1 // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3 // 4 // SPDX-License-Identifier: BSD-2-Clause 5 // 6 // This file is part of CEED: http://github.com/ceed 7 8 #include <ceed.h> 9 #include <ceed/backend.h> 10 #include <math.h> 11 #include <stdbool.h> 12 #include <string.h> 13 #include <hip/hip_runtime.h> 14 15 #include "../hip/ceed-hip-common.h" 16 #include "ceed-hip-ref.h" 17 18 //------------------------------------------------------------------------------ 19 // Check if host/device sync is needed 20 //------------------------------------------------------------------------------ 21 static inline int CeedVectorNeedSync_Hip(const CeedVector vec, CeedMemType mem_type, bool *need_sync) { 22 CeedVector_Hip *impl; 23 CeedCallBackend(CeedVectorGetData(vec, &impl)); 24 25 bool has_valid_array = false; 26 CeedCallBackend(CeedVectorHasValidArray(vec, &has_valid_array)); 27 switch (mem_type) { 28 case CEED_MEM_HOST: 29 *need_sync = has_valid_array && !impl->h_array; 30 break; 31 case CEED_MEM_DEVICE: 32 *need_sync = has_valid_array && !impl->d_array; 33 break; 34 } 35 36 return CEED_ERROR_SUCCESS; 37 } 38 39 //------------------------------------------------------------------------------ 40 // Sync host to device 41 //------------------------------------------------------------------------------ 42 static inline int CeedVectorSyncH2D_Hip(const CeedVector vec) { 43 Ceed ceed; 44 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 45 CeedVector_Hip *impl; 46 CeedCallBackend(CeedVectorGetData(vec, &impl)); 47 48 CeedSize length; 49 CeedCallBackend(CeedVectorGetLength(vec, &length)); 50 size_t bytes = length * sizeof(CeedScalar); 51 52 CeedCheck(impl->h_array, ceed, CEED_ERROR_BACKEND, "No valid host data to sync to device"); 53 54 if (impl->d_array_borrowed) { 55 impl->d_array = impl->d_array_borrowed; 56 } else if (impl->d_array_owned) { 57 impl->d_array = impl->d_array_owned; 58 } else { 59 CeedCallHip(ceed, hipMalloc((void **)&impl->d_array_owned, bytes)); 60 impl->d_array = impl->d_array_owned; 61 } 62 63 CeedCallHip(ceed, hipMemcpy(impl->d_array, impl->h_array, bytes, hipMemcpyHostToDevice)); 64 65 return CEED_ERROR_SUCCESS; 66 } 67 68 //------------------------------------------------------------------------------ 69 // Sync device to host 70 //------------------------------------------------------------------------------ 71 static inline int CeedVectorSyncD2H_Hip(const CeedVector vec) { 72 Ceed ceed; 73 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 74 CeedVector_Hip *impl; 75 CeedCallBackend(CeedVectorGetData(vec, &impl)); 76 77 CeedCheck(impl->d_array, ceed, CEED_ERROR_BACKEND, "No valid device data to sync to host"); 78 79 if (impl->h_array_borrowed) { 80 impl->h_array = impl->h_array_borrowed; 81 } else if (impl->h_array_owned) { 82 impl->h_array = impl->h_array_owned; 83 } else { 84 CeedSize length; 85 CeedCallBackend(CeedVectorGetLength(vec, &length)); 86 CeedCallBackend(CeedCalloc(length, &impl->h_array_owned)); 87 impl->h_array = impl->h_array_owned; 88 } 89 90 CeedSize length; 91 CeedCallBackend(CeedVectorGetLength(vec, &length)); 92 size_t bytes = length * sizeof(CeedScalar); 93 CeedCallHip(ceed, hipMemcpy(impl->h_array, impl->d_array, bytes, hipMemcpyDeviceToHost)); 94 95 return CEED_ERROR_SUCCESS; 96 } 97 98 //------------------------------------------------------------------------------ 99 // Sync arrays 100 //------------------------------------------------------------------------------ 101 static int CeedVectorSyncArray_Hip(const CeedVector vec, CeedMemType mem_type) { 102 // Check whether device/host sync is needed 103 bool need_sync = false; 104 CeedCallBackend(CeedVectorNeedSync_Hip(vec, mem_type, &need_sync)); 105 if (!need_sync) return CEED_ERROR_SUCCESS; 106 107 switch (mem_type) { 108 case CEED_MEM_HOST: 109 return CeedVectorSyncD2H_Hip(vec); 110 case CEED_MEM_DEVICE: 111 return CeedVectorSyncH2D_Hip(vec); 112 } 113 return CEED_ERROR_UNSUPPORTED; 114 } 115 116 //------------------------------------------------------------------------------ 117 // Set all pointers as invalid 118 //------------------------------------------------------------------------------ 119 static inline int CeedVectorSetAllInvalid_Hip(const CeedVector vec) { 120 CeedVector_Hip *impl; 121 CeedCallBackend(CeedVectorGetData(vec, &impl)); 122 123 impl->h_array = NULL; 124 impl->d_array = NULL; 125 126 return CEED_ERROR_SUCCESS; 127 } 128 129 //------------------------------------------------------------------------------ 130 // Check if CeedVector has any valid pointers 131 //------------------------------------------------------------------------------ 132 static inline int CeedVectorHasValidArray_Hip(const CeedVector vec, bool *has_valid_array) { 133 CeedVector_Hip *impl; 134 CeedCallBackend(CeedVectorGetData(vec, &impl)); 135 136 *has_valid_array = !!impl->h_array || !!impl->d_array; 137 138 return CEED_ERROR_SUCCESS; 139 } 140 141 //------------------------------------------------------------------------------ 142 // Check if has any array of given type 143 //------------------------------------------------------------------------------ 144 static inline int CeedVectorHasArrayOfType_Hip(const CeedVector vec, CeedMemType mem_type, bool *has_array_of_type) { 145 CeedVector_Hip *impl; 146 CeedCallBackend(CeedVectorGetData(vec, &impl)); 147 148 switch (mem_type) { 149 case CEED_MEM_HOST: 150 *has_array_of_type = !!impl->h_array_borrowed || !!impl->h_array_owned; 151 break; 152 case CEED_MEM_DEVICE: 153 *has_array_of_type = !!impl->d_array_borrowed || !!impl->d_array_owned; 154 break; 155 } 156 157 return CEED_ERROR_SUCCESS; 158 } 159 160 //------------------------------------------------------------------------------ 161 // Check if has borrowed array of given type 162 //------------------------------------------------------------------------------ 163 static inline int CeedVectorHasBorrowedArrayOfType_Hip(const CeedVector vec, CeedMemType mem_type, bool *has_borrowed_array_of_type) { 164 CeedVector_Hip *impl; 165 CeedCallBackend(CeedVectorGetData(vec, &impl)); 166 167 switch (mem_type) { 168 case CEED_MEM_HOST: 169 *has_borrowed_array_of_type = !!impl->h_array_borrowed; 170 break; 171 case CEED_MEM_DEVICE: 172 *has_borrowed_array_of_type = !!impl->d_array_borrowed; 173 break; 174 } 175 176 return CEED_ERROR_SUCCESS; 177 } 178 179 //------------------------------------------------------------------------------ 180 // Set array from host 181 //------------------------------------------------------------------------------ 182 static int CeedVectorSetArrayHost_Hip(const CeedVector vec, const CeedCopyMode copy_mode, CeedScalar *array) { 183 CeedVector_Hip *impl; 184 CeedCallBackend(CeedVectorGetData(vec, &impl)); 185 186 switch (copy_mode) { 187 case CEED_COPY_VALUES: { 188 CeedSize length; 189 if (!impl->h_array_owned) { 190 CeedCallBackend(CeedVectorGetLength(vec, &length)); 191 CeedCallBackend(CeedMalloc(length, &impl->h_array_owned)); 192 } 193 impl->h_array_borrowed = NULL; 194 impl->h_array = impl->h_array_owned; 195 if (array) { 196 CeedSize length; 197 CeedCallBackend(CeedVectorGetLength(vec, &length)); 198 size_t bytes = length * sizeof(CeedScalar); 199 memcpy(impl->h_array, array, bytes); 200 } 201 } break; 202 case CEED_OWN_POINTER: 203 CeedCallBackend(CeedFree(&impl->h_array_owned)); 204 impl->h_array_owned = array; 205 impl->h_array_borrowed = NULL; 206 impl->h_array = array; 207 break; 208 case CEED_USE_POINTER: 209 CeedCallBackend(CeedFree(&impl->h_array_owned)); 210 impl->h_array_borrowed = array; 211 impl->h_array = array; 212 break; 213 } 214 215 return CEED_ERROR_SUCCESS; 216 } 217 218 //------------------------------------------------------------------------------ 219 // Set array from device 220 //------------------------------------------------------------------------------ 221 static int CeedVectorSetArrayDevice_Hip(const CeedVector vec, const CeedCopyMode copy_mode, CeedScalar *array) { 222 Ceed ceed; 223 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 224 CeedVector_Hip *impl; 225 CeedCallBackend(CeedVectorGetData(vec, &impl)); 226 227 switch (copy_mode) { 228 case CEED_COPY_VALUES: { 229 CeedSize length; 230 CeedCallBackend(CeedVectorGetLength(vec, &length)); 231 size_t bytes = length * sizeof(CeedScalar); 232 if (!impl->d_array_owned) { 233 CeedCallHip(ceed, hipMalloc((void **)&impl->d_array_owned, bytes)); 234 } 235 impl->d_array_borrowed = NULL; 236 impl->d_array = impl->d_array_owned; 237 if (array) { 238 CeedCallHip(ceed, hipMemcpy(impl->d_array, array, bytes, hipMemcpyDeviceToDevice)); 239 } 240 } break; 241 case CEED_OWN_POINTER: 242 CeedCallHip(ceed, hipFree(impl->d_array_owned)); 243 impl->d_array_owned = array; 244 impl->d_array_borrowed = NULL; 245 impl->d_array = array; 246 break; 247 case CEED_USE_POINTER: 248 CeedCallHip(ceed, hipFree(impl->d_array_owned)); 249 impl->d_array_owned = NULL; 250 impl->d_array_borrowed = array; 251 impl->d_array = array; 252 break; 253 } 254 255 return CEED_ERROR_SUCCESS; 256 } 257 258 //------------------------------------------------------------------------------ 259 // Set the array used by a vector, 260 // freeing any previously allocated array if applicable 261 //------------------------------------------------------------------------------ 262 static int CeedVectorSetArray_Hip(const CeedVector vec, const CeedMemType mem_type, const CeedCopyMode copy_mode, CeedScalar *array) { 263 Ceed ceed; 264 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 265 CeedVector_Hip *impl; 266 CeedCallBackend(CeedVectorGetData(vec, &impl)); 267 268 CeedCallBackend(CeedVectorSetAllInvalid_Hip(vec)); 269 switch (mem_type) { 270 case CEED_MEM_HOST: 271 return CeedVectorSetArrayHost_Hip(vec, copy_mode, array); 272 case CEED_MEM_DEVICE: 273 return CeedVectorSetArrayDevice_Hip(vec, copy_mode, array); 274 } 275 276 return CEED_ERROR_UNSUPPORTED; 277 } 278 279 //------------------------------------------------------------------------------ 280 // Set host array to value 281 //------------------------------------------------------------------------------ 282 static int CeedHostSetValue_Hip(CeedScalar *h_array, CeedInt length, CeedScalar val) { 283 for (int i = 0; i < length; i++) h_array[i] = val; 284 return CEED_ERROR_SUCCESS; 285 } 286 287 //------------------------------------------------------------------------------ 288 // Set device array to value (impl in .hip file) 289 //------------------------------------------------------------------------------ 290 int CeedDeviceSetValue_Hip(CeedScalar *d_array, CeedInt length, CeedScalar val); 291 292 //------------------------------------------------------------------------------ 293 // Set a vector to a value, 294 //------------------------------------------------------------------------------ 295 static int CeedVectorSetValue_Hip(CeedVector vec, CeedScalar val) { 296 Ceed ceed; 297 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 298 CeedVector_Hip *impl; 299 CeedCallBackend(CeedVectorGetData(vec, &impl)); 300 CeedSize length; 301 CeedCallBackend(CeedVectorGetLength(vec, &length)); 302 303 // Set value for synced device/host array 304 if (!impl->d_array && !impl->h_array) { 305 if (impl->d_array_borrowed) { 306 impl->d_array = impl->d_array_borrowed; 307 } else if (impl->h_array_borrowed) { 308 impl->h_array = impl->h_array_borrowed; 309 } else if (impl->d_array_owned) { 310 impl->d_array = impl->d_array_owned; 311 } else if (impl->h_array_owned) { 312 impl->h_array = impl->h_array_owned; 313 } else { 314 CeedCallBackend(CeedVectorSetArray(vec, CEED_MEM_DEVICE, CEED_COPY_VALUES, NULL)); 315 } 316 } 317 if (impl->d_array) { 318 CeedCallBackend(CeedDeviceSetValue_Hip(impl->d_array, length, val)); 319 } 320 if (impl->h_array) { 321 CeedCallBackend(CeedHostSetValue_Hip(impl->h_array, length, val)); 322 } 323 324 return CEED_ERROR_SUCCESS; 325 } 326 327 //------------------------------------------------------------------------------ 328 // Vector Take Array 329 //------------------------------------------------------------------------------ 330 static int CeedVectorTakeArray_Hip(CeedVector vec, CeedMemType mem_type, CeedScalar **array) { 331 Ceed ceed; 332 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 333 CeedVector_Hip *impl; 334 CeedCallBackend(CeedVectorGetData(vec, &impl)); 335 336 // Sync array to requested mem_type 337 CeedCallBackend(CeedVectorSyncArray(vec, mem_type)); 338 339 // Update pointer 340 switch (mem_type) { 341 case CEED_MEM_HOST: 342 (*array) = impl->h_array_borrowed; 343 impl->h_array_borrowed = NULL; 344 impl->h_array = NULL; 345 break; 346 case CEED_MEM_DEVICE: 347 (*array) = impl->d_array_borrowed; 348 impl->d_array_borrowed = NULL; 349 impl->d_array = NULL; 350 break; 351 } 352 353 return CEED_ERROR_SUCCESS; 354 } 355 356 //------------------------------------------------------------------------------ 357 // Core logic for array syncronization for GetArray. 358 // If a different memory type is most up to date, this will perform a copy 359 //------------------------------------------------------------------------------ 360 static int CeedVectorGetArrayCore_Hip(const CeedVector vec, const CeedMemType mem_type, CeedScalar **array) { 361 Ceed ceed; 362 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 363 CeedVector_Hip *impl; 364 CeedCallBackend(CeedVectorGetData(vec, &impl)); 365 366 // Sync array to requested mem_type 367 CeedCallBackend(CeedVectorSyncArray(vec, mem_type)); 368 369 // Update pointer 370 switch (mem_type) { 371 case CEED_MEM_HOST: 372 *array = impl->h_array; 373 break; 374 case CEED_MEM_DEVICE: 375 *array = impl->d_array; 376 break; 377 } 378 379 return CEED_ERROR_SUCCESS; 380 } 381 382 //------------------------------------------------------------------------------ 383 // Get read-only access to a vector via the specified mem_type 384 //------------------------------------------------------------------------------ 385 static int CeedVectorGetArrayRead_Hip(const CeedVector vec, const CeedMemType mem_type, const CeedScalar **array) { 386 return CeedVectorGetArrayCore_Hip(vec, mem_type, (CeedScalar **)array); 387 } 388 389 //------------------------------------------------------------------------------ 390 // Get read/write access to a vector via the specified mem_type 391 //------------------------------------------------------------------------------ 392 static int CeedVectorGetArray_Hip(const CeedVector vec, const CeedMemType mem_type, CeedScalar **array) { 393 CeedVector_Hip *impl; 394 CeedCallBackend(CeedVectorGetData(vec, &impl)); 395 396 CeedCallBackend(CeedVectorGetArrayCore_Hip(vec, mem_type, array)); 397 398 CeedCallBackend(CeedVectorSetAllInvalid_Hip(vec)); 399 switch (mem_type) { 400 case CEED_MEM_HOST: 401 impl->h_array = *array; 402 break; 403 case CEED_MEM_DEVICE: 404 impl->d_array = *array; 405 break; 406 } 407 408 return CEED_ERROR_SUCCESS; 409 } 410 411 //------------------------------------------------------------------------------ 412 // Get write access to a vector via the specified mem_type 413 //------------------------------------------------------------------------------ 414 static int CeedVectorGetArrayWrite_Hip(const CeedVector vec, const CeedMemType mem_type, CeedScalar **array) { 415 CeedVector_Hip *impl; 416 CeedCallBackend(CeedVectorGetData(vec, &impl)); 417 418 bool has_array_of_type = true; 419 CeedCallBackend(CeedVectorHasArrayOfType_Hip(vec, mem_type, &has_array_of_type)); 420 if (!has_array_of_type) { 421 // Allocate if array is not yet allocated 422 CeedCallBackend(CeedVectorSetArray(vec, mem_type, CEED_COPY_VALUES, NULL)); 423 } else { 424 // Select dirty array 425 switch (mem_type) { 426 case CEED_MEM_HOST: 427 if (impl->h_array_borrowed) impl->h_array = impl->h_array_borrowed; 428 else impl->h_array = impl->h_array_owned; 429 break; 430 case CEED_MEM_DEVICE: 431 if (impl->d_array_borrowed) impl->d_array = impl->d_array_borrowed; 432 else impl->d_array = impl->d_array_owned; 433 } 434 } 435 436 return CeedVectorGetArray_Hip(vec, mem_type, array); 437 } 438 439 //------------------------------------------------------------------------------ 440 // Get the norm of a CeedVector 441 //------------------------------------------------------------------------------ 442 static int CeedVectorNorm_Hip(CeedVector vec, CeedNormType type, CeedScalar *norm) { 443 Ceed ceed; 444 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 445 CeedVector_Hip *impl; 446 CeedCallBackend(CeedVectorGetData(vec, &impl)); 447 CeedSize length; 448 CeedCallBackend(CeedVectorGetLength(vec, &length)); 449 hipblasHandle_t handle; 450 CeedCallBackend(CeedHipGetHipblasHandle(ceed, &handle)); 451 452 // Compute norm 453 const CeedScalar *d_array; 454 CeedCallBackend(CeedVectorGetArrayRead(vec, CEED_MEM_DEVICE, &d_array)); 455 switch (type) { 456 case CEED_NORM_1: { 457 if (CEED_SCALAR_TYPE == CEED_SCALAR_FP32) { 458 CeedCallHipblas(ceed, hipblasSasum(handle, length, (float *)d_array, 1, (float *)norm)); 459 } else { 460 CeedCallHipblas(ceed, hipblasDasum(handle, length, (double *)d_array, 1, (double *)norm)); 461 } 462 break; 463 } 464 case CEED_NORM_2: { 465 if (CEED_SCALAR_TYPE == CEED_SCALAR_FP32) { 466 CeedCallHipblas(ceed, hipblasSnrm2(handle, length, (float *)d_array, 1, (float *)norm)); 467 } else { 468 CeedCallHipblas(ceed, hipblasDnrm2(handle, length, (double *)d_array, 1, (double *)norm)); 469 } 470 break; 471 } 472 case CEED_NORM_MAX: { 473 CeedInt indx; 474 if (CEED_SCALAR_TYPE == CEED_SCALAR_FP32) { 475 CeedCallHipblas(ceed, hipblasIsamax(handle, length, (float *)d_array, 1, &indx)); 476 } else { 477 CeedCallHipblas(ceed, hipblasIdamax(handle, length, (double *)d_array, 1, &indx)); 478 } 479 CeedScalar normNoAbs; 480 CeedCallHip(ceed, hipMemcpy(&normNoAbs, impl->d_array + indx - 1, sizeof(CeedScalar), hipMemcpyDeviceToHost)); 481 *norm = fabs(normNoAbs); 482 break; 483 } 484 } 485 CeedCallBackend(CeedVectorRestoreArrayRead(vec, &d_array)); 486 487 return CEED_ERROR_SUCCESS; 488 } 489 490 //------------------------------------------------------------------------------ 491 // Take reciprocal of a vector on host 492 //------------------------------------------------------------------------------ 493 static int CeedHostReciprocal_Hip(CeedScalar *h_array, CeedInt length) { 494 for (int i = 0; i < length; i++) { 495 if (fabs(h_array[i]) > CEED_EPSILON) h_array[i] = 1. / h_array[i]; 496 } 497 return CEED_ERROR_SUCCESS; 498 } 499 500 //------------------------------------------------------------------------------ 501 // Take reciprocal of a vector on device (impl in .cu file) 502 //------------------------------------------------------------------------------ 503 int CeedDeviceReciprocal_Hip(CeedScalar *d_array, CeedInt length); 504 505 //------------------------------------------------------------------------------ 506 // Take reciprocal of a vector 507 //------------------------------------------------------------------------------ 508 static int CeedVectorReciprocal_Hip(CeedVector vec) { 509 Ceed ceed; 510 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 511 CeedVector_Hip *impl; 512 CeedCallBackend(CeedVectorGetData(vec, &impl)); 513 CeedSize length; 514 CeedCallBackend(CeedVectorGetLength(vec, &length)); 515 516 // Set value for synced device/host array 517 if (impl->d_array) CeedCallBackend(CeedDeviceReciprocal_Hip(impl->d_array, length)); 518 if (impl->h_array) CeedCallBackend(CeedHostReciprocal_Hip(impl->h_array, length)); 519 520 return CEED_ERROR_SUCCESS; 521 } 522 523 //------------------------------------------------------------------------------ 524 // Compute x = alpha x on the host 525 //------------------------------------------------------------------------------ 526 static int CeedHostScale_Hip(CeedScalar *x_array, CeedScalar alpha, CeedInt length) { 527 for (int i = 0; i < length; i++) x_array[i] *= alpha; 528 return CEED_ERROR_SUCCESS; 529 } 530 531 //------------------------------------------------------------------------------ 532 // Compute x = alpha x on device (impl in .cu file) 533 //------------------------------------------------------------------------------ 534 int CeedDeviceScale_Hip(CeedScalar *x_array, CeedScalar alpha, CeedInt length); 535 536 //------------------------------------------------------------------------------ 537 // Compute x = alpha x 538 //------------------------------------------------------------------------------ 539 static int CeedVectorScale_Hip(CeedVector x, CeedScalar alpha) { 540 Ceed ceed; 541 CeedCallBackend(CeedVectorGetCeed(x, &ceed)); 542 CeedVector_Hip *x_impl; 543 CeedCallBackend(CeedVectorGetData(x, &x_impl)); 544 CeedSize length; 545 CeedCallBackend(CeedVectorGetLength(x, &length)); 546 547 // Set value for synced device/host array 548 if (x_impl->d_array) CeedCallBackend(CeedDeviceScale_Hip(x_impl->d_array, alpha, length)); 549 if (x_impl->h_array) CeedCallBackend(CeedHostScale_Hip(x_impl->h_array, alpha, length)); 550 551 return CEED_ERROR_SUCCESS; 552 } 553 554 //------------------------------------------------------------------------------ 555 // Compute y = alpha x + y on the host 556 //------------------------------------------------------------------------------ 557 static int CeedHostAXPY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar *x_array, CeedInt length) { 558 for (int i = 0; i < length; i++) y_array[i] += alpha * x_array[i]; 559 return CEED_ERROR_SUCCESS; 560 } 561 562 //------------------------------------------------------------------------------ 563 // Compute y = alpha x + y on device (impl in .cu file) 564 //------------------------------------------------------------------------------ 565 int CeedDeviceAXPY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar *x_array, CeedInt length); 566 567 //------------------------------------------------------------------------------ 568 // Compute y = alpha x + y 569 //------------------------------------------------------------------------------ 570 static int CeedVectorAXPY_Hip(CeedVector y, CeedScalar alpha, CeedVector x) { 571 Ceed ceed; 572 CeedCallBackend(CeedVectorGetCeed(y, &ceed)); 573 CeedVector_Hip *y_impl, *x_impl; 574 CeedCallBackend(CeedVectorGetData(y, &y_impl)); 575 CeedCallBackend(CeedVectorGetData(x, &x_impl)); 576 CeedSize length; 577 CeedCallBackend(CeedVectorGetLength(y, &length)); 578 579 // Set value for synced device/host array 580 if (y_impl->d_array) { 581 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_DEVICE)); 582 CeedCallBackend(CeedDeviceAXPY_Hip(y_impl->d_array, alpha, x_impl->d_array, length)); 583 } 584 if (y_impl->h_array) { 585 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_HOST)); 586 CeedCallBackend(CeedHostAXPY_Hip(y_impl->h_array, alpha, x_impl->h_array, length)); 587 } 588 589 return CEED_ERROR_SUCCESS; 590 } 591 //------------------------------------------------------------------------------ 592 // Compute y = alpha x + beta y on the host 593 //------------------------------------------------------------------------------ 594 static int CeedHostAXPBY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar beta, CeedScalar *x_array, CeedInt length) { 595 for (int i = 0; i < length; i++) y_array[i] += alpha * x_array[i] + beta * y_array[i]; 596 return CEED_ERROR_SUCCESS; 597 } 598 599 //------------------------------------------------------------------------------ 600 // Compute y = alpha x + beta y on device (impl in .cu file) 601 //------------------------------------------------------------------------------ 602 int CeedDeviceAXPBY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar beta, CeedScalar *x_array, CeedInt length); 603 604 //------------------------------------------------------------------------------ 605 // Compute y = alpha x + beta y 606 //------------------------------------------------------------------------------ 607 static int CeedVectorAXPBY_Hip(CeedVector y, CeedScalar alpha, CeedScalar beta, CeedVector x) { 608 Ceed ceed; 609 CeedCallBackend(CeedVectorGetCeed(y, &ceed)); 610 CeedVector_Hip *y_impl, *x_impl; 611 CeedCallBackend(CeedVectorGetData(y, &y_impl)); 612 CeedCallBackend(CeedVectorGetData(x, &x_impl)); 613 CeedSize length; 614 CeedCallBackend(CeedVectorGetLength(y, &length)); 615 616 // Set value for synced device/host array 617 if (y_impl->d_array) { 618 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_DEVICE)); 619 CeedCallBackend(CeedDeviceAXPBY_Hip(y_impl->d_array, alpha, beta, x_impl->d_array, length)); 620 } 621 if (y_impl->h_array) { 622 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_HOST)); 623 CeedCallBackend(CeedHostAXPBY_Hip(y_impl->h_array, alpha, beta, x_impl->h_array, length)); 624 } 625 626 return CEED_ERROR_SUCCESS; 627 } 628 629 //------------------------------------------------------------------------------ 630 // Compute the pointwise multiplication w = x .* y on the host 631 //------------------------------------------------------------------------------ 632 static int CeedHostPointwiseMult_Hip(CeedScalar *w_array, CeedScalar *x_array, CeedScalar *y_array, CeedInt length) { 633 for (int i = 0; i < length; i++) w_array[i] = x_array[i] * y_array[i]; 634 return CEED_ERROR_SUCCESS; 635 } 636 637 //------------------------------------------------------------------------------ 638 // Compute the pointwise multiplication w = x .* y on device (impl in .cu file) 639 //------------------------------------------------------------------------------ 640 int CeedDevicePointwiseMult_Hip(CeedScalar *w_array, CeedScalar *x_array, CeedScalar *y_array, CeedInt length); 641 642 //------------------------------------------------------------------------------ 643 // Compute the pointwise multiplication w = x .* y 644 //------------------------------------------------------------------------------ 645 static int CeedVectorPointwiseMult_Hip(CeedVector w, CeedVector x, CeedVector y) { 646 Ceed ceed; 647 CeedCallBackend(CeedVectorGetCeed(w, &ceed)); 648 CeedVector_Hip *w_impl, *x_impl, *y_impl; 649 CeedCallBackend(CeedVectorGetData(w, &w_impl)); 650 CeedCallBackend(CeedVectorGetData(x, &x_impl)); 651 CeedCallBackend(CeedVectorGetData(y, &y_impl)); 652 CeedSize length; 653 CeedCallBackend(CeedVectorGetLength(w, &length)); 654 655 // Set value for synced device/host array 656 if (!w_impl->d_array && !w_impl->h_array) { 657 CeedCallBackend(CeedVectorSetValue(w, 0.0)); 658 } 659 if (w_impl->d_array) { 660 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_DEVICE)); 661 CeedCallBackend(CeedVectorSyncArray(y, CEED_MEM_DEVICE)); 662 CeedCallBackend(CeedDevicePointwiseMult_Hip(w_impl->d_array, x_impl->d_array, y_impl->d_array, length)); 663 } 664 if (w_impl->h_array) { 665 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_HOST)); 666 CeedCallBackend(CeedVectorSyncArray(y, CEED_MEM_HOST)); 667 CeedCallBackend(CeedHostPointwiseMult_Hip(w_impl->h_array, x_impl->h_array, y_impl->h_array, length)); 668 } 669 670 return CEED_ERROR_SUCCESS; 671 } 672 673 //------------------------------------------------------------------------------ 674 // Destroy the vector 675 //------------------------------------------------------------------------------ 676 static int CeedVectorDestroy_Hip(const CeedVector vec) { 677 Ceed ceed; 678 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 679 CeedVector_Hip *impl; 680 CeedCallBackend(CeedVectorGetData(vec, &impl)); 681 682 CeedCallHip(ceed, hipFree(impl->d_array_owned)); 683 CeedCallBackend(CeedFree(&impl->h_array_owned)); 684 CeedCallBackend(CeedFree(&impl)); 685 686 return CEED_ERROR_SUCCESS; 687 } 688 689 //------------------------------------------------------------------------------ 690 // Create a vector of the specified length (does not allocate memory) 691 //------------------------------------------------------------------------------ 692 int CeedVectorCreate_Hip(CeedSize n, CeedVector vec) { 693 CeedVector_Hip *impl; 694 Ceed ceed; 695 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 696 697 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "HasValidArray", CeedVectorHasValidArray_Hip)); 698 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "HasBorrowedArrayOfType", CeedVectorHasBorrowedArrayOfType_Hip)); 699 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "SetArray", CeedVectorSetArray_Hip)); 700 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "TakeArray", CeedVectorTakeArray_Hip)); 701 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "SetValue", (int (*)())CeedVectorSetValue_Hip)); 702 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "SyncArray", CeedVectorSyncArray_Hip)); 703 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "GetArray", CeedVectorGetArray_Hip)); 704 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "GetArrayRead", CeedVectorGetArrayRead_Hip)); 705 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "GetArrayWrite", CeedVectorGetArrayWrite_Hip)); 706 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Norm", CeedVectorNorm_Hip)); 707 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Reciprocal", CeedVectorReciprocal_Hip)); 708 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Scale", (int (*)())CeedVectorScale_Hip)); 709 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "AXPY", (int (*)())CeedVectorAXPY_Hip)); 710 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "AXPBY", (int (*)())CeedVectorAXPBY_Hip)); 711 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "PointwiseMult", CeedVectorPointwiseMult_Hip)); 712 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Destroy", CeedVectorDestroy_Hip)); 713 714 CeedCallBackend(CeedCalloc(1, &impl)); 715 CeedCallBackend(CeedVectorSetData(vec, impl)); 716 717 return CEED_ERROR_SUCCESS; 718 } 719 720 //------------------------------------------------------------------------------ 721