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(CeedElemRestrictionDestroy(&impl->diag->diag_rstr)); 82 CeedCallBackend(CeedElemRestrictionDestroy(&impl->diag->point_block_diag_rstr)); 83 CeedCallBackend(CeedVectorDestroy(&impl->diag->elem_diag)); 84 CeedCallBackend(CeedVectorDestroy(&impl->diag->point_block_elem_diag)); 85 } 86 CeedCallBackend(CeedFree(&impl->diag)); 87 88 if (impl->asmb) { 89 Ceed ceed; 90 91 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 92 CeedCallCuda(ceed, cuModuleUnload(impl->asmb->module)); 93 CeedCallCuda(ceed, cudaFree(impl->asmb->d_B_in)); 94 CeedCallCuda(ceed, cudaFree(impl->asmb->d_B_out)); 95 } 96 CeedCallBackend(CeedFree(&impl->asmb)); 97 98 CeedCallBackend(CeedFree(&impl)); 99 return CEED_ERROR_SUCCESS; 100 } 101 102 //------------------------------------------------------------------------------ 103 // Setup infields or outfields 104 //------------------------------------------------------------------------------ 105 static int CeedOperatorSetupFields_Cuda(CeedQFunction qf, CeedOperator op, bool is_input, bool is_at_points, bool *skip_rstr, bool *apply_add_basis, 106 CeedVector *e_vecs, CeedVector *q_vecs, CeedInt num_fields, CeedInt Q, CeedInt num_elem) { 107 Ceed ceed; 108 CeedQFunctionField *qf_fields; 109 CeedOperatorField *op_fields; 110 111 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 112 if (is_input) { 113 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 114 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 115 } else { 116 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 117 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 118 } 119 120 // Loop over fields 121 for (CeedInt i = 0; i < num_fields; i++) { 122 bool is_active = false, is_strided = false, skip_e_vec = false; 123 CeedSize q_size; 124 CeedInt size; 125 CeedEvalMode eval_mode; 126 CeedVector l_vec; 127 CeedElemRestriction elem_rstr; 128 129 // Check whether this field can skip the element restriction: 130 // Input CEED_VECTOR_ACTIVE 131 // Output CEED_VECTOR_ACTIVE without CEED_EVAL_NONE 132 // Input CEED_VECTOR_NONE with CEED_EVAL_WEIGHT 133 // Input passive vectorr with CEED_EVAL_NONE and strided restriction with CEED_STRIDES_BACKEND 134 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &l_vec)); 135 is_active = l_vec == CEED_VECTOR_ACTIVE; 136 CeedCallBackend(CeedVectorDestroy(&l_vec)); 137 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &elem_rstr)); 138 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 139 skip_e_vec = (is_input && is_active) || (is_active && eval_mode != CEED_EVAL_NONE) || (eval_mode == CEED_EVAL_WEIGHT); 140 if (!skip_e_vec && is_input && !is_active && eval_mode == CEED_EVAL_NONE) { 141 CeedCallBackend(CeedElemRestrictionIsStrided(elem_rstr, &is_strided)); 142 if (is_strided) CeedCallBackend(CeedElemRestrictionHasBackendStrides(elem_rstr, &skip_e_vec)); 143 } 144 if (skip_e_vec) { 145 e_vecs[i] = NULL; 146 } else { 147 CeedCallBackend(CeedElemRestrictionCreateVector(elem_rstr, NULL, &e_vecs[i])); 148 } 149 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 150 151 switch (eval_mode) { 152 case CEED_EVAL_NONE: 153 case CEED_EVAL_INTERP: 154 case CEED_EVAL_GRAD: 155 case CEED_EVAL_DIV: 156 case CEED_EVAL_CURL: 157 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 158 q_size = (CeedSize)num_elem * (CeedSize)Q * (CeedSize)size; 159 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 160 break; 161 case CEED_EVAL_WEIGHT: { 162 CeedBasis basis; 163 164 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 165 q_size = (CeedSize)num_elem * (CeedSize)Q; 166 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 167 if (is_at_points) { 168 CeedInt num_points[num_elem]; 169 170 for (CeedInt i = 0; i < num_elem; i++) num_points[i] = Q; 171 CeedCallBackend( 172 CeedBasisApplyAtPoints(basis, num_elem, num_points, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, CEED_VECTOR_NONE, q_vecs[i])); 173 } else { 174 CeedCallBackend(CeedBasisApply(basis, num_elem, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 175 } 176 CeedCallBackend(CeedBasisDestroy(&basis)); 177 break; 178 } 179 } 180 } 181 // Drop duplicate restrictions 182 if (is_input) { 183 for (CeedInt i = 0; i < num_fields; i++) { 184 CeedVector vec_i; 185 CeedElemRestriction rstr_i; 186 187 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec_i)); 188 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr_i)); 189 for (CeedInt j = i + 1; j < num_fields; j++) { 190 CeedVector vec_j; 191 CeedElemRestriction rstr_j; 192 193 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[j], &vec_j)); 194 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[j], &rstr_j)); 195 if (vec_i == vec_j && rstr_i == rstr_j) { 196 if (e_vecs[i]) CeedCallBackend(CeedVectorReferenceCopy(e_vecs[i], &e_vecs[j])); 197 skip_rstr[j] = true; 198 } 199 CeedCallBackend(CeedVectorDestroy(&vec_j)); 200 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 201 } 202 CeedCallBackend(CeedVectorDestroy(&vec_i)); 203 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 204 } 205 } else { 206 for (CeedInt i = num_fields - 1; i >= 0; i--) { 207 CeedVector vec_i; 208 CeedElemRestriction rstr_i; 209 210 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec_i)); 211 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr_i)); 212 for (CeedInt j = i - 1; j >= 0; j--) { 213 CeedVector vec_j; 214 CeedElemRestriction rstr_j; 215 216 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[j], &vec_j)); 217 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[j], &rstr_j)); 218 if (vec_i == vec_j && rstr_i == rstr_j) { 219 if (e_vecs[i]) CeedCallBackend(CeedVectorReferenceCopy(e_vecs[i], &e_vecs[j])); 220 skip_rstr[j] = true; 221 apply_add_basis[i] = true; 222 } 223 CeedCallBackend(CeedVectorDestroy(&vec_j)); 224 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 225 } 226 CeedCallBackend(CeedVectorDestroy(&vec_i)); 227 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 228 } 229 } 230 return CEED_ERROR_SUCCESS; 231 } 232 233 //------------------------------------------------------------------------------ 234 // CeedOperator needs to connect all the named fields (be they active or passive) to the named inputs and outputs of its CeedQFunction. 235 //------------------------------------------------------------------------------ 236 static int CeedOperatorSetup_Cuda(CeedOperator op) { 237 Ceed ceed; 238 bool is_setup_done; 239 CeedInt Q, num_elem, num_input_fields, num_output_fields; 240 CeedQFunctionField *qf_input_fields, *qf_output_fields; 241 CeedQFunction qf; 242 CeedOperatorField *op_input_fields, *op_output_fields; 243 CeedOperator_Cuda *impl; 244 245 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 246 if (is_setup_done) return CEED_ERROR_SUCCESS; 247 248 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 249 CeedCallBackend(CeedOperatorGetData(op, &impl)); 250 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 251 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 252 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 253 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 254 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 255 256 // Allocate 257 CeedCallBackend(CeedCalloc(num_input_fields, &impl->e_vecs_in)); 258 CeedCallBackend(CeedCalloc(num_output_fields, &impl->e_vecs_out)); 259 CeedCallBackend(CeedCalloc(num_input_fields, &impl->skip_rstr_in)); 260 CeedCallBackend(CeedCalloc(num_output_fields, &impl->skip_rstr_out)); 261 CeedCallBackend(CeedCalloc(num_output_fields, &impl->apply_add_basis_out)); 262 CeedCallBackend(CeedCalloc(num_input_fields, &impl->input_field_order)); 263 CeedCallBackend(CeedCalloc(num_output_fields, &impl->output_field_order)); 264 CeedCallBackend(CeedCalloc(num_input_fields, &impl->input_states)); 265 CeedCallBackend(CeedCalloc(num_input_fields, &impl->q_vecs_in)); 266 CeedCallBackend(CeedCalloc(num_output_fields, &impl->q_vecs_out)); 267 impl->num_inputs = num_input_fields; 268 impl->num_outputs = num_output_fields; 269 270 // Set up infield and outfield e-vecs and q-vecs 271 CeedCallBackend( 272 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)); 273 CeedCallBackend(CeedOperatorSetupFields_Cuda(qf, op, false, false, impl->skip_rstr_out, impl->apply_add_basis_out, impl->e_vecs_out, 274 impl->q_vecs_out, num_output_fields, Q, num_elem)); 275 276 // Reorder fields to allow reuse of buffers 277 impl->max_active_e_vec_len = 0; 278 { 279 bool is_ordered[CEED_FIELD_MAX]; 280 CeedInt curr_index = 0; 281 282 for (CeedInt i = 0; i < num_input_fields; i++) is_ordered[i] = false; 283 for (CeedInt i = 0; i < num_input_fields; i++) { 284 CeedSize e_vec_len_i; 285 CeedVector vec_i; 286 CeedElemRestriction rstr_i; 287 288 if (is_ordered[i]) continue; 289 is_ordered[i] = true; 290 impl->input_field_order[curr_index] = i; 291 curr_index++; 292 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec_i)); 293 if (vec_i == CEED_VECTOR_NONE) { 294 // CEED_EVAL_WEIGHT 295 CeedCallBackend(CeedVectorDestroy(&vec_i)); 296 continue; 297 }; 298 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &rstr_i)); 299 CeedCallBackend(CeedElemRestrictionGetEVectorSize(rstr_i, &e_vec_len_i)); 300 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; 301 for (CeedInt j = i + 1; j < num_input_fields; j++) { 302 CeedVector vec_j; 303 CeedElemRestriction rstr_j; 304 305 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[j], &vec_j)); 306 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[j], &rstr_j)); 307 if (rstr_i == rstr_j && vec_i == vec_j) { 308 is_ordered[j] = true; 309 impl->input_field_order[curr_index] = j; 310 curr_index++; 311 } 312 CeedCallBackend(CeedVectorDestroy(&vec_j)); 313 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 314 } 315 CeedCallBackend(CeedVectorDestroy(&vec_i)); 316 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 317 } 318 } 319 { 320 bool is_ordered[CEED_FIELD_MAX]; 321 CeedInt curr_index = 0; 322 323 for (CeedInt i = 0; i < num_output_fields; i++) is_ordered[i] = false; 324 for (CeedInt i = 0; i < num_output_fields; i++) { 325 CeedSize e_vec_len_i; 326 CeedVector vec_i; 327 CeedElemRestriction rstr_i; 328 329 if (is_ordered[i]) continue; 330 is_ordered[i] = true; 331 impl->output_field_order[curr_index] = i; 332 curr_index++; 333 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec_i)); 334 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &rstr_i)); 335 CeedCallBackend(CeedElemRestrictionGetEVectorSize(rstr_i, &e_vec_len_i)); 336 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; 337 for (CeedInt j = i + 1; j < num_output_fields; j++) { 338 CeedVector vec_j; 339 CeedElemRestriction rstr_j; 340 341 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[j], &vec_j)); 342 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[j], &rstr_j)); 343 if (rstr_i == rstr_j && vec_i == vec_j) { 344 is_ordered[j] = true; 345 impl->output_field_order[curr_index] = j; 346 curr_index++; 347 } 348 CeedCallBackend(CeedVectorDestroy(&vec_j)); 349 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 350 } 351 CeedCallBackend(CeedVectorDestroy(&vec_i)); 352 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 353 } 354 } 355 CeedCallBackend(CeedOperatorSetSetupDone(op)); 356 return CEED_ERROR_SUCCESS; 357 } 358 359 //------------------------------------------------------------------------------ 360 // Restrict Operator Inputs 361 //------------------------------------------------------------------------------ 362 static inline int CeedOperatorInputRestrict_Cuda(CeedOperatorField op_input_field, CeedQFunctionField qf_input_field, CeedInt input_field, 363 CeedVector in_vec, CeedVector active_e_vec, const bool skip_active, CeedOperator_Cuda *impl, 364 CeedRequest *request) { 365 bool is_active = false; 366 CeedVector l_vec, e_vec = impl->e_vecs_in[input_field]; 367 368 // Get input vector 369 CeedCallBackend(CeedOperatorFieldGetVector(op_input_field, &l_vec)); 370 is_active = l_vec == CEED_VECTOR_ACTIVE; 371 if (is_active && skip_active) return CEED_ERROR_SUCCESS; 372 if (is_active) { 373 l_vec = in_vec; 374 if (!e_vec) e_vec = active_e_vec; 375 } 376 377 // Restriction action 378 if (e_vec) { 379 // Restrict, if necessary 380 if (!impl->skip_rstr_in[input_field]) { 381 uint64_t state; 382 383 CeedCallBackend(CeedVectorGetState(l_vec, &state)); 384 if (is_active || state != impl->input_states[input_field]) { 385 CeedElemRestriction elem_rstr; 386 387 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_field, &elem_rstr)); 388 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_NOTRANSPOSE, l_vec, e_vec, request)); 389 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 390 } 391 impl->input_states[input_field] = state; 392 } 393 } 394 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 395 return CEED_ERROR_SUCCESS; 396 } 397 398 //------------------------------------------------------------------------------ 399 // Input Basis Action 400 //------------------------------------------------------------------------------ 401 static inline int CeedOperatorInputBasis_Cuda(CeedOperatorField op_input_field, CeedQFunctionField qf_input_field, CeedInt input_field, 402 CeedVector in_vec, CeedVector active_e_vec, CeedInt num_elem, const bool skip_active, 403 CeedOperator_Cuda *impl) { 404 bool is_active = false; 405 CeedEvalMode eval_mode; 406 CeedVector l_vec, e_vec = impl->e_vecs_in[input_field], q_vec = impl->q_vecs_in[input_field]; 407 408 // Skip active input 409 CeedCallBackend(CeedOperatorFieldGetVector(op_input_field, &l_vec)); 410 is_active = l_vec == CEED_VECTOR_ACTIVE; 411 if (is_active && skip_active) return CEED_ERROR_SUCCESS; 412 if (is_active) { 413 l_vec = in_vec; 414 if (!e_vec) e_vec = active_e_vec; 415 } 416 417 // Basis action 418 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_field, &eval_mode)); 419 switch (eval_mode) { 420 case CEED_EVAL_NONE: { 421 const CeedScalar *e_vec_array; 422 423 if (e_vec) { 424 CeedCallBackend(CeedVectorGetArrayRead(e_vec, CEED_MEM_DEVICE, &e_vec_array)); 425 } else { 426 CeedCallBackend(CeedVectorGetArrayRead(l_vec, CEED_MEM_DEVICE, &e_vec_array)); 427 } 428 CeedCallBackend(CeedVectorSetArray(q_vec, CEED_MEM_DEVICE, CEED_USE_POINTER, (CeedScalar *)e_vec_array)); 429 break; 430 } 431 case CEED_EVAL_INTERP: 432 case CEED_EVAL_GRAD: 433 case CEED_EVAL_DIV: 434 case CEED_EVAL_CURL: { 435 CeedBasis basis; 436 437 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_field, &basis)); 438 CeedCallBackend(CeedBasisApply(basis, num_elem, CEED_NOTRANSPOSE, eval_mode, e_vec, q_vec)); 439 CeedCallBackend(CeedBasisDestroy(&basis)); 440 break; 441 } 442 case CEED_EVAL_WEIGHT: 443 break; // No action 444 } 445 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 446 return CEED_ERROR_SUCCESS; 447 } 448 449 //------------------------------------------------------------------------------ 450 // Restore Input Vectors 451 //------------------------------------------------------------------------------ 452 static inline int CeedOperatorInputRestore_Cuda(CeedOperatorField op_input_field, CeedQFunctionField qf_input_field, CeedInt input_field, 453 CeedVector in_vec, CeedVector active_e_vec, const bool skip_active, CeedOperator_Cuda *impl) { 454 bool is_active = false; 455 CeedEvalMode eval_mode; 456 CeedVector l_vec, e_vec = impl->e_vecs_in[input_field]; 457 458 // Skip active input 459 CeedCallBackend(CeedOperatorFieldGetVector(op_input_field, &l_vec)); 460 is_active = l_vec == CEED_VECTOR_ACTIVE; 461 if (is_active && skip_active) return CEED_ERROR_SUCCESS; 462 if (is_active) { 463 l_vec = in_vec; 464 if (!e_vec) e_vec = active_e_vec; 465 } 466 467 // Restore e-vec 468 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_field, &eval_mode)); 469 if (eval_mode == CEED_EVAL_NONE) { 470 const CeedScalar *e_vec_array; 471 472 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_in[input_field], CEED_MEM_DEVICE, (CeedScalar **)&e_vec_array)); 473 if (e_vec) { 474 CeedCallBackend(CeedVectorRestoreArrayRead(e_vec, &e_vec_array)); 475 } else { 476 CeedCallBackend(CeedVectorRestoreArrayRead(l_vec, &e_vec_array)); 477 } 478 } 479 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 480 return CEED_ERROR_SUCCESS; 481 } 482 483 //------------------------------------------------------------------------------ 484 // Apply and add to output 485 //------------------------------------------------------------------------------ 486 static int CeedOperatorApplyAdd_Cuda(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 487 CeedInt Q, num_elem, num_input_fields, num_output_fields; 488 Ceed ceed; 489 CeedVector active_e_vec; 490 CeedQFunctionField *qf_input_fields, *qf_output_fields; 491 CeedQFunction qf; 492 CeedOperatorField *op_input_fields, *op_output_fields; 493 CeedOperator_Cuda *impl; 494 495 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 496 CeedCallBackend(CeedOperatorGetData(op, &impl)); 497 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 498 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 499 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 500 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 501 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 502 503 // Setup 504 CeedCallBackend(CeedOperatorSetup_Cuda(op)); 505 506 // Work vector 507 CeedCallBackend(CeedGetWorkVector(ceed, impl->max_active_e_vec_len, &active_e_vec)); 508 509 // Process inputs 510 for (CeedInt i = 0; i < num_input_fields; i++) { 511 CeedInt field = impl->input_field_order[i]; 512 513 CeedCallBackend( 514 CeedOperatorInputRestrict_Cuda(op_input_fields[field], qf_input_fields[field], field, in_vec, active_e_vec, false, impl, request)); 515 CeedCallBackend(CeedOperatorInputBasis_Cuda(op_input_fields[field], qf_input_fields[field], field, in_vec, active_e_vec, num_elem, false, impl)); 516 } 517 518 // Output pointers, as necessary 519 for (CeedInt i = 0; i < num_output_fields; i++) { 520 CeedEvalMode eval_mode; 521 522 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 523 if (eval_mode == CEED_EVAL_NONE) { 524 CeedScalar *e_vec_array; 525 526 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 527 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, CEED_USE_POINTER, e_vec_array)); 528 } 529 } 530 531 // Q function 532 CeedCallBackend(CeedQFunctionApply(qf, num_elem * Q, impl->q_vecs_in, impl->q_vecs_out)); 533 534 // Restore input arrays 535 for (CeedInt i = 0; i < num_input_fields; i++) { 536 CeedCallBackend(CeedOperatorInputRestore_Cuda(op_input_fields[i], qf_input_fields[i], i, in_vec, active_e_vec, false, impl)); 537 } 538 539 // Output basis and restriction 540 for (CeedInt i = 0; i < num_output_fields; i++) { 541 bool is_active = false; 542 CeedInt field = impl->output_field_order[i]; 543 CeedEvalMode eval_mode; 544 CeedVector l_vec, e_vec = impl->e_vecs_out[field], q_vec = impl->q_vecs_out[field]; 545 546 // Output vector 547 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[field], &l_vec)); 548 is_active = l_vec == CEED_VECTOR_ACTIVE; 549 if (is_active) { 550 l_vec = out_vec; 551 if (!e_vec) e_vec = active_e_vec; 552 } 553 554 // Basis action 555 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[field], &eval_mode)); 556 switch (eval_mode) { 557 case CEED_EVAL_NONE: 558 break; // No action 559 case CEED_EVAL_INTERP: 560 case CEED_EVAL_GRAD: 561 case CEED_EVAL_DIV: 562 case CEED_EVAL_CURL: { 563 CeedBasis basis; 564 565 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[field], &basis)); 566 if (impl->apply_add_basis_out[field]) { 567 CeedCallBackend(CeedBasisApplyAdd(basis, num_elem, CEED_TRANSPOSE, eval_mode, q_vec, e_vec)); 568 } else { 569 CeedCallBackend(CeedBasisApply(basis, num_elem, CEED_TRANSPOSE, eval_mode, q_vec, e_vec)); 570 } 571 CeedCallBackend(CeedBasisDestroy(&basis)); 572 break; 573 } 574 // LCOV_EXCL_START 575 case CEED_EVAL_WEIGHT: { 576 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 577 // LCOV_EXCL_STOP 578 } 579 } 580 581 // Restore evec 582 if (eval_mode == CEED_EVAL_NONE) { 583 CeedScalar *e_vec_array; 584 585 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 586 CeedCallBackend(CeedVectorRestoreArray(e_vec, &e_vec_array)); 587 } 588 589 // Restrict 590 if (impl->skip_rstr_out[field]) { 591 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 592 continue; 593 } 594 { 595 CeedElemRestriction elem_rstr; 596 597 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[field], &elem_rstr)); 598 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_TRANSPOSE, e_vec, l_vec, request)); 599 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 600 } 601 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 602 } 603 604 // Return work vector 605 CeedCallBackend(CeedRestoreWorkVector(ceed, &active_e_vec)); 606 return CEED_ERROR_SUCCESS; 607 } 608 609 //------------------------------------------------------------------------------ 610 // CeedOperator needs to connect all the named fields (be they active or passive) to the named inputs and outputs of its CeedQFunction. 611 //------------------------------------------------------------------------------ 612 static int CeedOperatorSetupAtPoints_Cuda(CeedOperator op) { 613 Ceed ceed; 614 bool is_setup_done; 615 CeedInt max_num_points = -1, num_elem, num_input_fields, num_output_fields; 616 CeedQFunctionField *qf_input_fields, *qf_output_fields; 617 CeedQFunction qf; 618 CeedOperatorField *op_input_fields, *op_output_fields; 619 CeedOperator_Cuda *impl; 620 621 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 622 if (is_setup_done) return CEED_ERROR_SUCCESS; 623 624 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 625 CeedCallBackend(CeedOperatorGetData(op, &impl)); 626 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 627 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 628 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 629 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 630 { 631 CeedElemRestriction rstr_points = NULL; 632 633 CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, NULL)); 634 CeedCallBackend(CeedElemRestrictionGetMaxPointsInElement(rstr_points, &max_num_points)); 635 CeedCallBackend(CeedCalloc(num_elem, &impl->num_points)); 636 for (CeedInt e = 0; e < num_elem; e++) { 637 CeedInt num_points_elem; 638 639 CeedCallBackend(CeedElemRestrictionGetNumPointsInElement(rstr_points, e, &num_points_elem)); 640 impl->num_points[e] = num_points_elem; 641 } 642 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); 643 } 644 impl->max_num_points = max_num_points; 645 646 // Allocate 647 CeedCallBackend(CeedCalloc(num_input_fields, &impl->e_vecs_in)); 648 CeedCallBackend(CeedCalloc(num_output_fields, &impl->e_vecs_out)); 649 CeedCallBackend(CeedCalloc(num_input_fields, &impl->skip_rstr_in)); 650 CeedCallBackend(CeedCalloc(num_output_fields, &impl->skip_rstr_out)); 651 CeedCallBackend(CeedCalloc(num_output_fields, &impl->apply_add_basis_out)); 652 CeedCallBackend(CeedCalloc(num_input_fields, &impl->input_field_order)); 653 CeedCallBackend(CeedCalloc(num_output_fields, &impl->output_field_order)); 654 CeedCallBackend(CeedCalloc(num_input_fields, &impl->input_states)); 655 CeedCallBackend(CeedCalloc(num_input_fields, &impl->q_vecs_in)); 656 CeedCallBackend(CeedCalloc(num_output_fields, &impl->q_vecs_out)); 657 impl->num_inputs = num_input_fields; 658 impl->num_outputs = num_output_fields; 659 660 // Set up infield and outfield e-vecs and q-vecs 661 CeedCallBackend(CeedOperatorSetupFields_Cuda(qf, op, true, true, impl->skip_rstr_in, NULL, impl->e_vecs_in, impl->q_vecs_in, num_input_fields, 662 max_num_points, num_elem)); 663 CeedCallBackend(CeedOperatorSetupFields_Cuda(qf, op, false, true, impl->skip_rstr_out, impl->apply_add_basis_out, impl->e_vecs_out, 664 impl->q_vecs_out, num_output_fields, max_num_points, num_elem)); 665 666 // Reorder fields to allow reuse of buffers 667 impl->max_active_e_vec_len = 0; 668 { 669 bool is_ordered[CEED_FIELD_MAX]; 670 CeedInt curr_index = 0; 671 672 for (CeedInt i = 0; i < num_input_fields; i++) is_ordered[i] = false; 673 for (CeedInt i = 0; i < num_input_fields; i++) { 674 CeedSize e_vec_len_i; 675 CeedVector vec_i; 676 CeedElemRestriction rstr_i; 677 678 if (is_ordered[i]) continue; 679 is_ordered[i] = true; 680 impl->input_field_order[curr_index] = i; 681 curr_index++; 682 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec_i)); 683 if (vec_i == CEED_VECTOR_NONE) { 684 // CEED_EVAL_WEIGHT 685 CeedCallBackend(CeedVectorDestroy(&vec_i)); 686 continue; 687 }; 688 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &rstr_i)); 689 CeedCallBackend(CeedElemRestrictionGetEVectorSize(rstr_i, &e_vec_len_i)); 690 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; 691 for (CeedInt j = i + 1; j < num_input_fields; j++) { 692 CeedVector vec_j; 693 CeedElemRestriction rstr_j; 694 695 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[j], &vec_j)); 696 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[j], &rstr_j)); 697 if (rstr_i == rstr_j && vec_i == vec_j) { 698 is_ordered[j] = true; 699 impl->input_field_order[curr_index] = j; 700 curr_index++; 701 } 702 CeedCallBackend(CeedVectorDestroy(&vec_j)); 703 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 704 } 705 CeedCallBackend(CeedVectorDestroy(&vec_i)); 706 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 707 } 708 } 709 { 710 bool is_ordered[CEED_FIELD_MAX]; 711 CeedInt curr_index = 0; 712 713 for (CeedInt i = 0; i < num_output_fields; i++) is_ordered[i] = false; 714 for (CeedInt i = 0; i < num_output_fields; i++) { 715 CeedSize e_vec_len_i; 716 CeedVector vec_i; 717 CeedElemRestriction rstr_i; 718 719 if (is_ordered[i]) continue; 720 is_ordered[i] = true; 721 impl->output_field_order[curr_index] = i; 722 curr_index++; 723 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec_i)); 724 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &rstr_i)); 725 CeedCallBackend(CeedElemRestrictionGetEVectorSize(rstr_i, &e_vec_len_i)); 726 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; 727 for (CeedInt j = i + 1; j < num_output_fields; j++) { 728 CeedVector vec_j; 729 CeedElemRestriction rstr_j; 730 731 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[j], &vec_j)); 732 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[j], &rstr_j)); 733 if (rstr_i == rstr_j && vec_i == vec_j) { 734 is_ordered[j] = true; 735 impl->output_field_order[curr_index] = j; 736 curr_index++; 737 } 738 CeedCallBackend(CeedVectorDestroy(&vec_j)); 739 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 740 } 741 CeedCallBackend(CeedVectorDestroy(&vec_i)); 742 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 743 } 744 } 745 CeedCallBackend(CeedOperatorSetSetupDone(op)); 746 return CEED_ERROR_SUCCESS; 747 } 748 749 //------------------------------------------------------------------------------ 750 // Input Basis Action AtPoints 751 //------------------------------------------------------------------------------ 752 static inline int CeedOperatorInputBasisAtPoints_Cuda(CeedOperatorField op_input_field, CeedQFunctionField qf_input_field, CeedInt input_field, 753 CeedVector in_vec, CeedVector active_e_vec, CeedInt num_elem, const CeedInt *num_points, 754 const bool skip_active, CeedOperator_Cuda *impl) { 755 bool is_active = false; 756 CeedEvalMode eval_mode; 757 CeedVector l_vec, e_vec = impl->e_vecs_in[input_field], q_vec = impl->q_vecs_in[input_field]; 758 759 // Skip active input 760 CeedCallBackend(CeedOperatorFieldGetVector(op_input_field, &l_vec)); 761 is_active = l_vec == CEED_VECTOR_ACTIVE; 762 if (is_active && skip_active) return CEED_ERROR_SUCCESS; 763 if (is_active) { 764 l_vec = in_vec; 765 if (!e_vec) e_vec = active_e_vec; 766 } 767 768 // Basis action 769 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_field, &eval_mode)); 770 switch (eval_mode) { 771 case CEED_EVAL_NONE: { 772 const CeedScalar *e_vec_array; 773 774 if (e_vec) { 775 CeedCallBackend(CeedVectorGetArrayRead(e_vec, CEED_MEM_DEVICE, &e_vec_array)); 776 } else { 777 CeedCallBackend(CeedVectorGetArrayRead(l_vec, CEED_MEM_DEVICE, &e_vec_array)); 778 } 779 CeedCallBackend(CeedVectorSetArray(q_vec, CEED_MEM_DEVICE, CEED_USE_POINTER, (CeedScalar *)e_vec_array)); 780 break; 781 } 782 case CEED_EVAL_INTERP: 783 case CEED_EVAL_GRAD: 784 case CEED_EVAL_DIV: 785 case CEED_EVAL_CURL: { 786 CeedBasis basis; 787 788 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_field, &basis)); 789 CeedCallBackend(CeedBasisApplyAtPoints(basis, num_elem, num_points, CEED_NOTRANSPOSE, eval_mode, impl->point_coords_elem, e_vec, q_vec)); 790 CeedCallBackend(CeedBasisDestroy(&basis)); 791 break; 792 } 793 case CEED_EVAL_WEIGHT: 794 break; // No action 795 } 796 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 797 return CEED_ERROR_SUCCESS; 798 } 799 800 //------------------------------------------------------------------------------ 801 // Apply and add to output AtPoints 802 //------------------------------------------------------------------------------ 803 static int CeedOperatorApplyAddAtPoints_Cuda(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 804 CeedInt max_num_points, *num_points, num_elem, num_input_fields, num_output_fields; 805 Ceed ceed; 806 CeedVector active_e_vec; 807 CeedQFunctionField *qf_input_fields, *qf_output_fields; 808 CeedQFunction qf; 809 CeedOperatorField *op_input_fields, *op_output_fields; 810 CeedOperator_Cuda *impl; 811 812 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 813 CeedCallBackend(CeedOperatorGetData(op, &impl)); 814 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 815 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 816 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 817 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 818 819 // Setup 820 CeedCallBackend(CeedOperatorSetupAtPoints_Cuda(op)); 821 num_points = impl->num_points; 822 max_num_points = impl->max_num_points; 823 824 // Work vector 825 CeedCallBackend(CeedGetWorkVector(ceed, impl->max_active_e_vec_len, &active_e_vec)); 826 827 // Get point coordinates 828 if (!impl->point_coords_elem) { 829 CeedVector point_coords = NULL; 830 CeedElemRestriction rstr_points = NULL; 831 832 CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, &point_coords)); 833 CeedCallBackend(CeedElemRestrictionCreateVector(rstr_points, NULL, &impl->point_coords_elem)); 834 CeedCallBackend(CeedElemRestrictionApply(rstr_points, CEED_NOTRANSPOSE, point_coords, impl->point_coords_elem, request)); 835 CeedCallBackend(CeedVectorDestroy(&point_coords)); 836 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); 837 } 838 839 // Process inputs 840 for (CeedInt i = 0; i < num_input_fields; i++) { 841 CeedInt field = impl->input_field_order[i]; 842 843 CeedCallBackend( 844 CeedOperatorInputRestrict_Cuda(op_input_fields[field], qf_input_fields[field], field, in_vec, active_e_vec, false, impl, request)); 845 CeedCallBackend(CeedOperatorInputBasisAtPoints_Cuda(op_input_fields[field], qf_input_fields[field], field, in_vec, active_e_vec, num_elem, 846 num_points, false, impl)); 847 } 848 849 // Output pointers, as necessary 850 for (CeedInt i = 0; i < num_output_fields; i++) { 851 CeedEvalMode eval_mode; 852 853 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 854 if (eval_mode == CEED_EVAL_NONE) { 855 CeedScalar *e_vec_array; 856 857 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 858 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, CEED_USE_POINTER, e_vec_array)); 859 } 860 } 861 862 // Q function 863 CeedCallBackend(CeedQFunctionApply(qf, num_elem * max_num_points, impl->q_vecs_in, impl->q_vecs_out)); 864 865 // Restore input arrays 866 for (CeedInt i = 0; i < num_input_fields; i++) { 867 CeedCallBackend(CeedOperatorInputRestore_Cuda(op_input_fields[i], qf_input_fields[i], i, in_vec, active_e_vec, false, impl)); 868 } 869 870 // Output basis and restriction 871 for (CeedInt i = 0; i < num_output_fields; i++) { 872 bool is_active = false; 873 CeedInt field = impl->output_field_order[i]; 874 CeedEvalMode eval_mode; 875 CeedVector l_vec, e_vec = impl->e_vecs_out[field], q_vec = impl->q_vecs_out[field]; 876 877 // Output vector 878 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[field], &l_vec)); 879 is_active = l_vec == CEED_VECTOR_ACTIVE; 880 if (is_active) { 881 l_vec = out_vec; 882 if (!e_vec) e_vec = active_e_vec; 883 } 884 885 // Basis action 886 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[field], &eval_mode)); 887 switch (eval_mode) { 888 case CEED_EVAL_NONE: 889 break; // No action 890 case CEED_EVAL_INTERP: 891 case CEED_EVAL_GRAD: 892 case CEED_EVAL_DIV: 893 case CEED_EVAL_CURL: { 894 CeedBasis basis; 895 896 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[field], &basis)); 897 if (impl->apply_add_basis_out[field]) { 898 CeedCallBackend(CeedBasisApplyAddAtPoints(basis, num_elem, num_points, CEED_TRANSPOSE, eval_mode, impl->point_coords_elem, q_vec, e_vec)); 899 } else { 900 CeedCallBackend(CeedBasisApplyAtPoints(basis, num_elem, num_points, CEED_TRANSPOSE, eval_mode, impl->point_coords_elem, q_vec, e_vec)); 901 } 902 CeedCallBackend(CeedBasisDestroy(&basis)); 903 break; 904 } 905 // LCOV_EXCL_START 906 case CEED_EVAL_WEIGHT: { 907 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 908 // LCOV_EXCL_STOP 909 } 910 } 911 912 // Restore evec 913 if (eval_mode == CEED_EVAL_NONE) { 914 CeedScalar *e_vec_array; 915 916 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 917 CeedCallBackend(CeedVectorRestoreArray(e_vec, &e_vec_array)); 918 } 919 920 // Restrict 921 if (impl->skip_rstr_out[field]) { 922 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 923 continue; 924 } 925 { 926 CeedElemRestriction elem_rstr; 927 928 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[field], &elem_rstr)); 929 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_TRANSPOSE, e_vec, l_vec, request)); 930 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 931 } 932 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 933 } 934 935 // Restore work vector 936 CeedCallBackend(CeedRestoreWorkVector(ceed, &active_e_vec)); 937 return CEED_ERROR_SUCCESS; 938 } 939 940 //------------------------------------------------------------------------------ 941 // Linear QFunction Assembly Core 942 //------------------------------------------------------------------------------ 943 static inline int CeedOperatorLinearAssembleQFunctionCore_Cuda(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 944 CeedRequest *request) { 945 Ceed ceed, ceed_parent; 946 CeedInt num_active_in, num_active_out, Q, num_elem, num_input_fields, num_output_fields, size; 947 CeedScalar *assembled_array; 948 CeedVector *active_inputs; 949 CeedQFunctionField *qf_input_fields, *qf_output_fields; 950 CeedQFunction qf; 951 CeedOperatorField *op_input_fields, *op_output_fields; 952 CeedOperator_Cuda *impl; 953 954 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 955 CeedCallBackend(CeedOperatorGetFallbackParentCeed(op, &ceed_parent)); 956 CeedCallBackend(CeedOperatorGetData(op, &impl)); 957 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 958 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 959 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 960 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 961 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 962 active_inputs = impl->qf_active_in; 963 num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 964 965 // Setup 966 CeedCallBackend(CeedOperatorSetup_Cuda(op)); 967 968 // Process inputs 969 for (CeedInt i = 0; i < num_input_fields; i++) { 970 CeedCallBackend(CeedOperatorInputRestrict_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, true, impl, request)); 971 CeedCallBackend(CeedOperatorInputBasis_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, num_elem, true, impl)); 972 } 973 974 // Count number of active input fields 975 if (!num_active_in) { 976 for (CeedInt i = 0; i < num_input_fields; i++) { 977 CeedScalar *q_vec_array; 978 CeedVector l_vec; 979 980 // Check if active input 981 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &l_vec)); 982 if (l_vec == CEED_VECTOR_ACTIVE) { 983 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 984 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 985 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_DEVICE, &q_vec_array)); 986 CeedCallBackend(CeedRealloc(num_active_in + size, &active_inputs)); 987 for (CeedInt field = 0; field < size; field++) { 988 CeedSize q_size = (CeedSize)Q * num_elem; 989 990 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_inputs[num_active_in + field])); 991 CeedCallBackend( 992 CeedVectorSetArray(active_inputs[num_active_in + field], CEED_MEM_DEVICE, CEED_USE_POINTER, &q_vec_array[field * Q * num_elem])); 993 } 994 num_active_in += size; 995 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &q_vec_array)); 996 } 997 CeedCallBackend(CeedVectorDestroy(&l_vec)); 998 } 999 impl->num_active_in = num_active_in; 1000 impl->qf_active_in = active_inputs; 1001 } 1002 1003 // Count number of active output fields 1004 if (!num_active_out) { 1005 for (CeedInt i = 0; i < num_output_fields; i++) { 1006 CeedVector l_vec; 1007 1008 // Check if active output 1009 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &l_vec)); 1010 if (l_vec == CEED_VECTOR_ACTIVE) { 1011 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 1012 num_active_out += size; 1013 } 1014 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1015 } 1016 impl->num_active_out = num_active_out; 1017 } 1018 1019 // Check sizes 1020 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 1021 1022 // Build objects if needed 1023 if (build_objects) { 1024 CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 1025 CeedInt strides[3] = {1, num_elem * Q, Q}; /* *NOPAD* */ 1026 1027 // Create output restriction 1028 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed_parent, num_elem, Q, num_active_in * num_active_out, 1029 (CeedSize)num_active_in * (CeedSize)num_active_out * (CeedSize)num_elem * (CeedSize)Q, strides, 1030 rstr)); 1031 // Create assembled vector 1032 CeedCallBackend(CeedVectorCreate(ceed_parent, l_size, assembled)); 1033 } 1034 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 1035 CeedCallBackend(CeedVectorGetArray(*assembled, CEED_MEM_DEVICE, &assembled_array)); 1036 1037 // Assemble QFunction 1038 for (CeedInt in = 0; in < num_active_in; in++) { 1039 // Set Inputs 1040 CeedCallBackend(CeedVectorSetValue(active_inputs[in], 1.0)); 1041 if (num_active_in > 1) { 1042 CeedCallBackend(CeedVectorSetValue(active_inputs[(in + num_active_in - 1) % num_active_in], 0.0)); 1043 } 1044 // Set Outputs 1045 for (CeedInt out = 0; out < num_output_fields; out++) { 1046 CeedVector l_vec; 1047 1048 // Check if active output 1049 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &l_vec)); 1050 if (l_vec == CEED_VECTOR_ACTIVE) { 1051 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_DEVICE, CEED_USE_POINTER, assembled_array)); 1052 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 1053 assembled_array += size * Q * num_elem; // Advance the pointer by the size of the output 1054 } 1055 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1056 } 1057 // Apply QFunction 1058 CeedCallBackend(CeedQFunctionApply(qf, Q * num_elem, impl->q_vecs_in, impl->q_vecs_out)); 1059 } 1060 1061 // Un-set output q-vecs to prevent accidental overwrite of Assembled 1062 for (CeedInt out = 0; out < num_output_fields; out++) { 1063 CeedVector l_vec; 1064 1065 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &l_vec)); 1066 if (l_vec == CEED_VECTOR_ACTIVE) { 1067 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_DEVICE, NULL)); 1068 } 1069 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1070 } 1071 1072 // Restore input arrays 1073 for (CeedInt i = 0; i < num_input_fields; i++) { 1074 CeedCallBackend(CeedOperatorInputRestore_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, true, impl)); 1075 } 1076 1077 // Restore output 1078 CeedCallBackend(CeedVectorRestoreArray(*assembled, &assembled_array)); 1079 return CEED_ERROR_SUCCESS; 1080 } 1081 1082 //------------------------------------------------------------------------------ 1083 // Assemble Linear QFunction 1084 //------------------------------------------------------------------------------ 1085 static int CeedOperatorLinearAssembleQFunction_Cuda(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 1086 return CeedOperatorLinearAssembleQFunctionCore_Cuda(op, true, assembled, rstr, request); 1087 } 1088 1089 //------------------------------------------------------------------------------ 1090 // Update Assembled Linear QFunction 1091 //------------------------------------------------------------------------------ 1092 static int CeedOperatorLinearAssembleQFunctionUpdate_Cuda(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 1093 return CeedOperatorLinearAssembleQFunctionCore_Cuda(op, false, &assembled, &rstr, request); 1094 } 1095 1096 //------------------------------------------------------------------------------ 1097 // Assemble Diagonal Setup 1098 //------------------------------------------------------------------------------ 1099 static inline int CeedOperatorAssembleDiagonalSetup_Cuda(CeedOperator op) { 1100 Ceed ceed; 1101 CeedInt num_input_fields, num_output_fields, num_eval_modes_in = 0, num_eval_modes_out = 0; 1102 CeedInt q_comp, num_nodes, num_qpts; 1103 CeedEvalMode *eval_modes_in = NULL, *eval_modes_out = NULL; 1104 CeedBasis basis_in = NULL, basis_out = NULL; 1105 CeedQFunctionField *qf_fields; 1106 CeedQFunction qf; 1107 CeedOperatorField *op_fields; 1108 CeedOperator_Cuda *impl; 1109 1110 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1111 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 1112 CeedCallBackend(CeedQFunctionGetNumArgs(qf, &num_input_fields, &num_output_fields)); 1113 1114 // Determine active input basis 1115 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 1116 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 1117 for (CeedInt i = 0; i < num_input_fields; i++) { 1118 CeedVector vec; 1119 1120 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec)); 1121 if (vec == CEED_VECTOR_ACTIVE) { 1122 CeedEvalMode eval_mode; 1123 CeedBasis basis; 1124 1125 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 1126 CeedCheck(!basis_in || basis_in == basis, ceed, CEED_ERROR_BACKEND, 1127 "Backend does not implement operator diagonal assembly with multiple active bases"); 1128 if (!basis_in) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_in)); 1129 CeedCallBackend(CeedBasisDestroy(&basis)); 1130 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1131 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_in, eval_mode, &q_comp)); 1132 if (eval_mode != CEED_EVAL_WEIGHT) { 1133 // q_comp = 1 if CEED_EVAL_NONE, CEED_EVAL_WEIGHT caught by QF assembly 1134 CeedCallBackend(CeedRealloc(num_eval_modes_in + q_comp, &eval_modes_in)); 1135 for (CeedInt d = 0; d < q_comp; d++) eval_modes_in[num_eval_modes_in + d] = eval_mode; 1136 num_eval_modes_in += q_comp; 1137 } 1138 } 1139 CeedCallBackend(CeedVectorDestroy(&vec)); 1140 } 1141 1142 // Determine active output basis 1143 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 1144 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 1145 for (CeedInt i = 0; i < num_output_fields; i++) { 1146 CeedVector vec; 1147 1148 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec)); 1149 if (vec == CEED_VECTOR_ACTIVE) { 1150 CeedBasis basis; 1151 CeedEvalMode eval_mode; 1152 1153 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 1154 CeedCheck(!basis_out || basis_out == basis, ceed, CEED_ERROR_BACKEND, 1155 "Backend does not implement operator diagonal assembly with multiple active bases"); 1156 if (!basis_out) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_out)); 1157 CeedCallBackend(CeedBasisDestroy(&basis)); 1158 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1159 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_out, eval_mode, &q_comp)); 1160 if (eval_mode != CEED_EVAL_WEIGHT) { 1161 // q_comp = 1 if CEED_EVAL_NONE, CEED_EVAL_WEIGHT caught by QF assembly 1162 CeedCallBackend(CeedRealloc(num_eval_modes_out + q_comp, &eval_modes_out)); 1163 for (CeedInt d = 0; d < q_comp; d++) eval_modes_out[num_eval_modes_out + d] = eval_mode; 1164 num_eval_modes_out += q_comp; 1165 } 1166 } 1167 CeedCallBackend(CeedVectorDestroy(&vec)); 1168 } 1169 1170 // Operator data struct 1171 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1172 CeedCallBackend(CeedCalloc(1, &impl->diag)); 1173 CeedOperatorDiag_Cuda *diag = impl->diag; 1174 1175 // Basis matrices 1176 CeedCallBackend(CeedBasisGetNumNodes(basis_in, &num_nodes)); 1177 if (basis_in == CEED_BASIS_NONE) num_qpts = num_nodes; 1178 else CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis_in, &num_qpts)); 1179 const CeedInt interp_bytes = num_nodes * num_qpts * sizeof(CeedScalar); 1180 const CeedInt eval_modes_bytes = sizeof(CeedEvalMode); 1181 bool has_eval_none = false; 1182 1183 // CEED_EVAL_NONE 1184 for (CeedInt i = 0; i < num_eval_modes_in; i++) has_eval_none = has_eval_none || (eval_modes_in[i] == CEED_EVAL_NONE); 1185 for (CeedInt i = 0; i < num_eval_modes_out; i++) has_eval_none = has_eval_none || (eval_modes_out[i] == CEED_EVAL_NONE); 1186 if (has_eval_none) { 1187 CeedScalar *identity = NULL; 1188 1189 CeedCallBackend(CeedCalloc(num_nodes * num_qpts, &identity)); 1190 for (CeedInt i = 0; i < (num_nodes < num_qpts ? num_nodes : num_qpts); i++) identity[i * num_nodes + i] = 1.0; 1191 CeedCallCuda(ceed, cudaMalloc((void **)&diag->d_identity, interp_bytes)); 1192 CeedCallCuda(ceed, cudaMemcpy(diag->d_identity, identity, interp_bytes, cudaMemcpyHostToDevice)); 1193 CeedCallBackend(CeedFree(&identity)); 1194 } 1195 1196 // CEED_EVAL_INTERP, CEED_EVAL_GRAD, CEED_EVAL_DIV, and CEED_EVAL_CURL 1197 for (CeedInt in = 0; in < 2; in++) { 1198 CeedFESpace fespace; 1199 CeedBasis basis = in ? basis_in : basis_out; 1200 1201 CeedCallBackend(CeedBasisGetFESpace(basis, &fespace)); 1202 switch (fespace) { 1203 case CEED_FE_SPACE_H1: { 1204 CeedInt q_comp_interp, q_comp_grad; 1205 const CeedScalar *interp, *grad; 1206 CeedScalar *d_interp, *d_grad; 1207 1208 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp)); 1209 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_GRAD, &q_comp_grad)); 1210 1211 CeedCallBackend(CeedBasisGetInterp(basis, &interp)); 1212 CeedCallCuda(ceed, cudaMalloc((void **)&d_interp, interp_bytes * q_comp_interp)); 1213 CeedCallCuda(ceed, cudaMemcpy(d_interp, interp, interp_bytes * q_comp_interp, cudaMemcpyHostToDevice)); 1214 CeedCallBackend(CeedBasisGetGrad(basis, &grad)); 1215 CeedCallCuda(ceed, cudaMalloc((void **)&d_grad, interp_bytes * q_comp_grad)); 1216 CeedCallCuda(ceed, cudaMemcpy(d_grad, grad, interp_bytes * q_comp_grad, cudaMemcpyHostToDevice)); 1217 if (in) { 1218 diag->d_interp_in = d_interp; 1219 diag->d_grad_in = d_grad; 1220 } else { 1221 diag->d_interp_out = d_interp; 1222 diag->d_grad_out = d_grad; 1223 } 1224 } break; 1225 case CEED_FE_SPACE_HDIV: { 1226 CeedInt q_comp_interp, q_comp_div; 1227 const CeedScalar *interp, *div; 1228 CeedScalar *d_interp, *d_div; 1229 1230 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp)); 1231 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_DIV, &q_comp_div)); 1232 1233 CeedCallBackend(CeedBasisGetInterp(basis, &interp)); 1234 CeedCallCuda(ceed, cudaMalloc((void **)&d_interp, interp_bytes * q_comp_interp)); 1235 CeedCallCuda(ceed, cudaMemcpy(d_interp, interp, interp_bytes * q_comp_interp, cudaMemcpyHostToDevice)); 1236 CeedCallBackend(CeedBasisGetDiv(basis, &div)); 1237 CeedCallCuda(ceed, cudaMalloc((void **)&d_div, interp_bytes * q_comp_div)); 1238 CeedCallCuda(ceed, cudaMemcpy(d_div, div, interp_bytes * q_comp_div, cudaMemcpyHostToDevice)); 1239 if (in) { 1240 diag->d_interp_in = d_interp; 1241 diag->d_div_in = d_div; 1242 } else { 1243 diag->d_interp_out = d_interp; 1244 diag->d_div_out = d_div; 1245 } 1246 } break; 1247 case CEED_FE_SPACE_HCURL: { 1248 CeedInt q_comp_interp, q_comp_curl; 1249 const CeedScalar *interp, *curl; 1250 CeedScalar *d_interp, *d_curl; 1251 1252 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp)); 1253 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_CURL, &q_comp_curl)); 1254 1255 CeedCallBackend(CeedBasisGetInterp(basis, &interp)); 1256 CeedCallCuda(ceed, cudaMalloc((void **)&d_interp, interp_bytes * q_comp_interp)); 1257 CeedCallCuda(ceed, cudaMemcpy(d_interp, interp, interp_bytes * q_comp_interp, cudaMemcpyHostToDevice)); 1258 CeedCallBackend(CeedBasisGetCurl(basis, &curl)); 1259 CeedCallCuda(ceed, cudaMalloc((void **)&d_curl, interp_bytes * q_comp_curl)); 1260 CeedCallCuda(ceed, cudaMemcpy(d_curl, curl, interp_bytes * q_comp_curl, cudaMemcpyHostToDevice)); 1261 if (in) { 1262 diag->d_interp_in = d_interp; 1263 diag->d_curl_in = d_curl; 1264 } else { 1265 diag->d_interp_out = d_interp; 1266 diag->d_curl_out = d_curl; 1267 } 1268 } break; 1269 } 1270 } 1271 1272 // Arrays of eval_modes 1273 CeedCallCuda(ceed, cudaMalloc((void **)&diag->d_eval_modes_in, num_eval_modes_in * eval_modes_bytes)); 1274 CeedCallCuda(ceed, cudaMemcpy(diag->d_eval_modes_in, eval_modes_in, num_eval_modes_in * eval_modes_bytes, cudaMemcpyHostToDevice)); 1275 CeedCallCuda(ceed, cudaMalloc((void **)&diag->d_eval_modes_out, num_eval_modes_out * eval_modes_bytes)); 1276 CeedCallCuda(ceed, cudaMemcpy(diag->d_eval_modes_out, eval_modes_out, num_eval_modes_out * eval_modes_bytes, cudaMemcpyHostToDevice)); 1277 CeedCallBackend(CeedFree(&eval_modes_in)); 1278 CeedCallBackend(CeedFree(&eval_modes_out)); 1279 CeedCallBackend(CeedBasisDestroy(&basis_in)); 1280 CeedCallBackend(CeedBasisDestroy(&basis_out)); 1281 return CEED_ERROR_SUCCESS; 1282 } 1283 1284 //------------------------------------------------------------------------------ 1285 // Assemble Diagonal Setup (Compilation) 1286 //------------------------------------------------------------------------------ 1287 static inline int CeedOperatorAssembleDiagonalSetupCompile_Cuda(CeedOperator op, CeedInt use_ceedsize_idx, const bool is_point_block) { 1288 Ceed ceed; 1289 char *diagonal_kernel_source; 1290 const char *diagonal_kernel_path; 1291 CeedInt num_input_fields, num_output_fields, num_eval_modes_in = 0, num_eval_modes_out = 0; 1292 CeedInt num_comp, q_comp, num_nodes, num_qpts; 1293 CeedBasis basis_in = NULL, basis_out = NULL; 1294 CeedQFunctionField *qf_fields; 1295 CeedQFunction qf; 1296 CeedOperatorField *op_fields; 1297 CeedOperator_Cuda *impl; 1298 1299 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1300 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 1301 CeedCallBackend(CeedQFunctionGetNumArgs(qf, &num_input_fields, &num_output_fields)); 1302 1303 // Determine active input basis 1304 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 1305 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 1306 for (CeedInt i = 0; i < num_input_fields; i++) { 1307 CeedVector vec; 1308 1309 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec)); 1310 if (vec == CEED_VECTOR_ACTIVE) { 1311 CeedEvalMode eval_mode; 1312 CeedBasis basis; 1313 1314 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 1315 if (!basis_in) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_in)); 1316 CeedCallBackend(CeedBasisDestroy(&basis)); 1317 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1318 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_in, eval_mode, &q_comp)); 1319 if (eval_mode != CEED_EVAL_WEIGHT) { 1320 num_eval_modes_in += q_comp; 1321 } 1322 } 1323 CeedCallBackend(CeedVectorDestroy(&vec)); 1324 } 1325 1326 // Determine active output basis 1327 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 1328 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 1329 for (CeedInt i = 0; i < num_output_fields; i++) { 1330 CeedVector vec; 1331 1332 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec)); 1333 if (vec == CEED_VECTOR_ACTIVE) { 1334 CeedEvalMode eval_mode; 1335 CeedBasis basis; 1336 1337 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 1338 if (!basis_out) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_out)); 1339 CeedCallBackend(CeedBasisDestroy(&basis)); 1340 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1341 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_out, eval_mode, &q_comp)); 1342 if (eval_mode != CEED_EVAL_WEIGHT) { 1343 num_eval_modes_out += q_comp; 1344 } 1345 } 1346 CeedCallBackend(CeedVectorDestroy(&vec)); 1347 } 1348 1349 // Operator data struct 1350 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1351 CeedOperatorDiag_Cuda *diag = impl->diag; 1352 1353 // Assemble kernel 1354 CUmodule *module = is_point_block ? &diag->module_point_block : &diag->module; 1355 CeedInt elems_per_block = 1; 1356 CeedCallBackend(CeedBasisGetNumNodes(basis_in, &num_nodes)); 1357 CeedCallBackend(CeedBasisGetNumComponents(basis_in, &num_comp)); 1358 if (basis_in == CEED_BASIS_NONE) num_qpts = num_nodes; 1359 else CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis_in, &num_qpts)); 1360 CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/cuda/cuda-ref-operator-assemble-diagonal.h", &diagonal_kernel_path)); 1361 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Diagonal Assembly Kernel Source -----\n"); 1362 CeedCallBackend(CeedLoadSourceToBuffer(ceed, diagonal_kernel_path, &diagonal_kernel_source)); 1363 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Diagonal Assembly Source Complete! -----\n"); 1364 CeedCallCuda(ceed, CeedCompile_Cuda(ceed, diagonal_kernel_source, module, 8, "NUM_EVAL_MODES_IN", num_eval_modes_in, "NUM_EVAL_MODES_OUT", 1365 num_eval_modes_out, "NUM_COMP", num_comp, "NUM_NODES", num_nodes, "NUM_QPTS", num_qpts, "USE_CEEDSIZE", 1366 use_ceedsize_idx, "USE_POINT_BLOCK", is_point_block ? 1 : 0, "BLOCK_SIZE", num_nodes * elems_per_block)); 1367 CeedCallCuda(ceed, CeedGetKernel_Cuda(ceed, *module, "LinearDiagonal", is_point_block ? &diag->LinearPointBlock : &diag->LinearDiagonal)); 1368 CeedCallBackend(CeedFree(&diagonal_kernel_path)); 1369 CeedCallBackend(CeedFree(&diagonal_kernel_source)); 1370 CeedCallBackend(CeedBasisDestroy(&basis_in)); 1371 CeedCallBackend(CeedBasisDestroy(&basis_out)); 1372 return CEED_ERROR_SUCCESS; 1373 } 1374 1375 //------------------------------------------------------------------------------ 1376 // Assemble Diagonal Core 1377 //------------------------------------------------------------------------------ 1378 static inline int CeedOperatorAssembleDiagonalCore_Cuda(CeedOperator op, CeedVector assembled, CeedRequest *request, const bool is_point_block) { 1379 Ceed ceed; 1380 CeedInt num_elem, num_nodes; 1381 CeedScalar *elem_diag_array; 1382 const CeedScalar *assembled_qf_array; 1383 CeedVector assembled_qf = NULL, elem_diag; 1384 CeedElemRestriction assembled_rstr = NULL, rstr_in, rstr_out, diag_rstr; 1385 CeedOperator_Cuda *impl; 1386 1387 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1388 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1389 1390 // Assemble QFunction 1391 CeedCallBackend(CeedOperatorLinearAssembleQFunctionBuildOrUpdate(op, &assembled_qf, &assembled_rstr, request)); 1392 CeedCallBackend(CeedElemRestrictionDestroy(&assembled_rstr)); 1393 CeedCallBackend(CeedVectorGetArrayRead(assembled_qf, CEED_MEM_DEVICE, &assembled_qf_array)); 1394 1395 // Setup 1396 if (!impl->diag) CeedCallBackend(CeedOperatorAssembleDiagonalSetup_Cuda(op)); 1397 CeedOperatorDiag_Cuda *diag = impl->diag; 1398 1399 assert(diag != NULL); 1400 1401 // Assemble kernel if needed 1402 if ((!is_point_block && !diag->LinearDiagonal) || (is_point_block && !diag->LinearPointBlock)) { 1403 CeedSize assembled_length, assembled_qf_length; 1404 CeedInt use_ceedsize_idx = 0; 1405 CeedCallBackend(CeedVectorGetLength(assembled, &assembled_length)); 1406 CeedCallBackend(CeedVectorGetLength(assembled_qf, &assembled_qf_length)); 1407 if ((assembled_length > INT_MAX) || (assembled_qf_length > INT_MAX)) use_ceedsize_idx = 1; 1408 1409 CeedCallBackend(CeedOperatorAssembleDiagonalSetupCompile_Cuda(op, use_ceedsize_idx, is_point_block)); 1410 } 1411 1412 // Restriction and diagonal vector 1413 CeedCallBackend(CeedOperatorGetActiveElemRestrictions(op, &rstr_in, &rstr_out)); 1414 CeedCheck(rstr_in == rstr_out, ceed, CEED_ERROR_BACKEND, 1415 "Cannot assemble operator diagonal with different input and output active element restrictions"); 1416 if (!is_point_block && !diag->diag_rstr) { 1417 CeedCallBackend(CeedElemRestrictionCreateUnsignedCopy(rstr_out, &diag->diag_rstr)); 1418 CeedCallBackend(CeedElemRestrictionCreateVector(diag->diag_rstr, NULL, &diag->elem_diag)); 1419 } else if (is_point_block && !diag->point_block_diag_rstr) { 1420 CeedCallBackend(CeedOperatorCreateActivePointBlockRestriction(rstr_out, &diag->point_block_diag_rstr)); 1421 CeedCallBackend(CeedElemRestrictionCreateVector(diag->point_block_diag_rstr, NULL, &diag->point_block_elem_diag)); 1422 } 1423 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_in)); 1424 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_out)); 1425 diag_rstr = is_point_block ? diag->point_block_diag_rstr : diag->diag_rstr; 1426 elem_diag = is_point_block ? diag->point_block_elem_diag : diag->elem_diag; 1427 CeedCallBackend(CeedVectorSetValue(elem_diag, 0.0)); 1428 1429 // Only assemble diagonal if the basis has nodes, otherwise inputs are null pointers 1430 CeedCallBackend(CeedElemRestrictionGetElementSize(diag_rstr, &num_nodes)); 1431 if (num_nodes > 0) { 1432 // Assemble element operator diagonals 1433 CeedCallBackend(CeedElemRestrictionGetNumElements(diag_rstr, &num_elem)); 1434 CeedCallBackend(CeedVectorGetArray(elem_diag, CEED_MEM_DEVICE, &elem_diag_array)); 1435 1436 // Compute the diagonal of B^T D B 1437 CeedInt elems_per_block = 1; 1438 CeedInt grid = CeedDivUpInt(num_elem, elems_per_block); 1439 void *args[] = {(void *)&num_elem, &diag->d_identity, &diag->d_interp_in, &diag->d_grad_in, &diag->d_div_in, 1440 &diag->d_curl_in, &diag->d_interp_out, &diag->d_grad_out, &diag->d_div_out, &diag->d_curl_out, 1441 &diag->d_eval_modes_in, &diag->d_eval_modes_out, &assembled_qf_array, &elem_diag_array}; 1442 1443 if (is_point_block) { 1444 CeedCallBackend(CeedRunKernelDim_Cuda(ceed, diag->LinearPointBlock, grid, num_nodes, 1, elems_per_block, args)); 1445 } else { 1446 CeedCallBackend(CeedRunKernelDim_Cuda(ceed, diag->LinearDiagonal, grid, num_nodes, 1, elems_per_block, args)); 1447 } 1448 1449 // Restore arrays 1450 CeedCallBackend(CeedVectorRestoreArray(elem_diag, &elem_diag_array)); 1451 CeedCallBackend(CeedVectorRestoreArrayRead(assembled_qf, &assembled_qf_array)); 1452 } 1453 1454 // Assemble local operator diagonal 1455 CeedCallBackend(CeedElemRestrictionApply(diag_rstr, CEED_TRANSPOSE, elem_diag, assembled, request)); 1456 1457 // Cleanup 1458 CeedCallBackend(CeedVectorDestroy(&assembled_qf)); 1459 return CEED_ERROR_SUCCESS; 1460 } 1461 1462 //------------------------------------------------------------------------------ 1463 // Assemble Linear Diagonal 1464 //------------------------------------------------------------------------------ 1465 static int CeedOperatorLinearAssembleAddDiagonal_Cuda(CeedOperator op, CeedVector assembled, CeedRequest *request) { 1466 CeedCallBackend(CeedOperatorAssembleDiagonalCore_Cuda(op, assembled, request, false)); 1467 return CEED_ERROR_SUCCESS; 1468 } 1469 1470 //------------------------------------------------------------------------------ 1471 // Assemble Linear Point Block Diagonal 1472 //------------------------------------------------------------------------------ 1473 static int CeedOperatorLinearAssembleAddPointBlockDiagonal_Cuda(CeedOperator op, CeedVector assembled, CeedRequest *request) { 1474 CeedCallBackend(CeedOperatorAssembleDiagonalCore_Cuda(op, assembled, request, true)); 1475 return CEED_ERROR_SUCCESS; 1476 } 1477 1478 //------------------------------------------------------------------------------ 1479 // Single Operator Assembly Setup 1480 //------------------------------------------------------------------------------ 1481 static int CeedSingleOperatorAssembleSetup_Cuda(CeedOperator op, CeedInt use_ceedsize_idx) { 1482 Ceed ceed; 1483 Ceed_Cuda *cuda_data; 1484 char *assembly_kernel_source; 1485 const char *assembly_kernel_path; 1486 CeedInt num_input_fields, num_output_fields, num_eval_modes_in = 0, num_eval_modes_out = 0; 1487 CeedInt elem_size_in, num_qpts_in = 0, num_comp_in, elem_size_out, num_qpts_out, num_comp_out, q_comp; 1488 CeedEvalMode *eval_modes_in = NULL, *eval_modes_out = NULL; 1489 CeedElemRestriction rstr_in = NULL, rstr_out = NULL; 1490 CeedBasis basis_in = NULL, basis_out = NULL; 1491 CeedQFunctionField *qf_fields; 1492 CeedQFunction qf; 1493 CeedOperatorField *input_fields, *output_fields; 1494 CeedOperator_Cuda *impl; 1495 1496 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1497 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1498 1499 // Get intput and output fields 1500 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &input_fields, &num_output_fields, &output_fields)); 1501 1502 // Determine active input basis eval mode 1503 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 1504 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 1505 for (CeedInt i = 0; i < num_input_fields; i++) { 1506 CeedVector vec; 1507 1508 CeedCallBackend(CeedOperatorFieldGetVector(input_fields[i], &vec)); 1509 if (vec == CEED_VECTOR_ACTIVE) { 1510 CeedEvalMode eval_mode; 1511 CeedElemRestriction elem_rstr; 1512 CeedBasis basis; 1513 1514 CeedCallBackend(CeedOperatorFieldGetBasis(input_fields[i], &basis)); 1515 CeedCheck(!basis_in || basis_in == basis, ceed, CEED_ERROR_BACKEND, "Backend does not implement operator assembly with multiple active bases"); 1516 if (!basis_in) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_in)); 1517 CeedCallBackend(CeedBasisDestroy(&basis)); 1518 CeedCallBackend(CeedOperatorFieldGetElemRestriction(input_fields[i], &elem_rstr)); 1519 if (!rstr_in) CeedCallBackend(CeedElemRestrictionReferenceCopy(elem_rstr, &rstr_in)); 1520 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 1521 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr_in, &elem_size_in)); 1522 if (basis_in == CEED_BASIS_NONE) num_qpts_in = elem_size_in; 1523 else CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis_in, &num_qpts_in)); 1524 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1525 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_in, eval_mode, &q_comp)); 1526 if (eval_mode != CEED_EVAL_WEIGHT) { 1527 // q_comp = 1 if CEED_EVAL_NONE, CEED_EVAL_WEIGHT caught by QF Assembly 1528 CeedCallBackend(CeedRealloc(num_eval_modes_in + q_comp, &eval_modes_in)); 1529 for (CeedInt d = 0; d < q_comp; d++) { 1530 eval_modes_in[num_eval_modes_in + d] = eval_mode; 1531 } 1532 num_eval_modes_in += q_comp; 1533 } 1534 } 1535 CeedCallBackend(CeedVectorDestroy(&vec)); 1536 } 1537 1538 // Determine active output basis; basis_out and rstr_out only used if same as input, TODO 1539 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 1540 for (CeedInt i = 0; i < num_output_fields; i++) { 1541 CeedVector vec; 1542 1543 CeedCallBackend(CeedOperatorFieldGetVector(output_fields[i], &vec)); 1544 if (vec == CEED_VECTOR_ACTIVE) { 1545 CeedEvalMode eval_mode; 1546 CeedElemRestriction elem_rstr; 1547 CeedBasis basis; 1548 1549 CeedCallBackend(CeedOperatorFieldGetBasis(output_fields[i], &basis)); 1550 CeedCheck(!basis_out || basis_out == basis, ceed, CEED_ERROR_BACKEND, 1551 "Backend does not implement operator assembly with multiple active bases"); 1552 if (!basis_out) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_out)); 1553 CeedCallBackend(CeedBasisDestroy(&basis)); 1554 CeedCallBackend(CeedOperatorFieldGetElemRestriction(output_fields[i], &elem_rstr)); 1555 if (!rstr_out) CeedCallBackend(CeedElemRestrictionReferenceCopy(elem_rstr, &rstr_out)); 1556 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 1557 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr_out, &elem_size_out)); 1558 if (basis_out == CEED_BASIS_NONE) num_qpts_out = elem_size_out; 1559 else CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis_out, &num_qpts_out)); 1560 CeedCheck(num_qpts_in == num_qpts_out, ceed, CEED_ERROR_UNSUPPORTED, 1561 "Active input and output bases must have the same number of quadrature points"); 1562 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1563 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_out, eval_mode, &q_comp)); 1564 if (eval_mode != CEED_EVAL_WEIGHT) { 1565 // q_comp = 1 if CEED_EVAL_NONE, CEED_EVAL_WEIGHT caught by QF Assembly 1566 CeedCallBackend(CeedRealloc(num_eval_modes_out + q_comp, &eval_modes_out)); 1567 for (CeedInt d = 0; d < q_comp; d++) { 1568 eval_modes_out[num_eval_modes_out + d] = eval_mode; 1569 } 1570 num_eval_modes_out += q_comp; 1571 } 1572 } 1573 CeedCallBackend(CeedVectorDestroy(&vec)); 1574 } 1575 CeedCheck(num_eval_modes_in > 0 && num_eval_modes_out > 0, ceed, CEED_ERROR_UNSUPPORTED, "Cannot assemble operator without inputs/outputs"); 1576 1577 CeedCallBackend(CeedCalloc(1, &impl->asmb)); 1578 CeedOperatorAssemble_Cuda *asmb = impl->asmb; 1579 asmb->elems_per_block = 1; 1580 asmb->block_size_x = elem_size_in; 1581 asmb->block_size_y = elem_size_out; 1582 1583 CeedCallBackend(CeedGetData(ceed, &cuda_data)); 1584 bool fallback = asmb->block_size_x * asmb->block_size_y * asmb->elems_per_block > cuda_data->device_prop.maxThreadsPerBlock; 1585 1586 if (fallback) { 1587 // Use fallback kernel with 1D threadblock 1588 asmb->block_size_y = 1; 1589 } 1590 1591 // Compile kernels 1592 CeedCallBackend(CeedElemRestrictionGetNumComponents(rstr_in, &num_comp_in)); 1593 CeedCallBackend(CeedElemRestrictionGetNumComponents(rstr_out, &num_comp_out)); 1594 CeedCallBackend(CeedGetJitAbsolutePath(ceed, "ceed/jit-source/cuda/cuda-ref-operator-assemble.h", &assembly_kernel_path)); 1595 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Assembly Kernel Source -----\n"); 1596 CeedCallBackend(CeedLoadSourceToBuffer(ceed, assembly_kernel_path, &assembly_kernel_source)); 1597 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading Assembly Source Complete! -----\n"); 1598 CeedCallBackend(CeedCompile_Cuda(ceed, assembly_kernel_source, &asmb->module, 10, "NUM_EVAL_MODES_IN", num_eval_modes_in, "NUM_EVAL_MODES_OUT", 1599 num_eval_modes_out, "NUM_COMP_IN", num_comp_in, "NUM_COMP_OUT", num_comp_out, "NUM_NODES_IN", elem_size_in, 1600 "NUM_NODES_OUT", elem_size_out, "NUM_QPTS", num_qpts_in, "BLOCK_SIZE", 1601 asmb->block_size_x * asmb->block_size_y * asmb->elems_per_block, "BLOCK_SIZE_Y", asmb->block_size_y, 1602 "USE_CEEDSIZE", use_ceedsize_idx)); 1603 CeedCallBackend(CeedGetKernel_Cuda(ceed, asmb->module, "LinearAssemble", &asmb->LinearAssemble)); 1604 CeedCallBackend(CeedFree(&assembly_kernel_path)); 1605 CeedCallBackend(CeedFree(&assembly_kernel_source)); 1606 1607 // Load into B_in, in order that they will be used in eval_modes_in 1608 { 1609 const CeedInt in_bytes = elem_size_in * num_qpts_in * num_eval_modes_in * sizeof(CeedScalar); 1610 CeedInt d_in = 0; 1611 CeedEvalMode eval_modes_in_prev = CEED_EVAL_NONE; 1612 bool has_eval_none = false; 1613 CeedScalar *identity = NULL; 1614 1615 for (CeedInt i = 0; i < num_eval_modes_in; i++) { 1616 has_eval_none = has_eval_none || (eval_modes_in[i] == CEED_EVAL_NONE); 1617 } 1618 if (has_eval_none) { 1619 CeedCallBackend(CeedCalloc(elem_size_in * num_qpts_in, &identity)); 1620 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; 1621 } 1622 1623 CeedCallCuda(ceed, cudaMalloc((void **)&asmb->d_B_in, in_bytes)); 1624 for (CeedInt i = 0; i < num_eval_modes_in; i++) { 1625 const CeedScalar *h_B_in; 1626 1627 CeedCallBackend(CeedOperatorGetBasisPointer(basis_in, eval_modes_in[i], identity, &h_B_in)); 1628 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_in, eval_modes_in[i], &q_comp)); 1629 if (q_comp > 1) { 1630 if (i == 0 || eval_modes_in[i] != eval_modes_in_prev) d_in = 0; 1631 else h_B_in = &h_B_in[(++d_in) * elem_size_in * num_qpts_in]; 1632 } 1633 eval_modes_in_prev = eval_modes_in[i]; 1634 1635 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), 1636 cudaMemcpyHostToDevice)); 1637 } 1638 CeedCallBackend(CeedFree(&identity)); 1639 } 1640 CeedCallBackend(CeedFree(&eval_modes_in)); 1641 1642 // Load into B_out, in order that they will be used in eval_modes_out 1643 { 1644 const CeedInt out_bytes = elem_size_out * num_qpts_out * num_eval_modes_out * sizeof(CeedScalar); 1645 CeedInt d_out = 0; 1646 CeedEvalMode eval_modes_out_prev = CEED_EVAL_NONE; 1647 bool has_eval_none = false; 1648 CeedScalar *identity = NULL; 1649 1650 for (CeedInt i = 0; i < num_eval_modes_out; i++) { 1651 has_eval_none = has_eval_none || (eval_modes_out[i] == CEED_EVAL_NONE); 1652 } 1653 if (has_eval_none) { 1654 CeedCallBackend(CeedCalloc(elem_size_out * num_qpts_out, &identity)); 1655 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; 1656 } 1657 1658 CeedCallCuda(ceed, cudaMalloc((void **)&asmb->d_B_out, out_bytes)); 1659 for (CeedInt i = 0; i < num_eval_modes_out; i++) { 1660 const CeedScalar *h_B_out; 1661 1662 CeedCallBackend(CeedOperatorGetBasisPointer(basis_out, eval_modes_out[i], identity, &h_B_out)); 1663 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_out, eval_modes_out[i], &q_comp)); 1664 if (q_comp > 1) { 1665 if (i == 0 || eval_modes_out[i] != eval_modes_out_prev) d_out = 0; 1666 else h_B_out = &h_B_out[(++d_out) * elem_size_out * num_qpts_out]; 1667 } 1668 eval_modes_out_prev = eval_modes_out[i]; 1669 1670 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), 1671 cudaMemcpyHostToDevice)); 1672 } 1673 CeedCallBackend(CeedFree(&identity)); 1674 } 1675 CeedCallBackend(CeedFree(&eval_modes_out)); 1676 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_in)); 1677 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_out)); 1678 CeedCallBackend(CeedBasisDestroy(&basis_in)); 1679 CeedCallBackend(CeedBasisDestroy(&basis_out)); 1680 return CEED_ERROR_SUCCESS; 1681 } 1682 1683 //------------------------------------------------------------------------------ 1684 // Assemble matrix data for COO matrix of assembled operator. 1685 // The sparsity pattern is set by CeedOperatorLinearAssembleSymbolic. 1686 // 1687 // Note that this (and other assembly routines) currently assume only one active input restriction/basis per operator 1688 // (could have multiple basis eval modes). 1689 // TODO: allow multiple active input restrictions/basis objects 1690 //------------------------------------------------------------------------------ 1691 static int CeedSingleOperatorAssemble_Cuda(CeedOperator op, CeedInt offset, CeedVector values) { 1692 Ceed ceed; 1693 CeedSize values_length = 0, assembled_qf_length = 0; 1694 CeedInt use_ceedsize_idx = 0, num_elem_in, num_elem_out, elem_size_in, elem_size_out; 1695 CeedScalar *values_array; 1696 const CeedScalar *assembled_qf_array; 1697 CeedVector assembled_qf = NULL; 1698 CeedElemRestriction assembled_rstr = NULL, rstr_in, rstr_out; 1699 CeedRestrictionType rstr_type_in, rstr_type_out; 1700 const bool *orients_in = NULL, *orients_out = NULL; 1701 const CeedInt8 *curl_orients_in = NULL, *curl_orients_out = NULL; 1702 CeedOperator_Cuda *impl; 1703 1704 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1705 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1706 1707 // Assemble QFunction 1708 CeedCallBackend(CeedOperatorLinearAssembleQFunctionBuildOrUpdate(op, &assembled_qf, &assembled_rstr, CEED_REQUEST_IMMEDIATE)); 1709 CeedCallBackend(CeedElemRestrictionDestroy(&assembled_rstr)); 1710 CeedCallBackend(CeedVectorGetArrayRead(assembled_qf, CEED_MEM_DEVICE, &assembled_qf_array)); 1711 1712 CeedCallBackend(CeedVectorGetLength(values, &values_length)); 1713 CeedCallBackend(CeedVectorGetLength(assembled_qf, &assembled_qf_length)); 1714 if ((values_length > INT_MAX) || (assembled_qf_length > INT_MAX)) use_ceedsize_idx = 1; 1715 1716 // Setup 1717 if (!impl->asmb) CeedCallBackend(CeedSingleOperatorAssembleSetup_Cuda(op, use_ceedsize_idx)); 1718 CeedOperatorAssemble_Cuda *asmb = impl->asmb; 1719 1720 assert(asmb != NULL); 1721 1722 // Assemble element operator 1723 CeedCallBackend(CeedVectorGetArray(values, CEED_MEM_DEVICE, &values_array)); 1724 values_array += offset; 1725 1726 CeedCallBackend(CeedOperatorGetActiveElemRestrictions(op, &rstr_in, &rstr_out)); 1727 CeedCallBackend(CeedElemRestrictionGetNumElements(rstr_in, &num_elem_in)); 1728 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr_in, &elem_size_in)); 1729 1730 CeedCallBackend(CeedElemRestrictionGetType(rstr_in, &rstr_type_in)); 1731 if (rstr_type_in == CEED_RESTRICTION_ORIENTED) { 1732 CeedCallBackend(CeedElemRestrictionGetOrientations(rstr_in, CEED_MEM_DEVICE, &orients_in)); 1733 } else if (rstr_type_in == CEED_RESTRICTION_CURL_ORIENTED) { 1734 CeedCallBackend(CeedElemRestrictionGetCurlOrientations(rstr_in, CEED_MEM_DEVICE, &curl_orients_in)); 1735 } 1736 1737 if (rstr_in != rstr_out) { 1738 CeedCallBackend(CeedElemRestrictionGetNumElements(rstr_out, &num_elem_out)); 1739 CeedCheck(num_elem_in == num_elem_out, ceed, CEED_ERROR_UNSUPPORTED, 1740 "Active input and output operator restrictions must have the same number of elements"); 1741 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr_out, &elem_size_out)); 1742 1743 CeedCallBackend(CeedElemRestrictionGetType(rstr_out, &rstr_type_out)); 1744 if (rstr_type_out == CEED_RESTRICTION_ORIENTED) { 1745 CeedCallBackend(CeedElemRestrictionGetOrientations(rstr_out, CEED_MEM_DEVICE, &orients_out)); 1746 } else if (rstr_type_out == CEED_RESTRICTION_CURL_ORIENTED) { 1747 CeedCallBackend(CeedElemRestrictionGetCurlOrientations(rstr_out, CEED_MEM_DEVICE, &curl_orients_out)); 1748 } 1749 } else { 1750 elem_size_out = elem_size_in; 1751 orients_out = orients_in; 1752 curl_orients_out = curl_orients_in; 1753 } 1754 1755 // Compute B^T D B 1756 CeedInt shared_mem = 1757 ((curl_orients_in || curl_orients_out ? elem_size_in * elem_size_out : 0) + (curl_orients_in ? elem_size_in * asmb->block_size_y : 0)) * 1758 sizeof(CeedScalar); 1759 CeedInt grid = CeedDivUpInt(num_elem_in, asmb->elems_per_block); 1760 void *args[] = {(void *)&num_elem_in, &asmb->d_B_in, &asmb->d_B_out, &orients_in, &curl_orients_in, 1761 &orients_out, &curl_orients_out, &assembled_qf_array, &values_array}; 1762 1763 CeedCallBackend( 1764 CeedRunKernelDimShared_Cuda(ceed, asmb->LinearAssemble, grid, asmb->block_size_x, asmb->block_size_y, asmb->elems_per_block, shared_mem, args)); 1765 1766 // Restore arrays 1767 CeedCallBackend(CeedVectorRestoreArray(values, &values_array)); 1768 CeedCallBackend(CeedVectorRestoreArrayRead(assembled_qf, &assembled_qf_array)); 1769 1770 // Cleanup 1771 CeedCallBackend(CeedVectorDestroy(&assembled_qf)); 1772 if (rstr_type_in == CEED_RESTRICTION_ORIENTED) { 1773 CeedCallBackend(CeedElemRestrictionRestoreOrientations(rstr_in, &orients_in)); 1774 } else if (rstr_type_in == CEED_RESTRICTION_CURL_ORIENTED) { 1775 CeedCallBackend(CeedElemRestrictionRestoreCurlOrientations(rstr_in, &curl_orients_in)); 1776 } 1777 if (rstr_in != rstr_out) { 1778 if (rstr_type_out == CEED_RESTRICTION_ORIENTED) { 1779 CeedCallBackend(CeedElemRestrictionRestoreOrientations(rstr_out, &orients_out)); 1780 } else if (rstr_type_out == CEED_RESTRICTION_CURL_ORIENTED) { 1781 CeedCallBackend(CeedElemRestrictionRestoreCurlOrientations(rstr_out, &curl_orients_out)); 1782 } 1783 } 1784 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_in)); 1785 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_out)); 1786 return CEED_ERROR_SUCCESS; 1787 } 1788 1789 //------------------------------------------------------------------------------ 1790 // Assemble Linear QFunction AtPoints 1791 //------------------------------------------------------------------------------ 1792 static int CeedOperatorLinearAssembleQFunctionAtPoints_Cuda(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 1793 return CeedError(CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "Backend does not implement CeedOperatorLinearAssembleQFunction"); 1794 } 1795 1796 //------------------------------------------------------------------------------ 1797 // Assemble Linear Diagonal AtPoints 1798 //------------------------------------------------------------------------------ 1799 static int CeedOperatorLinearAssembleAddDiagonalAtPoints_Cuda(CeedOperator op, CeedVector assembled, CeedRequest *request) { 1800 CeedInt max_num_points, *num_points, num_elem, num_input_fields, num_output_fields; 1801 Ceed ceed; 1802 CeedVector active_e_vec_in, active_e_vec_out; 1803 CeedQFunctionField *qf_input_fields, *qf_output_fields; 1804 CeedQFunction qf; 1805 CeedOperatorField *op_input_fields, *op_output_fields; 1806 CeedOperator_Cuda *impl; 1807 1808 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1809 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1810 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 1811 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 1812 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 1813 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 1814 1815 // Setup 1816 CeedCallBackend(CeedOperatorSetupAtPoints_Cuda(op)); 1817 num_points = impl->num_points; 1818 max_num_points = impl->max_num_points; 1819 1820 // Work vector 1821 CeedCallBackend(CeedGetWorkVector(ceed, impl->max_active_e_vec_len, &active_e_vec_in)); 1822 CeedCallBackend(CeedGetWorkVector(ceed, impl->max_active_e_vec_len, &active_e_vec_out)); 1823 { 1824 CeedSize length_in, length_out; 1825 1826 CeedCallBackend(CeedVectorGetLength(active_e_vec_in, &length_in)); 1827 CeedCallBackend(CeedVectorGetLength(active_e_vec_out, &length_out)); 1828 // Need input e_vec to be longer 1829 if (length_in < length_out) { 1830 CeedVector temp = active_e_vec_in; 1831 1832 active_e_vec_in = active_e_vec_out; 1833 active_e_vec_out = temp; 1834 } 1835 } 1836 1837 // Get point coordinates 1838 if (!impl->point_coords_elem) { 1839 CeedVector point_coords = NULL; 1840 CeedElemRestriction rstr_points = NULL; 1841 1842 CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, &point_coords)); 1843 CeedCallBackend(CeedElemRestrictionCreateVector(rstr_points, NULL, &impl->point_coords_elem)); 1844 CeedCallBackend(CeedElemRestrictionApply(rstr_points, CEED_NOTRANSPOSE, point_coords, impl->point_coords_elem, request)); 1845 CeedCallBackend(CeedVectorDestroy(&point_coords)); 1846 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); 1847 } 1848 1849 // Process inputs 1850 for (CeedInt i = 0; i < num_input_fields; i++) { 1851 CeedCallBackend(CeedOperatorInputRestrict_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, true, impl, request)); 1852 CeedCallBackend(CeedOperatorInputBasisAtPoints_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, num_elem, num_points, true, impl)); 1853 } 1854 1855 // Clear active input Qvecs 1856 for (CeedInt i = 0; i < num_input_fields; i++) { 1857 bool is_active = false; 1858 CeedVector l_vec; 1859 1860 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &l_vec)); 1861 is_active = l_vec == CEED_VECTOR_ACTIVE; 1862 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1863 if (!is_active) continue; 1864 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 1865 } 1866 1867 // Output pointers, as necessary 1868 for (CeedInt i = 0; i < num_output_fields; i++) { 1869 CeedEvalMode eval_mode; 1870 1871 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 1872 if (eval_mode == CEED_EVAL_NONE) { 1873 CeedScalar *e_vec_array; 1874 1875 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 1876 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, CEED_USE_POINTER, e_vec_array)); 1877 } 1878 } 1879 1880 // Loop over active fields 1881 for (CeedInt i = 0; i < num_input_fields; i++) { 1882 bool is_active = false, is_active_at_points = true; 1883 CeedInt elem_size = 1, num_comp_active = 1, e_vec_size = 0; 1884 CeedRestrictionType rstr_type; 1885 CeedVector l_vec; 1886 CeedElemRestriction elem_rstr; 1887 1888 // -- Skip non-active input 1889 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &l_vec)); 1890 is_active = l_vec == CEED_VECTOR_ACTIVE; 1891 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1892 if (!is_active) continue; 1893 1894 // -- Get active restriction type 1895 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &elem_rstr)); 1896 CeedCallBackend(CeedElemRestrictionGetType(elem_rstr, &rstr_type)); 1897 is_active_at_points = rstr_type == CEED_RESTRICTION_POINTS; 1898 if (!is_active_at_points) CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 1899 else elem_size = max_num_points; 1900 CeedCallBackend(CeedElemRestrictionGetNumComponents(elem_rstr, &num_comp_active)); 1901 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 1902 1903 e_vec_size = elem_size * num_comp_active; 1904 for (CeedInt s = 0; s < e_vec_size; s++) { 1905 bool is_active = false; 1906 CeedEvalMode eval_mode; 1907 CeedVector l_vec, q_vec = impl->q_vecs_in[i]; 1908 1909 // Skip non-active input 1910 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &l_vec)); 1911 is_active = l_vec == CEED_VECTOR_ACTIVE; 1912 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1913 if (!is_active) continue; 1914 1915 // Update unit vector 1916 if (s == 0) CeedCallBackend(CeedVectorSetValue(active_e_vec_in, 0.0)); 1917 else CeedCallBackend(CeedVectorSetValueStrided(active_e_vec_in, s - 1, e_vec_size, 0.0)); 1918 CeedCallBackend(CeedVectorSetValueStrided(active_e_vec_in, s, e_vec_size, 1.0)); 1919 1920 // Basis action 1921 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_fields[i], &eval_mode)); 1922 switch (eval_mode) { 1923 case CEED_EVAL_NONE: { 1924 const CeedScalar *e_vec_array; 1925 1926 CeedCallBackend(CeedVectorGetArrayRead(active_e_vec_in, CEED_MEM_DEVICE, &e_vec_array)); 1927 CeedCallBackend(CeedVectorSetArray(q_vec, CEED_MEM_DEVICE, CEED_USE_POINTER, (CeedScalar *)e_vec_array)); 1928 break; 1929 } 1930 case CEED_EVAL_INTERP: 1931 case CEED_EVAL_GRAD: 1932 case CEED_EVAL_DIV: 1933 case CEED_EVAL_CURL: { 1934 CeedBasis basis; 1935 1936 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_fields[i], &basis)); 1937 CeedCallBackend( 1938 CeedBasisApplyAtPoints(basis, num_elem, num_points, CEED_NOTRANSPOSE, eval_mode, impl->point_coords_elem, active_e_vec_in, q_vec)); 1939 CeedCallBackend(CeedBasisDestroy(&basis)); 1940 break; 1941 } 1942 case CEED_EVAL_WEIGHT: 1943 break; // No action 1944 } 1945 1946 // Q function 1947 CeedCallBackend(CeedQFunctionApply(qf, num_elem * max_num_points, impl->q_vecs_in, impl->q_vecs_out)); 1948 1949 // Output basis apply if needed 1950 for (CeedInt j = 0; j < num_output_fields; j++) { 1951 bool is_active = false; 1952 CeedInt elem_size = 0; 1953 CeedRestrictionType rstr_type; 1954 CeedEvalMode eval_mode; 1955 CeedVector l_vec, e_vec = impl->e_vecs_out[j], q_vec = impl->q_vecs_out[j]; 1956 CeedElemRestriction elem_rstr; 1957 1958 // ---- Skip non-active output 1959 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[j], &l_vec)); 1960 is_active = l_vec == CEED_VECTOR_ACTIVE; 1961 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1962 if (!is_active) continue; 1963 if (!e_vec) e_vec = active_e_vec_out; 1964 1965 // ---- Check if elem size matches 1966 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[j], &elem_rstr)); 1967 CeedCallBackend(CeedElemRestrictionGetType(elem_rstr, &rstr_type)); 1968 if (is_active_at_points && rstr_type != CEED_RESTRICTION_POINTS) continue; 1969 if (rstr_type == CEED_RESTRICTION_POINTS) { 1970 CeedCallBackend(CeedElemRestrictionGetMaxPointsInElement(elem_rstr, &elem_size)); 1971 } else { 1972 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 1973 } 1974 { 1975 CeedInt num_comp = 0; 1976 1977 CeedCallBackend(CeedElemRestrictionGetNumComponents(elem_rstr, &num_comp)); 1978 if (e_vec_size != num_comp * elem_size) continue; 1979 } 1980 1981 // Basis action 1982 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[j], &eval_mode)); 1983 switch (eval_mode) { 1984 case CEED_EVAL_NONE: { 1985 CeedScalar *e_vec_array; 1986 1987 CeedCallBackend(CeedVectorTakeArray(q_vec, CEED_MEM_DEVICE, &e_vec_array)); 1988 CeedCallBackend(CeedVectorRestoreArray(e_vec, &e_vec_array)); 1989 break; 1990 } 1991 case CEED_EVAL_INTERP: 1992 case CEED_EVAL_GRAD: 1993 case CEED_EVAL_DIV: 1994 case CEED_EVAL_CURL: { 1995 CeedBasis basis; 1996 1997 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[j], &basis)); 1998 CeedCallBackend(CeedBasisApplyAtPoints(basis, num_elem, num_points, CEED_TRANSPOSE, eval_mode, impl->point_coords_elem, q_vec, e_vec)); 1999 CeedCallBackend(CeedBasisDestroy(&basis)); 2000 break; 2001 } 2002 // LCOV_EXCL_START 2003 case CEED_EVAL_WEIGHT: { 2004 return CeedError(CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 2005 // LCOV_EXCL_STOP 2006 } 2007 } 2008 2009 // Mask output e-vec 2010 CeedCallBackend(CeedVectorPointwiseMult(e_vec, active_e_vec_in, e_vec)); 2011 2012 // Restrict 2013 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_TRANSPOSE, e_vec, assembled, request)); 2014 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 2015 2016 // Reset q_vec for 2017 if (eval_mode == CEED_EVAL_NONE) { 2018 CeedScalar *e_vec_array; 2019 2020 CeedCallBackend(CeedVectorGetArrayWrite(e_vec, CEED_MEM_DEVICE, &e_vec_array)); 2021 CeedCallBackend(CeedVectorSetArray(q_vec, CEED_MEM_DEVICE, CEED_USE_POINTER, e_vec_array)); 2022 } 2023 } 2024 2025 // Reset vec 2026 if (s == e_vec_size - 1 && i != num_input_fields - 1) CeedCallBackend(CeedVectorSetValue(q_vec, 0.0)); 2027 } 2028 } 2029 2030 // Restore CEED_EVAL_NONE 2031 for (CeedInt i = 0; i < num_output_fields; i++) { 2032 CeedEvalMode eval_mode; 2033 2034 // Get eval_mode 2035 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 2036 2037 // Restore evec 2038 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 2039 if (eval_mode == CEED_EVAL_NONE) { 2040 CeedScalar *e_vec_array; 2041 2042 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_in[i], CEED_MEM_DEVICE, &e_vec_array)); 2043 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_in[i], &e_vec_array)); 2044 } 2045 } 2046 2047 // Restore input arrays 2048 for (CeedInt i = 0; i < num_input_fields; i++) { 2049 CeedCallBackend(CeedOperatorInputRestore_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, true, impl)); 2050 } 2051 2052 // Restore work vector 2053 CeedCallBackend(CeedRestoreWorkVector(ceed, &active_e_vec_in)); 2054 CeedCallBackend(CeedRestoreWorkVector(ceed, &active_e_vec_out)); 2055 return CEED_ERROR_SUCCESS; 2056 } 2057 2058 //------------------------------------------------------------------------------ 2059 // Create operator 2060 //------------------------------------------------------------------------------ 2061 int CeedOperatorCreate_Cuda(CeedOperator op) { 2062 Ceed ceed; 2063 CeedOperator_Cuda *impl; 2064 2065 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 2066 CeedCallBackend(CeedCalloc(1, &impl)); 2067 CeedCallBackend(CeedOperatorSetData(op, impl)); 2068 2069 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Cuda)); 2070 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Cuda)); 2071 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleAddDiagonal", CeedOperatorLinearAssembleAddDiagonal_Cuda)); 2072 CeedCallBackend( 2073 CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleAddPointBlockDiagonal", CeedOperatorLinearAssembleAddPointBlockDiagonal_Cuda)); 2074 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleSingle", CeedSingleOperatorAssemble_Cuda)); 2075 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Cuda)); 2076 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Cuda)); 2077 return CEED_ERROR_SUCCESS; 2078 } 2079 2080 //------------------------------------------------------------------------------ 2081 // Create operator AtPoints 2082 //------------------------------------------------------------------------------ 2083 int CeedOperatorCreateAtPoints_Cuda(CeedOperator op) { 2084 Ceed ceed; 2085 CeedOperator_Cuda *impl; 2086 2087 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 2088 CeedCallBackend(CeedCalloc(1, &impl)); 2089 CeedCallBackend(CeedOperatorSetData(op, impl)); 2090 2091 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunctionAtPoints_Cuda)); 2092 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleAddDiagonal", CeedOperatorLinearAssembleAddDiagonalAtPoints_Cuda)); 2093 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAddAtPoints_Cuda)); 2094 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Cuda)); 2095 return CEED_ERROR_SUCCESS; 2096 } 2097 2098 //------------------------------------------------------------------------------ 2099