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