1 // Copyright (c) 2017-2025, 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 <ceed/jit-tools.h> 11 #include <assert.h> 12 #include <cuda.h> 13 #include <cuda_runtime.h> 14 #include <stdbool.h> 15 #include <string.h> 16 17 #include "../cuda/ceed-cuda-common.h" 18 #include "../cuda/ceed-cuda-compile.h" 19 #include "ceed-cuda-ref.h" 20 21 //------------------------------------------------------------------------------ 22 // Destroy operator 23 //------------------------------------------------------------------------------ 24 static int CeedOperatorDestroy_Cuda(CeedOperator op) { 25 CeedOperator_Cuda *impl; 26 27 CeedCallBackend(CeedOperatorGetData(op, &impl)); 28 29 // Apply data 30 CeedCallBackend(CeedFree(&impl->num_points)); 31 CeedCallBackend(CeedFree(&impl->skip_rstr_in)); 32 CeedCallBackend(CeedFree(&impl->skip_rstr_out)); 33 CeedCallBackend(CeedFree(&impl->apply_add_basis_out)); 34 CeedCallBackend(CeedFree(&impl->input_field_order)); 35 CeedCallBackend(CeedFree(&impl->output_field_order)); 36 CeedCallBackend(CeedFree(&impl->input_states)); 37 38 for (CeedInt i = 0; i < impl->num_inputs; i++) { 39 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 40 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 41 } 42 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 43 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 44 45 for (CeedInt i = 0; i < impl->num_outputs; i++) { 46 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 47 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 48 } 49 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 50 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 51 CeedCallBackend(CeedVectorDestroy(&impl->point_coords_elem)); 52 53 // QFunction assembly data 54 for (CeedInt i = 0; i < impl->num_active_in; i++) { 55 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 56 } 57 CeedCallBackend(CeedFree(&impl->qf_active_in)); 58 59 // Diag data 60 if (impl->diag) { 61 Ceed ceed; 62 63 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 64 if (impl->diag->module) { 65 CeedCallCuda(ceed, cuModuleUnload(impl->diag->module)); 66 } 67 if (impl->diag->module_point_block) { 68 CeedCallCuda(ceed, cuModuleUnload(impl->diag->module_point_block)); 69 } 70 CeedCallCuda(ceed, cudaFree(impl->diag->d_eval_modes_in)); 71 CeedCallCuda(ceed, cudaFree(impl->diag->d_eval_modes_out)); 72 CeedCallCuda(ceed, cudaFree(impl->diag->d_identity)); 73 CeedCallCuda(ceed, cudaFree(impl->diag->d_interp_in)); 74 CeedCallCuda(ceed, cudaFree(impl->diag->d_interp_out)); 75 CeedCallCuda(ceed, cudaFree(impl->diag->d_grad_in)); 76 CeedCallCuda(ceed, cudaFree(impl->diag->d_grad_out)); 77 CeedCallCuda(ceed, cudaFree(impl->diag->d_div_in)); 78 CeedCallCuda(ceed, cudaFree(impl->diag->d_div_out)); 79 CeedCallCuda(ceed, cudaFree(impl->diag->d_curl_in)); 80 CeedCallCuda(ceed, cudaFree(impl->diag->d_curl_out)); 81 CeedCallBackend(CeedDestroy(&ceed)); 82 CeedCallBackend(CeedVectorDestroy(&impl->diag->elem_diag)); 83 CeedCallBackend(CeedVectorDestroy(&impl->diag->point_block_elem_diag)); 84 CeedCallBackend(CeedElemRestrictionDestroy(&impl->diag->diag_rstr)); 85 CeedCallBackend(CeedElemRestrictionDestroy(&impl->diag->point_block_diag_rstr)); 86 } 87 CeedCallBackend(CeedFree(&impl->diag)); 88 89 if (impl->asmb) { 90 Ceed ceed; 91 92 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 93 CeedCallCuda(ceed, cuModuleUnload(impl->asmb->module)); 94 CeedCallCuda(ceed, cudaFree(impl->asmb->d_B_in)); 95 CeedCallCuda(ceed, cudaFree(impl->asmb->d_B_out)); 96 CeedCallBackend(CeedDestroy(&ceed)); 97 } 98 CeedCallBackend(CeedFree(&impl->asmb)); 99 100 CeedCallBackend(CeedFree(&impl)); 101 return CEED_ERROR_SUCCESS; 102 } 103 104 //------------------------------------------------------------------------------ 105 // Setup infields or outfields 106 //------------------------------------------------------------------------------ 107 static int CeedOperatorSetupFields_Cuda(CeedQFunction qf, CeedOperator op, bool is_input, bool is_at_points, bool *skip_rstr, bool *apply_add_basis, 108 CeedVector *e_vecs, CeedVector *q_vecs, CeedInt num_fields, CeedInt Q, CeedInt num_elem) { 109 Ceed ceed; 110 CeedQFunctionField *qf_fields; 111 CeedOperatorField *op_fields; 112 113 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 114 if (is_input) { 115 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 116 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 117 } else { 118 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 119 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 120 } 121 122 // Loop over fields 123 for (CeedInt i = 0; i < num_fields; i++) { 124 bool is_active = false, is_strided = false, skip_e_vec = false; 125 CeedSize q_size; 126 CeedInt size; 127 CeedEvalMode eval_mode; 128 CeedVector l_vec; 129 CeedElemRestriction elem_rstr; 130 131 // Check whether this field can skip the element restriction: 132 // Input CEED_VECTOR_ACTIVE 133 // Output CEED_VECTOR_ACTIVE without CEED_EVAL_NONE 134 // Input CEED_VECTOR_NONE with CEED_EVAL_WEIGHT 135 // Input passive vector with CEED_EVAL_NONE and strided restriction with CEED_STRIDES_BACKEND 136 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &l_vec)); 137 is_active = l_vec == CEED_VECTOR_ACTIVE; 138 CeedCallBackend(CeedVectorDestroy(&l_vec)); 139 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &elem_rstr)); 140 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 141 skip_e_vec = (is_input && is_active) || (is_active && eval_mode != CEED_EVAL_NONE) || (eval_mode == CEED_EVAL_WEIGHT); 142 if (!skip_e_vec && is_input && !is_active && eval_mode == CEED_EVAL_NONE) { 143 CeedCallBackend(CeedElemRestrictionIsStrided(elem_rstr, &is_strided)); 144 if (is_strided) CeedCallBackend(CeedElemRestrictionHasBackendStrides(elem_rstr, &skip_e_vec)); 145 } 146 if (skip_e_vec) { 147 e_vecs[i] = NULL; 148 } else { 149 CeedCallBackend(CeedElemRestrictionCreateVector(elem_rstr, NULL, &e_vecs[i])); 150 } 151 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 152 153 switch (eval_mode) { 154 case CEED_EVAL_NONE: 155 case CEED_EVAL_INTERP: 156 case CEED_EVAL_GRAD: 157 case CEED_EVAL_DIV: 158 case CEED_EVAL_CURL: 159 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 160 q_size = (CeedSize)num_elem * (CeedSize)Q * (CeedSize)size; 161 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 162 break; 163 case CEED_EVAL_WEIGHT: { 164 CeedBasis basis; 165 166 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 167 q_size = (CeedSize)num_elem * (CeedSize)Q; 168 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 169 if (is_at_points) { 170 CeedInt num_points[num_elem]; 171 172 for (CeedInt i = 0; i < num_elem; i++) num_points[i] = Q; 173 CeedCallBackend( 174 CeedBasisApplyAtPoints(basis, num_elem, num_points, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, CEED_VECTOR_NONE, q_vecs[i])); 175 } else { 176 CeedCallBackend(CeedBasisApply(basis, num_elem, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 177 } 178 CeedCallBackend(CeedBasisDestroy(&basis)); 179 break; 180 } 181 } 182 } 183 // Drop duplicate restrictions 184 if (is_input) { 185 for (CeedInt i = 0; i < num_fields; i++) { 186 CeedVector vec_i; 187 CeedElemRestriction rstr_i; 188 189 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec_i)); 190 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr_i)); 191 for (CeedInt j = i + 1; j < num_fields; j++) { 192 CeedVector vec_j; 193 CeedElemRestriction rstr_j; 194 195 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[j], &vec_j)); 196 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[j], &rstr_j)); 197 if (vec_i == vec_j && rstr_i == rstr_j) { 198 if (e_vecs[i]) CeedCallBackend(CeedVectorReferenceCopy(e_vecs[i], &e_vecs[j])); 199 skip_rstr[j] = true; 200 } 201 CeedCallBackend(CeedVectorDestroy(&vec_j)); 202 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 203 } 204 CeedCallBackend(CeedVectorDestroy(&vec_i)); 205 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 206 } 207 } else { 208 for (CeedInt i = num_fields - 1; i >= 0; i--) { 209 CeedVector vec_i; 210 CeedElemRestriction rstr_i; 211 212 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec_i)); 213 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr_i)); 214 for (CeedInt j = i - 1; j >= 0; j--) { 215 CeedVector vec_j; 216 CeedElemRestriction rstr_j; 217 218 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[j], &vec_j)); 219 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[j], &rstr_j)); 220 if (vec_i == vec_j && rstr_i == rstr_j) { 221 if (e_vecs[i]) CeedCallBackend(CeedVectorReferenceCopy(e_vecs[i], &e_vecs[j])); 222 skip_rstr[j] = true; 223 apply_add_basis[i] = true; 224 } 225 CeedCallBackend(CeedVectorDestroy(&vec_j)); 226 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 227 } 228 CeedCallBackend(CeedVectorDestroy(&vec_i)); 229 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 230 } 231 } 232 CeedCallBackend(CeedDestroy(&ceed)); 233 return CEED_ERROR_SUCCESS; 234 } 235 236 //------------------------------------------------------------------------------ 237 // CeedOperator needs to connect all the named fields (be they active or passive) to the named inputs and outputs of its CeedQFunction. 238 //------------------------------------------------------------------------------ 239 static int CeedOperatorSetup_Cuda(CeedOperator op) { 240 bool is_setup_done; 241 CeedInt Q, num_elem, num_input_fields, num_output_fields; 242 CeedQFunctionField *qf_input_fields, *qf_output_fields; 243 CeedQFunction qf; 244 CeedOperatorField *op_input_fields, *op_output_fields; 245 CeedOperator_Cuda *impl; 246 247 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 248 if (is_setup_done) return CEED_ERROR_SUCCESS; 249 250 CeedCallBackend(CeedOperatorGetData(op, &impl)); 251 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 252 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 253 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 254 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 255 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 256 257 // Allocate 258 CeedCallBackend(CeedCalloc(num_input_fields, &impl->e_vecs_in)); 259 CeedCallBackend(CeedCalloc(num_output_fields, &impl->e_vecs_out)); 260 CeedCallBackend(CeedCalloc(num_input_fields, &impl->skip_rstr_in)); 261 CeedCallBackend(CeedCalloc(num_output_fields, &impl->skip_rstr_out)); 262 CeedCallBackend(CeedCalloc(num_output_fields, &impl->apply_add_basis_out)); 263 CeedCallBackend(CeedCalloc(num_input_fields, &impl->input_field_order)); 264 CeedCallBackend(CeedCalloc(num_output_fields, &impl->output_field_order)); 265 CeedCallBackend(CeedCalloc(num_input_fields, &impl->input_states)); 266 CeedCallBackend(CeedCalloc(num_input_fields, &impl->q_vecs_in)); 267 CeedCallBackend(CeedCalloc(num_output_fields, &impl->q_vecs_out)); 268 impl->num_inputs = num_input_fields; 269 impl->num_outputs = num_output_fields; 270 271 // Set up infield and outfield e-vecs and q-vecs 272 CeedCallBackend( 273 CeedOperatorSetupFields_Cuda(qf, op, true, false, impl->skip_rstr_in, NULL, impl->e_vecs_in, impl->q_vecs_in, num_input_fields, Q, num_elem)); 274 CeedCallBackend(CeedOperatorSetupFields_Cuda(qf, op, false, false, impl->skip_rstr_out, impl->apply_add_basis_out, impl->e_vecs_out, 275 impl->q_vecs_out, num_output_fields, Q, num_elem)); 276 277 // Reorder fields to allow reuse of buffers 278 impl->max_active_e_vec_len = 0; 279 { 280 bool is_ordered[CEED_FIELD_MAX]; 281 CeedInt curr_index = 0; 282 283 for (CeedInt i = 0; i < num_input_fields; i++) is_ordered[i] = false; 284 for (CeedInt i = 0; i < num_input_fields; i++) { 285 CeedSize e_vec_len_i; 286 CeedVector vec_i; 287 CeedElemRestriction rstr_i; 288 289 if (is_ordered[i]) continue; 290 is_ordered[i] = true; 291 impl->input_field_order[curr_index] = i; 292 curr_index++; 293 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec_i)); 294 if (vec_i == CEED_VECTOR_NONE) { 295 // CEED_EVAL_WEIGHT 296 CeedCallBackend(CeedVectorDestroy(&vec_i)); 297 continue; 298 }; 299 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &rstr_i)); 300 CeedCallBackend(CeedElemRestrictionGetEVectorSize(rstr_i, &e_vec_len_i)); 301 impl->max_active_e_vec_len = e_vec_len_i > impl->max_active_e_vec_len ? e_vec_len_i : impl->max_active_e_vec_len; 302 for (CeedInt j = i + 1; j < num_input_fields; j++) { 303 CeedVector vec_j; 304 CeedElemRestriction rstr_j; 305 306 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[j], &vec_j)); 307 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[j], &rstr_j)); 308 if (rstr_i == rstr_j && vec_i == vec_j) { 309 is_ordered[j] = true; 310 impl->input_field_order[curr_index] = j; 311 curr_index++; 312 } 313 CeedCallBackend(CeedVectorDestroy(&vec_j)); 314 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 315 } 316 CeedCallBackend(CeedVectorDestroy(&vec_i)); 317 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 318 } 319 } 320 { 321 bool is_ordered[CEED_FIELD_MAX]; 322 CeedInt curr_index = 0; 323 324 for (CeedInt i = 0; i < num_output_fields; i++) is_ordered[i] = false; 325 for (CeedInt i = 0; i < num_output_fields; i++) { 326 CeedSize e_vec_len_i; 327 CeedVector vec_i; 328 CeedElemRestriction rstr_i; 329 330 if (is_ordered[i]) continue; 331 is_ordered[i] = true; 332 impl->output_field_order[curr_index] = i; 333 curr_index++; 334 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec_i)); 335 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &rstr_i)); 336 CeedCallBackend(CeedElemRestrictionGetEVectorSize(rstr_i, &e_vec_len_i)); 337 impl->max_active_e_vec_len = e_vec_len_i > impl->max_active_e_vec_len ? e_vec_len_i : impl->max_active_e_vec_len; 338 for (CeedInt j = i + 1; j < num_output_fields; j++) { 339 CeedVector vec_j; 340 CeedElemRestriction rstr_j; 341 342 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[j], &vec_j)); 343 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[j], &rstr_j)); 344 if (rstr_i == rstr_j && vec_i == vec_j) { 345 is_ordered[j] = true; 346 impl->output_field_order[curr_index] = j; 347 curr_index++; 348 } 349 CeedCallBackend(CeedVectorDestroy(&vec_j)); 350 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 351 } 352 CeedCallBackend(CeedVectorDestroy(&vec_i)); 353 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 354 } 355 } 356 CeedCallBackend(CeedOperatorSetSetupDone(op)); 357 CeedCallBackend(CeedQFunctionDestroy(&qf)); 358 return CEED_ERROR_SUCCESS; 359 } 360 361 //------------------------------------------------------------------------------ 362 // Restrict Operator Inputs 363 //------------------------------------------------------------------------------ 364 static inline int CeedOperatorInputRestrict_Cuda(CeedOperatorField op_input_field, CeedQFunctionField qf_input_field, CeedInt input_field, 365 CeedVector in_vec, CeedVector active_e_vec, const bool skip_active, CeedOperator_Cuda *impl, 366 CeedRequest *request) { 367 bool is_active = false; 368 CeedVector l_vec, e_vec = impl->e_vecs_in[input_field]; 369 370 // Get input vector 371 CeedCallBackend(CeedOperatorFieldGetVector(op_input_field, &l_vec)); 372 is_active = l_vec == CEED_VECTOR_ACTIVE; 373 if (is_active && skip_active) return CEED_ERROR_SUCCESS; 374 if (is_active) { 375 l_vec = in_vec; 376 if (!e_vec) e_vec = active_e_vec; 377 } 378 379 // Restriction action 380 if (e_vec) { 381 // Restrict, if necessary 382 if (!impl->skip_rstr_in[input_field]) { 383 uint64_t state; 384 385 CeedCallBackend(CeedVectorGetState(l_vec, &state)); 386 if (is_active || state != impl->input_states[input_field]) { 387 CeedElemRestriction elem_rstr; 388 389 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_field, &elem_rstr)); 390 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_NOTRANSPOSE, l_vec, e_vec, request)); 391 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 392 } 393 impl->input_states[input_field] = state; 394 } 395 } 396 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 397 return CEED_ERROR_SUCCESS; 398 } 399 400 //------------------------------------------------------------------------------ 401 // Input Basis Action 402 //------------------------------------------------------------------------------ 403 static inline int CeedOperatorInputBasis_Cuda(CeedOperatorField op_input_field, CeedQFunctionField qf_input_field, CeedInt input_field, 404 CeedVector in_vec, CeedVector active_e_vec, CeedInt num_elem, const bool skip_active, 405 CeedOperator_Cuda *impl) { 406 bool is_active = false; 407 CeedEvalMode eval_mode; 408 CeedVector l_vec, e_vec = impl->e_vecs_in[input_field], q_vec = impl->q_vecs_in[input_field]; 409 410 // Skip active input 411 CeedCallBackend(CeedOperatorFieldGetVector(op_input_field, &l_vec)); 412 is_active = l_vec == CEED_VECTOR_ACTIVE; 413 if (is_active && skip_active) return CEED_ERROR_SUCCESS; 414 if (is_active) { 415 l_vec = in_vec; 416 if (!e_vec) e_vec = active_e_vec; 417 } 418 419 // Basis action 420 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_field, &eval_mode)); 421 switch (eval_mode) { 422 case CEED_EVAL_NONE: { 423 const CeedScalar *e_vec_array; 424 425 if (e_vec) { 426 CeedCallBackend(CeedVectorGetArrayRead(e_vec, CEED_MEM_DEVICE, &e_vec_array)); 427 } else { 428 CeedCallBackend(CeedVectorGetArrayRead(l_vec, CEED_MEM_DEVICE, &e_vec_array)); 429 } 430 CeedCallBackend(CeedVectorSetArray(q_vec, CEED_MEM_DEVICE, CEED_USE_POINTER, (CeedScalar *)e_vec_array)); 431 break; 432 } 433 case CEED_EVAL_INTERP: 434 case CEED_EVAL_GRAD: 435 case CEED_EVAL_DIV: 436 case CEED_EVAL_CURL: { 437 CeedBasis basis; 438 439 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_field, &basis)); 440 CeedCallBackend(CeedBasisApply(basis, num_elem, CEED_NOTRANSPOSE, eval_mode, e_vec, q_vec)); 441 CeedCallBackend(CeedBasisDestroy(&basis)); 442 break; 443 } 444 case CEED_EVAL_WEIGHT: 445 break; // No action 446 } 447 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 448 return CEED_ERROR_SUCCESS; 449 } 450 451 //------------------------------------------------------------------------------ 452 // Restore Input Vectors 453 //------------------------------------------------------------------------------ 454 static inline int CeedOperatorInputRestore_Cuda(CeedOperatorField op_input_field, CeedQFunctionField qf_input_field, CeedInt input_field, 455 CeedVector in_vec, CeedVector active_e_vec, const bool skip_active, CeedOperator_Cuda *impl) { 456 bool is_active = false; 457 CeedEvalMode eval_mode; 458 CeedVector l_vec, e_vec = impl->e_vecs_in[input_field]; 459 460 // Skip active input 461 CeedCallBackend(CeedOperatorFieldGetVector(op_input_field, &l_vec)); 462 is_active = l_vec == CEED_VECTOR_ACTIVE; 463 if (is_active && skip_active) return CEED_ERROR_SUCCESS; 464 if (is_active) { 465 l_vec = in_vec; 466 if (!e_vec) e_vec = active_e_vec; 467 } 468 469 // Restore e-vec 470 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_field, &eval_mode)); 471 if (eval_mode == CEED_EVAL_NONE) { 472 const CeedScalar *e_vec_array; 473 474 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_in[input_field], CEED_MEM_DEVICE, (CeedScalar **)&e_vec_array)); 475 if (e_vec) { 476 CeedCallBackend(CeedVectorRestoreArrayRead(e_vec, &e_vec_array)); 477 } else { 478 CeedCallBackend(CeedVectorRestoreArrayRead(l_vec, &e_vec_array)); 479 } 480 } 481 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 482 return CEED_ERROR_SUCCESS; 483 } 484 485 //------------------------------------------------------------------------------ 486 // Apply and add to output 487 //------------------------------------------------------------------------------ 488 static int CeedOperatorApplyAdd_Cuda(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 489 CeedInt Q, num_elem, num_input_fields, num_output_fields; 490 Ceed ceed; 491 CeedVector active_e_vec; 492 CeedQFunctionField *qf_input_fields, *qf_output_fields; 493 CeedQFunction qf; 494 CeedOperatorField *op_input_fields, *op_output_fields; 495 CeedOperator_Cuda *impl; 496 497 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 498 CeedCallBackend(CeedOperatorGetData(op, &impl)); 499 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 500 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 501 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 502 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 503 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 504 505 // Setup 506 CeedCallBackend(CeedOperatorSetup_Cuda(op)); 507 508 // Work vector 509 CeedCallBackend(CeedGetWorkVector(ceed, impl->max_active_e_vec_len, &active_e_vec)); 510 511 // Process inputs 512 for (CeedInt i = 0; i < num_input_fields; i++) { 513 CeedInt field = impl->input_field_order[i]; 514 515 CeedCallBackend( 516 CeedOperatorInputRestrict_Cuda(op_input_fields[field], qf_input_fields[field], field, in_vec, active_e_vec, false, impl, request)); 517 CeedCallBackend(CeedOperatorInputBasis_Cuda(op_input_fields[field], qf_input_fields[field], field, in_vec, active_e_vec, num_elem, false, impl)); 518 } 519 520 // Output pointers, as necessary 521 for (CeedInt i = 0; i < num_output_fields; i++) { 522 CeedEvalMode eval_mode; 523 524 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 525 if (eval_mode == CEED_EVAL_NONE) { 526 CeedScalar *e_vec_array; 527 528 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 529 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, CEED_USE_POINTER, e_vec_array)); 530 } 531 } 532 533 // Q function 534 CeedCallBackend(CeedQFunctionApply(qf, num_elem * Q, impl->q_vecs_in, impl->q_vecs_out)); 535 536 // Restore input arrays 537 for (CeedInt i = 0; i < num_input_fields; i++) { 538 CeedCallBackend(CeedOperatorInputRestore_Cuda(op_input_fields[i], qf_input_fields[i], i, in_vec, active_e_vec, false, impl)); 539 } 540 541 // Output basis and restriction 542 for (CeedInt i = 0; i < num_output_fields; i++) { 543 bool is_active = false; 544 CeedInt field = impl->output_field_order[i]; 545 CeedEvalMode eval_mode; 546 CeedVector l_vec, e_vec = impl->e_vecs_out[field], q_vec = impl->q_vecs_out[field]; 547 548 // Output vector 549 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[field], &l_vec)); 550 is_active = l_vec == CEED_VECTOR_ACTIVE; 551 if (is_active) { 552 l_vec = out_vec; 553 if (!e_vec) e_vec = active_e_vec; 554 } 555 556 // Basis action 557 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[field], &eval_mode)); 558 switch (eval_mode) { 559 case CEED_EVAL_NONE: 560 break; // No action 561 case CEED_EVAL_INTERP: 562 case CEED_EVAL_GRAD: 563 case CEED_EVAL_DIV: 564 case CEED_EVAL_CURL: { 565 CeedBasis basis; 566 567 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[field], &basis)); 568 if (impl->apply_add_basis_out[field]) { 569 CeedCallBackend(CeedBasisApplyAdd(basis, num_elem, CEED_TRANSPOSE, eval_mode, q_vec, e_vec)); 570 } else { 571 CeedCallBackend(CeedBasisApply(basis, num_elem, CEED_TRANSPOSE, eval_mode, q_vec, e_vec)); 572 } 573 CeedCallBackend(CeedBasisDestroy(&basis)); 574 break; 575 } 576 // LCOV_EXCL_START 577 case CEED_EVAL_WEIGHT: { 578 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 579 // LCOV_EXCL_STOP 580 } 581 } 582 583 // Restore evec 584 if (eval_mode == CEED_EVAL_NONE) { 585 CeedScalar *e_vec_array; 586 587 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 588 CeedCallBackend(CeedVectorRestoreArray(e_vec, &e_vec_array)); 589 } 590 591 // Restrict 592 if (!impl->skip_rstr_out[field]) { 593 CeedElemRestriction elem_rstr; 594 595 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[field], &elem_rstr)); 596 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_TRANSPOSE, e_vec, l_vec, request)); 597 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 598 } 599 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 600 } 601 602 // Return work vector 603 CeedCallBackend(CeedRestoreWorkVector(ceed, &active_e_vec)); 604 CeedCallBackend(CeedDestroy(&ceed)); 605 CeedCallBackend(CeedQFunctionDestroy(&qf)); 606 return CEED_ERROR_SUCCESS; 607 } 608 609 //------------------------------------------------------------------------------ 610 // CeedOperator needs to connect all the named fields (be they active or passive) to the named inputs and outputs of its CeedQFunction. 611 //------------------------------------------------------------------------------ 612 static int CeedOperatorSetupAtPoints_Cuda(CeedOperator op) { 613 bool is_setup_done; 614 CeedInt max_num_points = -1, num_elem, num_input_fields, num_output_fields; 615 CeedQFunctionField *qf_input_fields, *qf_output_fields; 616 CeedQFunction qf; 617 CeedOperatorField *op_input_fields, *op_output_fields; 618 CeedOperator_Cuda *impl; 619 620 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 621 if (is_setup_done) return CEED_ERROR_SUCCESS; 622 623 CeedCallBackend(CeedOperatorGetData(op, &impl)); 624 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 625 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 626 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 627 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 628 { 629 CeedElemRestriction rstr_points = NULL; 630 631 CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, NULL)); 632 CeedCallBackend(CeedElemRestrictionGetMaxPointsInElement(rstr_points, &max_num_points)); 633 CeedCallBackend(CeedCalloc(num_elem, &impl->num_points)); 634 for (CeedInt e = 0; e < num_elem; e++) { 635 CeedInt num_points_elem; 636 637 CeedCallBackend(CeedElemRestrictionGetNumPointsInElement(rstr_points, e, &num_points_elem)); 638 impl->num_points[e] = num_points_elem; 639 } 640 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); 641 } 642 impl->max_num_points = max_num_points; 643 644 // Allocate 645 CeedCallBackend(CeedCalloc(num_input_fields, &impl->e_vecs_in)); 646 CeedCallBackend(CeedCalloc(num_output_fields, &impl->e_vecs_out)); 647 CeedCallBackend(CeedCalloc(num_input_fields, &impl->skip_rstr_in)); 648 CeedCallBackend(CeedCalloc(num_output_fields, &impl->skip_rstr_out)); 649 CeedCallBackend(CeedCalloc(num_output_fields, &impl->apply_add_basis_out)); 650 CeedCallBackend(CeedCalloc(num_input_fields, &impl->input_field_order)); 651 CeedCallBackend(CeedCalloc(num_output_fields, &impl->output_field_order)); 652 CeedCallBackend(CeedCalloc(num_input_fields, &impl->input_states)); 653 CeedCallBackend(CeedCalloc(num_input_fields, &impl->q_vecs_in)); 654 CeedCallBackend(CeedCalloc(num_output_fields, &impl->q_vecs_out)); 655 impl->num_inputs = num_input_fields; 656 impl->num_outputs = num_output_fields; 657 658 // Set up infield and outfield e-vecs and q-vecs 659 CeedCallBackend(CeedOperatorSetupFields_Cuda(qf, op, true, true, impl->skip_rstr_in, NULL, impl->e_vecs_in, impl->q_vecs_in, num_input_fields, 660 max_num_points, num_elem)); 661 CeedCallBackend(CeedOperatorSetupFields_Cuda(qf, op, false, true, impl->skip_rstr_out, impl->apply_add_basis_out, impl->e_vecs_out, 662 impl->q_vecs_out, num_output_fields, max_num_points, num_elem)); 663 664 // Reorder fields to allow reuse of buffers 665 impl->max_active_e_vec_len = 0; 666 { 667 bool is_ordered[CEED_FIELD_MAX]; 668 CeedInt curr_index = 0; 669 670 for (CeedInt i = 0; i < num_input_fields; i++) is_ordered[i] = false; 671 for (CeedInt i = 0; i < num_input_fields; i++) { 672 CeedSize e_vec_len_i; 673 CeedVector vec_i; 674 CeedElemRestriction rstr_i; 675 676 if (is_ordered[i]) continue; 677 is_ordered[i] = true; 678 impl->input_field_order[curr_index] = i; 679 curr_index++; 680 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec_i)); 681 if (vec_i == CEED_VECTOR_NONE) { 682 // CEED_EVAL_WEIGHT 683 CeedCallBackend(CeedVectorDestroy(&vec_i)); 684 continue; 685 }; 686 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &rstr_i)); 687 CeedCallBackend(CeedElemRestrictionGetEVectorSize(rstr_i, &e_vec_len_i)); 688 impl->max_active_e_vec_len = e_vec_len_i > impl->max_active_e_vec_len ? e_vec_len_i : impl->max_active_e_vec_len; 689 for (CeedInt j = i + 1; j < num_input_fields; j++) { 690 CeedVector vec_j; 691 CeedElemRestriction rstr_j; 692 693 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[j], &vec_j)); 694 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[j], &rstr_j)); 695 if (rstr_i == rstr_j && vec_i == vec_j) { 696 is_ordered[j] = true; 697 impl->input_field_order[curr_index] = j; 698 curr_index++; 699 } 700 CeedCallBackend(CeedVectorDestroy(&vec_j)); 701 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 702 } 703 CeedCallBackend(CeedVectorDestroy(&vec_i)); 704 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 705 } 706 } 707 { 708 bool is_ordered[CEED_FIELD_MAX]; 709 CeedInt curr_index = 0; 710 711 for (CeedInt i = 0; i < num_output_fields; i++) is_ordered[i] = false; 712 for (CeedInt i = 0; i < num_output_fields; i++) { 713 CeedSize e_vec_len_i; 714 CeedVector vec_i; 715 CeedElemRestriction rstr_i; 716 717 if (is_ordered[i]) continue; 718 is_ordered[i] = true; 719 impl->output_field_order[curr_index] = i; 720 curr_index++; 721 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec_i)); 722 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &rstr_i)); 723 CeedCallBackend(CeedElemRestrictionGetEVectorSize(rstr_i, &e_vec_len_i)); 724 impl->max_active_e_vec_len = e_vec_len_i > impl->max_active_e_vec_len ? e_vec_len_i : impl->max_active_e_vec_len; 725 for (CeedInt j = i + 1; j < num_output_fields; j++) { 726 CeedVector vec_j; 727 CeedElemRestriction rstr_j; 728 729 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[j], &vec_j)); 730 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[j], &rstr_j)); 731 if (rstr_i == rstr_j && vec_i == vec_j) { 732 is_ordered[j] = true; 733 impl->output_field_order[curr_index] = j; 734 curr_index++; 735 } 736 CeedCallBackend(CeedVectorDestroy(&vec_j)); 737 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 738 } 739 CeedCallBackend(CeedVectorDestroy(&vec_i)); 740 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 741 } 742 } 743 CeedCallBackend(CeedOperatorSetSetupDone(op)); 744 CeedCallBackend(CeedQFunctionDestroy(&qf)); 745 return CEED_ERROR_SUCCESS; 746 } 747 748 //------------------------------------------------------------------------------ 749 // Input Basis Action AtPoints 750 //------------------------------------------------------------------------------ 751 static inline int CeedOperatorInputBasisAtPoints_Cuda(CeedOperatorField op_input_field, CeedQFunctionField qf_input_field, CeedInt input_field, 752 CeedVector in_vec, CeedVector active_e_vec, CeedInt num_elem, const CeedInt *num_points, 753 const bool skip_active, CeedOperator_Cuda *impl) { 754 bool is_active = false; 755 CeedEvalMode eval_mode; 756 CeedVector l_vec, e_vec = impl->e_vecs_in[input_field], q_vec = impl->q_vecs_in[input_field]; 757 758 // Skip active input 759 CeedCallBackend(CeedOperatorFieldGetVector(op_input_field, &l_vec)); 760 is_active = l_vec == CEED_VECTOR_ACTIVE; 761 if (is_active && skip_active) return CEED_ERROR_SUCCESS; 762 if (is_active) { 763 l_vec = in_vec; 764 if (!e_vec) e_vec = active_e_vec; 765 } 766 767 // Basis action 768 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_field, &eval_mode)); 769 switch (eval_mode) { 770 case CEED_EVAL_NONE: { 771 const CeedScalar *e_vec_array; 772 773 if (e_vec) { 774 CeedCallBackend(CeedVectorGetArrayRead(e_vec, CEED_MEM_DEVICE, &e_vec_array)); 775 } else { 776 CeedCallBackend(CeedVectorGetArrayRead(l_vec, CEED_MEM_DEVICE, &e_vec_array)); 777 } 778 CeedCallBackend(CeedVectorSetArray(q_vec, CEED_MEM_DEVICE, CEED_USE_POINTER, (CeedScalar *)e_vec_array)); 779 break; 780 } 781 case CEED_EVAL_INTERP: 782 case CEED_EVAL_GRAD: 783 case CEED_EVAL_DIV: 784 case CEED_EVAL_CURL: { 785 CeedBasis basis; 786 787 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_field, &basis)); 788 CeedCallBackend(CeedBasisApplyAtPoints(basis, num_elem, num_points, CEED_NOTRANSPOSE, eval_mode, impl->point_coords_elem, e_vec, q_vec)); 789 CeedCallBackend(CeedBasisDestroy(&basis)); 790 break; 791 } 792 case CEED_EVAL_WEIGHT: 793 break; // No action 794 } 795 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 796 return CEED_ERROR_SUCCESS; 797 } 798 799 //------------------------------------------------------------------------------ 800 // Apply and add to output AtPoints 801 //------------------------------------------------------------------------------ 802 static int CeedOperatorApplyAddAtPoints_Cuda(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 803 CeedInt max_num_points, *num_points, num_elem, num_input_fields, num_output_fields; 804 Ceed ceed; 805 CeedVector active_e_vec; 806 CeedQFunctionField *qf_input_fields, *qf_output_fields; 807 CeedQFunction qf; 808 CeedOperatorField *op_input_fields, *op_output_fields; 809 CeedOperator_Cuda *impl; 810 811 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 812 CeedCallBackend(CeedOperatorGetData(op, &impl)); 813 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 814 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 815 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 816 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 817 818 // Setup 819 CeedCallBackend(CeedOperatorSetupAtPoints_Cuda(op)); 820 num_points = impl->num_points; 821 max_num_points = impl->max_num_points; 822 823 // Work vector 824 CeedCallBackend(CeedGetWorkVector(ceed, impl->max_active_e_vec_len, &active_e_vec)); 825 826 // Get point coordinates 827 if (!impl->point_coords_elem) { 828 CeedVector point_coords = NULL; 829 CeedElemRestriction rstr_points = NULL; 830 831 CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, &point_coords)); 832 CeedCallBackend(CeedElemRestrictionCreateVector(rstr_points, NULL, &impl->point_coords_elem)); 833 CeedCallBackend(CeedElemRestrictionApply(rstr_points, CEED_NOTRANSPOSE, point_coords, impl->point_coords_elem, request)); 834 CeedCallBackend(CeedVectorDestroy(&point_coords)); 835 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); 836 } 837 838 // Process inputs 839 for (CeedInt i = 0; i < num_input_fields; i++) { 840 CeedInt field = impl->input_field_order[i]; 841 842 CeedCallBackend( 843 CeedOperatorInputRestrict_Cuda(op_input_fields[field], qf_input_fields[field], field, in_vec, active_e_vec, false, impl, request)); 844 CeedCallBackend(CeedOperatorInputBasisAtPoints_Cuda(op_input_fields[field], qf_input_fields[field], field, in_vec, active_e_vec, num_elem, 845 num_points, false, impl)); 846 } 847 848 // Output pointers, as necessary 849 for (CeedInt i = 0; i < num_output_fields; i++) { 850 CeedEvalMode eval_mode; 851 852 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 853 if (eval_mode == CEED_EVAL_NONE) { 854 CeedScalar *e_vec_array; 855 856 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 857 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, CEED_USE_POINTER, e_vec_array)); 858 } 859 } 860 861 // Q function 862 CeedCallBackend(CeedQFunctionApply(qf, num_elem * max_num_points, impl->q_vecs_in, impl->q_vecs_out)); 863 864 // Restore input arrays 865 for (CeedInt i = 0; i < num_input_fields; i++) { 866 CeedCallBackend(CeedOperatorInputRestore_Cuda(op_input_fields[i], qf_input_fields[i], i, in_vec, active_e_vec, false, impl)); 867 } 868 869 // Output basis and restriction 870 for (CeedInt i = 0; i < num_output_fields; i++) { 871 bool is_active = false; 872 CeedInt field = impl->output_field_order[i]; 873 CeedEvalMode eval_mode; 874 CeedVector l_vec, e_vec = impl->e_vecs_out[field], q_vec = impl->q_vecs_out[field]; 875 876 // Output vector 877 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[field], &l_vec)); 878 is_active = l_vec == CEED_VECTOR_ACTIVE; 879 if (is_active) { 880 l_vec = out_vec; 881 if (!e_vec) e_vec = active_e_vec; 882 } 883 884 // Basis action 885 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[field], &eval_mode)); 886 switch (eval_mode) { 887 case CEED_EVAL_NONE: 888 break; // No action 889 case CEED_EVAL_INTERP: 890 case CEED_EVAL_GRAD: 891 case CEED_EVAL_DIV: 892 case CEED_EVAL_CURL: { 893 CeedBasis basis; 894 895 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[field], &basis)); 896 if (impl->apply_add_basis_out[field]) { 897 CeedCallBackend(CeedBasisApplyAddAtPoints(basis, num_elem, num_points, CEED_TRANSPOSE, eval_mode, impl->point_coords_elem, q_vec, e_vec)); 898 } else { 899 CeedCallBackend(CeedBasisApplyAtPoints(basis, num_elem, num_points, CEED_TRANSPOSE, eval_mode, impl->point_coords_elem, q_vec, e_vec)); 900 } 901 CeedCallBackend(CeedBasisDestroy(&basis)); 902 break; 903 } 904 // LCOV_EXCL_START 905 case CEED_EVAL_WEIGHT: { 906 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 907 // LCOV_EXCL_STOP 908 } 909 } 910 911 // Restore evec 912 if (eval_mode == CEED_EVAL_NONE) { 913 CeedScalar *e_vec_array; 914 915 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 916 CeedCallBackend(CeedVectorRestoreArray(e_vec, &e_vec_array)); 917 } 918 919 // Restrict 920 if (!impl->skip_rstr_out[field]) { 921 CeedElemRestriction elem_rstr; 922 923 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[field], &elem_rstr)); 924 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_TRANSPOSE, e_vec, l_vec, request)); 925 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 926 } 927 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 928 } 929 930 // Restore work vector 931 CeedCallBackend(CeedRestoreWorkVector(ceed, &active_e_vec)); 932 CeedCallBackend(CeedDestroy(&ceed)); 933 CeedCallBackend(CeedQFunctionDestroy(&qf)); 934 return CEED_ERROR_SUCCESS; 935 } 936 937 //------------------------------------------------------------------------------ 938 // Linear QFunction Assembly Core 939 //------------------------------------------------------------------------------ 940 static inline int CeedOperatorLinearAssembleQFunctionCore_Cuda(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 941 CeedRequest *request) { 942 Ceed ceed, ceed_parent; 943 CeedInt num_active_in, num_active_out, Q, num_elem, num_input_fields, num_output_fields, size; 944 CeedScalar *assembled_array; 945 CeedVector *active_inputs; 946 CeedQFunctionField *qf_input_fields, *qf_output_fields; 947 CeedQFunction qf; 948 CeedOperatorField *op_input_fields, *op_output_fields; 949 CeedOperator_Cuda *impl; 950 951 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 952 CeedCallBackend(CeedOperatorGetFallbackParentCeed(op, &ceed_parent)); 953 CeedCallBackend(CeedOperatorGetData(op, &impl)); 954 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 955 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 956 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 957 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 958 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 959 active_inputs = impl->qf_active_in; 960 num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 961 962 // Setup 963 CeedCallBackend(CeedOperatorSetup_Cuda(op)); 964 965 // Process inputs 966 for (CeedInt i = 0; i < num_input_fields; i++) { 967 CeedCallBackend(CeedOperatorInputRestrict_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, true, impl, request)); 968 CeedCallBackend(CeedOperatorInputBasis_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, num_elem, true, impl)); 969 } 970 971 // Count number of active input fields 972 if (!num_active_in) { 973 for (CeedInt i = 0; i < num_input_fields; i++) { 974 CeedScalar *q_vec_array; 975 CeedVector l_vec; 976 977 // Check if active input 978 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &l_vec)); 979 if (l_vec == CEED_VECTOR_ACTIVE) { 980 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 981 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 982 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_DEVICE, &q_vec_array)); 983 CeedCallBackend(CeedRealloc(num_active_in + size, &active_inputs)); 984 for (CeedInt field = 0; field < size; field++) { 985 CeedSize q_size = (CeedSize)Q * num_elem; 986 987 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_inputs[num_active_in + field])); 988 CeedCallBackend( 989 CeedVectorSetArray(active_inputs[num_active_in + field], CEED_MEM_DEVICE, CEED_USE_POINTER, &q_vec_array[field * Q * num_elem])); 990 } 991 num_active_in += size; 992 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &q_vec_array)); 993 } 994 CeedCallBackend(CeedVectorDestroy(&l_vec)); 995 } 996 impl->num_active_in = num_active_in; 997 impl->qf_active_in = active_inputs; 998 } 999 1000 // Count number of active output fields 1001 if (!num_active_out) { 1002 for (CeedInt i = 0; i < num_output_fields; i++) { 1003 CeedVector l_vec; 1004 1005 // Check if active output 1006 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &l_vec)); 1007 if (l_vec == CEED_VECTOR_ACTIVE) { 1008 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 1009 num_active_out += size; 1010 } 1011 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1012 } 1013 impl->num_active_out = num_active_out; 1014 } 1015 1016 // Check sizes 1017 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 1018 1019 // Build objects if needed 1020 if (build_objects) { 1021 CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 1022 CeedInt strides[3] = {1, num_elem * Q, Q}; /* *NOPAD* */ 1023 1024 // Create output restriction 1025 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed_parent, num_elem, Q, num_active_in * num_active_out, 1026 (CeedSize)num_active_in * (CeedSize)num_active_out * (CeedSize)num_elem * (CeedSize)Q, strides, 1027 rstr)); 1028 // Create assembled vector 1029 CeedCallBackend(CeedVectorCreate(ceed_parent, l_size, assembled)); 1030 } 1031 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 1032 CeedCallBackend(CeedVectorGetArray(*assembled, CEED_MEM_DEVICE, &assembled_array)); 1033 1034 // Assemble QFunction 1035 for (CeedInt in = 0; in < num_active_in; in++) { 1036 // Set Inputs 1037 CeedCallBackend(CeedVectorSetValue(active_inputs[in], 1.0)); 1038 if (num_active_in > 1) { 1039 CeedCallBackend(CeedVectorSetValue(active_inputs[(in + num_active_in - 1) % num_active_in], 0.0)); 1040 } 1041 // Set Outputs 1042 for (CeedInt out = 0; out < num_output_fields; out++) { 1043 CeedVector l_vec; 1044 1045 // Check if active output 1046 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &l_vec)); 1047 if (l_vec == CEED_VECTOR_ACTIVE) { 1048 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_DEVICE, CEED_USE_POINTER, assembled_array)); 1049 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 1050 assembled_array += size * Q * num_elem; // Advance the pointer by the size of the output 1051 } 1052 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1053 } 1054 // Apply QFunction 1055 CeedCallBackend(CeedQFunctionApply(qf, Q * num_elem, impl->q_vecs_in, impl->q_vecs_out)); 1056 } 1057 1058 // Un-set output q-vecs to prevent accidental overwrite of Assembled 1059 for (CeedInt out = 0; out < num_output_fields; out++) { 1060 CeedVector l_vec; 1061 1062 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &l_vec)); 1063 if (l_vec == CEED_VECTOR_ACTIVE) { 1064 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_DEVICE, NULL)); 1065 } 1066 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1067 } 1068 1069 // Restore input arrays 1070 for (CeedInt i = 0; i < num_input_fields; i++) { 1071 CeedCallBackend(CeedOperatorInputRestore_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, true, impl)); 1072 } 1073 1074 // Restore output 1075 CeedCallBackend(CeedVectorRestoreArray(*assembled, &assembled_array)); 1076 CeedCallBackend(CeedDestroy(&ceed)); 1077 CeedCallBackend(CeedDestroy(&ceed_parent)); 1078 CeedCallBackend(CeedQFunctionDestroy(&qf)); 1079 return CEED_ERROR_SUCCESS; 1080 } 1081 1082 //------------------------------------------------------------------------------ 1083 // Assemble Linear QFunction 1084 //------------------------------------------------------------------------------ 1085 static int CeedOperatorLinearAssembleQFunction_Cuda(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 1086 return CeedOperatorLinearAssembleQFunctionCore_Cuda(op, true, assembled, rstr, request); 1087 } 1088 1089 //------------------------------------------------------------------------------ 1090 // Update Assembled Linear QFunction 1091 //------------------------------------------------------------------------------ 1092 static int CeedOperatorLinearAssembleQFunctionUpdate_Cuda(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 1093 return CeedOperatorLinearAssembleQFunctionCore_Cuda(op, false, &assembled, &rstr, request); 1094 } 1095 1096 //------------------------------------------------------------------------------ 1097 // Assemble Diagonal Setup 1098 //------------------------------------------------------------------------------ 1099 static inline int CeedOperatorAssembleDiagonalSetup_Cuda(CeedOperator op) { 1100 Ceed ceed; 1101 CeedInt num_input_fields, num_output_fields, num_eval_modes_in = 0, num_eval_modes_out = 0; 1102 CeedInt q_comp, num_nodes, num_qpts; 1103 CeedEvalMode *eval_modes_in = NULL, *eval_modes_out = NULL; 1104 CeedBasis basis_in = NULL, basis_out = NULL; 1105 CeedQFunctionField *qf_fields; 1106 CeedQFunction qf; 1107 CeedOperatorField *op_fields; 1108 CeedOperator_Cuda *impl; 1109 1110 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1111 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 1112 CeedCallBackend(CeedQFunctionGetNumArgs(qf, &num_input_fields, &num_output_fields)); 1113 1114 // Determine active input basis 1115 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 1116 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 1117 for (CeedInt i = 0; i < num_input_fields; i++) { 1118 CeedVector vec; 1119 1120 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec)); 1121 if (vec == CEED_VECTOR_ACTIVE) { 1122 CeedEvalMode eval_mode; 1123 CeedBasis basis; 1124 1125 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 1126 CeedCheck(!basis_in || basis_in == basis, ceed, CEED_ERROR_BACKEND, 1127 "Backend does not implement operator diagonal assembly with multiple active bases"); 1128 if (!basis_in) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_in)); 1129 CeedCallBackend(CeedBasisDestroy(&basis)); 1130 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1131 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_in, eval_mode, &q_comp)); 1132 if (eval_mode != CEED_EVAL_WEIGHT) { 1133 // q_comp = 1 if CEED_EVAL_NONE, CEED_EVAL_WEIGHT caught by QF assembly 1134 CeedCallBackend(CeedRealloc(num_eval_modes_in + q_comp, &eval_modes_in)); 1135 for (CeedInt d = 0; d < q_comp; d++) eval_modes_in[num_eval_modes_in + d] = eval_mode; 1136 num_eval_modes_in += q_comp; 1137 } 1138 } 1139 CeedCallBackend(CeedVectorDestroy(&vec)); 1140 } 1141 1142 // Determine active output basis 1143 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 1144 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 1145 for (CeedInt i = 0; i < num_output_fields; i++) { 1146 CeedVector vec; 1147 1148 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec)); 1149 if (vec == CEED_VECTOR_ACTIVE) { 1150 CeedBasis basis; 1151 CeedEvalMode eval_mode; 1152 1153 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 1154 CeedCheck(!basis_out || basis_out == basis, ceed, CEED_ERROR_BACKEND, 1155 "Backend does not implement operator diagonal assembly with multiple active bases"); 1156 if (!basis_out) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_out)); 1157 CeedCallBackend(CeedBasisDestroy(&basis)); 1158 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1159 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_out, eval_mode, &q_comp)); 1160 if (eval_mode != CEED_EVAL_WEIGHT) { 1161 // q_comp = 1 if CEED_EVAL_NONE, CEED_EVAL_WEIGHT caught by QF assembly 1162 CeedCallBackend(CeedRealloc(num_eval_modes_out + q_comp, &eval_modes_out)); 1163 for (CeedInt d = 0; d < q_comp; d++) eval_modes_out[num_eval_modes_out + d] = eval_mode; 1164 num_eval_modes_out += q_comp; 1165 } 1166 } 1167 CeedCallBackend(CeedVectorDestroy(&vec)); 1168 } 1169 1170 // Operator data struct 1171 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1172 CeedCallBackend(CeedCalloc(1, &impl->diag)); 1173 CeedOperatorDiag_Cuda *diag = impl->diag; 1174 1175 // Basis matrices 1176 CeedCallBackend(CeedBasisGetNumNodes(basis_in, &num_nodes)); 1177 if (basis_in == CEED_BASIS_NONE) num_qpts = num_nodes; 1178 else CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis_in, &num_qpts)); 1179 const CeedInt interp_bytes = num_nodes * num_qpts * sizeof(CeedScalar); 1180 const CeedInt eval_modes_bytes = sizeof(CeedEvalMode); 1181 bool has_eval_none = false; 1182 1183 // CEED_EVAL_NONE 1184 for (CeedInt i = 0; i < num_eval_modes_in; i++) has_eval_none = has_eval_none || (eval_modes_in[i] == CEED_EVAL_NONE); 1185 for (CeedInt i = 0; i < num_eval_modes_out; i++) has_eval_none = has_eval_none || (eval_modes_out[i] == CEED_EVAL_NONE); 1186 if (has_eval_none) { 1187 CeedScalar *identity = NULL; 1188 1189 CeedCallBackend(CeedCalloc(num_nodes * num_qpts, &identity)); 1190 for (CeedInt i = 0; i < (num_nodes < num_qpts ? num_nodes : num_qpts); i++) identity[i * num_nodes + i] = 1.0; 1191 CeedCallCuda(ceed, cudaMalloc((void **)&diag->d_identity, interp_bytes)); 1192 CeedCallCuda(ceed, cudaMemcpy(diag->d_identity, identity, interp_bytes, cudaMemcpyHostToDevice)); 1193 CeedCallBackend(CeedFree(&identity)); 1194 } 1195 1196 // CEED_EVAL_INTERP, CEED_EVAL_GRAD, CEED_EVAL_DIV, and CEED_EVAL_CURL 1197 for (CeedInt in = 0; in < 2; in++) { 1198 CeedFESpace fespace; 1199 CeedBasis basis = in ? basis_in : basis_out; 1200 1201 CeedCallBackend(CeedBasisGetFESpace(basis, &fespace)); 1202 switch (fespace) { 1203 case CEED_FE_SPACE_H1: { 1204 CeedInt q_comp_interp, q_comp_grad; 1205 const CeedScalar *interp, *grad; 1206 CeedScalar *d_interp, *d_grad; 1207 1208 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp)); 1209 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_GRAD, &q_comp_grad)); 1210 1211 CeedCallBackend(CeedBasisGetInterp(basis, &interp)); 1212 CeedCallCuda(ceed, cudaMalloc((void **)&d_interp, interp_bytes * q_comp_interp)); 1213 CeedCallCuda(ceed, cudaMemcpy(d_interp, interp, interp_bytes * q_comp_interp, cudaMemcpyHostToDevice)); 1214 CeedCallBackend(CeedBasisGetGrad(basis, &grad)); 1215 CeedCallCuda(ceed, cudaMalloc((void **)&d_grad, interp_bytes * q_comp_grad)); 1216 CeedCallCuda(ceed, cudaMemcpy(d_grad, grad, interp_bytes * q_comp_grad, cudaMemcpyHostToDevice)); 1217 if (in) { 1218 diag->d_interp_in = d_interp; 1219 diag->d_grad_in = d_grad; 1220 } else { 1221 diag->d_interp_out = d_interp; 1222 diag->d_grad_out = d_grad; 1223 } 1224 } break; 1225 case CEED_FE_SPACE_HDIV: { 1226 CeedInt q_comp_interp, q_comp_div; 1227 const CeedScalar *interp, *div; 1228 CeedScalar *d_interp, *d_div; 1229 1230 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp)); 1231 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_DIV, &q_comp_div)); 1232 1233 CeedCallBackend(CeedBasisGetInterp(basis, &interp)); 1234 CeedCallCuda(ceed, cudaMalloc((void **)&d_interp, interp_bytes * q_comp_interp)); 1235 CeedCallCuda(ceed, cudaMemcpy(d_interp, interp, interp_bytes * q_comp_interp, cudaMemcpyHostToDevice)); 1236 CeedCallBackend(CeedBasisGetDiv(basis, &div)); 1237 CeedCallCuda(ceed, cudaMalloc((void **)&d_div, interp_bytes * q_comp_div)); 1238 CeedCallCuda(ceed, cudaMemcpy(d_div, div, interp_bytes * q_comp_div, cudaMemcpyHostToDevice)); 1239 if (in) { 1240 diag->d_interp_in = d_interp; 1241 diag->d_div_in = d_div; 1242 } else { 1243 diag->d_interp_out = d_interp; 1244 diag->d_div_out = d_div; 1245 } 1246 } break; 1247 case CEED_FE_SPACE_HCURL: { 1248 CeedInt q_comp_interp, q_comp_curl; 1249 const CeedScalar *interp, *curl; 1250 CeedScalar *d_interp, *d_curl; 1251 1252 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp)); 1253 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_CURL, &q_comp_curl)); 1254 1255 CeedCallBackend(CeedBasisGetInterp(basis, &interp)); 1256 CeedCallCuda(ceed, cudaMalloc((void **)&d_interp, interp_bytes * q_comp_interp)); 1257 CeedCallCuda(ceed, cudaMemcpy(d_interp, interp, interp_bytes * q_comp_interp, cudaMemcpyHostToDevice)); 1258 CeedCallBackend(CeedBasisGetCurl(basis, &curl)); 1259 CeedCallCuda(ceed, cudaMalloc((void **)&d_curl, interp_bytes * q_comp_curl)); 1260 CeedCallCuda(ceed, cudaMemcpy(d_curl, curl, interp_bytes * q_comp_curl, cudaMemcpyHostToDevice)); 1261 if (in) { 1262 diag->d_interp_in = d_interp; 1263 diag->d_curl_in = d_curl; 1264 } else { 1265 diag->d_interp_out = d_interp; 1266 diag->d_curl_out = d_curl; 1267 } 1268 } break; 1269 } 1270 } 1271 1272 // Arrays of eval_modes 1273 CeedCallCuda(ceed, cudaMalloc((void **)&diag->d_eval_modes_in, num_eval_modes_in * eval_modes_bytes)); 1274 CeedCallCuda(ceed, cudaMemcpy(diag->d_eval_modes_in, eval_modes_in, num_eval_modes_in * eval_modes_bytes, cudaMemcpyHostToDevice)); 1275 CeedCallCuda(ceed, cudaMalloc((void **)&diag->d_eval_modes_out, num_eval_modes_out * eval_modes_bytes)); 1276 CeedCallCuda(ceed, cudaMemcpy(diag->d_eval_modes_out, eval_modes_out, num_eval_modes_out * eval_modes_bytes, cudaMemcpyHostToDevice)); 1277 CeedCallBackend(CeedFree(&eval_modes_in)); 1278 CeedCallBackend(CeedFree(&eval_modes_out)); 1279 CeedCallBackend(CeedDestroy(&ceed)); 1280 CeedCallBackend(CeedBasisDestroy(&basis_in)); 1281 CeedCallBackend(CeedBasisDestroy(&basis_out)); 1282 CeedCallBackend(CeedQFunctionDestroy(&qf)); 1283 return CEED_ERROR_SUCCESS; 1284 } 1285 1286 //------------------------------------------------------------------------------ 1287 // Assemble Diagonal Setup (Compilation) 1288 //------------------------------------------------------------------------------ 1289 static inline int CeedOperatorAssembleDiagonalSetupCompile_Cuda(CeedOperator op, CeedInt use_ceedsize_idx, const bool is_point_block) { 1290 Ceed ceed; 1291 CeedInt num_input_fields, num_output_fields, num_eval_modes_in = 0, num_eval_modes_out = 0; 1292 CeedInt num_comp, q_comp, num_nodes, num_qpts; 1293 CeedBasis basis_in = NULL, basis_out = NULL; 1294 CeedQFunctionField *qf_fields; 1295 CeedQFunction qf; 1296 CeedOperatorField *op_fields; 1297 CeedOperator_Cuda *impl; 1298 1299 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1300 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 1301 CeedCallBackend(CeedQFunctionGetNumArgs(qf, &num_input_fields, &num_output_fields)); 1302 1303 // Determine active input basis 1304 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 1305 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 1306 for (CeedInt i = 0; i < num_input_fields; i++) { 1307 CeedVector vec; 1308 1309 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec)); 1310 if (vec == CEED_VECTOR_ACTIVE) { 1311 CeedEvalMode eval_mode; 1312 CeedBasis basis; 1313 1314 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 1315 if (!basis_in) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_in)); 1316 CeedCallBackend(CeedBasisDestroy(&basis)); 1317 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1318 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_in, eval_mode, &q_comp)); 1319 if (eval_mode != CEED_EVAL_WEIGHT) { 1320 num_eval_modes_in += q_comp; 1321 } 1322 } 1323 CeedCallBackend(CeedVectorDestroy(&vec)); 1324 } 1325 1326 // Determine active output basis 1327 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 1328 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 1329 for (CeedInt i = 0; i < num_output_fields; i++) { 1330 CeedVector vec; 1331 1332 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec)); 1333 if (vec == CEED_VECTOR_ACTIVE) { 1334 CeedEvalMode eval_mode; 1335 CeedBasis basis; 1336 1337 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 1338 if (!basis_out) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_out)); 1339 CeedCallBackend(CeedBasisDestroy(&basis)); 1340 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1341 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_out, eval_mode, &q_comp)); 1342 if (eval_mode != CEED_EVAL_WEIGHT) { 1343 num_eval_modes_out += q_comp; 1344 } 1345 } 1346 CeedCallBackend(CeedVectorDestroy(&vec)); 1347 } 1348 1349 // Operator data struct 1350 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1351 CeedOperatorDiag_Cuda *diag = impl->diag; 1352 1353 // Assemble kernel 1354 const char diagonal_kernel_source[] = "// Diagonal assembly source\n#include <ceed/jit-source/cuda/cuda-ref-operator-assemble-diagonal.h>\n"; 1355 CUmodule *module = is_point_block ? &diag->module_point_block : &diag->module; 1356 CeedInt elems_per_block = 1; 1357 1358 CeedCallBackend(CeedBasisGetNumNodes(basis_in, &num_nodes)); 1359 CeedCallBackend(CeedBasisGetNumComponents(basis_in, &num_comp)); 1360 if (basis_in == CEED_BASIS_NONE) num_qpts = num_nodes; 1361 else CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis_in, &num_qpts)); 1362 CeedCallCuda(ceed, CeedCompile_Cuda(ceed, diagonal_kernel_source, module, 8, "NUM_EVAL_MODES_IN", num_eval_modes_in, "NUM_EVAL_MODES_OUT", 1363 num_eval_modes_out, "NUM_COMP", num_comp, "NUM_NODES", num_nodes, "NUM_QPTS", num_qpts, "USE_CEEDSIZE", 1364 use_ceedsize_idx, "USE_POINT_BLOCK", is_point_block ? 1 : 0, "BLOCK_SIZE", num_nodes * elems_per_block)); 1365 CeedCallCuda(ceed, CeedGetKernel_Cuda(ceed, *module, "LinearDiagonal", is_point_block ? &diag->LinearPointBlock : &diag->LinearDiagonal)); 1366 CeedCallBackend(CeedDestroy(&ceed)); 1367 CeedCallBackend(CeedBasisDestroy(&basis_in)); 1368 CeedCallBackend(CeedBasisDestroy(&basis_out)); 1369 CeedCallBackend(CeedQFunctionDestroy(&qf)); 1370 return CEED_ERROR_SUCCESS; 1371 } 1372 1373 //------------------------------------------------------------------------------ 1374 // Assemble Diagonal Core 1375 //------------------------------------------------------------------------------ 1376 static inline int CeedOperatorAssembleDiagonalCore_Cuda(CeedOperator op, CeedVector assembled, CeedRequest *request, const bool is_point_block) { 1377 Ceed ceed; 1378 CeedInt num_elem, num_nodes; 1379 CeedScalar *elem_diag_array; 1380 const CeedScalar *assembled_qf_array; 1381 CeedVector assembled_qf = NULL, elem_diag; 1382 CeedElemRestriction assembled_rstr = NULL, rstr_in, rstr_out, diag_rstr; 1383 CeedOperator_Cuda *impl; 1384 1385 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1386 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1387 1388 // Assemble QFunction 1389 CeedCallBackend(CeedOperatorLinearAssembleQFunctionBuildOrUpdate(op, &assembled_qf, &assembled_rstr, request)); 1390 CeedCallBackend(CeedElemRestrictionDestroy(&assembled_rstr)); 1391 CeedCallBackend(CeedVectorGetArrayRead(assembled_qf, CEED_MEM_DEVICE, &assembled_qf_array)); 1392 1393 // Setup 1394 if (!impl->diag) CeedCallBackend(CeedOperatorAssembleDiagonalSetup_Cuda(op)); 1395 CeedOperatorDiag_Cuda *diag = impl->diag; 1396 1397 assert(diag != NULL); 1398 1399 // Assemble kernel if needed 1400 if ((!is_point_block && !diag->LinearDiagonal) || (is_point_block && !diag->LinearPointBlock)) { 1401 CeedSize assembled_length, assembled_qf_length; 1402 CeedInt use_ceedsize_idx = 0; 1403 CeedCallBackend(CeedVectorGetLength(assembled, &assembled_length)); 1404 CeedCallBackend(CeedVectorGetLength(assembled_qf, &assembled_qf_length)); 1405 if ((assembled_length > INT_MAX) || (assembled_qf_length > INT_MAX)) use_ceedsize_idx = 1; 1406 1407 CeedCallBackend(CeedOperatorAssembleDiagonalSetupCompile_Cuda(op, use_ceedsize_idx, is_point_block)); 1408 } 1409 1410 // Restriction and diagonal vector 1411 CeedCallBackend(CeedOperatorGetActiveElemRestrictions(op, &rstr_in, &rstr_out)); 1412 CeedCheck(rstr_in == rstr_out, ceed, CEED_ERROR_BACKEND, 1413 "Cannot assemble operator diagonal with different input and output active element restrictions"); 1414 if (!is_point_block && !diag->diag_rstr) { 1415 CeedCallBackend(CeedElemRestrictionCreateUnsignedCopy(rstr_out, &diag->diag_rstr)); 1416 CeedCallBackend(CeedElemRestrictionCreateVector(diag->diag_rstr, NULL, &diag->elem_diag)); 1417 } else if (is_point_block && !diag->point_block_diag_rstr) { 1418 CeedCallBackend(CeedOperatorCreateActivePointBlockRestriction(rstr_out, &diag->point_block_diag_rstr)); 1419 CeedCallBackend(CeedElemRestrictionCreateVector(diag->point_block_diag_rstr, NULL, &diag->point_block_elem_diag)); 1420 } 1421 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_in)); 1422 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_out)); 1423 diag_rstr = is_point_block ? diag->point_block_diag_rstr : diag->diag_rstr; 1424 elem_diag = is_point_block ? diag->point_block_elem_diag : diag->elem_diag; 1425 CeedCallBackend(CeedVectorSetValue(elem_diag, 0.0)); 1426 1427 // Only assemble diagonal if the basis has nodes, otherwise inputs are null pointers 1428 CeedCallBackend(CeedElemRestrictionGetElementSize(diag_rstr, &num_nodes)); 1429 if (num_nodes > 0) { 1430 // Assemble element operator diagonals 1431 CeedCallBackend(CeedElemRestrictionGetNumElements(diag_rstr, &num_elem)); 1432 CeedCallBackend(CeedVectorGetArray(elem_diag, CEED_MEM_DEVICE, &elem_diag_array)); 1433 1434 // Compute the diagonal of B^T D B 1435 CeedInt elems_per_block = 1; 1436 CeedInt grid = CeedDivUpInt(num_elem, elems_per_block); 1437 void *args[] = {(void *)&num_elem, &diag->d_identity, &diag->d_interp_in, &diag->d_grad_in, &diag->d_div_in, 1438 &diag->d_curl_in, &diag->d_interp_out, &diag->d_grad_out, &diag->d_div_out, &diag->d_curl_out, 1439 &diag->d_eval_modes_in, &diag->d_eval_modes_out, &assembled_qf_array, &elem_diag_array}; 1440 1441 if (is_point_block) { 1442 CeedCallBackend(CeedRunKernelDim_Cuda(ceed, diag->LinearPointBlock, grid, num_nodes, 1, elems_per_block, args)); 1443 } else { 1444 CeedCallBackend(CeedRunKernelDim_Cuda(ceed, diag->LinearDiagonal, grid, num_nodes, 1, elems_per_block, args)); 1445 } 1446 1447 // Restore arrays 1448 CeedCallBackend(CeedVectorRestoreArray(elem_diag, &elem_diag_array)); 1449 CeedCallBackend(CeedVectorRestoreArrayRead(assembled_qf, &assembled_qf_array)); 1450 } 1451 1452 // Assemble local operator diagonal 1453 CeedCallBackend(CeedElemRestrictionApply(diag_rstr, CEED_TRANSPOSE, elem_diag, assembled, request)); 1454 1455 // Cleanup 1456 CeedCallBackend(CeedDestroy(&ceed)); 1457 CeedCallBackend(CeedVectorDestroy(&assembled_qf)); 1458 return CEED_ERROR_SUCCESS; 1459 } 1460 1461 //------------------------------------------------------------------------------ 1462 // Assemble Linear Diagonal 1463 //------------------------------------------------------------------------------ 1464 static int CeedOperatorLinearAssembleAddDiagonal_Cuda(CeedOperator op, CeedVector assembled, CeedRequest *request) { 1465 CeedCallBackend(CeedOperatorAssembleDiagonalCore_Cuda(op, assembled, request, false)); 1466 return CEED_ERROR_SUCCESS; 1467 } 1468 1469 //------------------------------------------------------------------------------ 1470 // Assemble Linear Point Block Diagonal 1471 //------------------------------------------------------------------------------ 1472 static int CeedOperatorLinearAssembleAddPointBlockDiagonal_Cuda(CeedOperator op, CeedVector assembled, CeedRequest *request) { 1473 CeedCallBackend(CeedOperatorAssembleDiagonalCore_Cuda(op, assembled, request, true)); 1474 return CEED_ERROR_SUCCESS; 1475 } 1476 1477 //------------------------------------------------------------------------------ 1478 // Single Operator Assembly Setup 1479 //------------------------------------------------------------------------------ 1480 static int CeedSingleOperatorAssembleSetup_Cuda(CeedOperator op, CeedInt use_ceedsize_idx) { 1481 Ceed ceed; 1482 Ceed_Cuda *cuda_data; 1483 CeedInt num_input_fields, num_output_fields, num_eval_modes_in = 0, num_eval_modes_out = 0; 1484 CeedInt elem_size_in, num_qpts_in = 0, num_comp_in, elem_size_out, num_qpts_out, num_comp_out, q_comp; 1485 CeedEvalMode *eval_modes_in = NULL, *eval_modes_out = NULL; 1486 CeedElemRestriction rstr_in = NULL, rstr_out = NULL; 1487 CeedBasis basis_in = NULL, basis_out = NULL; 1488 CeedQFunctionField *qf_fields; 1489 CeedQFunction qf; 1490 CeedOperatorField *input_fields, *output_fields; 1491 CeedOperator_Cuda *impl; 1492 1493 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1494 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1495 1496 // Get intput and output fields 1497 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &input_fields, &num_output_fields, &output_fields)); 1498 1499 // Determine active input basis eval mode 1500 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 1501 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 1502 for (CeedInt i = 0; i < num_input_fields; i++) { 1503 CeedVector vec; 1504 1505 CeedCallBackend(CeedOperatorFieldGetVector(input_fields[i], &vec)); 1506 if (vec == CEED_VECTOR_ACTIVE) { 1507 CeedEvalMode eval_mode; 1508 CeedElemRestriction elem_rstr; 1509 CeedBasis basis; 1510 1511 CeedCallBackend(CeedOperatorFieldGetBasis(input_fields[i], &basis)); 1512 CeedCheck(!basis_in || basis_in == basis, ceed, CEED_ERROR_BACKEND, "Backend does not implement operator assembly with multiple active bases"); 1513 if (!basis_in) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_in)); 1514 CeedCallBackend(CeedBasisDestroy(&basis)); 1515 CeedCallBackend(CeedOperatorFieldGetElemRestriction(input_fields[i], &elem_rstr)); 1516 if (!rstr_in) CeedCallBackend(CeedElemRestrictionReferenceCopy(elem_rstr, &rstr_in)); 1517 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 1518 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr_in, &elem_size_in)); 1519 if (basis_in == CEED_BASIS_NONE) num_qpts_in = elem_size_in; 1520 else CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis_in, &num_qpts_in)); 1521 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1522 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_in, eval_mode, &q_comp)); 1523 if (eval_mode != CEED_EVAL_WEIGHT) { 1524 // q_comp = 1 if CEED_EVAL_NONE, CEED_EVAL_WEIGHT caught by QF Assembly 1525 CeedCallBackend(CeedRealloc(num_eval_modes_in + q_comp, &eval_modes_in)); 1526 for (CeedInt d = 0; d < q_comp; d++) { 1527 eval_modes_in[num_eval_modes_in + d] = eval_mode; 1528 } 1529 num_eval_modes_in += q_comp; 1530 } 1531 } 1532 CeedCallBackend(CeedVectorDestroy(&vec)); 1533 } 1534 1535 // Determine active output basis; basis_out and rstr_out only used if same as input, TODO 1536 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 1537 for (CeedInt i = 0; i < num_output_fields; i++) { 1538 CeedVector vec; 1539 1540 CeedCallBackend(CeedOperatorFieldGetVector(output_fields[i], &vec)); 1541 if (vec == CEED_VECTOR_ACTIVE) { 1542 CeedEvalMode eval_mode; 1543 CeedElemRestriction elem_rstr; 1544 CeedBasis basis; 1545 1546 CeedCallBackend(CeedOperatorFieldGetBasis(output_fields[i], &basis)); 1547 CeedCheck(!basis_out || basis_out == basis, ceed, CEED_ERROR_BACKEND, 1548 "Backend does not implement operator assembly with multiple active bases"); 1549 if (!basis_out) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_out)); 1550 CeedCallBackend(CeedBasisDestroy(&basis)); 1551 CeedCallBackend(CeedOperatorFieldGetElemRestriction(output_fields[i], &elem_rstr)); 1552 if (!rstr_out) CeedCallBackend(CeedElemRestrictionReferenceCopy(elem_rstr, &rstr_out)); 1553 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 1554 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr_out, &elem_size_out)); 1555 if (basis_out == CEED_BASIS_NONE) num_qpts_out = elem_size_out; 1556 else CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis_out, &num_qpts_out)); 1557 CeedCheck(num_qpts_in == num_qpts_out, ceed, CEED_ERROR_UNSUPPORTED, 1558 "Active input and output bases must have the same number of quadrature points"); 1559 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1560 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_out, eval_mode, &q_comp)); 1561 if (eval_mode != CEED_EVAL_WEIGHT) { 1562 // q_comp = 1 if CEED_EVAL_NONE, CEED_EVAL_WEIGHT caught by QF Assembly 1563 CeedCallBackend(CeedRealloc(num_eval_modes_out + q_comp, &eval_modes_out)); 1564 for (CeedInt d = 0; d < q_comp; d++) { 1565 eval_modes_out[num_eval_modes_out + d] = eval_mode; 1566 } 1567 num_eval_modes_out += q_comp; 1568 } 1569 } 1570 CeedCallBackend(CeedVectorDestroy(&vec)); 1571 } 1572 CeedCheck(num_eval_modes_in > 0 && num_eval_modes_out > 0, ceed, CEED_ERROR_UNSUPPORTED, "Cannot assemble operator without inputs/outputs"); 1573 1574 CeedCallBackend(CeedCalloc(1, &impl->asmb)); 1575 CeedOperatorAssemble_Cuda *asmb = impl->asmb; 1576 asmb->elems_per_block = 1; 1577 asmb->block_size_x = elem_size_in; 1578 asmb->block_size_y = elem_size_out; 1579 1580 CeedCallBackend(CeedGetData(ceed, &cuda_data)); 1581 bool fallback = asmb->block_size_x * asmb->block_size_y * asmb->elems_per_block > cuda_data->device_prop.maxThreadsPerBlock; 1582 1583 if (fallback) { 1584 // Use fallback kernel with 1D threadblock 1585 asmb->block_size_y = 1; 1586 } 1587 1588 // Compile kernels 1589 const char assembly_kernel_source[] = "// Full assembly source\n#include <ceed/jit-source/cuda/cuda-ref-operator-assemble.h>\n"; 1590 1591 CeedCallBackend(CeedElemRestrictionGetNumComponents(rstr_in, &num_comp_in)); 1592 CeedCallBackend(CeedElemRestrictionGetNumComponents(rstr_out, &num_comp_out)); 1593 CeedCallBackend(CeedCompile_Cuda(ceed, assembly_kernel_source, &asmb->module, 10, "NUM_EVAL_MODES_IN", num_eval_modes_in, "NUM_EVAL_MODES_OUT", 1594 num_eval_modes_out, "NUM_COMP_IN", num_comp_in, "NUM_COMP_OUT", num_comp_out, "NUM_NODES_IN", elem_size_in, 1595 "NUM_NODES_OUT", elem_size_out, "NUM_QPTS", num_qpts_in, "BLOCK_SIZE", 1596 asmb->block_size_x * asmb->block_size_y * asmb->elems_per_block, "BLOCK_SIZE_Y", asmb->block_size_y, 1597 "USE_CEEDSIZE", use_ceedsize_idx)); 1598 CeedCallBackend(CeedGetKernel_Cuda(ceed, asmb->module, "LinearAssemble", &asmb->LinearAssemble)); 1599 1600 // Load into B_in, in order that they will be used in eval_modes_in 1601 { 1602 const CeedInt in_bytes = elem_size_in * num_qpts_in * num_eval_modes_in * sizeof(CeedScalar); 1603 CeedInt d_in = 0; 1604 CeedEvalMode eval_modes_in_prev = CEED_EVAL_NONE; 1605 bool has_eval_none = false; 1606 CeedScalar *identity = NULL; 1607 1608 for (CeedInt i = 0; i < num_eval_modes_in; i++) { 1609 has_eval_none = has_eval_none || (eval_modes_in[i] == CEED_EVAL_NONE); 1610 } 1611 if (has_eval_none) { 1612 CeedCallBackend(CeedCalloc(elem_size_in * num_qpts_in, &identity)); 1613 for (CeedInt i = 0; i < (elem_size_in < num_qpts_in ? elem_size_in : num_qpts_in); i++) identity[i * elem_size_in + i] = 1.0; 1614 } 1615 1616 CeedCallCuda(ceed, cudaMalloc((void **)&asmb->d_B_in, in_bytes)); 1617 for (CeedInt i = 0; i < num_eval_modes_in; i++) { 1618 const CeedScalar *h_B_in; 1619 1620 CeedCallBackend(CeedOperatorGetBasisPointer(basis_in, eval_modes_in[i], identity, &h_B_in)); 1621 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_in, eval_modes_in[i], &q_comp)); 1622 if (q_comp > 1) { 1623 if (i == 0 || eval_modes_in[i] != eval_modes_in_prev) d_in = 0; 1624 else h_B_in = &h_B_in[(++d_in) * elem_size_in * num_qpts_in]; 1625 } 1626 eval_modes_in_prev = eval_modes_in[i]; 1627 1628 CeedCallCuda(ceed, cudaMemcpy(&asmb->d_B_in[i * elem_size_in * num_qpts_in], h_B_in, elem_size_in * num_qpts_in * sizeof(CeedScalar), 1629 cudaMemcpyHostToDevice)); 1630 } 1631 CeedCallBackend(CeedFree(&identity)); 1632 } 1633 CeedCallBackend(CeedFree(&eval_modes_in)); 1634 1635 // Load into B_out, in order that they will be used in eval_modes_out 1636 { 1637 const CeedInt out_bytes = elem_size_out * num_qpts_out * num_eval_modes_out * sizeof(CeedScalar); 1638 CeedInt d_out = 0; 1639 CeedEvalMode eval_modes_out_prev = CEED_EVAL_NONE; 1640 bool has_eval_none = false; 1641 CeedScalar *identity = NULL; 1642 1643 for (CeedInt i = 0; i < num_eval_modes_out; i++) { 1644 has_eval_none = has_eval_none || (eval_modes_out[i] == CEED_EVAL_NONE); 1645 } 1646 if (has_eval_none) { 1647 CeedCallBackend(CeedCalloc(elem_size_out * num_qpts_out, &identity)); 1648 for (CeedInt i = 0; i < (elem_size_out < num_qpts_out ? elem_size_out : num_qpts_out); i++) identity[i * elem_size_out + i] = 1.0; 1649 } 1650 1651 CeedCallCuda(ceed, cudaMalloc((void **)&asmb->d_B_out, out_bytes)); 1652 for (CeedInt i = 0; i < num_eval_modes_out; i++) { 1653 const CeedScalar *h_B_out; 1654 1655 CeedCallBackend(CeedOperatorGetBasisPointer(basis_out, eval_modes_out[i], identity, &h_B_out)); 1656 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_out, eval_modes_out[i], &q_comp)); 1657 if (q_comp > 1) { 1658 if (i == 0 || eval_modes_out[i] != eval_modes_out_prev) d_out = 0; 1659 else h_B_out = &h_B_out[(++d_out) * elem_size_out * num_qpts_out]; 1660 } 1661 eval_modes_out_prev = eval_modes_out[i]; 1662 1663 CeedCallCuda(ceed, cudaMemcpy(&asmb->d_B_out[i * elem_size_out * num_qpts_out], h_B_out, elem_size_out * num_qpts_out * sizeof(CeedScalar), 1664 cudaMemcpyHostToDevice)); 1665 } 1666 CeedCallBackend(CeedFree(&identity)); 1667 } 1668 CeedCallBackend(CeedFree(&eval_modes_out)); 1669 CeedCallBackend(CeedDestroy(&ceed)); 1670 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_in)); 1671 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_out)); 1672 CeedCallBackend(CeedBasisDestroy(&basis_in)); 1673 CeedCallBackend(CeedBasisDestroy(&basis_out)); 1674 CeedCallBackend(CeedQFunctionDestroy(&qf)); 1675 return CEED_ERROR_SUCCESS; 1676 } 1677 1678 //------------------------------------------------------------------------------ 1679 // Assemble matrix data for COO matrix of assembled operator. 1680 // The sparsity pattern is set by CeedOperatorLinearAssembleSymbolic. 1681 // 1682 // Note that this (and other assembly routines) currently assume only one active input restriction/basis per operator 1683 // (could have multiple basis eval modes). 1684 // TODO: allow multiple active input restrictions/basis objects 1685 //------------------------------------------------------------------------------ 1686 static int CeedSingleOperatorAssemble_Cuda(CeedOperator op, CeedInt offset, CeedVector values) { 1687 Ceed ceed; 1688 CeedSize values_length = 0, assembled_qf_length = 0; 1689 CeedInt use_ceedsize_idx = 0, num_elem_in, num_elem_out, elem_size_in, elem_size_out; 1690 CeedScalar *values_array; 1691 const CeedScalar *assembled_qf_array; 1692 CeedVector assembled_qf = NULL; 1693 CeedElemRestriction assembled_rstr = NULL, rstr_in, rstr_out; 1694 CeedRestrictionType rstr_type_in, rstr_type_out; 1695 const bool *orients_in = NULL, *orients_out = NULL; 1696 const CeedInt8 *curl_orients_in = NULL, *curl_orients_out = NULL; 1697 CeedOperator_Cuda *impl; 1698 1699 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1700 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1701 1702 // Assemble QFunction 1703 CeedCallBackend(CeedOperatorLinearAssembleQFunctionBuildOrUpdate(op, &assembled_qf, &assembled_rstr, CEED_REQUEST_IMMEDIATE)); 1704 CeedCallBackend(CeedElemRestrictionDestroy(&assembled_rstr)); 1705 CeedCallBackend(CeedVectorGetArrayRead(assembled_qf, CEED_MEM_DEVICE, &assembled_qf_array)); 1706 1707 CeedCallBackend(CeedVectorGetLength(values, &values_length)); 1708 CeedCallBackend(CeedVectorGetLength(assembled_qf, &assembled_qf_length)); 1709 if ((values_length > INT_MAX) || (assembled_qf_length > INT_MAX)) use_ceedsize_idx = 1; 1710 1711 // Setup 1712 if (!impl->asmb) CeedCallBackend(CeedSingleOperatorAssembleSetup_Cuda(op, use_ceedsize_idx)); 1713 CeedOperatorAssemble_Cuda *asmb = impl->asmb; 1714 1715 assert(asmb != NULL); 1716 1717 // Assemble element operator 1718 CeedCallBackend(CeedVectorGetArray(values, CEED_MEM_DEVICE, &values_array)); 1719 values_array += offset; 1720 1721 CeedCallBackend(CeedOperatorGetActiveElemRestrictions(op, &rstr_in, &rstr_out)); 1722 CeedCallBackend(CeedElemRestrictionGetNumElements(rstr_in, &num_elem_in)); 1723 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr_in, &elem_size_in)); 1724 1725 CeedCallBackend(CeedElemRestrictionGetType(rstr_in, &rstr_type_in)); 1726 if (rstr_type_in == CEED_RESTRICTION_ORIENTED) { 1727 CeedCallBackend(CeedElemRestrictionGetOrientations(rstr_in, CEED_MEM_DEVICE, &orients_in)); 1728 } else if (rstr_type_in == CEED_RESTRICTION_CURL_ORIENTED) { 1729 CeedCallBackend(CeedElemRestrictionGetCurlOrientations(rstr_in, CEED_MEM_DEVICE, &curl_orients_in)); 1730 } 1731 1732 if (rstr_in != rstr_out) { 1733 CeedCallBackend(CeedElemRestrictionGetNumElements(rstr_out, &num_elem_out)); 1734 CeedCheck(num_elem_in == num_elem_out, ceed, CEED_ERROR_UNSUPPORTED, 1735 "Active input and output operator restrictions must have the same number of elements"); 1736 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr_out, &elem_size_out)); 1737 1738 CeedCallBackend(CeedElemRestrictionGetType(rstr_out, &rstr_type_out)); 1739 if (rstr_type_out == CEED_RESTRICTION_ORIENTED) { 1740 CeedCallBackend(CeedElemRestrictionGetOrientations(rstr_out, CEED_MEM_DEVICE, &orients_out)); 1741 } else if (rstr_type_out == CEED_RESTRICTION_CURL_ORIENTED) { 1742 CeedCallBackend(CeedElemRestrictionGetCurlOrientations(rstr_out, CEED_MEM_DEVICE, &curl_orients_out)); 1743 } 1744 } else { 1745 elem_size_out = elem_size_in; 1746 orients_out = orients_in; 1747 curl_orients_out = curl_orients_in; 1748 } 1749 1750 // Compute B^T D B 1751 CeedInt shared_mem = 1752 ((curl_orients_in || curl_orients_out ? elem_size_in * elem_size_out : 0) + (curl_orients_in ? elem_size_in * asmb->block_size_y : 0)) * 1753 sizeof(CeedScalar); 1754 CeedInt grid = CeedDivUpInt(num_elem_in, asmb->elems_per_block); 1755 void *args[] = {(void *)&num_elem_in, &asmb->d_B_in, &asmb->d_B_out, &orients_in, &curl_orients_in, 1756 &orients_out, &curl_orients_out, &assembled_qf_array, &values_array}; 1757 1758 CeedCallBackend(CeedRunKernelDimShared_Cuda(ceed, asmb->LinearAssemble, NULL, grid, asmb->block_size_x, asmb->block_size_y, asmb->elems_per_block, 1759 shared_mem, args)); 1760 1761 // Restore arrays 1762 CeedCallBackend(CeedVectorRestoreArray(values, &values_array)); 1763 CeedCallBackend(CeedVectorRestoreArrayRead(assembled_qf, &assembled_qf_array)); 1764 1765 // Cleanup 1766 CeedCallBackend(CeedVectorDestroy(&assembled_qf)); 1767 if (rstr_type_in == CEED_RESTRICTION_ORIENTED) { 1768 CeedCallBackend(CeedElemRestrictionRestoreOrientations(rstr_in, &orients_in)); 1769 } else if (rstr_type_in == CEED_RESTRICTION_CURL_ORIENTED) { 1770 CeedCallBackend(CeedElemRestrictionRestoreCurlOrientations(rstr_in, &curl_orients_in)); 1771 } 1772 if (rstr_in != rstr_out) { 1773 if (rstr_type_out == CEED_RESTRICTION_ORIENTED) { 1774 CeedCallBackend(CeedElemRestrictionRestoreOrientations(rstr_out, &orients_out)); 1775 } else if (rstr_type_out == CEED_RESTRICTION_CURL_ORIENTED) { 1776 CeedCallBackend(CeedElemRestrictionRestoreCurlOrientations(rstr_out, &curl_orients_out)); 1777 } 1778 } 1779 CeedCallBackend(CeedDestroy(&ceed)); 1780 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_in)); 1781 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_out)); 1782 return CEED_ERROR_SUCCESS; 1783 } 1784 1785 //------------------------------------------------------------------------------ 1786 // Assemble Linear QFunction AtPoints 1787 //------------------------------------------------------------------------------ 1788 static int CeedOperatorLinearAssembleQFunctionAtPoints_Cuda(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 1789 return CeedError(CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "Backend does not implement CeedOperatorLinearAssembleQFunction"); 1790 } 1791 1792 //------------------------------------------------------------------------------ 1793 // Assemble Linear Diagonal AtPoints 1794 //------------------------------------------------------------------------------ 1795 static int CeedOperatorLinearAssembleAddDiagonalAtPoints_Cuda(CeedOperator op, CeedVector assembled, CeedRequest *request) { 1796 CeedInt max_num_points, *num_points, num_elem, num_input_fields, num_output_fields; 1797 Ceed ceed; 1798 CeedVector active_e_vec_in, active_e_vec_out; 1799 CeedQFunctionField *qf_input_fields, *qf_output_fields; 1800 CeedQFunction qf; 1801 CeedOperatorField *op_input_fields, *op_output_fields; 1802 CeedOperator_Cuda *impl; 1803 1804 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1805 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1806 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 1807 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 1808 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 1809 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 1810 1811 // Setup 1812 CeedCallBackend(CeedOperatorSetupAtPoints_Cuda(op)); 1813 num_points = impl->num_points; 1814 max_num_points = impl->max_num_points; 1815 1816 // Work vector 1817 CeedCallBackend(CeedGetWorkVector(ceed, impl->max_active_e_vec_len, &active_e_vec_in)); 1818 CeedCallBackend(CeedGetWorkVector(ceed, impl->max_active_e_vec_len, &active_e_vec_out)); 1819 { 1820 CeedSize length_in, length_out; 1821 1822 CeedCallBackend(CeedVectorGetLength(active_e_vec_in, &length_in)); 1823 CeedCallBackend(CeedVectorGetLength(active_e_vec_out, &length_out)); 1824 // Need input e_vec to be longer 1825 if (length_in < length_out) { 1826 CeedVector temp = active_e_vec_in; 1827 1828 active_e_vec_in = active_e_vec_out; 1829 active_e_vec_out = temp; 1830 } 1831 } 1832 1833 // Get point coordinates 1834 if (!impl->point_coords_elem) { 1835 CeedVector point_coords = NULL; 1836 CeedElemRestriction rstr_points = NULL; 1837 1838 CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, &point_coords)); 1839 CeedCallBackend(CeedElemRestrictionCreateVector(rstr_points, NULL, &impl->point_coords_elem)); 1840 CeedCallBackend(CeedElemRestrictionApply(rstr_points, CEED_NOTRANSPOSE, point_coords, impl->point_coords_elem, request)); 1841 CeedCallBackend(CeedVectorDestroy(&point_coords)); 1842 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); 1843 } 1844 1845 // Process inputs 1846 for (CeedInt i = 0; i < num_input_fields; i++) { 1847 CeedCallBackend(CeedOperatorInputRestrict_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, true, impl, request)); 1848 CeedCallBackend(CeedOperatorInputBasisAtPoints_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, num_elem, num_points, true, impl)); 1849 } 1850 1851 // Clear active input Qvecs 1852 for (CeedInt i = 0; i < num_input_fields; i++) { 1853 bool is_active = false; 1854 CeedVector l_vec; 1855 1856 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &l_vec)); 1857 is_active = l_vec == CEED_VECTOR_ACTIVE; 1858 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1859 if (!is_active) continue; 1860 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 1861 } 1862 1863 // Output pointers, as necessary 1864 for (CeedInt i = 0; i < num_output_fields; i++) { 1865 CeedEvalMode eval_mode; 1866 1867 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 1868 if (eval_mode == CEED_EVAL_NONE) { 1869 CeedScalar *e_vec_array; 1870 1871 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 1872 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, CEED_USE_POINTER, e_vec_array)); 1873 } 1874 } 1875 1876 // Loop over active fields 1877 for (CeedInt i = 0; i < num_input_fields; i++) { 1878 bool is_active = false, is_active_at_points = true; 1879 CeedInt elem_size = 1, num_comp_active = 1, e_vec_size = 0; 1880 CeedRestrictionType rstr_type; 1881 CeedVector l_vec; 1882 CeedElemRestriction elem_rstr; 1883 1884 // -- Skip non-active input 1885 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &l_vec)); 1886 is_active = l_vec == CEED_VECTOR_ACTIVE; 1887 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1888 if (!is_active) continue; 1889 1890 // -- Get active restriction type 1891 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); 1892 CeedCallBackend(CeedElemRestrictionGetType(elem_rstr, &rstr_type)); 1893 is_active_at_points = rstr_type == CEED_RESTRICTION_POINTS; 1894 if (!is_active_at_points) CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 1895 else elem_size = max_num_points; 1896 CeedCallBackend(CeedElemRestrictionGetNumComponents(elem_rstr, &num_comp_active)); 1897 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 1898 1899 e_vec_size = elem_size * num_comp_active; 1900 for (CeedInt s = 0; s < e_vec_size; s++) { 1901 bool is_active = false; 1902 CeedEvalMode eval_mode; 1903 CeedVector l_vec, q_vec = impl->q_vecs_in[i]; 1904 1905 // Skip non-active input 1906 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &l_vec)); 1907 is_active = l_vec == CEED_VECTOR_ACTIVE; 1908 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1909 if (!is_active) continue; 1910 1911 // Update unit vector 1912 { 1913 // Note: E-vec strides are node * (1) + comp * (elem_size * num_elem) + elem * (elem_size) 1914 CeedInt node = (s - 1) % elem_size, comp = (s - 1) / elem_size; 1915 CeedSize start = node * 1 + comp * (elem_size * num_elem); 1916 CeedSize stop = (comp + 1) * (elem_size * num_elem); 1917 1918 if (s == 0) CeedCallBackend(CeedVectorSetValue(active_e_vec_in, 0.0)); 1919 else CeedCallBackend(CeedVectorSetValueStrided(active_e_vec_in, start, stop, elem_size, 0.0)); 1920 1921 node = s % elem_size, comp = s / elem_size; 1922 start = node * 1 + comp * (elem_size * num_elem); 1923 stop = (comp + 1) * (elem_size * num_elem); 1924 CeedCallBackend(CeedVectorSetValueStrided(active_e_vec_in, start, stop, elem_size, 1.0)); 1925 } 1926 1927 // Basis action 1928 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 1929 switch (eval_mode) { 1930 case CEED_EVAL_NONE: { 1931 const CeedScalar *e_vec_array; 1932 1933 CeedCallBackend(CeedVectorGetArrayRead(active_e_vec_in, CEED_MEM_DEVICE, &e_vec_array)); 1934 CeedCallBackend(CeedVectorSetArray(q_vec, CEED_MEM_DEVICE, CEED_USE_POINTER, (CeedScalar *)e_vec_array)); 1935 break; 1936 } 1937 case CEED_EVAL_INTERP: 1938 case CEED_EVAL_GRAD: 1939 case CEED_EVAL_DIV: 1940 case CEED_EVAL_CURL: { 1941 CeedBasis basis; 1942 1943 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 1944 CeedCallBackend( 1945 CeedBasisApplyAtPoints(basis, num_elem, num_points, CEED_NOTRANSPOSE, eval_mode, impl->point_coords_elem, active_e_vec_in, q_vec)); 1946 CeedCallBackend(CeedBasisDestroy(&basis)); 1947 break; 1948 } 1949 case CEED_EVAL_WEIGHT: 1950 break; // No action 1951 } 1952 1953 // Q function 1954 CeedCallBackend(CeedQFunctionApply(qf, num_elem * max_num_points, impl->q_vecs_in, impl->q_vecs_out)); 1955 1956 // Output basis apply if needed 1957 for (CeedInt j = 0; j < num_output_fields; j++) { 1958 bool is_active = false; 1959 CeedInt elem_size = 0; 1960 CeedRestrictionType rstr_type; 1961 CeedEvalMode eval_mode; 1962 CeedVector l_vec, e_vec = impl->e_vecs_out[j], q_vec = impl->q_vecs_out[j]; 1963 CeedElemRestriction elem_rstr; 1964 1965 // ---- Skip non-active output 1966 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[j], &l_vec)); 1967 is_active = l_vec == CEED_VECTOR_ACTIVE; 1968 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1969 if (!is_active) continue; 1970 if (!e_vec) e_vec = active_e_vec_out; 1971 1972 // ---- Check if elem size matches 1973 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[j], &elem_rstr)); 1974 CeedCallBackend(CeedElemRestrictionGetType(elem_rstr, &rstr_type)); 1975 if (is_active_at_points && rstr_type != CEED_RESTRICTION_POINTS) continue; 1976 if (rstr_type == CEED_RESTRICTION_POINTS) { 1977 CeedCallBackend(CeedElemRestrictionGetMaxPointsInElement(elem_rstr, &elem_size)); 1978 } else { 1979 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 1980 } 1981 { 1982 CeedInt num_comp = 0; 1983 1984 CeedCallBackend(CeedElemRestrictionGetNumComponents(elem_rstr, &num_comp)); 1985 if (e_vec_size != num_comp * elem_size) continue; 1986 } 1987 1988 // Basis action 1989 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[j], &eval_mode)); 1990 switch (eval_mode) { 1991 case CEED_EVAL_NONE: { 1992 CeedScalar *e_vec_array; 1993 1994 CeedCallBackend(CeedVectorTakeArray(q_vec, CEED_MEM_DEVICE, &e_vec_array)); 1995 CeedCallBackend(CeedVectorRestoreArray(e_vec, &e_vec_array)); 1996 break; 1997 } 1998 case CEED_EVAL_INTERP: 1999 case CEED_EVAL_GRAD: 2000 case CEED_EVAL_DIV: 2001 case CEED_EVAL_CURL: { 2002 CeedBasis basis; 2003 2004 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[j], &basis)); 2005 CeedCallBackend(CeedBasisApplyAtPoints(basis, num_elem, num_points, CEED_TRANSPOSE, eval_mode, impl->point_coords_elem, q_vec, e_vec)); 2006 CeedCallBackend(CeedBasisDestroy(&basis)); 2007 break; 2008 } 2009 // LCOV_EXCL_START 2010 case CEED_EVAL_WEIGHT: { 2011 return CeedError(CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 2012 // LCOV_EXCL_STOP 2013 } 2014 } 2015 2016 // Mask output e-vec 2017 CeedCallBackend(CeedVectorPointwiseMult(e_vec, active_e_vec_in, e_vec)); 2018 2019 // Restrict 2020 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_TRANSPOSE, e_vec, assembled, request)); 2021 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 2022 2023 // Reset q_vec for 2024 if (eval_mode == CEED_EVAL_NONE) { 2025 CeedScalar *e_vec_array; 2026 2027 CeedCallBackend(CeedVectorGetArrayWrite(e_vec, CEED_MEM_DEVICE, &e_vec_array)); 2028 CeedCallBackend(CeedVectorSetArray(q_vec, CEED_MEM_DEVICE, CEED_USE_POINTER, e_vec_array)); 2029 } 2030 } 2031 2032 // Reset vec 2033 if (s == e_vec_size - 1 && i != num_input_fields - 1) CeedCallBackend(CeedVectorSetValue(q_vec, 0.0)); 2034 } 2035 } 2036 2037 // Restore CEED_EVAL_NONE 2038 for (CeedInt i = 0; i < num_output_fields; i++) { 2039 CeedEvalMode eval_mode; 2040 2041 // Get eval_mode 2042 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 2043 2044 // Restore evec 2045 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 2046 if (eval_mode == CEED_EVAL_NONE) { 2047 CeedScalar *e_vec_array; 2048 2049 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_in[i], CEED_MEM_DEVICE, &e_vec_array)); 2050 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_in[i], &e_vec_array)); 2051 } 2052 } 2053 2054 // Restore input arrays 2055 for (CeedInt i = 0; i < num_input_fields; i++) { 2056 CeedCallBackend(CeedOperatorInputRestore_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, true, impl)); 2057 } 2058 2059 // Restore work vector 2060 CeedCallBackend(CeedRestoreWorkVector(ceed, &active_e_vec_in)); 2061 CeedCallBackend(CeedRestoreWorkVector(ceed, &active_e_vec_out)); 2062 CeedCallBackend(CeedDestroy(&ceed)); 2063 CeedCallBackend(CeedQFunctionDestroy(&qf)); 2064 return CEED_ERROR_SUCCESS; 2065 } 2066 2067 //------------------------------------------------------------------------------ 2068 // Create operator 2069 //------------------------------------------------------------------------------ 2070 int CeedOperatorCreate_Cuda(CeedOperator op) { 2071 Ceed ceed; 2072 CeedOperator_Cuda *impl; 2073 2074 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 2075 CeedCallBackend(CeedCalloc(1, &impl)); 2076 CeedCallBackend(CeedOperatorSetData(op, impl)); 2077 2078 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Cuda)); 2079 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Cuda)); 2080 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleAddDiagonal", CeedOperatorLinearAssembleAddDiagonal_Cuda)); 2081 CeedCallBackend( 2082 CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleAddPointBlockDiagonal", CeedOperatorLinearAssembleAddPointBlockDiagonal_Cuda)); 2083 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleSingle", CeedSingleOperatorAssemble_Cuda)); 2084 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Cuda)); 2085 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Cuda)); 2086 CeedCallBackend(CeedDestroy(&ceed)); 2087 return CEED_ERROR_SUCCESS; 2088 } 2089 2090 //------------------------------------------------------------------------------ 2091 // Create operator AtPoints 2092 //------------------------------------------------------------------------------ 2093 int CeedOperatorCreateAtPoints_Cuda(CeedOperator op) { 2094 Ceed ceed; 2095 CeedOperator_Cuda *impl; 2096 2097 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 2098 CeedCallBackend(CeedCalloc(1, &impl)); 2099 CeedCallBackend(CeedOperatorSetData(op, impl)); 2100 2101 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunctionAtPoints_Cuda)); 2102 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleAddDiagonal", CeedOperatorLinearAssembleAddDiagonalAtPoints_Cuda)); 2103 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAddAtPoints_Cuda)); 2104 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Cuda)); 2105 CeedCallBackend(CeedDestroy(&ceed)); 2106 return CEED_ERROR_SUCCESS; 2107 } 2108 2109 //------------------------------------------------------------------------------ 2110