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 bool has_valid_array = false; 24 25 CeedCallBackend(CeedVectorGetData(vec, &impl)); 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 return CEED_ERROR_SUCCESS; 36 } 37 38 //------------------------------------------------------------------------------ 39 // Sync host to device 40 //------------------------------------------------------------------------------ 41 static inline int CeedVectorSyncH2D_Hip(const CeedVector vec) { 42 Ceed ceed; 43 CeedSize length; 44 size_t bytes; 45 CeedVector_Hip *impl; 46 47 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 48 CeedCallBackend(CeedVectorGetData(vec, &impl)); 49 50 CeedCheck(impl->h_array, ceed, CEED_ERROR_BACKEND, "No valid host data to sync to device"); 51 52 CeedCallBackend(CeedVectorGetLength(vec, &length)); 53 bytes = length * sizeof(CeedScalar); 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 CeedCallHip(ceed, hipMemcpy(impl->d_array, impl->h_array, bytes, hipMemcpyHostToDevice)); 63 return CEED_ERROR_SUCCESS; 64 } 65 66 //------------------------------------------------------------------------------ 67 // Sync device to host 68 //------------------------------------------------------------------------------ 69 static inline int CeedVectorSyncD2H_Hip(const CeedVector vec) { 70 Ceed ceed; 71 CeedSize length; 72 size_t bytes; 73 CeedVector_Hip *impl; 74 75 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 76 CeedCallBackend(CeedVectorGetData(vec, &impl)); 77 78 CeedCheck(impl->d_array, ceed, CEED_ERROR_BACKEND, "No valid device data to sync to host"); 79 80 if (impl->h_array_borrowed) { 81 impl->h_array = impl->h_array_borrowed; 82 } else if (impl->h_array_owned) { 83 impl->h_array = impl->h_array_owned; 84 } else { 85 CeedSize length; 86 87 CeedCallBackend(CeedVectorGetLength(vec, &length)); 88 CeedCallBackend(CeedCalloc(length, &impl->h_array_owned)); 89 impl->h_array = impl->h_array_owned; 90 } 91 92 CeedCallBackend(CeedVectorGetLength(vec, &length)); 93 bytes = length * sizeof(CeedScalar); 94 CeedCallHip(ceed, hipMemcpy(impl->h_array, impl->d_array, bytes, hipMemcpyDeviceToHost)); 95 return CEED_ERROR_SUCCESS; 96 } 97 98 //------------------------------------------------------------------------------ 99 // Sync arrays 100 //------------------------------------------------------------------------------ 101 static int CeedVectorSyncArray_Hip(const CeedVector vec, CeedMemType mem_type) { 102 bool need_sync = false; 103 104 // Check whether device/host sync is needed 105 CeedCallBackend(CeedVectorNeedSync_Hip(vec, mem_type, &need_sync)); 106 if (!need_sync) return CEED_ERROR_SUCCESS; 107 108 switch (mem_type) { 109 case CEED_MEM_HOST: 110 return CeedVectorSyncD2H_Hip(vec); 111 case CEED_MEM_DEVICE: 112 return CeedVectorSyncH2D_Hip(vec); 113 } 114 return CEED_ERROR_UNSUPPORTED; 115 } 116 117 //------------------------------------------------------------------------------ 118 // Set all pointers as invalid 119 //------------------------------------------------------------------------------ 120 static inline int CeedVectorSetAllInvalid_Hip(const CeedVector vec) { 121 CeedVector_Hip *impl; 122 123 CeedCallBackend(CeedVectorGetData(vec, &impl)); 124 impl->h_array = NULL; 125 impl->d_array = NULL; 126 return CEED_ERROR_SUCCESS; 127 } 128 129 //------------------------------------------------------------------------------ 130 // Check if CeedVector has any valid pointer 131 //------------------------------------------------------------------------------ 132 static inline int CeedVectorHasValidArray_Hip(const CeedVector vec, bool *has_valid_array) { 133 CeedVector_Hip *impl; 134 135 CeedCallBackend(CeedVectorGetData(vec, &impl)); 136 *has_valid_array = impl->h_array || impl->d_array; 137 return CEED_ERROR_SUCCESS; 138 } 139 140 //------------------------------------------------------------------------------ 141 // Check if has array of given type 142 //------------------------------------------------------------------------------ 143 static inline int CeedVectorHasArrayOfType_Hip(const CeedVector vec, CeedMemType mem_type, bool *has_array_of_type) { 144 CeedVector_Hip *impl; 145 146 CeedCallBackend(CeedVectorGetData(vec, &impl)); 147 switch (mem_type) { 148 case CEED_MEM_HOST: 149 *has_array_of_type = impl->h_array_borrowed || impl->h_array_owned; 150 break; 151 case CEED_MEM_DEVICE: 152 *has_array_of_type = impl->d_array_borrowed || impl->d_array_owned; 153 break; 154 } 155 return CEED_ERROR_SUCCESS; 156 } 157 158 //------------------------------------------------------------------------------ 159 // Check if has borrowed array of given type 160 //------------------------------------------------------------------------------ 161 static inline int CeedVectorHasBorrowedArrayOfType_Hip(const CeedVector vec, CeedMemType mem_type, bool *has_borrowed_array_of_type) { 162 CeedVector_Hip *impl; 163 164 CeedCallBackend(CeedVectorGetData(vec, &impl)); 165 switch (mem_type) { 166 case CEED_MEM_HOST: 167 *has_borrowed_array_of_type = impl->h_array_borrowed; 168 break; 169 case CEED_MEM_DEVICE: 170 *has_borrowed_array_of_type = impl->d_array_borrowed; 171 break; 172 } 173 return CEED_ERROR_SUCCESS; 174 } 175 176 //------------------------------------------------------------------------------ 177 // Set array from host 178 //------------------------------------------------------------------------------ 179 static int CeedVectorSetArrayHost_Hip(const CeedVector vec, const CeedCopyMode copy_mode, CeedScalar *array) { 180 CeedVector_Hip *impl; 181 182 CeedCallBackend(CeedVectorGetData(vec, &impl)); 183 switch (copy_mode) { 184 case CEED_COPY_VALUES: { 185 CeedSize length; 186 187 if (!impl->h_array_owned) { 188 CeedCallBackend(CeedVectorGetLength(vec, &length)); 189 CeedCallBackend(CeedMalloc(length, &impl->h_array_owned)); 190 } 191 impl->h_array_borrowed = NULL; 192 impl->h_array = impl->h_array_owned; 193 if (array) { 194 CeedSize length; 195 size_t bytes; 196 197 CeedCallBackend(CeedVectorGetLength(vec, &length)); 198 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 return CEED_ERROR_SUCCESS; 215 } 216 217 //------------------------------------------------------------------------------ 218 // Set array from device 219 //------------------------------------------------------------------------------ 220 static int CeedVectorSetArrayDevice_Hip(const CeedVector vec, const CeedCopyMode copy_mode, CeedScalar *array) { 221 Ceed ceed; 222 CeedVector_Hip *impl; 223 224 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 225 CeedCallBackend(CeedVectorGetData(vec, &impl)); 226 switch (copy_mode) { 227 case CEED_COPY_VALUES: { 228 CeedSize length; 229 size_t bytes; 230 231 CeedCallBackend(CeedVectorGetLength(vec, &length)); 232 bytes = length * sizeof(CeedScalar); 233 if (!impl->d_array_owned) { 234 CeedCallHip(ceed, hipMalloc((void **)&impl->d_array_owned, bytes)); 235 } 236 impl->d_array_borrowed = NULL; 237 impl->d_array = impl->d_array_owned; 238 if (array) CeedCallHip(ceed, hipMemcpy(impl->d_array, array, bytes, hipMemcpyDeviceToDevice)); 239 } break; 240 case CEED_OWN_POINTER: 241 CeedCallHip(ceed, hipFree(impl->d_array_owned)); 242 impl->d_array_owned = array; 243 impl->d_array_borrowed = NULL; 244 impl->d_array = array; 245 break; 246 case CEED_USE_POINTER: 247 CeedCallHip(ceed, hipFree(impl->d_array_owned)); 248 impl->d_array_owned = NULL; 249 impl->d_array_borrowed = array; 250 impl->d_array = array; 251 break; 252 } 253 return CEED_ERROR_SUCCESS; 254 } 255 256 //------------------------------------------------------------------------------ 257 // Set the array used by a vector, 258 // freeing any previously allocated array if applicable 259 //------------------------------------------------------------------------------ 260 static int CeedVectorSetArray_Hip(const CeedVector vec, const CeedMemType mem_type, const CeedCopyMode copy_mode, CeedScalar *array) { 261 Ceed ceed; 262 CeedVector_Hip *impl; 263 264 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 265 CeedCallBackend(CeedVectorGetData(vec, &impl)); 266 CeedCallBackend(CeedVectorSetAllInvalid_Hip(vec)); 267 switch (mem_type) { 268 case CEED_MEM_HOST: 269 return CeedVectorSetArrayHost_Hip(vec, copy_mode, array); 270 case CEED_MEM_DEVICE: 271 return CeedVectorSetArrayDevice_Hip(vec, copy_mode, array); 272 } 273 return CEED_ERROR_UNSUPPORTED; 274 } 275 276 //------------------------------------------------------------------------------ 277 // Set host array to value 278 //------------------------------------------------------------------------------ 279 static int CeedHostSetValue_Hip(CeedScalar *h_array, CeedSize length, CeedScalar val) { 280 for (CeedSize i = 0; i < length; i++) h_array[i] = val; 281 return CEED_ERROR_SUCCESS; 282 } 283 284 //------------------------------------------------------------------------------ 285 // Set device array to value (impl in .hip file) 286 //------------------------------------------------------------------------------ 287 int CeedDeviceSetValue_Hip(CeedScalar *d_array, CeedSize length, CeedScalar val); 288 289 //------------------------------------------------------------------------------ 290 // Set a vector to a value 291 //------------------------------------------------------------------------------ 292 static int CeedVectorSetValue_Hip(CeedVector vec, CeedScalar val) { 293 Ceed ceed; 294 CeedSize length; 295 CeedVector_Hip *impl; 296 297 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 298 CeedCallBackend(CeedVectorGetData(vec, &impl)); 299 CeedCallBackend(CeedVectorGetLength(vec, &length)); 300 // Set value for synced device/host array 301 if (!impl->d_array && !impl->h_array) { 302 if (impl->d_array_borrowed) { 303 impl->d_array = impl->d_array_borrowed; 304 } else if (impl->h_array_borrowed) { 305 impl->h_array = impl->h_array_borrowed; 306 } else if (impl->d_array_owned) { 307 impl->d_array = impl->d_array_owned; 308 } else if (impl->h_array_owned) { 309 impl->h_array = impl->h_array_owned; 310 } else { 311 CeedCallBackend(CeedVectorSetArray(vec, CEED_MEM_DEVICE, CEED_COPY_VALUES, NULL)); 312 } 313 } 314 if (impl->d_array) { 315 CeedCallBackend(CeedDeviceSetValue_Hip(impl->d_array, length, val)); 316 impl->h_array = NULL; 317 } 318 if (impl->h_array) { 319 CeedCallBackend(CeedHostSetValue_Hip(impl->h_array, length, val)); 320 impl->d_array = NULL; 321 } 322 return CEED_ERROR_SUCCESS; 323 } 324 325 //------------------------------------------------------------------------------ 326 // Vector Take Array 327 //------------------------------------------------------------------------------ 328 static int CeedVectorTakeArray_Hip(CeedVector vec, CeedMemType mem_type, CeedScalar **array) { 329 Ceed ceed; 330 CeedVector_Hip *impl; 331 332 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 333 CeedCallBackend(CeedVectorGetData(vec, &impl)); 334 335 // Sync array to requested mem_type 336 CeedCallBackend(CeedVectorSyncArray(vec, mem_type)); 337 338 // Update pointer 339 switch (mem_type) { 340 case CEED_MEM_HOST: 341 (*array) = impl->h_array_borrowed; 342 impl->h_array_borrowed = NULL; 343 impl->h_array = NULL; 344 break; 345 case CEED_MEM_DEVICE: 346 (*array) = impl->d_array_borrowed; 347 impl->d_array_borrowed = NULL; 348 impl->d_array = NULL; 349 break; 350 } 351 return CEED_ERROR_SUCCESS; 352 } 353 354 //------------------------------------------------------------------------------ 355 // Core logic for array syncronization for GetArray. 356 // If a different memory type is most up to date, this will perform a copy 357 //------------------------------------------------------------------------------ 358 static int CeedVectorGetArrayCore_Hip(const CeedVector vec, const CeedMemType mem_type, CeedScalar **array) { 359 Ceed ceed; 360 CeedVector_Hip *impl; 361 362 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 363 CeedCallBackend(CeedVectorGetData(vec, &impl)); 364 365 // Sync array to requested mem_type 366 CeedCallBackend(CeedVectorSyncArray(vec, mem_type)); 367 368 // Update pointer 369 switch (mem_type) { 370 case CEED_MEM_HOST: 371 *array = impl->h_array; 372 break; 373 case CEED_MEM_DEVICE: 374 *array = impl->d_array; 375 break; 376 } 377 return CEED_ERROR_SUCCESS; 378 } 379 380 //------------------------------------------------------------------------------ 381 // Get read-only access to a vector via the specified mem_type 382 //------------------------------------------------------------------------------ 383 static int CeedVectorGetArrayRead_Hip(const CeedVector vec, const CeedMemType mem_type, const CeedScalar **array) { 384 return CeedVectorGetArrayCore_Hip(vec, mem_type, (CeedScalar **)array); 385 } 386 387 //------------------------------------------------------------------------------ 388 // Get read/write access to a vector via the specified mem_type 389 //------------------------------------------------------------------------------ 390 static int CeedVectorGetArray_Hip(const CeedVector vec, const CeedMemType mem_type, CeedScalar **array) { 391 CeedVector_Hip *impl; 392 393 CeedCallBackend(CeedVectorGetData(vec, &impl)); 394 CeedCallBackend(CeedVectorGetArrayCore_Hip(vec, mem_type, array)); 395 CeedCallBackend(CeedVectorSetAllInvalid_Hip(vec)); 396 switch (mem_type) { 397 case CEED_MEM_HOST: 398 impl->h_array = *array; 399 break; 400 case CEED_MEM_DEVICE: 401 impl->d_array = *array; 402 break; 403 } 404 return CEED_ERROR_SUCCESS; 405 } 406 407 //------------------------------------------------------------------------------ 408 // Get write access to a vector via the specified mem_type 409 //------------------------------------------------------------------------------ 410 static int CeedVectorGetArrayWrite_Hip(const CeedVector vec, const CeedMemType mem_type, CeedScalar **array) { 411 bool has_array_of_type = true; 412 CeedVector_Hip *impl; 413 414 CeedCallBackend(CeedVectorGetData(vec, &impl)); 415 CeedCallBackend(CeedVectorHasArrayOfType_Hip(vec, mem_type, &has_array_of_type)); 416 if (!has_array_of_type) { 417 // Allocate if array is not yet allocated 418 CeedCallBackend(CeedVectorSetArray(vec, mem_type, CEED_COPY_VALUES, NULL)); 419 } else { 420 // Select dirty array 421 switch (mem_type) { 422 case CEED_MEM_HOST: 423 if (impl->h_array_borrowed) impl->h_array = impl->h_array_borrowed; 424 else impl->h_array = impl->h_array_owned; 425 break; 426 case CEED_MEM_DEVICE: 427 if (impl->d_array_borrowed) impl->d_array = impl->d_array_borrowed; 428 else impl->d_array = impl->d_array_owned; 429 } 430 } 431 return CeedVectorGetArray_Hip(vec, mem_type, array); 432 } 433 434 //------------------------------------------------------------------------------ 435 // Get the norm of a CeedVector 436 //------------------------------------------------------------------------------ 437 static int CeedVectorNorm_Hip(CeedVector vec, CeedNormType type, CeedScalar *norm) { 438 Ceed ceed; 439 CeedSize length, num_calls; 440 const CeedScalar *d_array; 441 CeedVector_Hip *impl; 442 hipblasHandle_t handle; 443 444 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 445 CeedCallBackend(CeedVectorGetData(vec, &impl)); 446 CeedCallBackend(CeedVectorGetLength(vec, &length)); 447 CeedCallBackend(CeedGetHipblasHandle_Hip(ceed, &handle)); 448 449 // Is the vector too long to handle with int32? If so, we will divide 450 // it up into "int32-sized" subsections and make repeated BLAS calls. 451 num_calls = length / INT_MAX; 452 if (length % INT_MAX > 0) num_calls += 1; 453 454 // Compute norm 455 CeedCallBackend(CeedVectorGetArrayRead(vec, CEED_MEM_DEVICE, &d_array)); 456 switch (type) { 457 case CEED_NORM_1: { 458 *norm = 0.0; 459 if (CEED_SCALAR_TYPE == CEED_SCALAR_FP32) { 460 float sub_norm = 0.0; 461 float *d_array_start; 462 463 for (CeedInt i = 0; i < num_calls; i++) { 464 d_array_start = (float *)d_array + (CeedSize)(i)*INT_MAX; 465 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 466 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 467 468 CeedCallHipblas(ceed, hipblasSasum(handle, (CeedInt)sub_length, (float *)d_array_start, 1, &sub_norm)); 469 *norm += sub_norm; 470 } 471 } else { 472 double sub_norm = 0.0; 473 double *d_array_start; 474 475 for (CeedInt i = 0; i < num_calls; i++) { 476 d_array_start = (double *)d_array + (CeedSize)(i)*INT_MAX; 477 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 478 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 479 480 CeedCallHipblas(ceed, hipblasDasum(handle, (CeedInt)sub_length, (double *)d_array_start, 1, &sub_norm)); 481 *norm += sub_norm; 482 } 483 } 484 break; 485 } 486 case CEED_NORM_2: { 487 if (CEED_SCALAR_TYPE == CEED_SCALAR_FP32) { 488 float sub_norm = 0.0, norm_sum = 0.0; 489 float *d_array_start; 490 491 for (CeedInt i = 0; i < num_calls; i++) { 492 d_array_start = (float *)d_array + (CeedSize)(i)*INT_MAX; 493 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 494 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 495 496 CeedCallHipblas(ceed, hipblasSnrm2(handle, (CeedInt)sub_length, (float *)d_array_start, 1, &sub_norm)); 497 norm_sum += sub_norm * sub_norm; 498 } 499 *norm = sqrt(norm_sum); 500 } else { 501 double sub_norm = 0.0, norm_sum = 0.0; 502 double *d_array_start; 503 504 for (CeedInt i = 0; i < num_calls; i++) { 505 d_array_start = (double *)d_array + (CeedSize)(i)*INT_MAX; 506 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 507 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 508 509 CeedCallHipblas(ceed, hipblasDnrm2(handle, (CeedInt)sub_length, (double *)d_array_start, 1, &sub_norm)); 510 norm_sum += sub_norm * sub_norm; 511 } 512 *norm = sqrt(norm_sum); 513 } 514 break; 515 } 516 case CEED_NORM_MAX: { 517 CeedInt index; 518 519 if (CEED_SCALAR_TYPE == CEED_SCALAR_FP32) { 520 float sub_max = 0.0, current_max = 0.0; 521 float *d_array_start; 522 for (CeedInt i = 0; i < num_calls; i++) { 523 d_array_start = (float *)d_array + (CeedSize)(i)*INT_MAX; 524 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 525 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 526 527 CeedCallHipblas(ceed, hipblasIsamax(handle, (CeedInt)sub_length, (float *)d_array_start, 1, &index)); 528 CeedCallHip(ceed, hipMemcpy(&sub_max, d_array_start + index - 1, sizeof(CeedScalar), hipMemcpyDeviceToHost)); 529 if (fabs(sub_max) > current_max) current_max = fabs(sub_max); 530 } 531 *norm = current_max; 532 } else { 533 double sub_max = 0.0, current_max = 0.0; 534 double *d_array_start; 535 536 for (CeedInt i = 0; i < num_calls; i++) { 537 d_array_start = (double *)d_array + (CeedSize)(i)*INT_MAX; 538 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 539 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 540 541 CeedCallHipblas(ceed, hipblasIdamax(handle, (CeedInt)sub_length, (double *)d_array_start, 1, &index)); 542 CeedCallHip(ceed, hipMemcpy(&sub_max, d_array_start + index - 1, sizeof(CeedScalar), hipMemcpyDeviceToHost)); 543 if (fabs(sub_max) > current_max) current_max = fabs(sub_max); 544 } 545 *norm = current_max; 546 } 547 break; 548 } 549 } 550 CeedCallBackend(CeedVectorRestoreArrayRead(vec, &d_array)); 551 return CEED_ERROR_SUCCESS; 552 } 553 554 //------------------------------------------------------------------------------ 555 // Take reciprocal of a vector on host 556 //------------------------------------------------------------------------------ 557 static int CeedHostReciprocal_Hip(CeedScalar *h_array, CeedSize length) { 558 for (CeedSize i = 0; i < length; i++) { 559 if (fabs(h_array[i]) > CEED_EPSILON) h_array[i] = 1. / h_array[i]; 560 } 561 return CEED_ERROR_SUCCESS; 562 } 563 564 //------------------------------------------------------------------------------ 565 // Take reciprocal of a vector on device (impl in .cu file) 566 //------------------------------------------------------------------------------ 567 int CeedDeviceReciprocal_Hip(CeedScalar *d_array, CeedSize length); 568 569 //------------------------------------------------------------------------------ 570 // Take reciprocal of a vector 571 //------------------------------------------------------------------------------ 572 static int CeedVectorReciprocal_Hip(CeedVector vec) { 573 Ceed ceed; 574 CeedSize length; 575 CeedVector_Hip *impl; 576 577 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 578 CeedCallBackend(CeedVectorGetData(vec, &impl)); 579 CeedCallBackend(CeedVectorGetLength(vec, &length)); 580 // Set value for synced device/host array 581 if (impl->d_array) CeedCallBackend(CeedDeviceReciprocal_Hip(impl->d_array, length)); 582 if (impl->h_array) CeedCallBackend(CeedHostReciprocal_Hip(impl->h_array, length)); 583 return CEED_ERROR_SUCCESS; 584 } 585 586 //------------------------------------------------------------------------------ 587 // Compute x = alpha x on the host 588 //------------------------------------------------------------------------------ 589 static int CeedHostScale_Hip(CeedScalar *x_array, CeedScalar alpha, CeedSize length) { 590 for (CeedSize i = 0; i < length; i++) x_array[i] *= alpha; 591 return CEED_ERROR_SUCCESS; 592 } 593 594 //------------------------------------------------------------------------------ 595 // Compute x = alpha x on device (impl in .cu file) 596 //------------------------------------------------------------------------------ 597 int CeedDeviceScale_Hip(CeedScalar *x_array, CeedScalar alpha, CeedSize length); 598 599 //------------------------------------------------------------------------------ 600 // Compute x = alpha x 601 //------------------------------------------------------------------------------ 602 static int CeedVectorScale_Hip(CeedVector x, CeedScalar alpha) { 603 Ceed ceed; 604 CeedSize length; 605 CeedVector_Hip *x_impl; 606 607 CeedCallBackend(CeedVectorGetCeed(x, &ceed)); 608 CeedCallBackend(CeedVectorGetData(x, &x_impl)); 609 CeedCallBackend(CeedVectorGetLength(x, &length)); 610 // Set value for synced device/host array 611 if (x_impl->d_array) CeedCallBackend(CeedDeviceScale_Hip(x_impl->d_array, alpha, length)); 612 if (x_impl->h_array) CeedCallBackend(CeedHostScale_Hip(x_impl->h_array, alpha, length)); 613 return CEED_ERROR_SUCCESS; 614 } 615 616 //------------------------------------------------------------------------------ 617 // Compute y = alpha x + y on the host 618 //------------------------------------------------------------------------------ 619 static int CeedHostAXPY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar *x_array, CeedSize length) { 620 for (CeedSize i = 0; i < length; i++) y_array[i] += alpha * x_array[i]; 621 return CEED_ERROR_SUCCESS; 622 } 623 624 //------------------------------------------------------------------------------ 625 // Compute y = alpha x + y on device (impl in .cu file) 626 //------------------------------------------------------------------------------ 627 int CeedDeviceAXPY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar *x_array, CeedSize length); 628 629 //------------------------------------------------------------------------------ 630 // Compute y = alpha x + y 631 //------------------------------------------------------------------------------ 632 static int CeedVectorAXPY_Hip(CeedVector y, CeedScalar alpha, CeedVector x) { 633 Ceed ceed; 634 CeedSize length; 635 CeedVector_Hip *y_impl, *x_impl; 636 637 CeedCallBackend(CeedVectorGetCeed(y, &ceed)); 638 CeedCallBackend(CeedVectorGetData(y, &y_impl)); 639 CeedCallBackend(CeedVectorGetData(x, &x_impl)); 640 CeedCallBackend(CeedVectorGetLength(y, &length)); 641 // Set value for synced device/host array 642 if (y_impl->d_array) { 643 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_DEVICE)); 644 CeedCallBackend(CeedDeviceAXPY_Hip(y_impl->d_array, alpha, x_impl->d_array, length)); 645 } 646 if (y_impl->h_array) { 647 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_HOST)); 648 CeedCallBackend(CeedHostAXPY_Hip(y_impl->h_array, alpha, x_impl->h_array, length)); 649 } 650 return CEED_ERROR_SUCCESS; 651 } 652 653 //------------------------------------------------------------------------------ 654 // Compute y = alpha x + beta y on the host 655 //------------------------------------------------------------------------------ 656 static int CeedHostAXPBY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar beta, CeedScalar *x_array, CeedSize length) { 657 for (CeedSize i = 0; i < length; i++) y_array[i] += alpha * x_array[i] + beta * y_array[i]; 658 return CEED_ERROR_SUCCESS; 659 } 660 661 //------------------------------------------------------------------------------ 662 // Compute y = alpha x + beta y on device (impl in .cu file) 663 //------------------------------------------------------------------------------ 664 int CeedDeviceAXPBY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar beta, CeedScalar *x_array, CeedSize length); 665 666 //------------------------------------------------------------------------------ 667 // Compute y = alpha x + beta y 668 //------------------------------------------------------------------------------ 669 static int CeedVectorAXPBY_Hip(CeedVector y, CeedScalar alpha, CeedScalar beta, CeedVector x) { 670 Ceed ceed; 671 CeedSize length; 672 CeedVector_Hip *y_impl, *x_impl; 673 674 CeedCallBackend(CeedVectorGetCeed(y, &ceed)); 675 CeedCallBackend(CeedVectorGetData(y, &y_impl)); 676 CeedCallBackend(CeedVectorGetData(x, &x_impl)); 677 CeedCallBackend(CeedVectorGetLength(y, &length)); 678 // Set value for synced device/host array 679 if (y_impl->d_array) { 680 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_DEVICE)); 681 CeedCallBackend(CeedDeviceAXPBY_Hip(y_impl->d_array, alpha, beta, x_impl->d_array, length)); 682 } 683 if (y_impl->h_array) { 684 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_HOST)); 685 CeedCallBackend(CeedHostAXPBY_Hip(y_impl->h_array, alpha, beta, x_impl->h_array, length)); 686 } 687 return CEED_ERROR_SUCCESS; 688 } 689 690 //------------------------------------------------------------------------------ 691 // Compute the pointwise multiplication w = x .* y on the host 692 //------------------------------------------------------------------------------ 693 static int CeedHostPointwiseMult_Hip(CeedScalar *w_array, CeedScalar *x_array, CeedScalar *y_array, CeedSize length) { 694 for (CeedSize i = 0; i < length; i++) w_array[i] = x_array[i] * y_array[i]; 695 return CEED_ERROR_SUCCESS; 696 } 697 698 //------------------------------------------------------------------------------ 699 // Compute the pointwise multiplication w = x .* y on device (impl in .cu file) 700 //------------------------------------------------------------------------------ 701 int CeedDevicePointwiseMult_Hip(CeedScalar *w_array, CeedScalar *x_array, CeedScalar *y_array, CeedSize length); 702 703 //------------------------------------------------------------------------------ 704 // Compute the pointwise multiplication w = x .* y 705 //------------------------------------------------------------------------------ 706 static int CeedVectorPointwiseMult_Hip(CeedVector w, CeedVector x, CeedVector y) { 707 Ceed ceed; 708 CeedSize length; 709 CeedVector_Hip *w_impl, *x_impl, *y_impl; 710 711 CeedCallBackend(CeedVectorGetCeed(w, &ceed)); 712 CeedCallBackend(CeedVectorGetData(w, &w_impl)); 713 CeedCallBackend(CeedVectorGetData(x, &x_impl)); 714 CeedCallBackend(CeedVectorGetData(y, &y_impl)); 715 CeedCallBackend(CeedVectorGetLength(w, &length)); 716 717 // Set value for synced device/host array 718 if (!w_impl->d_array && !w_impl->h_array) { 719 CeedCallBackend(CeedVectorSetValue(w, 0.0)); 720 } 721 if (w_impl->d_array) { 722 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_DEVICE)); 723 CeedCallBackend(CeedVectorSyncArray(y, CEED_MEM_DEVICE)); 724 CeedCallBackend(CeedDevicePointwiseMult_Hip(w_impl->d_array, x_impl->d_array, y_impl->d_array, length)); 725 } 726 if (w_impl->h_array) { 727 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_HOST)); 728 CeedCallBackend(CeedVectorSyncArray(y, CEED_MEM_HOST)); 729 CeedCallBackend(CeedHostPointwiseMult_Hip(w_impl->h_array, x_impl->h_array, y_impl->h_array, length)); 730 } 731 return CEED_ERROR_SUCCESS; 732 } 733 734 //------------------------------------------------------------------------------ 735 // Destroy the vector 736 //------------------------------------------------------------------------------ 737 static int CeedVectorDestroy_Hip(const CeedVector vec) { 738 Ceed ceed; 739 CeedVector_Hip *impl; 740 741 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 742 CeedCallBackend(CeedVectorGetData(vec, &impl)); 743 CeedCallHip(ceed, hipFree(impl->d_array_owned)); 744 CeedCallBackend(CeedFree(&impl->h_array_owned)); 745 CeedCallBackend(CeedFree(&impl)); 746 return CEED_ERROR_SUCCESS; 747 } 748 749 //------------------------------------------------------------------------------ 750 // Create a vector of the specified length (does not allocate memory) 751 //------------------------------------------------------------------------------ 752 int CeedVectorCreate_Hip(CeedSize n, CeedVector vec) { 753 CeedVector_Hip *impl; 754 Ceed ceed; 755 756 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 757 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "HasValidArray", CeedVectorHasValidArray_Hip)); 758 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "HasBorrowedArrayOfType", CeedVectorHasBorrowedArrayOfType_Hip)); 759 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "SetArray", CeedVectorSetArray_Hip)); 760 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "TakeArray", CeedVectorTakeArray_Hip)); 761 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "SetValue", (int (*)())CeedVectorSetValue_Hip)); 762 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "SyncArray", CeedVectorSyncArray_Hip)); 763 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "GetArray", CeedVectorGetArray_Hip)); 764 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "GetArrayRead", CeedVectorGetArrayRead_Hip)); 765 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "GetArrayWrite", CeedVectorGetArrayWrite_Hip)); 766 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Norm", CeedVectorNorm_Hip)); 767 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Reciprocal", CeedVectorReciprocal_Hip)); 768 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Scale", (int (*)())CeedVectorScale_Hip)); 769 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "AXPY", (int (*)())CeedVectorAXPY_Hip)); 770 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "AXPBY", (int (*)())CeedVectorAXPBY_Hip)); 771 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "PointwiseMult", CeedVectorPointwiseMult_Hip)); 772 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Destroy", CeedVectorDestroy_Hip)); 773 CeedCallBackend(CeedCalloc(1, &impl)); 774 CeedCallBackend(CeedVectorSetData(vec, impl)); 775 return CEED_ERROR_SUCCESS; 776 } 777 778 //------------------------------------------------------------------------------ 779