1 // Copyright (c) 2017-2025, Lawrence Livermore National Security, LLC and other CEED contributors. 2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3 // 4 // SPDX-License-Identifier: BSD-2-Clause 5 // 6 // This file is part of CEED: http://github.com/ceed 7 8 #include <ceed.h> 9 #include <ceed/backend.h> 10 #include <ceed/jit-tools.h> 11 #include <assert.h> 12 #include <cuda.h> 13 #include <cuda_runtime.h> 14 #include <stdbool.h> 15 #include <string.h> 16 17 #include "../cuda/ceed-cuda-common.h" 18 #include "../cuda/ceed-cuda-compile.h" 19 #include "ceed-cuda-ref.h" 20 21 //------------------------------------------------------------------------------ 22 // Destroy operator 23 //------------------------------------------------------------------------------ 24 static int CeedOperatorDestroy_Cuda(CeedOperator op) { 25 CeedOperator_Cuda *impl; 26 27 CeedCallBackend(CeedOperatorGetData(op, &impl)); 28 29 // Apply data 30 CeedCallBackend(CeedFree(&impl->num_points)); 31 CeedCallBackend(CeedFree(&impl->skip_rstr_in)); 32 CeedCallBackend(CeedFree(&impl->skip_rstr_out)); 33 CeedCallBackend(CeedFree(&impl->apply_add_basis_out)); 34 CeedCallBackend(CeedFree(&impl->input_field_order)); 35 CeedCallBackend(CeedFree(&impl->output_field_order)); 36 CeedCallBackend(CeedFree(&impl->input_states)); 37 38 for (CeedInt i = 0; i < impl->num_inputs; i++) { 39 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_in[i])); 40 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_in[i])); 41 } 42 CeedCallBackend(CeedFree(&impl->e_vecs_in)); 43 CeedCallBackend(CeedFree(&impl->q_vecs_in)); 44 45 for (CeedInt i = 0; i < impl->num_outputs; i++) { 46 CeedCallBackend(CeedVectorDestroy(&impl->e_vecs_out[i])); 47 CeedCallBackend(CeedVectorDestroy(&impl->q_vecs_out[i])); 48 } 49 CeedCallBackend(CeedFree(&impl->e_vecs_out)); 50 CeedCallBackend(CeedFree(&impl->q_vecs_out)); 51 CeedCallBackend(CeedVectorDestroy(&impl->point_coords_elem)); 52 53 // QFunction assembly data 54 for (CeedInt i = 0; i < impl->num_active_in; i++) { 55 CeedCallBackend(CeedVectorDestroy(&impl->qf_active_in[i])); 56 } 57 CeedCallBackend(CeedFree(&impl->qf_active_in)); 58 59 // Diag data 60 if (impl->diag) { 61 Ceed ceed; 62 63 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 64 if (impl->diag->module) { 65 CeedCallCuda(ceed, cuModuleUnload(impl->diag->module)); 66 } 67 if (impl->diag->module_point_block) { 68 CeedCallCuda(ceed, cuModuleUnload(impl->diag->module_point_block)); 69 } 70 CeedCallCuda(ceed, cudaFree(impl->diag->d_eval_modes_in)); 71 CeedCallCuda(ceed, cudaFree(impl->diag->d_eval_modes_out)); 72 CeedCallCuda(ceed, cudaFree(impl->diag->d_identity)); 73 CeedCallCuda(ceed, cudaFree(impl->diag->d_interp_in)); 74 CeedCallCuda(ceed, cudaFree(impl->diag->d_interp_out)); 75 CeedCallCuda(ceed, cudaFree(impl->diag->d_grad_in)); 76 CeedCallCuda(ceed, cudaFree(impl->diag->d_grad_out)); 77 CeedCallCuda(ceed, cudaFree(impl->diag->d_div_in)); 78 CeedCallCuda(ceed, cudaFree(impl->diag->d_div_out)); 79 CeedCallCuda(ceed, cudaFree(impl->diag->d_curl_in)); 80 CeedCallCuda(ceed, cudaFree(impl->diag->d_curl_out)); 81 CeedCallBackend(CeedDestroy(&ceed)); 82 CeedCallBackend(CeedVectorDestroy(&impl->diag->elem_diag)); 83 CeedCallBackend(CeedVectorDestroy(&impl->diag->point_block_elem_diag)); 84 CeedCallBackend(CeedElemRestrictionDestroy(&impl->diag->diag_rstr)); 85 CeedCallBackend(CeedElemRestrictionDestroy(&impl->diag->point_block_diag_rstr)); 86 } 87 CeedCallBackend(CeedFree(&impl->diag)); 88 89 if (impl->asmb) { 90 Ceed ceed; 91 92 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 93 CeedCallCuda(ceed, cuModuleUnload(impl->asmb->module)); 94 CeedCallCuda(ceed, cudaFree(impl->asmb->d_B_in)); 95 CeedCallCuda(ceed, cudaFree(impl->asmb->d_B_out)); 96 CeedCallBackend(CeedDestroy(&ceed)); 97 } 98 CeedCallBackend(CeedFree(&impl->asmb)); 99 100 CeedCallBackend(CeedFree(&impl)); 101 return CEED_ERROR_SUCCESS; 102 } 103 104 //------------------------------------------------------------------------------ 105 // Setup infields or outfields 106 //------------------------------------------------------------------------------ 107 static int CeedOperatorSetupFields_Cuda(CeedQFunction qf, CeedOperator op, bool is_input, bool is_at_points, bool *skip_rstr, bool *apply_add_basis, 108 CeedVector *e_vecs, CeedVector *q_vecs, CeedInt num_fields, CeedInt Q, CeedInt num_elem) { 109 Ceed ceed; 110 CeedQFunctionField *qf_fields; 111 CeedOperatorField *op_fields; 112 113 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 114 if (is_input) { 115 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 116 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 117 } else { 118 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 119 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 120 } 121 122 // Loop over fields 123 for (CeedInt i = 0; i < num_fields; i++) { 124 bool is_active = false, is_strided = false, skip_e_vec = false; 125 CeedSize q_size; 126 CeedInt size; 127 CeedEvalMode eval_mode; 128 CeedVector l_vec; 129 CeedElemRestriction elem_rstr; 130 131 // Check whether this field can skip the element restriction: 132 // Input CEED_VECTOR_ACTIVE 133 // Output CEED_VECTOR_ACTIVE without CEED_EVAL_NONE 134 // Input CEED_VECTOR_NONE with CEED_EVAL_WEIGHT 135 // Input passive vector with CEED_EVAL_NONE and strided restriction with CEED_STRIDES_BACKEND 136 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &l_vec)); 137 is_active = l_vec == CEED_VECTOR_ACTIVE; 138 CeedCallBackend(CeedVectorDestroy(&l_vec)); 139 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &elem_rstr)); 140 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 141 skip_e_vec = (is_input && is_active) || (is_active && eval_mode != CEED_EVAL_NONE) || (eval_mode == CEED_EVAL_WEIGHT); 142 if (!skip_e_vec && is_input && !is_active && eval_mode == CEED_EVAL_NONE) { 143 CeedCallBackend(CeedElemRestrictionIsStrided(elem_rstr, &is_strided)); 144 if (is_strided) CeedCallBackend(CeedElemRestrictionHasBackendStrides(elem_rstr, &skip_e_vec)); 145 } 146 if (skip_e_vec) { 147 e_vecs[i] = NULL; 148 } else { 149 CeedCallBackend(CeedElemRestrictionCreateVector(elem_rstr, NULL, &e_vecs[i])); 150 } 151 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 152 153 switch (eval_mode) { 154 case CEED_EVAL_NONE: 155 case CEED_EVAL_INTERP: 156 case CEED_EVAL_GRAD: 157 case CEED_EVAL_DIV: 158 case CEED_EVAL_CURL: 159 CeedCallBackend(CeedQFunctionFieldGetSize(qf_fields[i], &size)); 160 q_size = (CeedSize)num_elem * (CeedSize)Q * (CeedSize)size; 161 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 162 break; 163 case CEED_EVAL_WEIGHT: { 164 CeedBasis basis; 165 166 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 167 q_size = (CeedSize)num_elem * (CeedSize)Q; 168 CeedCallBackend(CeedVectorCreate(ceed, q_size, &q_vecs[i])); 169 if (is_at_points) { 170 CeedInt num_points[num_elem]; 171 172 for (CeedInt i = 0; i < num_elem; i++) num_points[i] = Q; 173 CeedCallBackend( 174 CeedBasisApplyAtPoints(basis, num_elem, num_points, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, CEED_VECTOR_NONE, q_vecs[i])); 175 } else { 176 CeedCallBackend(CeedBasisApply(basis, num_elem, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, q_vecs[i])); 177 } 178 CeedCallBackend(CeedBasisDestroy(&basis)); 179 break; 180 } 181 } 182 } 183 // Drop duplicate restrictions 184 if (is_input) { 185 for (CeedInt i = 0; i < num_fields; i++) { 186 CeedVector vec_i; 187 CeedElemRestriction rstr_i; 188 189 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec_i)); 190 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr_i)); 191 for (CeedInt j = i + 1; j < num_fields; j++) { 192 CeedVector vec_j; 193 CeedElemRestriction rstr_j; 194 195 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[j], &vec_j)); 196 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[j], &rstr_j)); 197 if (vec_i == vec_j && rstr_i == rstr_j) { 198 if (e_vecs[i]) CeedCallBackend(CeedVectorReferenceCopy(e_vecs[i], &e_vecs[j])); 199 skip_rstr[j] = true; 200 } 201 CeedCallBackend(CeedVectorDestroy(&vec_j)); 202 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 203 } 204 CeedCallBackend(CeedVectorDestroy(&vec_i)); 205 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 206 } 207 } else { 208 for (CeedInt i = num_fields - 1; i >= 0; i--) { 209 CeedVector vec_i; 210 CeedElemRestriction rstr_i; 211 212 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec_i)); 213 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[i], &rstr_i)); 214 for (CeedInt j = i - 1; j >= 0; j--) { 215 CeedVector vec_j; 216 CeedElemRestriction rstr_j; 217 218 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[j], &vec_j)); 219 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_fields[j], &rstr_j)); 220 if (vec_i == vec_j && rstr_i == rstr_j) { 221 if (e_vecs[i]) CeedCallBackend(CeedVectorReferenceCopy(e_vecs[i], &e_vecs[j])); 222 skip_rstr[j] = true; 223 apply_add_basis[i] = true; 224 } 225 CeedCallBackend(CeedVectorDestroy(&vec_j)); 226 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 227 } 228 CeedCallBackend(CeedVectorDestroy(&vec_i)); 229 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 230 } 231 } 232 CeedCallBackend(CeedDestroy(&ceed)); 233 return CEED_ERROR_SUCCESS; 234 } 235 236 //------------------------------------------------------------------------------ 237 // CeedOperator needs to connect all the named fields (be they active or passive) to the named inputs and outputs of its CeedQFunction. 238 //------------------------------------------------------------------------------ 239 static int CeedOperatorSetup_Cuda(CeedOperator op) { 240 bool is_setup_done; 241 CeedInt Q, num_elem, num_input_fields, num_output_fields; 242 CeedQFunctionField *qf_input_fields, *qf_output_fields; 243 CeedQFunction qf; 244 CeedOperatorField *op_input_fields, *op_output_fields; 245 CeedOperator_Cuda *impl; 246 247 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 248 if (is_setup_done) return CEED_ERROR_SUCCESS; 249 250 CeedCallBackend(CeedOperatorGetData(op, &impl)); 251 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 252 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 253 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 254 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 255 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 256 257 // Allocate 258 CeedCallBackend(CeedCalloc(num_input_fields, &impl->e_vecs_in)); 259 CeedCallBackend(CeedCalloc(num_output_fields, &impl->e_vecs_out)); 260 CeedCallBackend(CeedCalloc(num_input_fields, &impl->skip_rstr_in)); 261 CeedCallBackend(CeedCalloc(num_output_fields, &impl->skip_rstr_out)); 262 CeedCallBackend(CeedCalloc(num_output_fields, &impl->apply_add_basis_out)); 263 CeedCallBackend(CeedCalloc(num_input_fields, &impl->input_field_order)); 264 CeedCallBackend(CeedCalloc(num_output_fields, &impl->output_field_order)); 265 CeedCallBackend(CeedCalloc(num_input_fields, &impl->input_states)); 266 CeedCallBackend(CeedCalloc(num_input_fields, &impl->q_vecs_in)); 267 CeedCallBackend(CeedCalloc(num_output_fields, &impl->q_vecs_out)); 268 impl->num_inputs = num_input_fields; 269 impl->num_outputs = num_output_fields; 270 271 // Set up infield and outfield e-vecs and q-vecs 272 CeedCallBackend( 273 CeedOperatorSetupFields_Cuda(qf, op, true, false, impl->skip_rstr_in, NULL, impl->e_vecs_in, impl->q_vecs_in, num_input_fields, Q, num_elem)); 274 CeedCallBackend(CeedOperatorSetupFields_Cuda(qf, op, false, false, impl->skip_rstr_out, impl->apply_add_basis_out, impl->e_vecs_out, 275 impl->q_vecs_out, num_output_fields, Q, num_elem)); 276 277 // Reorder fields to allow reuse of buffers 278 impl->max_active_e_vec_len = 0; 279 { 280 bool is_ordered[CEED_FIELD_MAX]; 281 CeedInt curr_index = 0; 282 283 for (CeedInt i = 0; i < num_input_fields; i++) is_ordered[i] = false; 284 for (CeedInt i = 0; i < num_input_fields; i++) { 285 CeedSize e_vec_len_i; 286 CeedVector vec_i; 287 CeedElemRestriction rstr_i; 288 289 if (is_ordered[i]) continue; 290 is_ordered[i] = true; 291 impl->input_field_order[curr_index] = i; 292 curr_index++; 293 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec_i)); 294 if (vec_i == CEED_VECTOR_NONE) { 295 // CEED_EVAL_WEIGHT 296 CeedCallBackend(CeedVectorDestroy(&vec_i)); 297 continue; 298 }; 299 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &rstr_i)); 300 CeedCallBackend(CeedElemRestrictionGetEVectorSize(rstr_i, &e_vec_len_i)); 301 impl->max_active_e_vec_len = e_vec_len_i > impl->max_active_e_vec_len ? e_vec_len_i : impl->max_active_e_vec_len; 302 for (CeedInt j = i + 1; j < num_input_fields; j++) { 303 CeedVector vec_j; 304 CeedElemRestriction rstr_j; 305 306 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[j], &vec_j)); 307 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[j], &rstr_j)); 308 if (rstr_i == rstr_j && vec_i == vec_j) { 309 is_ordered[j] = true; 310 impl->input_field_order[curr_index] = j; 311 curr_index++; 312 } 313 CeedCallBackend(CeedVectorDestroy(&vec_j)); 314 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 315 } 316 CeedCallBackend(CeedVectorDestroy(&vec_i)); 317 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 318 } 319 } 320 { 321 bool is_ordered[CEED_FIELD_MAX]; 322 CeedInt curr_index = 0; 323 324 for (CeedInt i = 0; i < num_output_fields; i++) is_ordered[i] = false; 325 for (CeedInt i = 0; i < num_output_fields; i++) { 326 CeedSize e_vec_len_i; 327 CeedVector vec_i; 328 CeedElemRestriction rstr_i; 329 330 if (is_ordered[i]) continue; 331 is_ordered[i] = true; 332 impl->output_field_order[curr_index] = i; 333 curr_index++; 334 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec_i)); 335 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &rstr_i)); 336 CeedCallBackend(CeedElemRestrictionGetEVectorSize(rstr_i, &e_vec_len_i)); 337 impl->max_active_e_vec_len = e_vec_len_i > impl->max_active_e_vec_len ? e_vec_len_i : impl->max_active_e_vec_len; 338 for (CeedInt j = i + 1; j < num_output_fields; j++) { 339 CeedVector vec_j; 340 CeedElemRestriction rstr_j; 341 342 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[j], &vec_j)); 343 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[j], &rstr_j)); 344 if (rstr_i == rstr_j && vec_i == vec_j) { 345 is_ordered[j] = true; 346 impl->output_field_order[curr_index] = j; 347 curr_index++; 348 } 349 CeedCallBackend(CeedVectorDestroy(&vec_j)); 350 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 351 } 352 CeedCallBackend(CeedVectorDestroy(&vec_i)); 353 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 354 } 355 } 356 CeedCallBackend(CeedClearWorkVectors(CeedOperatorReturnCeed(op), impl->max_active_e_vec_len)); 357 { 358 // Create two work vectors for diagonal assembly 359 CeedVector temp_1, temp_2; 360 361 CeedCallBackend(CeedGetWorkVector(CeedOperatorReturnCeed(op), impl->max_active_e_vec_len, &temp_1)); 362 CeedCallBackend(CeedGetWorkVector(CeedOperatorReturnCeed(op), impl->max_active_e_vec_len, &temp_2)); 363 CeedCallBackend(CeedRestoreWorkVector(CeedOperatorReturnCeed(op), &temp_1)); 364 CeedCallBackend(CeedRestoreWorkVector(CeedOperatorReturnCeed(op), &temp_2)); 365 } 366 CeedCallBackend(CeedOperatorSetSetupDone(op)); 367 CeedCallBackend(CeedQFunctionDestroy(&qf)); 368 return CEED_ERROR_SUCCESS; 369 } 370 371 //------------------------------------------------------------------------------ 372 // Restrict Operator Inputs 373 //------------------------------------------------------------------------------ 374 static inline int CeedOperatorInputRestrict_Cuda(CeedOperatorField op_input_field, CeedQFunctionField qf_input_field, CeedInt input_field, 375 CeedVector in_vec, CeedVector active_e_vec, const bool skip_active, CeedOperator_Cuda *impl, 376 CeedRequest *request) { 377 bool is_active = false; 378 CeedVector l_vec, e_vec = impl->e_vecs_in[input_field]; 379 380 // Get input vector 381 CeedCallBackend(CeedOperatorFieldGetVector(op_input_field, &l_vec)); 382 is_active = l_vec == CEED_VECTOR_ACTIVE; 383 if (is_active && skip_active) return CEED_ERROR_SUCCESS; 384 if (is_active) { 385 l_vec = in_vec; 386 if (!e_vec) e_vec = active_e_vec; 387 } 388 389 // Restriction action 390 if (e_vec) { 391 // Restrict, if necessary 392 if (!impl->skip_rstr_in[input_field]) { 393 uint64_t state; 394 395 CeedCallBackend(CeedVectorGetState(l_vec, &state)); 396 if (is_active || state != impl->input_states[input_field]) { 397 CeedElemRestriction elem_rstr; 398 399 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_field, &elem_rstr)); 400 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_NOTRANSPOSE, l_vec, e_vec, request)); 401 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 402 } 403 impl->input_states[input_field] = state; 404 } 405 } 406 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 407 return CEED_ERROR_SUCCESS; 408 } 409 410 //------------------------------------------------------------------------------ 411 // Input Basis Action 412 //------------------------------------------------------------------------------ 413 static inline int CeedOperatorInputBasis_Cuda(CeedOperatorField op_input_field, CeedQFunctionField qf_input_field, CeedInt input_field, 414 CeedVector in_vec, CeedVector active_e_vec, CeedInt num_elem, const bool skip_active, 415 CeedOperator_Cuda *impl) { 416 bool is_active = false; 417 CeedEvalMode eval_mode; 418 CeedVector l_vec, e_vec = impl->e_vecs_in[input_field], q_vec = impl->q_vecs_in[input_field]; 419 420 // Skip active input 421 CeedCallBackend(CeedOperatorFieldGetVector(op_input_field, &l_vec)); 422 is_active = l_vec == CEED_VECTOR_ACTIVE; 423 if (is_active && skip_active) return CEED_ERROR_SUCCESS; 424 if (is_active) { 425 l_vec = in_vec; 426 if (!e_vec) e_vec = active_e_vec; 427 } 428 429 // Basis action 430 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_field, &eval_mode)); 431 switch (eval_mode) { 432 case CEED_EVAL_NONE: { 433 const CeedScalar *e_vec_array; 434 435 if (e_vec) { 436 CeedCallBackend(CeedVectorGetArrayRead(e_vec, CEED_MEM_DEVICE, &e_vec_array)); 437 } else { 438 CeedCallBackend(CeedVectorGetArrayRead(l_vec, CEED_MEM_DEVICE, &e_vec_array)); 439 } 440 CeedCallBackend(CeedVectorSetArray(q_vec, CEED_MEM_DEVICE, CEED_USE_POINTER, (CeedScalar *)e_vec_array)); 441 break; 442 } 443 case CEED_EVAL_INTERP: 444 case CEED_EVAL_GRAD: 445 case CEED_EVAL_DIV: 446 case CEED_EVAL_CURL: { 447 CeedBasis basis; 448 449 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_field, &basis)); 450 CeedCallBackend(CeedBasisApply(basis, num_elem, CEED_NOTRANSPOSE, eval_mode, e_vec, q_vec)); 451 CeedCallBackend(CeedBasisDestroy(&basis)); 452 break; 453 } 454 case CEED_EVAL_WEIGHT: 455 break; // No action 456 } 457 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 458 return CEED_ERROR_SUCCESS; 459 } 460 461 //------------------------------------------------------------------------------ 462 // Restore Input Vectors 463 //------------------------------------------------------------------------------ 464 static inline int CeedOperatorInputRestore_Cuda(CeedOperatorField op_input_field, CeedQFunctionField qf_input_field, CeedInt input_field, 465 CeedVector in_vec, CeedVector active_e_vec, const bool skip_active, CeedOperator_Cuda *impl) { 466 bool is_active = false; 467 CeedEvalMode eval_mode; 468 CeedVector l_vec, e_vec = impl->e_vecs_in[input_field]; 469 470 // Skip active input 471 CeedCallBackend(CeedOperatorFieldGetVector(op_input_field, &l_vec)); 472 is_active = l_vec == CEED_VECTOR_ACTIVE; 473 if (is_active && skip_active) return CEED_ERROR_SUCCESS; 474 if (is_active) { 475 l_vec = in_vec; 476 if (!e_vec) e_vec = active_e_vec; 477 } 478 479 // Restore e-vec 480 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_field, &eval_mode)); 481 if (eval_mode == CEED_EVAL_NONE) { 482 const CeedScalar *e_vec_array; 483 484 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_in[input_field], CEED_MEM_DEVICE, (CeedScalar **)&e_vec_array)); 485 if (e_vec) { 486 CeedCallBackend(CeedVectorRestoreArrayRead(e_vec, &e_vec_array)); 487 } else { 488 CeedCallBackend(CeedVectorRestoreArrayRead(l_vec, &e_vec_array)); 489 } 490 } 491 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 492 return CEED_ERROR_SUCCESS; 493 } 494 495 //------------------------------------------------------------------------------ 496 // Apply and add to output 497 //------------------------------------------------------------------------------ 498 static int CeedOperatorApplyAdd_Cuda(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 499 CeedInt Q, num_elem, num_input_fields, num_output_fields; 500 Ceed ceed; 501 CeedVector active_e_vec; 502 CeedQFunctionField *qf_input_fields, *qf_output_fields; 503 CeedQFunction qf; 504 CeedOperatorField *op_input_fields, *op_output_fields; 505 CeedOperator_Cuda *impl; 506 507 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 508 CeedCallBackend(CeedOperatorGetData(op, &impl)); 509 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 510 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 511 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 512 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 513 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 514 515 // Setup 516 CeedCallBackend(CeedOperatorSetup_Cuda(op)); 517 518 // Work vector 519 CeedCallBackend(CeedGetWorkVector(ceed, impl->max_active_e_vec_len, &active_e_vec)); 520 521 // Process inputs 522 for (CeedInt i = 0; i < num_input_fields; i++) { 523 CeedInt field = impl->input_field_order[i]; 524 525 CeedCallBackend( 526 CeedOperatorInputRestrict_Cuda(op_input_fields[field], qf_input_fields[field], field, in_vec, active_e_vec, false, impl, request)); 527 CeedCallBackend(CeedOperatorInputBasis_Cuda(op_input_fields[field], qf_input_fields[field], field, in_vec, active_e_vec, num_elem, false, impl)); 528 } 529 530 // Output pointers, as necessary 531 for (CeedInt i = 0; i < num_output_fields; i++) { 532 CeedEvalMode eval_mode; 533 534 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 535 if (eval_mode == CEED_EVAL_NONE) { 536 CeedScalar *e_vec_array; 537 538 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 539 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, CEED_USE_POINTER, e_vec_array)); 540 } 541 } 542 543 // Q function 544 CeedCallBackend(CeedQFunctionApply(qf, num_elem * Q, impl->q_vecs_in, impl->q_vecs_out)); 545 546 // Restore input arrays 547 for (CeedInt i = 0; i < num_input_fields; i++) { 548 CeedCallBackend(CeedOperatorInputRestore_Cuda(op_input_fields[i], qf_input_fields[i], i, in_vec, active_e_vec, false, impl)); 549 } 550 551 // Output basis and restriction 552 for (CeedInt i = 0; i < num_output_fields; i++) { 553 bool is_active = false; 554 CeedInt field = impl->output_field_order[i]; 555 CeedEvalMode eval_mode; 556 CeedVector l_vec, e_vec = impl->e_vecs_out[field], q_vec = impl->q_vecs_out[field]; 557 558 // Output vector 559 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[field], &l_vec)); 560 is_active = l_vec == CEED_VECTOR_ACTIVE; 561 if (is_active) { 562 l_vec = out_vec; 563 if (!e_vec) e_vec = active_e_vec; 564 } 565 566 // Basis action 567 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[field], &eval_mode)); 568 switch (eval_mode) { 569 case CEED_EVAL_NONE: 570 break; // No action 571 case CEED_EVAL_INTERP: 572 case CEED_EVAL_GRAD: 573 case CEED_EVAL_DIV: 574 case CEED_EVAL_CURL: { 575 CeedBasis basis; 576 577 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[field], &basis)); 578 if (impl->apply_add_basis_out[field]) { 579 CeedCallBackend(CeedBasisApplyAdd(basis, num_elem, CEED_TRANSPOSE, eval_mode, q_vec, e_vec)); 580 } else { 581 CeedCallBackend(CeedBasisApply(basis, num_elem, CEED_TRANSPOSE, eval_mode, q_vec, e_vec)); 582 } 583 CeedCallBackend(CeedBasisDestroy(&basis)); 584 break; 585 } 586 // LCOV_EXCL_START 587 case CEED_EVAL_WEIGHT: { 588 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 589 // LCOV_EXCL_STOP 590 } 591 } 592 593 // Restore evec 594 if (eval_mode == CEED_EVAL_NONE) { 595 CeedScalar *e_vec_array; 596 597 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 598 CeedCallBackend(CeedVectorRestoreArray(e_vec, &e_vec_array)); 599 } 600 601 // Restrict 602 if (!impl->skip_rstr_out[field]) { 603 CeedElemRestriction elem_rstr; 604 605 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[field], &elem_rstr)); 606 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_TRANSPOSE, e_vec, l_vec, request)); 607 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 608 } 609 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 610 } 611 612 // Return work vector 613 CeedCallBackend(CeedRestoreWorkVector(ceed, &active_e_vec)); 614 CeedCallBackend(CeedDestroy(&ceed)); 615 CeedCallBackend(CeedQFunctionDestroy(&qf)); 616 return CEED_ERROR_SUCCESS; 617 } 618 619 //------------------------------------------------------------------------------ 620 // CeedOperator needs to connect all the named fields (be they active or passive) to the named inputs and outputs of its CeedQFunction. 621 //------------------------------------------------------------------------------ 622 static int CeedOperatorSetupAtPoints_Cuda(CeedOperator op) { 623 bool is_setup_done; 624 CeedInt max_num_points = -1, num_elem, num_input_fields, num_output_fields; 625 CeedQFunctionField *qf_input_fields, *qf_output_fields; 626 CeedQFunction qf; 627 CeedOperatorField *op_input_fields, *op_output_fields; 628 CeedOperator_Cuda *impl; 629 630 CeedCallBackend(CeedOperatorIsSetupDone(op, &is_setup_done)); 631 if (is_setup_done) return CEED_ERROR_SUCCESS; 632 633 CeedCallBackend(CeedOperatorGetData(op, &impl)); 634 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 635 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 636 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 637 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 638 { 639 CeedElemRestriction rstr_points = NULL; 640 641 CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, NULL)); 642 CeedCallBackend(CeedElemRestrictionGetMaxPointsInElement(rstr_points, &max_num_points)); 643 CeedCallBackend(CeedCalloc(num_elem, &impl->num_points)); 644 for (CeedInt e = 0; e < num_elem; e++) { 645 CeedInt num_points_elem; 646 647 CeedCallBackend(CeedElemRestrictionGetNumPointsInElement(rstr_points, e, &num_points_elem)); 648 impl->num_points[e] = num_points_elem; 649 } 650 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); 651 } 652 impl->max_num_points = max_num_points; 653 654 // Allocate 655 CeedCallBackend(CeedCalloc(num_input_fields, &impl->e_vecs_in)); 656 CeedCallBackend(CeedCalloc(num_output_fields, &impl->e_vecs_out)); 657 CeedCallBackend(CeedCalloc(num_input_fields, &impl->skip_rstr_in)); 658 CeedCallBackend(CeedCalloc(num_output_fields, &impl->skip_rstr_out)); 659 CeedCallBackend(CeedCalloc(num_output_fields, &impl->apply_add_basis_out)); 660 CeedCallBackend(CeedCalloc(num_input_fields, &impl->input_field_order)); 661 CeedCallBackend(CeedCalloc(num_output_fields, &impl->output_field_order)); 662 CeedCallBackend(CeedCalloc(num_input_fields, &impl->input_states)); 663 CeedCallBackend(CeedCalloc(num_input_fields, &impl->q_vecs_in)); 664 CeedCallBackend(CeedCalloc(num_output_fields, &impl->q_vecs_out)); 665 impl->num_inputs = num_input_fields; 666 impl->num_outputs = num_output_fields; 667 668 // Set up infield and outfield e-vecs and q-vecs 669 CeedCallBackend(CeedOperatorSetupFields_Cuda(qf, op, true, true, impl->skip_rstr_in, NULL, impl->e_vecs_in, impl->q_vecs_in, num_input_fields, 670 max_num_points, num_elem)); 671 CeedCallBackend(CeedOperatorSetupFields_Cuda(qf, op, false, true, impl->skip_rstr_out, impl->apply_add_basis_out, impl->e_vecs_out, 672 impl->q_vecs_out, num_output_fields, max_num_points, num_elem)); 673 674 // Reorder fields to allow reuse of buffers 675 impl->max_active_e_vec_len = 0; 676 { 677 bool is_ordered[CEED_FIELD_MAX]; 678 CeedInt curr_index = 0; 679 680 for (CeedInt i = 0; i < num_input_fields; i++) is_ordered[i] = false; 681 for (CeedInt i = 0; i < num_input_fields; i++) { 682 CeedSize e_vec_len_i; 683 CeedVector vec_i; 684 CeedElemRestriction rstr_i; 685 686 if (is_ordered[i]) continue; 687 is_ordered[i] = true; 688 impl->input_field_order[curr_index] = i; 689 curr_index++; 690 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &vec_i)); 691 if (vec_i == CEED_VECTOR_NONE) { 692 // CEED_EVAL_WEIGHT 693 CeedCallBackend(CeedVectorDestroy(&vec_i)); 694 continue; 695 }; 696 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[i], &rstr_i)); 697 CeedCallBackend(CeedElemRestrictionGetEVectorSize(rstr_i, &e_vec_len_i)); 698 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; 699 for (CeedInt j = i + 1; j < num_input_fields; j++) { 700 CeedVector vec_j; 701 CeedElemRestriction rstr_j; 702 703 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[j], &vec_j)); 704 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[j], &rstr_j)); 705 if (rstr_i == rstr_j && vec_i == vec_j) { 706 is_ordered[j] = true; 707 impl->input_field_order[curr_index] = j; 708 curr_index++; 709 } 710 CeedCallBackend(CeedVectorDestroy(&vec_j)); 711 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 712 } 713 CeedCallBackend(CeedVectorDestroy(&vec_i)); 714 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 715 } 716 } 717 { 718 bool is_ordered[CEED_FIELD_MAX]; 719 CeedInt curr_index = 0; 720 721 for (CeedInt i = 0; i < num_output_fields; i++) is_ordered[i] = false; 722 for (CeedInt i = 0; i < num_output_fields; i++) { 723 CeedSize e_vec_len_i; 724 CeedVector vec_i; 725 CeedElemRestriction rstr_i; 726 727 if (is_ordered[i]) continue; 728 is_ordered[i] = true; 729 impl->output_field_order[curr_index] = i; 730 curr_index++; 731 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &vec_i)); 732 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[i], &rstr_i)); 733 CeedCallBackend(CeedElemRestrictionGetEVectorSize(rstr_i, &e_vec_len_i)); 734 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; 735 for (CeedInt j = i + 1; j < num_output_fields; j++) { 736 CeedVector vec_j; 737 CeedElemRestriction rstr_j; 738 739 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[j], &vec_j)); 740 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[j], &rstr_j)); 741 if (rstr_i == rstr_j && vec_i == vec_j) { 742 is_ordered[j] = true; 743 impl->output_field_order[curr_index] = j; 744 curr_index++; 745 } 746 CeedCallBackend(CeedVectorDestroy(&vec_j)); 747 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_j)); 748 } 749 CeedCallBackend(CeedVectorDestroy(&vec_i)); 750 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_i)); 751 } 752 } 753 CeedCallBackend(CeedClearWorkVectors(CeedOperatorReturnCeed(op), impl->max_active_e_vec_len)); 754 { 755 // Create two work vectors for diagonal assembly 756 CeedVector temp_1, temp_2; 757 758 CeedCallBackend(CeedGetWorkVector(CeedOperatorReturnCeed(op), impl->max_active_e_vec_len, &temp_1)); 759 CeedCallBackend(CeedGetWorkVector(CeedOperatorReturnCeed(op), impl->max_active_e_vec_len, &temp_2)); 760 CeedCallBackend(CeedRestoreWorkVector(CeedOperatorReturnCeed(op), &temp_1)); 761 CeedCallBackend(CeedRestoreWorkVector(CeedOperatorReturnCeed(op), &temp_2)); 762 } 763 CeedCallBackend(CeedOperatorSetSetupDone(op)); 764 CeedCallBackend(CeedQFunctionDestroy(&qf)); 765 return CEED_ERROR_SUCCESS; 766 } 767 768 //------------------------------------------------------------------------------ 769 // Input Basis Action AtPoints 770 //------------------------------------------------------------------------------ 771 static inline int CeedOperatorInputBasisAtPoints_Cuda(CeedOperatorField op_input_field, CeedQFunctionField qf_input_field, CeedInt input_field, 772 CeedVector in_vec, CeedVector active_e_vec, CeedInt num_elem, const CeedInt *num_points, 773 const bool skip_active, const bool skip_passive, CeedOperator_Cuda *impl) { 774 bool is_active = false; 775 CeedEvalMode eval_mode; 776 CeedVector l_vec, e_vec = impl->e_vecs_in[input_field], q_vec = impl->q_vecs_in[input_field]; 777 778 // Skip active input 779 CeedCallBackend(CeedOperatorFieldGetVector(op_input_field, &l_vec)); 780 is_active = l_vec == CEED_VECTOR_ACTIVE; 781 if (skip_active && is_active) return CEED_ERROR_SUCCESS; 782 if (skip_passive && !is_active) { 783 CeedCallBackend(CeedVectorDestroy(&l_vec)); 784 return CEED_ERROR_SUCCESS; 785 } 786 if (is_active) { 787 l_vec = in_vec; 788 if (!e_vec) e_vec = active_e_vec; 789 } 790 791 // Basis action 792 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_input_field, &eval_mode)); 793 switch (eval_mode) { 794 case CEED_EVAL_NONE: { 795 const CeedScalar *e_vec_array; 796 797 if (e_vec) { 798 CeedCallBackend(CeedVectorGetArrayRead(e_vec, CEED_MEM_DEVICE, &e_vec_array)); 799 } else { 800 CeedCallBackend(CeedVectorGetArrayRead(l_vec, CEED_MEM_DEVICE, &e_vec_array)); 801 } 802 CeedCallBackend(CeedVectorSetArray(q_vec, CEED_MEM_DEVICE, CEED_USE_POINTER, (CeedScalar *)e_vec_array)); 803 break; 804 } 805 case CEED_EVAL_INTERP: 806 case CEED_EVAL_GRAD: 807 case CEED_EVAL_DIV: 808 case CEED_EVAL_CURL: { 809 CeedBasis basis; 810 811 CeedCallBackend(CeedOperatorFieldGetBasis(op_input_field, &basis)); 812 CeedCallBackend(CeedBasisApplyAtPoints(basis, num_elem, num_points, CEED_NOTRANSPOSE, eval_mode, impl->point_coords_elem, e_vec, q_vec)); 813 CeedCallBackend(CeedBasisDestroy(&basis)); 814 break; 815 } 816 case CEED_EVAL_WEIGHT: 817 break; // No action 818 } 819 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 820 return CEED_ERROR_SUCCESS; 821 } 822 823 //------------------------------------------------------------------------------ 824 // Apply and add to output AtPoints 825 //------------------------------------------------------------------------------ 826 static int CeedOperatorApplyAddAtPoints_Cuda(CeedOperator op, CeedVector in_vec, CeedVector out_vec, CeedRequest *request) { 827 CeedInt max_num_points, *num_points, num_elem, num_input_fields, num_output_fields; 828 Ceed ceed; 829 CeedVector active_e_vec; 830 CeedQFunctionField *qf_input_fields, *qf_output_fields; 831 CeedQFunction qf; 832 CeedOperatorField *op_input_fields, *op_output_fields; 833 CeedOperator_Cuda *impl; 834 835 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 836 CeedCallBackend(CeedOperatorGetData(op, &impl)); 837 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 838 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 839 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 840 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 841 842 // Setup 843 CeedCallBackend(CeedOperatorSetupAtPoints_Cuda(op)); 844 num_points = impl->num_points; 845 max_num_points = impl->max_num_points; 846 847 // Work vector 848 CeedCallBackend(CeedGetWorkVector(ceed, impl->max_active_e_vec_len, &active_e_vec)); 849 850 // Get point coordinates 851 { 852 CeedVector point_coords = NULL; 853 CeedElemRestriction rstr_points = NULL; 854 855 CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, &point_coords)); 856 if (!impl->point_coords_elem) CeedCallBackend(CeedElemRestrictionCreateVector(rstr_points, NULL, &impl->point_coords_elem)); 857 { 858 uint64_t state; 859 CeedCallBackend(CeedVectorGetState(point_coords, &state)); 860 if (impl->points_state != state) { 861 CeedCallBackend(CeedElemRestrictionApply(rstr_points, CEED_NOTRANSPOSE, point_coords, impl->point_coords_elem, request)); 862 } 863 } 864 CeedCallBackend(CeedVectorDestroy(&point_coords)); 865 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); 866 } 867 868 // Process inputs 869 for (CeedInt i = 0; i < num_input_fields; i++) { 870 CeedInt field = impl->input_field_order[i]; 871 872 CeedCallBackend( 873 CeedOperatorInputRestrict_Cuda(op_input_fields[field], qf_input_fields[field], field, in_vec, active_e_vec, false, impl, request)); 874 CeedCallBackend(CeedOperatorInputBasisAtPoints_Cuda(op_input_fields[field], qf_input_fields[field], field, in_vec, active_e_vec, num_elem, 875 num_points, false, false, impl)); 876 } 877 878 // Output pointers, as necessary 879 for (CeedInt i = 0; i < num_output_fields; i++) { 880 CeedEvalMode eval_mode; 881 882 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 883 if (eval_mode == CEED_EVAL_NONE) { 884 CeedScalar *e_vec_array; 885 886 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 887 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, CEED_USE_POINTER, e_vec_array)); 888 } 889 } 890 891 // Q function 892 CeedCallBackend(CeedQFunctionApply(qf, num_elem * max_num_points, impl->q_vecs_in, impl->q_vecs_out)); 893 894 // Restore input arrays 895 for (CeedInt i = 0; i < num_input_fields; i++) { 896 CeedCallBackend(CeedOperatorInputRestore_Cuda(op_input_fields[i], qf_input_fields[i], i, in_vec, active_e_vec, false, impl)); 897 } 898 899 // Output basis and restriction 900 for (CeedInt i = 0; i < num_output_fields; i++) { 901 bool is_active = false; 902 CeedInt field = impl->output_field_order[i]; 903 CeedEvalMode eval_mode; 904 CeedVector l_vec, e_vec = impl->e_vecs_out[field], q_vec = impl->q_vecs_out[field]; 905 906 // Output vector 907 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[field], &l_vec)); 908 is_active = l_vec == CEED_VECTOR_ACTIVE; 909 if (is_active) { 910 l_vec = out_vec; 911 if (!e_vec) e_vec = active_e_vec; 912 } 913 914 // Basis action 915 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[field], &eval_mode)); 916 switch (eval_mode) { 917 case CEED_EVAL_NONE: 918 break; // No action 919 case CEED_EVAL_INTERP: 920 case CEED_EVAL_GRAD: 921 case CEED_EVAL_DIV: 922 case CEED_EVAL_CURL: { 923 CeedBasis basis; 924 925 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[field], &basis)); 926 if (impl->apply_add_basis_out[field]) { 927 CeedCallBackend(CeedBasisApplyAddAtPoints(basis, num_elem, num_points, CEED_TRANSPOSE, eval_mode, impl->point_coords_elem, q_vec, e_vec)); 928 } else { 929 CeedCallBackend(CeedBasisApplyAtPoints(basis, num_elem, num_points, CEED_TRANSPOSE, eval_mode, impl->point_coords_elem, q_vec, e_vec)); 930 } 931 CeedCallBackend(CeedBasisDestroy(&basis)); 932 break; 933 } 934 // LCOV_EXCL_START 935 case CEED_EVAL_WEIGHT: { 936 return CeedError(ceed, CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 937 // LCOV_EXCL_STOP 938 } 939 } 940 941 // Restore evec 942 if (eval_mode == CEED_EVAL_NONE) { 943 CeedScalar *e_vec_array; 944 945 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 946 CeedCallBackend(CeedVectorRestoreArray(e_vec, &e_vec_array)); 947 } 948 949 // Restrict 950 if (!impl->skip_rstr_out[field]) { 951 CeedElemRestriction elem_rstr; 952 953 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[field], &elem_rstr)); 954 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_TRANSPOSE, e_vec, l_vec, request)); 955 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 956 } 957 if (!is_active) CeedCallBackend(CeedVectorDestroy(&l_vec)); 958 } 959 960 // Restore work vector 961 CeedCallBackend(CeedRestoreWorkVector(ceed, &active_e_vec)); 962 CeedCallBackend(CeedDestroy(&ceed)); 963 CeedCallBackend(CeedQFunctionDestroy(&qf)); 964 return CEED_ERROR_SUCCESS; 965 } 966 967 //------------------------------------------------------------------------------ 968 // Linear QFunction Assembly Core 969 //------------------------------------------------------------------------------ 970 static inline int CeedOperatorLinearAssembleQFunctionCore_Cuda(CeedOperator op, bool build_objects, CeedVector *assembled, CeedElemRestriction *rstr, 971 CeedRequest *request) { 972 Ceed ceed, ceed_parent; 973 CeedInt num_active_in, num_active_out, Q, num_elem, num_input_fields, num_output_fields, size; 974 CeedScalar *assembled_array; 975 CeedVector *active_inputs; 976 CeedQFunctionField *qf_input_fields, *qf_output_fields; 977 CeedQFunction qf; 978 CeedOperatorField *op_input_fields, *op_output_fields; 979 CeedOperator_Cuda *impl; 980 981 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 982 CeedCallBackend(CeedOperatorGetFallbackParentCeed(op, &ceed_parent)); 983 CeedCallBackend(CeedOperatorGetData(op, &impl)); 984 CeedCallBackend(CeedOperatorGetNumQuadraturePoints(op, &Q)); 985 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 986 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 987 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 988 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 989 active_inputs = impl->qf_active_in; 990 num_active_in = impl->num_active_in, num_active_out = impl->num_active_out; 991 992 // Setup 993 CeedCallBackend(CeedOperatorSetup_Cuda(op)); 994 995 // Process inputs 996 for (CeedInt i = 0; i < num_input_fields; i++) { 997 CeedCallBackend(CeedOperatorInputRestrict_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, true, impl, request)); 998 CeedCallBackend(CeedOperatorInputBasis_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, num_elem, true, impl)); 999 } 1000 1001 // Count number of active input fields 1002 if (!num_active_in) { 1003 for (CeedInt i = 0; i < num_input_fields; i++) { 1004 CeedScalar *q_vec_array; 1005 CeedVector l_vec; 1006 1007 // Check if active input 1008 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[i], &l_vec)); 1009 if (l_vec == CEED_VECTOR_ACTIVE) { 1010 CeedCallBackend(CeedQFunctionFieldGetSize(qf_input_fields[i], &size)); 1011 CeedCallBackend(CeedVectorSetValue(impl->q_vecs_in[i], 0.0)); 1012 CeedCallBackend(CeedVectorGetArray(impl->q_vecs_in[i], CEED_MEM_DEVICE, &q_vec_array)); 1013 CeedCallBackend(CeedRealloc(num_active_in + size, &active_inputs)); 1014 for (CeedInt field = 0; field < size; field++) { 1015 CeedSize q_size = (CeedSize)Q * num_elem; 1016 1017 CeedCallBackend(CeedVectorCreate(ceed, q_size, &active_inputs[num_active_in + field])); 1018 CeedCallBackend( 1019 CeedVectorSetArray(active_inputs[num_active_in + field], CEED_MEM_DEVICE, CEED_USE_POINTER, &q_vec_array[field * Q * num_elem])); 1020 } 1021 num_active_in += size; 1022 CeedCallBackend(CeedVectorRestoreArray(impl->q_vecs_in[i], &q_vec_array)); 1023 } 1024 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1025 } 1026 impl->num_active_in = num_active_in; 1027 impl->qf_active_in = active_inputs; 1028 } 1029 1030 // Count number of active output fields 1031 if (!num_active_out) { 1032 for (CeedInt i = 0; i < num_output_fields; i++) { 1033 CeedVector l_vec; 1034 1035 // Check if active output 1036 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[i], &l_vec)); 1037 if (l_vec == CEED_VECTOR_ACTIVE) { 1038 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[i], &size)); 1039 num_active_out += size; 1040 } 1041 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1042 } 1043 impl->num_active_out = num_active_out; 1044 } 1045 1046 // Check sizes 1047 CeedCheck(num_active_in > 0 && num_active_out > 0, ceed, CEED_ERROR_BACKEND, "Cannot assemble QFunction without active inputs and outputs"); 1048 1049 // Build objects if needed 1050 if (build_objects) { 1051 CeedSize l_size = (CeedSize)num_elem * Q * num_active_in * num_active_out; 1052 CeedInt strides[3] = {1, num_elem * Q, Q}; /* *NOPAD* */ 1053 1054 // Create output restriction 1055 CeedCallBackend(CeedElemRestrictionCreateStrided(ceed_parent, num_elem, Q, num_active_in * num_active_out, 1056 (CeedSize)num_active_in * (CeedSize)num_active_out * (CeedSize)num_elem * (CeedSize)Q, strides, 1057 rstr)); 1058 // Create assembled vector 1059 CeedCallBackend(CeedVectorCreate(ceed_parent, l_size, assembled)); 1060 } 1061 CeedCallBackend(CeedVectorSetValue(*assembled, 0.0)); 1062 CeedCallBackend(CeedVectorGetArray(*assembled, CEED_MEM_DEVICE, &assembled_array)); 1063 1064 // Assemble QFunction 1065 for (CeedInt in = 0; in < num_active_in; in++) { 1066 // Set Inputs 1067 CeedCallBackend(CeedVectorSetValue(active_inputs[in], 1.0)); 1068 if (num_active_in > 1) { 1069 CeedCallBackend(CeedVectorSetValue(active_inputs[(in + num_active_in - 1) % num_active_in], 0.0)); 1070 } 1071 // Set Outputs 1072 for (CeedInt out = 0; out < num_output_fields; out++) { 1073 CeedVector l_vec; 1074 1075 // Check if active output 1076 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &l_vec)); 1077 if (l_vec == CEED_VECTOR_ACTIVE) { 1078 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[out], CEED_MEM_DEVICE, CEED_USE_POINTER, assembled_array)); 1079 CeedCallBackend(CeedQFunctionFieldGetSize(qf_output_fields[out], &size)); 1080 assembled_array += size * Q * num_elem; // Advance the pointer by the size of the output 1081 } 1082 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1083 } 1084 // Apply QFunction 1085 CeedCallBackend(CeedQFunctionApply(qf, Q * num_elem, impl->q_vecs_in, impl->q_vecs_out)); 1086 } 1087 1088 // Un-set output q-vecs to prevent accidental overwrite of Assembled 1089 for (CeedInt out = 0; out < num_output_fields; out++) { 1090 CeedVector l_vec; 1091 1092 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[out], &l_vec)); 1093 if (l_vec == CEED_VECTOR_ACTIVE) { 1094 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[out], CEED_MEM_DEVICE, NULL)); 1095 } 1096 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1097 } 1098 1099 // Restore input arrays 1100 for (CeedInt i = 0; i < num_input_fields; i++) { 1101 CeedCallBackend(CeedOperatorInputRestore_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, true, impl)); 1102 } 1103 1104 // Restore output 1105 CeedCallBackend(CeedVectorRestoreArray(*assembled, &assembled_array)); 1106 CeedCallBackend(CeedDestroy(&ceed)); 1107 CeedCallBackend(CeedDestroy(&ceed_parent)); 1108 CeedCallBackend(CeedQFunctionDestroy(&qf)); 1109 return CEED_ERROR_SUCCESS; 1110 } 1111 1112 //------------------------------------------------------------------------------ 1113 // Assemble Linear QFunction 1114 //------------------------------------------------------------------------------ 1115 static int CeedOperatorLinearAssembleQFunction_Cuda(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 1116 return CeedOperatorLinearAssembleQFunctionCore_Cuda(op, true, assembled, rstr, request); 1117 } 1118 1119 //------------------------------------------------------------------------------ 1120 // Update Assembled Linear QFunction 1121 //------------------------------------------------------------------------------ 1122 static int CeedOperatorLinearAssembleQFunctionUpdate_Cuda(CeedOperator op, CeedVector assembled, CeedElemRestriction rstr, CeedRequest *request) { 1123 return CeedOperatorLinearAssembleQFunctionCore_Cuda(op, false, &assembled, &rstr, request); 1124 } 1125 1126 //------------------------------------------------------------------------------ 1127 // Assemble Diagonal Setup 1128 //------------------------------------------------------------------------------ 1129 static inline int CeedOperatorAssembleDiagonalSetup_Cuda(CeedOperator op) { 1130 Ceed ceed; 1131 CeedInt num_input_fields, num_output_fields, num_eval_modes_in = 0, num_eval_modes_out = 0; 1132 CeedInt q_comp, num_nodes, num_qpts; 1133 CeedEvalMode *eval_modes_in = NULL, *eval_modes_out = NULL; 1134 CeedBasis basis_in = NULL, basis_out = NULL; 1135 CeedQFunctionField *qf_fields; 1136 CeedQFunction qf; 1137 CeedOperatorField *op_fields; 1138 CeedOperator_Cuda *impl; 1139 1140 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1141 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 1142 CeedCallBackend(CeedQFunctionGetNumArgs(qf, &num_input_fields, &num_output_fields)); 1143 1144 // Determine active input basis 1145 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 1146 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 1147 for (CeedInt i = 0; i < num_input_fields; i++) { 1148 CeedVector vec; 1149 1150 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec)); 1151 if (vec == CEED_VECTOR_ACTIVE) { 1152 CeedEvalMode eval_mode; 1153 CeedBasis basis; 1154 1155 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 1156 CeedCheck(!basis_in || basis_in == basis, ceed, CEED_ERROR_BACKEND, 1157 "Backend does not implement operator diagonal assembly with multiple active bases"); 1158 if (!basis_in) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_in)); 1159 CeedCallBackend(CeedBasisDestroy(&basis)); 1160 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1161 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_in, eval_mode, &q_comp)); 1162 if (eval_mode != CEED_EVAL_WEIGHT) { 1163 // q_comp = 1 if CEED_EVAL_NONE, CEED_EVAL_WEIGHT caught by QF assembly 1164 CeedCallBackend(CeedRealloc(num_eval_modes_in + q_comp, &eval_modes_in)); 1165 for (CeedInt d = 0; d < q_comp; d++) eval_modes_in[num_eval_modes_in + d] = eval_mode; 1166 num_eval_modes_in += q_comp; 1167 } 1168 } 1169 CeedCallBackend(CeedVectorDestroy(&vec)); 1170 } 1171 1172 // Determine active output basis 1173 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 1174 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 1175 for (CeedInt i = 0; i < num_output_fields; i++) { 1176 CeedVector vec; 1177 1178 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec)); 1179 if (vec == CEED_VECTOR_ACTIVE) { 1180 CeedBasis basis; 1181 CeedEvalMode eval_mode; 1182 1183 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 1184 CeedCheck(!basis_out || basis_out == basis, ceed, CEED_ERROR_BACKEND, 1185 "Backend does not implement operator diagonal assembly with multiple active bases"); 1186 if (!basis_out) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_out)); 1187 CeedCallBackend(CeedBasisDestroy(&basis)); 1188 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1189 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_out, eval_mode, &q_comp)); 1190 if (eval_mode != CEED_EVAL_WEIGHT) { 1191 // q_comp = 1 if CEED_EVAL_NONE, CEED_EVAL_WEIGHT caught by QF assembly 1192 CeedCallBackend(CeedRealloc(num_eval_modes_out + q_comp, &eval_modes_out)); 1193 for (CeedInt d = 0; d < q_comp; d++) eval_modes_out[num_eval_modes_out + d] = eval_mode; 1194 num_eval_modes_out += q_comp; 1195 } 1196 } 1197 CeedCallBackend(CeedVectorDestroy(&vec)); 1198 } 1199 1200 // Operator data struct 1201 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1202 CeedCallBackend(CeedCalloc(1, &impl->diag)); 1203 CeedOperatorDiag_Cuda *diag = impl->diag; 1204 1205 // Basis matrices 1206 CeedCallBackend(CeedBasisGetNumNodes(basis_in, &num_nodes)); 1207 if (basis_in == CEED_BASIS_NONE) num_qpts = num_nodes; 1208 else CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis_in, &num_qpts)); 1209 const CeedInt interp_bytes = num_nodes * num_qpts * sizeof(CeedScalar); 1210 const CeedInt eval_modes_bytes = sizeof(CeedEvalMode); 1211 bool has_eval_none = false; 1212 1213 // CEED_EVAL_NONE 1214 for (CeedInt i = 0; i < num_eval_modes_in; i++) has_eval_none = has_eval_none || (eval_modes_in[i] == CEED_EVAL_NONE); 1215 for (CeedInt i = 0; i < num_eval_modes_out; i++) has_eval_none = has_eval_none || (eval_modes_out[i] == CEED_EVAL_NONE); 1216 if (has_eval_none) { 1217 CeedScalar *identity = NULL; 1218 1219 CeedCallBackend(CeedCalloc(num_nodes * num_qpts, &identity)); 1220 for (CeedInt i = 0; i < (num_nodes < num_qpts ? num_nodes : num_qpts); i++) identity[i * num_nodes + i] = 1.0; 1221 CeedCallCuda(ceed, cudaMalloc((void **)&diag->d_identity, interp_bytes)); 1222 CeedCallCuda(ceed, cudaMemcpy(diag->d_identity, identity, interp_bytes, cudaMemcpyHostToDevice)); 1223 CeedCallBackend(CeedFree(&identity)); 1224 } 1225 1226 // CEED_EVAL_INTERP, CEED_EVAL_GRAD, CEED_EVAL_DIV, and CEED_EVAL_CURL 1227 for (CeedInt in = 0; in < 2; in++) { 1228 CeedFESpace fespace; 1229 CeedBasis basis = in ? basis_in : basis_out; 1230 1231 CeedCallBackend(CeedBasisGetFESpace(basis, &fespace)); 1232 switch (fespace) { 1233 case CEED_FE_SPACE_H1: { 1234 CeedInt q_comp_interp, q_comp_grad; 1235 const CeedScalar *interp, *grad; 1236 CeedScalar *d_interp, *d_grad; 1237 1238 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp)); 1239 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_GRAD, &q_comp_grad)); 1240 1241 CeedCallBackend(CeedBasisGetInterp(basis, &interp)); 1242 CeedCallCuda(ceed, cudaMalloc((void **)&d_interp, interp_bytes * q_comp_interp)); 1243 CeedCallCuda(ceed, cudaMemcpy(d_interp, interp, interp_bytes * q_comp_interp, cudaMemcpyHostToDevice)); 1244 CeedCallBackend(CeedBasisGetGrad(basis, &grad)); 1245 CeedCallCuda(ceed, cudaMalloc((void **)&d_grad, interp_bytes * q_comp_grad)); 1246 CeedCallCuda(ceed, cudaMemcpy(d_grad, grad, interp_bytes * q_comp_grad, cudaMemcpyHostToDevice)); 1247 if (in) { 1248 diag->d_interp_in = d_interp; 1249 diag->d_grad_in = d_grad; 1250 } else { 1251 diag->d_interp_out = d_interp; 1252 diag->d_grad_out = d_grad; 1253 } 1254 } break; 1255 case CEED_FE_SPACE_HDIV: { 1256 CeedInt q_comp_interp, q_comp_div; 1257 const CeedScalar *interp, *div; 1258 CeedScalar *d_interp, *d_div; 1259 1260 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp)); 1261 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_DIV, &q_comp_div)); 1262 1263 CeedCallBackend(CeedBasisGetInterp(basis, &interp)); 1264 CeedCallCuda(ceed, cudaMalloc((void **)&d_interp, interp_bytes * q_comp_interp)); 1265 CeedCallCuda(ceed, cudaMemcpy(d_interp, interp, interp_bytes * q_comp_interp, cudaMemcpyHostToDevice)); 1266 CeedCallBackend(CeedBasisGetDiv(basis, &div)); 1267 CeedCallCuda(ceed, cudaMalloc((void **)&d_div, interp_bytes * q_comp_div)); 1268 CeedCallCuda(ceed, cudaMemcpy(d_div, div, interp_bytes * q_comp_div, cudaMemcpyHostToDevice)); 1269 if (in) { 1270 diag->d_interp_in = d_interp; 1271 diag->d_div_in = d_div; 1272 } else { 1273 diag->d_interp_out = d_interp; 1274 diag->d_div_out = d_div; 1275 } 1276 } break; 1277 case CEED_FE_SPACE_HCURL: { 1278 CeedInt q_comp_interp, q_comp_curl; 1279 const CeedScalar *interp, *curl; 1280 CeedScalar *d_interp, *d_curl; 1281 1282 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_INTERP, &q_comp_interp)); 1283 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis, CEED_EVAL_CURL, &q_comp_curl)); 1284 1285 CeedCallBackend(CeedBasisGetInterp(basis, &interp)); 1286 CeedCallCuda(ceed, cudaMalloc((void **)&d_interp, interp_bytes * q_comp_interp)); 1287 CeedCallCuda(ceed, cudaMemcpy(d_interp, interp, interp_bytes * q_comp_interp, cudaMemcpyHostToDevice)); 1288 CeedCallBackend(CeedBasisGetCurl(basis, &curl)); 1289 CeedCallCuda(ceed, cudaMalloc((void **)&d_curl, interp_bytes * q_comp_curl)); 1290 CeedCallCuda(ceed, cudaMemcpy(d_curl, curl, interp_bytes * q_comp_curl, cudaMemcpyHostToDevice)); 1291 if (in) { 1292 diag->d_interp_in = d_interp; 1293 diag->d_curl_in = d_curl; 1294 } else { 1295 diag->d_interp_out = d_interp; 1296 diag->d_curl_out = d_curl; 1297 } 1298 } break; 1299 } 1300 } 1301 1302 // Arrays of eval_modes 1303 CeedCallCuda(ceed, cudaMalloc((void **)&diag->d_eval_modes_in, num_eval_modes_in * eval_modes_bytes)); 1304 CeedCallCuda(ceed, cudaMemcpy(diag->d_eval_modes_in, eval_modes_in, num_eval_modes_in * eval_modes_bytes, cudaMemcpyHostToDevice)); 1305 CeedCallCuda(ceed, cudaMalloc((void **)&diag->d_eval_modes_out, num_eval_modes_out * eval_modes_bytes)); 1306 CeedCallCuda(ceed, cudaMemcpy(diag->d_eval_modes_out, eval_modes_out, num_eval_modes_out * eval_modes_bytes, cudaMemcpyHostToDevice)); 1307 CeedCallBackend(CeedFree(&eval_modes_in)); 1308 CeedCallBackend(CeedFree(&eval_modes_out)); 1309 CeedCallBackend(CeedDestroy(&ceed)); 1310 CeedCallBackend(CeedBasisDestroy(&basis_in)); 1311 CeedCallBackend(CeedBasisDestroy(&basis_out)); 1312 CeedCallBackend(CeedQFunctionDestroy(&qf)); 1313 return CEED_ERROR_SUCCESS; 1314 } 1315 1316 //------------------------------------------------------------------------------ 1317 // Assemble Diagonal Setup (Compilation) 1318 //------------------------------------------------------------------------------ 1319 static inline int CeedOperatorAssembleDiagonalSetupCompile_Cuda(CeedOperator op, CeedInt use_ceedsize_idx, const bool is_point_block) { 1320 Ceed ceed; 1321 CeedInt num_input_fields, num_output_fields, num_eval_modes_in = 0, num_eval_modes_out = 0; 1322 CeedInt num_comp, q_comp, num_nodes, num_qpts; 1323 CeedBasis basis_in = NULL, basis_out = NULL; 1324 CeedQFunctionField *qf_fields; 1325 CeedQFunction qf; 1326 CeedOperatorField *op_fields; 1327 CeedOperator_Cuda *impl; 1328 1329 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1330 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 1331 CeedCallBackend(CeedQFunctionGetNumArgs(qf, &num_input_fields, &num_output_fields)); 1332 1333 // Determine active input basis 1334 CeedCallBackend(CeedOperatorGetFields(op, NULL, &op_fields, NULL, NULL)); 1335 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 1336 for (CeedInt i = 0; i < num_input_fields; i++) { 1337 CeedVector vec; 1338 1339 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec)); 1340 if (vec == CEED_VECTOR_ACTIVE) { 1341 CeedEvalMode eval_mode; 1342 CeedBasis basis; 1343 1344 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 1345 if (!basis_in) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_in)); 1346 CeedCallBackend(CeedBasisDestroy(&basis)); 1347 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1348 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_in, eval_mode, &q_comp)); 1349 if (eval_mode != CEED_EVAL_WEIGHT) { 1350 num_eval_modes_in += q_comp; 1351 } 1352 } 1353 CeedCallBackend(CeedVectorDestroy(&vec)); 1354 } 1355 1356 // Determine active output basis 1357 CeedCallBackend(CeedOperatorGetFields(op, NULL, NULL, NULL, &op_fields)); 1358 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 1359 for (CeedInt i = 0; i < num_output_fields; i++) { 1360 CeedVector vec; 1361 1362 CeedCallBackend(CeedOperatorFieldGetVector(op_fields[i], &vec)); 1363 if (vec == CEED_VECTOR_ACTIVE) { 1364 CeedEvalMode eval_mode; 1365 CeedBasis basis; 1366 1367 CeedCallBackend(CeedOperatorFieldGetBasis(op_fields[i], &basis)); 1368 if (!basis_out) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_out)); 1369 CeedCallBackend(CeedBasisDestroy(&basis)); 1370 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1371 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_out, eval_mode, &q_comp)); 1372 if (eval_mode != CEED_EVAL_WEIGHT) { 1373 num_eval_modes_out += q_comp; 1374 } 1375 } 1376 CeedCallBackend(CeedVectorDestroy(&vec)); 1377 } 1378 1379 // Operator data struct 1380 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1381 CeedOperatorDiag_Cuda *diag = impl->diag; 1382 1383 // Assemble kernel 1384 const char diagonal_kernel_source[] = "// Diagonal assembly source\n#include <ceed/jit-source/cuda/cuda-ref-operator-assemble-diagonal.h>\n"; 1385 CUmodule *module = is_point_block ? &diag->module_point_block : &diag->module; 1386 CeedInt elems_per_block = 1; 1387 1388 CeedCallBackend(CeedBasisGetNumNodes(basis_in, &num_nodes)); 1389 CeedCallBackend(CeedBasisGetNumComponents(basis_in, &num_comp)); 1390 if (basis_in == CEED_BASIS_NONE) num_qpts = num_nodes; 1391 else CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis_in, &num_qpts)); 1392 CeedCallCuda(ceed, CeedCompile_Cuda(ceed, diagonal_kernel_source, module, 8, "NUM_EVAL_MODES_IN", num_eval_modes_in, "NUM_EVAL_MODES_OUT", 1393 num_eval_modes_out, "NUM_COMP", num_comp, "NUM_NODES", num_nodes, "NUM_QPTS", num_qpts, "USE_CEEDSIZE", 1394 use_ceedsize_idx, "USE_POINT_BLOCK", is_point_block ? 1 : 0, "BLOCK_SIZE", num_nodes * elems_per_block)); 1395 CeedCallCuda(ceed, CeedGetKernel_Cuda(ceed, *module, "LinearDiagonal", is_point_block ? &diag->LinearPointBlock : &diag->LinearDiagonal)); 1396 CeedCallBackend(CeedDestroy(&ceed)); 1397 CeedCallBackend(CeedBasisDestroy(&basis_in)); 1398 CeedCallBackend(CeedBasisDestroy(&basis_out)); 1399 CeedCallBackend(CeedQFunctionDestroy(&qf)); 1400 return CEED_ERROR_SUCCESS; 1401 } 1402 1403 //------------------------------------------------------------------------------ 1404 // Assemble Diagonal Core 1405 //------------------------------------------------------------------------------ 1406 static inline int CeedOperatorAssembleDiagonalCore_Cuda(CeedOperator op, CeedVector assembled, CeedRequest *request, const bool is_point_block) { 1407 Ceed ceed; 1408 CeedInt num_elem, num_nodes; 1409 CeedScalar *elem_diag_array; 1410 const CeedScalar *assembled_qf_array; 1411 CeedVector assembled_qf = NULL, elem_diag; 1412 CeedElemRestriction assembled_rstr = NULL, rstr_in, rstr_out, diag_rstr; 1413 CeedOperator_Cuda *impl; 1414 1415 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1416 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1417 1418 // Assemble QFunction 1419 CeedCallBackend(CeedOperatorLinearAssembleQFunctionBuildOrUpdate(op, &assembled_qf, &assembled_rstr, request)); 1420 CeedCallBackend(CeedElemRestrictionDestroy(&assembled_rstr)); 1421 CeedCallBackend(CeedVectorGetArrayRead(assembled_qf, CEED_MEM_DEVICE, &assembled_qf_array)); 1422 1423 // Setup 1424 if (!impl->diag) CeedCallBackend(CeedOperatorAssembleDiagonalSetup_Cuda(op)); 1425 CeedOperatorDiag_Cuda *diag = impl->diag; 1426 1427 assert(diag != NULL); 1428 1429 // Assemble kernel if needed 1430 if ((!is_point_block && !diag->LinearDiagonal) || (is_point_block && !diag->LinearPointBlock)) { 1431 CeedSize assembled_length, assembled_qf_length; 1432 CeedInt use_ceedsize_idx = 0; 1433 CeedCallBackend(CeedVectorGetLength(assembled, &assembled_length)); 1434 CeedCallBackend(CeedVectorGetLength(assembled_qf, &assembled_qf_length)); 1435 if ((assembled_length > INT_MAX) || (assembled_qf_length > INT_MAX)) use_ceedsize_idx = 1; 1436 1437 CeedCallBackend(CeedOperatorAssembleDiagonalSetupCompile_Cuda(op, use_ceedsize_idx, is_point_block)); 1438 } 1439 1440 // Restriction and diagonal vector 1441 CeedCallBackend(CeedOperatorGetActiveElemRestrictions(op, &rstr_in, &rstr_out)); 1442 CeedCheck(rstr_in == rstr_out, ceed, CEED_ERROR_BACKEND, 1443 "Cannot assemble operator diagonal with different input and output active element restrictions"); 1444 if (!is_point_block && !diag->diag_rstr) { 1445 CeedCallBackend(CeedElemRestrictionCreateUnsignedCopy(rstr_out, &diag->diag_rstr)); 1446 CeedCallBackend(CeedElemRestrictionCreateVector(diag->diag_rstr, NULL, &diag->elem_diag)); 1447 } else if (is_point_block && !diag->point_block_diag_rstr) { 1448 CeedCallBackend(CeedOperatorCreateActivePointBlockRestriction(rstr_out, &diag->point_block_diag_rstr)); 1449 CeedCallBackend(CeedElemRestrictionCreateVector(diag->point_block_diag_rstr, NULL, &diag->point_block_elem_diag)); 1450 } 1451 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_in)); 1452 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_out)); 1453 diag_rstr = is_point_block ? diag->point_block_diag_rstr : diag->diag_rstr; 1454 elem_diag = is_point_block ? diag->point_block_elem_diag : diag->elem_diag; 1455 CeedCallBackend(CeedVectorSetValue(elem_diag, 0.0)); 1456 1457 // Only assemble diagonal if the basis has nodes, otherwise inputs are null pointers 1458 CeedCallBackend(CeedElemRestrictionGetElementSize(diag_rstr, &num_nodes)); 1459 if (num_nodes > 0) { 1460 // Assemble element operator diagonals 1461 CeedCallBackend(CeedElemRestrictionGetNumElements(diag_rstr, &num_elem)); 1462 CeedCallBackend(CeedVectorGetArray(elem_diag, CEED_MEM_DEVICE, &elem_diag_array)); 1463 1464 // Compute the diagonal of B^T D B 1465 CeedInt elems_per_block = 1; 1466 CeedInt grid = CeedDivUpInt(num_elem, elems_per_block); 1467 void *args[] = {(void *)&num_elem, &diag->d_identity, &diag->d_interp_in, &diag->d_grad_in, &diag->d_div_in, 1468 &diag->d_curl_in, &diag->d_interp_out, &diag->d_grad_out, &diag->d_div_out, &diag->d_curl_out, 1469 &diag->d_eval_modes_in, &diag->d_eval_modes_out, &assembled_qf_array, &elem_diag_array}; 1470 1471 if (is_point_block) { 1472 CeedCallBackend(CeedRunKernelDim_Cuda(ceed, diag->LinearPointBlock, grid, num_nodes, 1, elems_per_block, args)); 1473 } else { 1474 CeedCallBackend(CeedRunKernelDim_Cuda(ceed, diag->LinearDiagonal, grid, num_nodes, 1, elems_per_block, args)); 1475 } 1476 1477 // Restore arrays 1478 CeedCallBackend(CeedVectorRestoreArray(elem_diag, &elem_diag_array)); 1479 CeedCallBackend(CeedVectorRestoreArrayRead(assembled_qf, &assembled_qf_array)); 1480 } 1481 1482 // Assemble local operator diagonal 1483 CeedCallBackend(CeedElemRestrictionApply(diag_rstr, CEED_TRANSPOSE, elem_diag, assembled, request)); 1484 1485 // Cleanup 1486 CeedCallBackend(CeedDestroy(&ceed)); 1487 CeedCallBackend(CeedVectorDestroy(&assembled_qf)); 1488 return CEED_ERROR_SUCCESS; 1489 } 1490 1491 //------------------------------------------------------------------------------ 1492 // Assemble Linear Diagonal 1493 //------------------------------------------------------------------------------ 1494 static int CeedOperatorLinearAssembleAddDiagonal_Cuda(CeedOperator op, CeedVector assembled, CeedRequest *request) { 1495 CeedCallBackend(CeedOperatorAssembleDiagonalCore_Cuda(op, assembled, request, false)); 1496 return CEED_ERROR_SUCCESS; 1497 } 1498 1499 //------------------------------------------------------------------------------ 1500 // Assemble Linear Point Block Diagonal 1501 //------------------------------------------------------------------------------ 1502 static int CeedOperatorLinearAssembleAddPointBlockDiagonal_Cuda(CeedOperator op, CeedVector assembled, CeedRequest *request) { 1503 CeedCallBackend(CeedOperatorAssembleDiagonalCore_Cuda(op, assembled, request, true)); 1504 return CEED_ERROR_SUCCESS; 1505 } 1506 1507 //------------------------------------------------------------------------------ 1508 // Single Operator Assembly Setup 1509 //------------------------------------------------------------------------------ 1510 static int CeedOperatorAssembleSingleSetup_Cuda(CeedOperator op, CeedInt use_ceedsize_idx) { 1511 Ceed ceed; 1512 Ceed_Cuda *cuda_data; 1513 CeedInt num_input_fields, num_output_fields, num_eval_modes_in = 0, num_eval_modes_out = 0; 1514 CeedInt elem_size_in, num_qpts_in = 0, num_comp_in, elem_size_out, num_qpts_out, num_comp_out, q_comp; 1515 CeedEvalMode *eval_modes_in = NULL, *eval_modes_out = NULL; 1516 CeedElemRestriction rstr_in = NULL, rstr_out = NULL; 1517 CeedBasis basis_in = NULL, basis_out = NULL; 1518 CeedQFunctionField *qf_fields; 1519 CeedQFunction qf; 1520 CeedOperatorField *input_fields, *output_fields; 1521 CeedOperator_Cuda *impl; 1522 1523 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1524 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1525 1526 // Get intput and output fields 1527 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &input_fields, &num_output_fields, &output_fields)); 1528 1529 // Determine active input basis eval mode 1530 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 1531 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_fields, NULL, NULL)); 1532 for (CeedInt i = 0; i < num_input_fields; i++) { 1533 CeedVector vec; 1534 1535 CeedCallBackend(CeedOperatorFieldGetVector(input_fields[i], &vec)); 1536 if (vec == CEED_VECTOR_ACTIVE) { 1537 CeedEvalMode eval_mode; 1538 CeedElemRestriction elem_rstr; 1539 CeedBasis basis; 1540 1541 CeedCallBackend(CeedOperatorFieldGetBasis(input_fields[i], &basis)); 1542 CeedCheck(!basis_in || basis_in == basis, ceed, CEED_ERROR_BACKEND, "Backend does not implement operator assembly with multiple active bases"); 1543 if (!basis_in) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_in)); 1544 CeedCallBackend(CeedBasisDestroy(&basis)); 1545 CeedCallBackend(CeedOperatorFieldGetElemRestriction(input_fields[i], &elem_rstr)); 1546 if (!rstr_in) CeedCallBackend(CeedElemRestrictionReferenceCopy(elem_rstr, &rstr_in)); 1547 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 1548 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr_in, &elem_size_in)); 1549 if (basis_in == CEED_BASIS_NONE) num_qpts_in = elem_size_in; 1550 else CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis_in, &num_qpts_in)); 1551 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1552 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_in, eval_mode, &q_comp)); 1553 if (eval_mode != CEED_EVAL_WEIGHT) { 1554 // q_comp = 1 if CEED_EVAL_NONE, CEED_EVAL_WEIGHT caught by QF Assembly 1555 CeedCallBackend(CeedRealloc(num_eval_modes_in + q_comp, &eval_modes_in)); 1556 for (CeedInt d = 0; d < q_comp; d++) { 1557 eval_modes_in[num_eval_modes_in + d] = eval_mode; 1558 } 1559 num_eval_modes_in += q_comp; 1560 } 1561 } 1562 CeedCallBackend(CeedVectorDestroy(&vec)); 1563 } 1564 1565 // Determine active output basis; basis_out and rstr_out only used if same as input, TODO 1566 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, NULL, NULL, &qf_fields)); 1567 for (CeedInt i = 0; i < num_output_fields; i++) { 1568 CeedVector vec; 1569 1570 CeedCallBackend(CeedOperatorFieldGetVector(output_fields[i], &vec)); 1571 if (vec == CEED_VECTOR_ACTIVE) { 1572 CeedEvalMode eval_mode; 1573 CeedElemRestriction elem_rstr; 1574 CeedBasis basis; 1575 1576 CeedCallBackend(CeedOperatorFieldGetBasis(output_fields[i], &basis)); 1577 CeedCheck(!basis_out || basis_out == basis, ceed, CEED_ERROR_BACKEND, 1578 "Backend does not implement operator assembly with multiple active bases"); 1579 if (!basis_out) CeedCallBackend(CeedBasisReferenceCopy(basis, &basis_out)); 1580 CeedCallBackend(CeedBasisDestroy(&basis)); 1581 CeedCallBackend(CeedOperatorFieldGetElemRestriction(output_fields[i], &elem_rstr)); 1582 if (!rstr_out) CeedCallBackend(CeedElemRestrictionReferenceCopy(elem_rstr, &rstr_out)); 1583 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 1584 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr_out, &elem_size_out)); 1585 if (basis_out == CEED_BASIS_NONE) num_qpts_out = elem_size_out; 1586 else CeedCallBackend(CeedBasisGetNumQuadraturePoints(basis_out, &num_qpts_out)); 1587 CeedCheck(num_qpts_in == num_qpts_out, ceed, CEED_ERROR_UNSUPPORTED, 1588 "Active input and output bases must have the same number of quadrature points"); 1589 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_fields[i], &eval_mode)); 1590 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_out, eval_mode, &q_comp)); 1591 if (eval_mode != CEED_EVAL_WEIGHT) { 1592 // q_comp = 1 if CEED_EVAL_NONE, CEED_EVAL_WEIGHT caught by QF Assembly 1593 CeedCallBackend(CeedRealloc(num_eval_modes_out + q_comp, &eval_modes_out)); 1594 for (CeedInt d = 0; d < q_comp; d++) { 1595 eval_modes_out[num_eval_modes_out + d] = eval_mode; 1596 } 1597 num_eval_modes_out += q_comp; 1598 } 1599 } 1600 CeedCallBackend(CeedVectorDestroy(&vec)); 1601 } 1602 CeedCheck(num_eval_modes_in > 0 && num_eval_modes_out > 0, ceed, CEED_ERROR_UNSUPPORTED, "Cannot assemble operator without inputs/outputs"); 1603 1604 CeedCallBackend(CeedCalloc(1, &impl->asmb)); 1605 CeedOperatorAssemble_Cuda *asmb = impl->asmb; 1606 asmb->elems_per_block = 1; 1607 asmb->block_size_x = elem_size_in; 1608 asmb->block_size_y = elem_size_out; 1609 1610 CeedCallBackend(CeedGetData(ceed, &cuda_data)); 1611 bool fallback = asmb->block_size_x * asmb->block_size_y * asmb->elems_per_block > cuda_data->device_prop.maxThreadsPerBlock; 1612 1613 if (fallback) { 1614 // Use fallback kernel with 1D threadblock 1615 asmb->block_size_y = 1; 1616 } 1617 1618 // Compile kernels 1619 const char assembly_kernel_source[] = "// Full assembly source\n#include <ceed/jit-source/cuda/cuda-ref-operator-assemble.h>\n"; 1620 1621 CeedCallBackend(CeedElemRestrictionGetNumComponents(rstr_in, &num_comp_in)); 1622 CeedCallBackend(CeedElemRestrictionGetNumComponents(rstr_out, &num_comp_out)); 1623 CeedCallBackend(CeedCompile_Cuda(ceed, assembly_kernel_source, &asmb->module, 10, "NUM_EVAL_MODES_IN", num_eval_modes_in, "NUM_EVAL_MODES_OUT", 1624 num_eval_modes_out, "NUM_COMP_IN", num_comp_in, "NUM_COMP_OUT", num_comp_out, "NUM_NODES_IN", elem_size_in, 1625 "NUM_NODES_OUT", elem_size_out, "NUM_QPTS", num_qpts_in, "BLOCK_SIZE", 1626 asmb->block_size_x * asmb->block_size_y * asmb->elems_per_block, "BLOCK_SIZE_Y", asmb->block_size_y, 1627 "USE_CEEDSIZE", use_ceedsize_idx)); 1628 CeedCallBackend(CeedGetKernel_Cuda(ceed, asmb->module, "LinearAssemble", &asmb->LinearAssemble)); 1629 1630 // Load into B_in, in order that they will be used in eval_modes_in 1631 { 1632 const CeedInt in_bytes = elem_size_in * num_qpts_in * num_eval_modes_in * sizeof(CeedScalar); 1633 CeedInt d_in = 0; 1634 CeedEvalMode eval_modes_in_prev = CEED_EVAL_NONE; 1635 bool has_eval_none = false; 1636 CeedScalar *identity = NULL; 1637 1638 for (CeedInt i = 0; i < num_eval_modes_in; i++) { 1639 has_eval_none = has_eval_none || (eval_modes_in[i] == CEED_EVAL_NONE); 1640 } 1641 if (has_eval_none) { 1642 CeedCallBackend(CeedCalloc(elem_size_in * num_qpts_in, &identity)); 1643 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; 1644 } 1645 1646 CeedCallCuda(ceed, cudaMalloc((void **)&asmb->d_B_in, in_bytes)); 1647 for (CeedInt i = 0; i < num_eval_modes_in; i++) { 1648 const CeedScalar *h_B_in; 1649 1650 CeedCallBackend(CeedOperatorGetBasisPointer(basis_in, eval_modes_in[i], identity, &h_B_in)); 1651 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_in, eval_modes_in[i], &q_comp)); 1652 if (q_comp > 1) { 1653 if (i == 0 || eval_modes_in[i] != eval_modes_in_prev) d_in = 0; 1654 else h_B_in = &h_B_in[(++d_in) * elem_size_in * num_qpts_in]; 1655 } 1656 eval_modes_in_prev = eval_modes_in[i]; 1657 1658 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), 1659 cudaMemcpyHostToDevice)); 1660 } 1661 CeedCallBackend(CeedFree(&identity)); 1662 } 1663 CeedCallBackend(CeedFree(&eval_modes_in)); 1664 1665 // Load into B_out, in order that they will be used in eval_modes_out 1666 { 1667 const CeedInt out_bytes = elem_size_out * num_qpts_out * num_eval_modes_out * sizeof(CeedScalar); 1668 CeedInt d_out = 0; 1669 CeedEvalMode eval_modes_out_prev = CEED_EVAL_NONE; 1670 bool has_eval_none = false; 1671 CeedScalar *identity = NULL; 1672 1673 for (CeedInt i = 0; i < num_eval_modes_out; i++) { 1674 has_eval_none = has_eval_none || (eval_modes_out[i] == CEED_EVAL_NONE); 1675 } 1676 if (has_eval_none) { 1677 CeedCallBackend(CeedCalloc(elem_size_out * num_qpts_out, &identity)); 1678 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; 1679 } 1680 1681 CeedCallCuda(ceed, cudaMalloc((void **)&asmb->d_B_out, out_bytes)); 1682 for (CeedInt i = 0; i < num_eval_modes_out; i++) { 1683 const CeedScalar *h_B_out; 1684 1685 CeedCallBackend(CeedOperatorGetBasisPointer(basis_out, eval_modes_out[i], identity, &h_B_out)); 1686 CeedCallBackend(CeedBasisGetNumQuadratureComponents(basis_out, eval_modes_out[i], &q_comp)); 1687 if (q_comp > 1) { 1688 if (i == 0 || eval_modes_out[i] != eval_modes_out_prev) d_out = 0; 1689 else h_B_out = &h_B_out[(++d_out) * elem_size_out * num_qpts_out]; 1690 } 1691 eval_modes_out_prev = eval_modes_out[i]; 1692 1693 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), 1694 cudaMemcpyHostToDevice)); 1695 } 1696 CeedCallBackend(CeedFree(&identity)); 1697 } 1698 CeedCallBackend(CeedFree(&eval_modes_out)); 1699 CeedCallBackend(CeedDestroy(&ceed)); 1700 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_in)); 1701 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_out)); 1702 CeedCallBackend(CeedBasisDestroy(&basis_in)); 1703 CeedCallBackend(CeedBasisDestroy(&basis_out)); 1704 CeedCallBackend(CeedQFunctionDestroy(&qf)); 1705 return CEED_ERROR_SUCCESS; 1706 } 1707 1708 //------------------------------------------------------------------------------ 1709 // Assemble matrix data for COO matrix of assembled operator. 1710 // The sparsity pattern is set by CeedOperatorLinearAssembleSymbolic. 1711 // 1712 // Note that this (and other assembly routines) currently assume only one active input restriction/basis per operator 1713 // (could have multiple basis eval modes). 1714 // TODO: allow multiple active input restrictions/basis objects 1715 //------------------------------------------------------------------------------ 1716 static int CeedOperatorAssembleSingle_Cuda(CeedOperator op, CeedInt offset, CeedVector values) { 1717 Ceed ceed; 1718 CeedSize values_length = 0, assembled_qf_length = 0; 1719 CeedInt use_ceedsize_idx = 0, num_elem_in, num_elem_out, elem_size_in, elem_size_out; 1720 CeedScalar *values_array; 1721 const CeedScalar *assembled_qf_array; 1722 CeedVector assembled_qf = NULL; 1723 CeedElemRestriction assembled_rstr = NULL, rstr_in, rstr_out; 1724 CeedRestrictionType rstr_type_in, rstr_type_out; 1725 const bool *orients_in = NULL, *orients_out = NULL; 1726 const CeedInt8 *curl_orients_in = NULL, *curl_orients_out = NULL; 1727 CeedOperator_Cuda *impl; 1728 1729 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1730 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1731 1732 // Assemble QFunction 1733 CeedCallBackend(CeedOperatorLinearAssembleQFunctionBuildOrUpdate(op, &assembled_qf, &assembled_rstr, CEED_REQUEST_IMMEDIATE)); 1734 CeedCallBackend(CeedElemRestrictionDestroy(&assembled_rstr)); 1735 CeedCallBackend(CeedVectorGetArrayRead(assembled_qf, CEED_MEM_DEVICE, &assembled_qf_array)); 1736 1737 CeedCallBackend(CeedVectorGetLength(values, &values_length)); 1738 CeedCallBackend(CeedVectorGetLength(assembled_qf, &assembled_qf_length)); 1739 if ((values_length > INT_MAX) || (assembled_qf_length > INT_MAX)) use_ceedsize_idx = 1; 1740 1741 // Setup 1742 if (!impl->asmb) CeedCallBackend(CeedOperatorAssembleSingleSetup_Cuda(op, use_ceedsize_idx)); 1743 CeedOperatorAssemble_Cuda *asmb = impl->asmb; 1744 1745 assert(asmb != NULL); 1746 1747 // Assemble element operator 1748 CeedCallBackend(CeedVectorGetArray(values, CEED_MEM_DEVICE, &values_array)); 1749 values_array += offset; 1750 1751 CeedCallBackend(CeedOperatorGetActiveElemRestrictions(op, &rstr_in, &rstr_out)); 1752 CeedCallBackend(CeedElemRestrictionGetNumElements(rstr_in, &num_elem_in)); 1753 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr_in, &elem_size_in)); 1754 1755 CeedCallBackend(CeedElemRestrictionGetType(rstr_in, &rstr_type_in)); 1756 if (rstr_type_in == CEED_RESTRICTION_ORIENTED) { 1757 CeedCallBackend(CeedElemRestrictionGetOrientations(rstr_in, CEED_MEM_DEVICE, &orients_in)); 1758 } else if (rstr_type_in == CEED_RESTRICTION_CURL_ORIENTED) { 1759 CeedCallBackend(CeedElemRestrictionGetCurlOrientations(rstr_in, CEED_MEM_DEVICE, &curl_orients_in)); 1760 } 1761 1762 if (rstr_in != rstr_out) { 1763 CeedCallBackend(CeedElemRestrictionGetNumElements(rstr_out, &num_elem_out)); 1764 CeedCheck(num_elem_in == num_elem_out, ceed, CEED_ERROR_UNSUPPORTED, 1765 "Active input and output operator restrictions must have the same number of elements"); 1766 CeedCallBackend(CeedElemRestrictionGetElementSize(rstr_out, &elem_size_out)); 1767 1768 CeedCallBackend(CeedElemRestrictionGetType(rstr_out, &rstr_type_out)); 1769 if (rstr_type_out == CEED_RESTRICTION_ORIENTED) { 1770 CeedCallBackend(CeedElemRestrictionGetOrientations(rstr_out, CEED_MEM_DEVICE, &orients_out)); 1771 } else if (rstr_type_out == CEED_RESTRICTION_CURL_ORIENTED) { 1772 CeedCallBackend(CeedElemRestrictionGetCurlOrientations(rstr_out, CEED_MEM_DEVICE, &curl_orients_out)); 1773 } 1774 } else { 1775 elem_size_out = elem_size_in; 1776 orients_out = orients_in; 1777 curl_orients_out = curl_orients_in; 1778 } 1779 1780 // Compute B^T D B 1781 CeedInt shared_mem = 1782 ((curl_orients_in || curl_orients_out ? elem_size_in * elem_size_out : 0) + (curl_orients_in ? elem_size_in * asmb->block_size_y : 0)) * 1783 sizeof(CeedScalar); 1784 CeedInt grid = CeedDivUpInt(num_elem_in, asmb->elems_per_block); 1785 void *args[] = {(void *)&num_elem_in, &asmb->d_B_in, &asmb->d_B_out, &orients_in, &curl_orients_in, 1786 &orients_out, &curl_orients_out, &assembled_qf_array, &values_array}; 1787 1788 CeedCallBackend(CeedRunKernelDimShared_Cuda(ceed, asmb->LinearAssemble, NULL, grid, asmb->block_size_x, asmb->block_size_y, asmb->elems_per_block, 1789 shared_mem, args)); 1790 1791 // Restore arrays 1792 CeedCallBackend(CeedVectorRestoreArray(values, &values_array)); 1793 CeedCallBackend(CeedVectorRestoreArrayRead(assembled_qf, &assembled_qf_array)); 1794 1795 // Cleanup 1796 CeedCallBackend(CeedVectorDestroy(&assembled_qf)); 1797 if (rstr_type_in == CEED_RESTRICTION_ORIENTED) { 1798 CeedCallBackend(CeedElemRestrictionRestoreOrientations(rstr_in, &orients_in)); 1799 } else if (rstr_type_in == CEED_RESTRICTION_CURL_ORIENTED) { 1800 CeedCallBackend(CeedElemRestrictionRestoreCurlOrientations(rstr_in, &curl_orients_in)); 1801 } 1802 if (rstr_in != rstr_out) { 1803 if (rstr_type_out == CEED_RESTRICTION_ORIENTED) { 1804 CeedCallBackend(CeedElemRestrictionRestoreOrientations(rstr_out, &orients_out)); 1805 } else if (rstr_type_out == CEED_RESTRICTION_CURL_ORIENTED) { 1806 CeedCallBackend(CeedElemRestrictionRestoreCurlOrientations(rstr_out, &curl_orients_out)); 1807 } 1808 } 1809 CeedCallBackend(CeedDestroy(&ceed)); 1810 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_in)); 1811 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_out)); 1812 return CEED_ERROR_SUCCESS; 1813 } 1814 1815 //------------------------------------------------------------------------------ 1816 // Assemble Linear QFunction AtPoints 1817 //------------------------------------------------------------------------------ 1818 static int CeedOperatorLinearAssembleQFunctionAtPoints_Cuda(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr, CeedRequest *request) { 1819 return CeedError(CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "Backend does not implement CeedOperatorLinearAssembleQFunction"); 1820 } 1821 1822 //------------------------------------------------------------------------------ 1823 // Assemble Linear Diagonal AtPoints 1824 //------------------------------------------------------------------------------ 1825 static int CeedOperatorLinearAssembleAddDiagonalAtPoints_Cuda(CeedOperator op, CeedVector assembled, CeedRequest *request) { 1826 CeedInt max_num_points, *num_points, num_elem, num_input_fields, num_output_fields; 1827 Ceed ceed; 1828 CeedVector active_e_vec_in, active_e_vec_out; 1829 CeedQFunctionField *qf_input_fields, *qf_output_fields; 1830 CeedQFunction qf; 1831 CeedOperatorField *op_input_fields, *op_output_fields; 1832 CeedOperator_Cuda *impl; 1833 1834 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 1835 CeedCallBackend(CeedOperatorGetData(op, &impl)); 1836 CeedCallBackend(CeedOperatorGetQFunction(op, &qf)); 1837 CeedCallBackend(CeedOperatorGetNumElements(op, &num_elem)); 1838 CeedCallBackend(CeedOperatorGetFields(op, &num_input_fields, &op_input_fields, &num_output_fields, &op_output_fields)); 1839 CeedCallBackend(CeedQFunctionGetFields(qf, NULL, &qf_input_fields, NULL, &qf_output_fields)); 1840 1841 // Setup 1842 CeedCallBackend(CeedOperatorSetupAtPoints_Cuda(op)); 1843 num_points = impl->num_points; 1844 max_num_points = impl->max_num_points; 1845 1846 // Work vector 1847 CeedCallBackend(CeedGetWorkVector(ceed, impl->max_active_e_vec_len, &active_e_vec_in)); 1848 CeedCallBackend(CeedGetWorkVector(ceed, impl->max_active_e_vec_len, &active_e_vec_out)); 1849 { 1850 CeedSize length_in, length_out; 1851 1852 CeedCallBackend(CeedVectorGetLength(active_e_vec_in, &length_in)); 1853 CeedCallBackend(CeedVectorGetLength(active_e_vec_out, &length_out)); 1854 // Need input e_vec to be longer 1855 if (length_in < length_out) { 1856 CeedVector temp = active_e_vec_in; 1857 1858 active_e_vec_in = active_e_vec_out; 1859 active_e_vec_out = temp; 1860 } 1861 } 1862 1863 // Get point coordinates 1864 { 1865 CeedVector point_coords = NULL; 1866 CeedElemRestriction rstr_points = NULL; 1867 1868 CeedCallBackend(CeedOperatorAtPointsGetPoints(op, &rstr_points, &point_coords)); 1869 if (!impl->point_coords_elem) CeedCallBackend(CeedElemRestrictionCreateVector(rstr_points, NULL, &impl->point_coords_elem)); 1870 { 1871 uint64_t state; 1872 CeedCallBackend(CeedVectorGetState(point_coords, &state)); 1873 if (impl->points_state != state) { 1874 CeedCallBackend(CeedElemRestrictionApply(rstr_points, CEED_NOTRANSPOSE, point_coords, impl->point_coords_elem, request)); 1875 } 1876 } 1877 CeedCallBackend(CeedVectorDestroy(&point_coords)); 1878 CeedCallBackend(CeedElemRestrictionDestroy(&rstr_points)); 1879 } 1880 1881 // Process inputs 1882 for (CeedInt i = 0; i < num_input_fields; i++) { 1883 CeedCallBackend(CeedOperatorInputRestrict_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, true, impl, request)); 1884 CeedCallBackend( 1885 CeedOperatorInputBasisAtPoints_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, num_elem, num_points, true, false, impl)); 1886 } 1887 1888 // Output pointers, as necessary 1889 for (CeedInt i = 0; i < num_output_fields; i++) { 1890 CeedEvalMode eval_mode; 1891 1892 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 1893 if (eval_mode == CEED_EVAL_NONE) { 1894 CeedScalar *e_vec_array; 1895 1896 CeedCallBackend(CeedVectorGetArrayWrite(impl->e_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 1897 CeedCallBackend(CeedVectorSetArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, CEED_USE_POINTER, e_vec_array)); 1898 } 1899 } 1900 1901 // Loop over active fields 1902 for (CeedInt i = 0; i < num_input_fields; i++) { 1903 bool is_active = false, is_active_at_points = true; 1904 CeedInt elem_size = 1, num_comp_active = 1, e_vec_size = 0, field_in = impl->input_field_order[i]; 1905 CeedRestrictionType rstr_type; 1906 CeedVector l_vec; 1907 CeedElemRestriction elem_rstr; 1908 1909 // -- Skip non-active input 1910 CeedCallBackend(CeedOperatorFieldGetVector(op_input_fields[field_in], &l_vec)); 1911 is_active = l_vec == CEED_VECTOR_ACTIVE; 1912 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1913 if (!is_active || impl->skip_rstr_in[field_in]) continue; 1914 1915 // -- Get active restriction type 1916 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_input_fields[field_in], &elem_rstr)); 1917 CeedCallBackend(CeedElemRestrictionGetType(elem_rstr, &rstr_type)); 1918 is_active_at_points = rstr_type == CEED_RESTRICTION_POINTS; 1919 if (!is_active_at_points) CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 1920 else elem_size = max_num_points; 1921 CeedCallBackend(CeedElemRestrictionGetNumComponents(elem_rstr, &num_comp_active)); 1922 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 1923 1924 e_vec_size = elem_size * num_comp_active; 1925 CeedCallBackend(CeedVectorSetValue(active_e_vec_in, 0.0)); 1926 for (CeedInt s = 0; s < e_vec_size; s++) { 1927 CeedVector q_vec = impl->q_vecs_in[field_in]; 1928 1929 // Update unit vector 1930 { 1931 // Note: E-vec strides are node * (1) + comp * (elem_size * num_elem) + elem * (elem_size) 1932 CeedInt node = (s - 1) % elem_size, comp = (s - 1) / elem_size; 1933 CeedSize start = node * 1 + comp * (elem_size * num_elem); 1934 CeedSize stop = (comp + 1) * (elem_size * num_elem); 1935 1936 if (s != 0) CeedCallBackend(CeedVectorSetValueStrided(active_e_vec_in, start, stop, elem_size, 0.0)); 1937 1938 node = s % elem_size, comp = s / elem_size; 1939 start = node * 1 + comp * (elem_size * num_elem); 1940 stop = (comp + 1) * (elem_size * num_elem); 1941 CeedCallBackend(CeedVectorSetValueStrided(active_e_vec_in, start, stop, elem_size, 1.0)); 1942 } 1943 1944 // Basis action 1945 for (CeedInt j = 0; j < num_input_fields; j++) { 1946 CeedInt field = impl->input_field_order[j]; 1947 1948 CeedCallBackend(CeedOperatorInputBasisAtPoints_Cuda(op_input_fields[field], qf_input_fields[field], field, NULL, active_e_vec_in, num_elem, 1949 num_points, false, true, impl)); 1950 } 1951 1952 // Q function 1953 CeedCallBackend(CeedQFunctionApply(qf, num_elem * max_num_points, impl->q_vecs_in, impl->q_vecs_out)); 1954 1955 // Output basis apply if needed 1956 for (CeedInt j = 0; j < num_output_fields; j++) { 1957 bool is_active = false; 1958 CeedInt elem_size = 0; 1959 CeedInt field_out = impl->output_field_order[j]; 1960 CeedRestrictionType rstr_type; 1961 CeedEvalMode eval_mode; 1962 CeedVector l_vec, e_vec = impl->e_vecs_out[field_out], q_vec = impl->q_vecs_out[field_out]; 1963 CeedElemRestriction elem_rstr; 1964 1965 // ---- Skip non-active output 1966 CeedCallBackend(CeedOperatorFieldGetVector(op_output_fields[field_out], &l_vec)); 1967 is_active = l_vec == CEED_VECTOR_ACTIVE; 1968 CeedCallBackend(CeedVectorDestroy(&l_vec)); 1969 if (!is_active) continue; 1970 if (!e_vec) e_vec = active_e_vec_out; 1971 1972 // ---- Check if elem size matches 1973 CeedCallBackend(CeedOperatorFieldGetElemRestriction(op_output_fields[field_out], &elem_rstr)); 1974 CeedCallBackend(CeedElemRestrictionGetType(elem_rstr, &rstr_type)); 1975 if (is_active_at_points && rstr_type != CEED_RESTRICTION_POINTS) continue; 1976 if (rstr_type == CEED_RESTRICTION_POINTS) { 1977 CeedCallBackend(CeedElemRestrictionGetMaxPointsInElement(elem_rstr, &elem_size)); 1978 } else { 1979 CeedCallBackend(CeedElemRestrictionGetElementSize(elem_rstr, &elem_size)); 1980 } 1981 { 1982 CeedInt num_comp = 0; 1983 1984 CeedCallBackend(CeedElemRestrictionGetNumComponents(elem_rstr, &num_comp)); 1985 if (e_vec_size != num_comp * elem_size) continue; 1986 } 1987 1988 // Basis action 1989 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[field_out], &eval_mode)); 1990 switch (eval_mode) { 1991 case CEED_EVAL_NONE: { 1992 CeedScalar *e_vec_array; 1993 1994 CeedCallBackend(CeedVectorTakeArray(q_vec, CEED_MEM_DEVICE, &e_vec_array)); 1995 CeedCallBackend(CeedVectorRestoreArray(e_vec, &e_vec_array)); 1996 break; 1997 } 1998 case CEED_EVAL_INTERP: 1999 case CEED_EVAL_GRAD: 2000 case CEED_EVAL_DIV: 2001 case CEED_EVAL_CURL: { 2002 CeedBasis basis; 2003 2004 CeedCallBackend(CeedOperatorFieldGetBasis(op_output_fields[field_out], &basis)); 2005 if (impl->apply_add_basis_out[field_out]) { 2006 CeedCallBackend( 2007 CeedBasisApplyAddAtPoints(basis, num_elem, num_points, CEED_TRANSPOSE, eval_mode, impl->point_coords_elem, q_vec, e_vec)); 2008 } else { 2009 CeedCallBackend(CeedBasisApplyAtPoints(basis, num_elem, num_points, CEED_TRANSPOSE, eval_mode, impl->point_coords_elem, q_vec, e_vec)); 2010 } 2011 CeedCallBackend(CeedBasisDestroy(&basis)); 2012 break; 2013 } 2014 // LCOV_EXCL_START 2015 case CEED_EVAL_WEIGHT: { 2016 return CeedError(CeedOperatorReturnCeed(op), CEED_ERROR_BACKEND, "CEED_EVAL_WEIGHT cannot be an output evaluation mode"); 2017 // LCOV_EXCL_STOP 2018 } 2019 } 2020 2021 // Mask output e-vec 2022 if (impl->skip_rstr_out[field_out]) { 2023 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 2024 continue; 2025 } 2026 CeedCallBackend(CeedVectorPointwiseMult(e_vec, active_e_vec_in, e_vec)); 2027 2028 // Restrict 2029 CeedCallBackend(CeedElemRestrictionApply(elem_rstr, CEED_TRANSPOSE, e_vec, assembled, request)); 2030 CeedCallBackend(CeedElemRestrictionDestroy(&elem_rstr)); 2031 2032 // Reset q_vec for 2033 if (eval_mode == CEED_EVAL_NONE) { 2034 CeedScalar *e_vec_array; 2035 2036 CeedCallBackend(CeedVectorGetArrayWrite(e_vec, CEED_MEM_DEVICE, &e_vec_array)); 2037 CeedCallBackend(CeedVectorSetArray(q_vec, CEED_MEM_DEVICE, CEED_USE_POINTER, e_vec_array)); 2038 } 2039 } 2040 2041 // Reset vec 2042 if (s == e_vec_size - 1 && i != num_input_fields - 1) CeedCallBackend(CeedVectorSetValue(q_vec, 0.0)); 2043 } 2044 } 2045 2046 // Restore CEED_EVAL_NONE 2047 for (CeedInt i = 0; i < num_output_fields; i++) { 2048 CeedEvalMode eval_mode; 2049 2050 // Get eval_mode 2051 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 2052 2053 // Restore evec 2054 CeedCallBackend(CeedQFunctionFieldGetEvalMode(qf_output_fields[i], &eval_mode)); 2055 if (eval_mode == CEED_EVAL_NONE) { 2056 CeedScalar *e_vec_array; 2057 2058 CeedCallBackend(CeedVectorTakeArray(impl->q_vecs_out[i], CEED_MEM_DEVICE, &e_vec_array)); 2059 CeedCallBackend(CeedVectorRestoreArray(impl->e_vecs_out[i], &e_vec_array)); 2060 } 2061 } 2062 2063 // Restore input arrays 2064 for (CeedInt i = 0; i < num_input_fields; i++) { 2065 CeedCallBackend(CeedOperatorInputRestore_Cuda(op_input_fields[i], qf_input_fields[i], i, NULL, NULL, true, impl)); 2066 } 2067 2068 // Restore work vector 2069 CeedCallBackend(CeedRestoreWorkVector(ceed, &active_e_vec_in)); 2070 CeedCallBackend(CeedRestoreWorkVector(ceed, &active_e_vec_out)); 2071 CeedCallBackend(CeedDestroy(&ceed)); 2072 CeedCallBackend(CeedQFunctionDestroy(&qf)); 2073 return CEED_ERROR_SUCCESS; 2074 } 2075 2076 //------------------------------------------------------------------------------ 2077 // Create operator 2078 //------------------------------------------------------------------------------ 2079 int CeedOperatorCreate_Cuda(CeedOperator op) { 2080 Ceed ceed; 2081 CeedOperator_Cuda *impl; 2082 2083 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 2084 CeedCallBackend(CeedCalloc(1, &impl)); 2085 CeedCallBackend(CeedOperatorSetData(op, impl)); 2086 2087 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunction_Cuda)); 2088 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunctionUpdate", CeedOperatorLinearAssembleQFunctionUpdate_Cuda)); 2089 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleAddDiagonal", CeedOperatorLinearAssembleAddDiagonal_Cuda)); 2090 CeedCallBackend( 2091 CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleAddPointBlockDiagonal", CeedOperatorLinearAssembleAddPointBlockDiagonal_Cuda)); 2092 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleSingle", CeedOperatorAssembleSingle_Cuda)); 2093 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAdd_Cuda)); 2094 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Cuda)); 2095 CeedCallBackend(CeedDestroy(&ceed)); 2096 return CEED_ERROR_SUCCESS; 2097 } 2098 2099 //------------------------------------------------------------------------------ 2100 // Create operator AtPoints 2101 //------------------------------------------------------------------------------ 2102 int CeedOperatorCreateAtPoints_Cuda(CeedOperator op) { 2103 Ceed ceed; 2104 CeedOperator_Cuda *impl; 2105 2106 CeedCallBackend(CeedOperatorGetCeed(op, &ceed)); 2107 CeedCallBackend(CeedCalloc(1, &impl)); 2108 CeedCallBackend(CeedOperatorSetData(op, impl)); 2109 2110 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleQFunction", CeedOperatorLinearAssembleQFunctionAtPoints_Cuda)); 2111 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "LinearAssembleAddDiagonal", CeedOperatorLinearAssembleAddDiagonalAtPoints_Cuda)); 2112 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "ApplyAdd", CeedOperatorApplyAddAtPoints_Cuda)); 2113 CeedCallBackend(CeedSetBackendFunction(ceed, "Operator", op, "Destroy", CeedOperatorDestroy_Cuda)); 2114 CeedCallBackend(CeedDestroy(&ceed)); 2115 return CEED_ERROR_SUCCESS; 2116 } 2117 2118 //------------------------------------------------------------------------------ 2119