_VECTOR_ACTIVE) { 500 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 501 num_active_out += size; 502 } 503 } 504 impl->num_active_out = num_active_out; 505 } 506 507 // Check sizes 508 if (!num_active_in || !num_active_out) { 509 // LCOV_EXCL_START 510 return CeedError(ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 511 // LCOV_EXCL_STOP 512 } 513 514 // Setup l_vec 515 if (!l_vec) { 516 CeedSize l_size = (CeedSize)blk_size * Q * num_active_in * num_active_out; 517 CeedCallBackend(CeedVectorCreate(ceed, l_size, &l_vec)); 518 CeedCallBackend(CeedVectorSetValue(l_vec, 0.0)); 519 impl->qf_l_vec = l_vec; 520 } 521 522 // Build objects if needed 523 CeedInt strides[3] = {1, Q, num_active_in * num_active_out * Q}; 524 if (build_objects) { 525 // Create output restriction 526 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed, num_elem, Q, num_active_in * num_active_out, num_active_in * num_active_out * num_elem * Q, 527 strides, rstr)); 528 // Create assembled vector 529 CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 530 CeedCallBackend(CeedVectorCreate(ceed, l_size, assembled)); 531 } 532 533 // Output blocked restriction 534 CeedElemRestriction blk_rstr = impl->qf_blk_rstr; 535 if (!blk_rstr) { 536 CeedCallBackend(CeedElemRestrictionCreateBlockedStrided(ceed, num_elem, Q, blk_size, num_active_in * num_active_out, 537 num_active_in * num_active_out * num_elem * Q, strides, &blk_rstr)); 538 impl->qf_blk_rstr = blk_rstr; 539 } 540 541 // Loop through elements 542 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 543 for (CeedInt e = 0; e < num_blks * blk_size; e += blk_size) { 544 CeedCallBackend(CeedVectorGetArray(l_vec, CEED_MEM_HOST, &a)); 545 546 // Input basis apply 547 CeedCallBackend( 548 CeedOperatorInputBasis_Opt(e, Q, qf_input_fields, op_input_fields, num_input_fields, blk_size, NULL, true, e_data, impl, request)); 549 550 // Assemble QFunction 551 for (CeedInt in = 0; in < num_active_in; in++) { 552 // Set Inputs 553 CeedCallBackend(CeedVectorSetValue(active_in[in], 1.0)); 554 if (num_active_in > 1) { 555 CeedCallBackend(CeedVectorSetValue(active_in[(in + num_active_in - 1) % num_active_in], 0.0)); 556 } 557 // Set Outputs 558 for (CeedInt out = 0; out < num_output_fields; out++) { 559 // Get output vector 560 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 561 // Check if active output 562 if (vec == CEED_VECTOR_ACTIVE) { 563 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_USE_POINTER, a)); 564 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 565 a += size * Q * blk_size; // Advance the pointer by the size of the output 566 } 567 } 568 // Apply QFunction 569 CeedCallBackend(CeedQFunctionApply(qf, Q * blk_size, impl->q_vecs_in, impl->q_vecs_out)); 570 } 571 572 // Assemble into assembled vector 573 CeedCallBackend(CeedVectorRestoreArray(l_vec, &a)); 574 CeedCallBackend(CeedElemRestrictionApplyBlock(blk_rstr, e / blk_size, CEED_TRANSPOSE, l_vec, *assembled, request)); 575 } 576 577 // Un-set output Qvecs to prevent accidental overwrite of Assembled 578 for (CeedInt out = 0; out < num_output_fields; out++) { 579 // Get output vector 580 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &vec)); 581 // Check if active output 582 if (vec == CEED_VECTOR_ACTIVE) { 583 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_HOST, CEED_COPY_VALUES, NULL)); 584 } 585 } 586 587 // Restore input arrays 588 CeedCallBackend(CeedOperatorRestoreInputs_Opt(num_input_fields, qf_input_fields, op_input_fields, e_data, impl)); 589 590 return CEED_ERROR_SUCCESS; 591 } 592 593 //------------------------------------------------------------------------------ 594 // Assemble Linear QFunction 595 //------------------------------------------------------------------------------ 596 static int CeedOperatorLinearAssembleQFunction_Opt(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 597 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, true, assembled, rstr, request); 598 } 599 600 //------------------------------------------------------------------------------ 601 // Update Assembled Linear QFunction 602 //------------------------------------------------------------------------------ 603 static int CeedOperatorLinearAssembleQFunctionUpdate_Opt(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 604 return CeedOperatorLinearAssembleQFunctionCore_Opt(op, false, &assembled, &rstr, request); 605 } 606 607 //------------------------------------------------------------------------------ 608 // Operator Destroy 609 //------------------------------------------------------------------------------ 610 static int CeedOperatorDestroy_Opt(CeedOperator op) { 611 CeedOperator_Opt *impl; 612 CeedCallBackend(CeedOperatorGetData(op, &impl)); 613 614 for (CeedInt i = 0; i < impl->num_inputs + impl->num_outputs; i++) { 615 CeedCallBackend(CeedElemRestrictionDestroy(&impl->blk_restr[i])); 616 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_full[i])); 617 } 618 CeedCallBackend(CeedFree(&impl->blk_restr)); 619 CeedCallBackend(CeedFree(&impl->e_vecs_full)); 620 CeedCallBackend(CeedFree(&impl->input_states)); 621 622 for (CeedInt i = 0; i < impl->num_inputs; i++) { 623 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 624 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 625 } 626 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 627 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 628 629 for (CeedInt i = 0; i < impl->num_outputs; i++) { 630 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 631 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 632 } 633 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 634 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 635 636 // QFunction assembly data 637 for (CeedInt i = 0; i < impl->num_active_in; i++) { 638 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 639 } 640 CeedCallBackend(CeedFree(&impl->qf_active_in)); 641 CeedCallBackend(CeedVectorDestroy(&impl->qf_l_vec)); 642 CeedCallBackend(CeedElemRestrictionDestroy(&impl->qf_blk_rstr)); 643 644 CeedCallBackend(CeedFree(&impl)); 645 return CEED_ERROR_SUCCESS; 646 } 647 648 //------------------------------------------------------------------------------ 649 // Operator Create 650 //------------------------------------------------------------------------------ 651 int CeedOperatorCreate_Opt(CeedOperator op) { 652 Ceed ceed; 653 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 654 Ceed_Opt *ceed_impl; 655 CeedCallBackend(CeedGetData(ceed, &ceed_impl)); 656 CeedInt blk_size = ceed_impl->blk_size; 657 CeedOperator_Opt *impl; 658 659 CeedCallBackend(CeedCalloc(1, &impl)); 660 CeedCallBackend(CeedOperatorSetData(op, impl)); 661 662 if (blk_size != 1 && blk_size != 8) { 663 // LCOV_EXCL_START 664 return CeedError(ceed, CEED_ERROR_BACKEND, "Opt backend cannot use blocksize: %" CeedInt_FMT, blk_size); 665 // LCOV_EXCL_STOP 666 } 667 668 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Opt)); 669 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Opt)); 670 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Opt)); 671 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Opt)); 672 return CEED_ERROR_SUCCESS; 673 } 674 //------------------------------------------------------------------------------ 675