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, CeedSize length, CeedScalar val) { 283 for (CeedSize 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, CeedSize 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(CeedGetHipblasHandle_Hip(ceed, &handle)); 451 452 // Is the vector too long to handle with int32? If so, we will divide 453 // it up into "int32-sized" subsections and make repeated BLAS calls. 454 CeedSize num_calls = length / INT_MAX; 455 if (length % INT_MAX > 0) num_calls += 1; 456 457 // Compute norm 458 const CeedScalar *d_array; 459 CeedCallBackend(CeedVectorGetArrayRead(vec, CEED_MEM_DEVICE, &d_array)); 460 switch (type) { 461 case CEED_NORM_1: { 462 *norm = 0.0; 463 if (CEED_SCALAR_TYPE == CEED_SCALAR_FP32) { 464 float sub_norm = 0.0; 465 float *d_array_start; 466 for (CeedInt i = 0; i < num_calls; i++) { 467 d_array_start = (float *)d_array + (CeedSize)(i)*INT_MAX; 468 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 469 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 470 CeedCallHipblas(ceed, hipblasSasum(handle, (CeedInt)sub_length, (float *)d_array_start, 1, &sub_norm)); 471 *norm += sub_norm; 472 } 473 } else { 474 double sub_norm = 0.0; 475 double *d_array_start; 476 for (CeedInt i = 0; i < num_calls; i++) { 477 d_array_start = (double *)d_array + (CeedSize)(i)*INT_MAX; 478 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 479 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 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 for (CeedInt i = 0; i < num_calls; i++) { 491 d_array_start = (float *)d_array + (CeedSize)(i)*INT_MAX; 492 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 493 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 494 CeedCallHipblas(ceed, hipblasSnrm2(handle, (CeedInt)sub_length, (float *)d_array_start, 1, &sub_norm)); 495 norm_sum += sub_norm * sub_norm; 496 } 497 *norm = sqrt(norm_sum); 498 } else { 499 double sub_norm = 0.0, norm_sum = 0.0; 500 double *d_array_start; 501 for (CeedInt i = 0; i < num_calls; i++) { 502 d_array_start = (double *)d_array + (CeedSize)(i)*INT_MAX; 503 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 504 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 505 CeedCallHipblas(ceed, hipblasDnrm2(handle, (CeedInt)sub_length, (double *)d_array_start, 1, &sub_norm)); 506 norm_sum += sub_norm * sub_norm; 507 } 508 *norm = sqrt(norm_sum); 509 } 510 break; 511 } 512 case CEED_NORM_MAX: { 513 CeedInt indx; 514 if (CEED_SCALAR_TYPE == CEED_SCALAR_FP32) { 515 float sub_max = 0.0, current_max = 0.0; 516 float *d_array_start; 517 for (CeedInt i = 0; i < num_calls; i++) { 518 d_array_start = (float *)d_array + (CeedSize)(i)*INT_MAX; 519 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 520 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 521 CeedCallHipblas(ceed, hipblasIsamax(handle, (CeedInt)sub_length, (float *)d_array_start, 1, &indx)); 522 CeedCallHip(ceed, hipMemcpy(&sub_max, d_array_start + indx - 1, sizeof(CeedScalar), hipMemcpyDeviceToHost)); 523 if (fabs(sub_max) > current_max) current_max = fabs(sub_max); 524 } 525 *norm = current_max; 526 } else { 527 double sub_max = 0.0, current_max = 0.0; 528 double *d_array_start; 529 for (CeedInt i = 0; i < num_calls; i++) { 530 d_array_start = (double *)d_array + (CeedSize)(i)*INT_MAX; 531 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 532 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 533 CeedCallHipblas(ceed, hipblasIdamax(handle, (CeedInt)sub_length, (double *)d_array_start, 1, &indx)); 534 CeedCallHip(ceed, hipMemcpy(&sub_max, d_array_start + indx - 1, sizeof(CeedScalar), hipMemcpyDeviceToHost)); 535 if (fabs(sub_max) > current_max) current_max = fabs(sub_max); 536 } 537 *norm = current_max; 538 } 539 break; 540 } 541 } 542 CeedCallBackend(CeedVectorRestoreArrayRead(vec, &d_array)); 543 544 return CEED_ERROR_SUCCESS; 545 } 546 547 //------------------------------------------------------------------------------ 548 // Take reciprocal of a vector on host 549 //------------------------------------------------------------------------------ 550 static int CeedHostReciprocal_Hip(CeedScalar *h_array, CeedSize length) { 551 for (CeedSize i = 0; i < length; i++) { 552 if (fabs(h_array[i]) > CEED_EPSILON) h_array[i] = 1. / h_array[i]; 553 } 554 return CEED_ERROR_SUCCESS; 555 } 556 557 //------------------------------------------------------------------------------ 558 // Take reciprocal of a vector on device (impl in .cu file) 559 //------------------------------------------------------------------------------ 560 int CeedDeviceReciprocal_Hip(CeedScalar *d_array, CeedSize length); 561 562 //------------------------------------------------------------------------------ 563 // Take reciprocal of a vector 564 //------------------------------------------------------------------------------ 565 static int CeedVectorReciprocal_Hip(CeedVector vec) { 566 Ceed ceed; 567 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 568 CeedVector_Hip *impl; 569 CeedCallBackend(CeedVectorGetData(vec, &impl)); 570 CeedSize length; 571 CeedCallBackend(CeedVectorGetLength(vec, &length)); 572 573 // Set value for synced device/host array 574 if (impl->d_array) CeedCallBackend(CeedDeviceReciprocal_Hip(impl->d_array, length)); 575 if (impl->h_array) CeedCallBackend(CeedHostReciprocal_Hip(impl->h_array, length)); 576 577 return CEED_ERROR_SUCCESS; 578 } 579 580 //------------------------------------------------------------------------------ 581 // Compute x = alpha x on the host 582 //------------------------------------------------------------------------------ 583 static int CeedHostScale_Hip(CeedScalar *x_array, CeedScalar alpha, CeedSize length) { 584 for (CeedSize i = 0; i < length; i++) x_array[i] *= alpha; 585 return CEED_ERROR_SUCCESS; 586 } 587 588 //------------------------------------------------------------------------------ 589 // Compute x = alpha x on device (impl in .cu file) 590 //------------------------------------------------------------------------------ 591 int CeedDeviceScale_Hip(CeedScalar *x_array, CeedScalar alpha, CeedSize length); 592 593 //------------------------------------------------------------------------------ 594 // Compute x = alpha x 595 //------------------------------------------------------------------------------ 596 static int CeedVectorScale_Hip(CeedVector x, CeedScalar alpha) { 597 Ceed ceed; 598 CeedCallBackend(CeedVectorGetCeed(x, &ceed)); 599 CeedVector_Hip *x_impl; 600 CeedCallBackend(CeedVectorGetData(x, &x_impl)); 601 CeedSize length; 602 CeedCallBackend(CeedVectorGetLength(x, &length)); 603 604 // Set value for synced device/host array 605 if (x_impl->d_array) CeedCallBackend(CeedDeviceScale_Hip(x_impl->d_array, alpha, length)); 606 if (x_impl->h_array) CeedCallBackend(CeedHostScale_Hip(x_impl->h_array, alpha, length)); 607 608 return CEED_ERROR_SUCCESS; 609 } 610 611 //------------------------------------------------------------------------------ 612 // Compute y = alpha x + y on the host 613 //------------------------------------------------------------------------------ 614 static int CeedHostAXPY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar *x_array, CeedSize length) { 615 for (CeedSize i = 0; i < length; i++) y_array[i] += alpha * x_array[i]; 616 return CEED_ERROR_SUCCESS; 617 } 618 619 //------------------------------------------------------------------------------ 620 // Compute y = alpha x + y on device (impl in .cu file) 621 //------------------------------------------------------------------------------ 622 int CeedDeviceAXPY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar *x_array, CeedSize length); 623 624 //------------------------------------------------------------------------------ 625 // Compute y = alpha x + y 626 //------------------------------------------------------------------------------ 627 static int CeedVectorAXPY_Hip(CeedVector y, CeedScalar alpha, CeedVector x) { 628 Ceed ceed; 629 CeedCallBackend(CeedVectorGetCeed(y, &ceed)); 630 CeedVector_Hip *y_impl, *x_impl; 631 CeedCallBackend(CeedVectorGetData(y, &y_impl)); 632 CeedCallBackend(CeedVectorGetData(x, &x_impl)); 633 CeedSize length; 634 CeedCallBackend(CeedVectorGetLength(y, &length)); 635 636 // Set value for synced device/host array 637 if (y_impl->d_array) { 638 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_DEVICE)); 639 CeedCallBackend(CeedDeviceAXPY_Hip(y_impl->d_array, alpha, x_impl->d_array, length)); 640 } 641 if (y_impl->h_array) { 642 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_HOST)); 643 CeedCallBackend(CeedHostAXPY_Hip(y_impl->h_array, alpha, x_impl->h_array, length)); 644 } 645 646 return CEED_ERROR_SUCCESS; 647 } 648 649 //------------------------------------------------------------------------------ 650 // Compute y = alpha x + beta y on the host 651 //------------------------------------------------------------------------------ 652 static int CeedHostAXPBY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar beta, CeedScalar *x_array, CeedSize length) { 653 for (CeedSize i = 0; i < length; i++) y_array[i] += alpha * x_array[i] + beta * y_array[i]; 654 return CEED_ERROR_SUCCESS; 655 } 656 657 //------------------------------------------------------------------------------ 658 // Compute y = alpha x + beta y on device (impl in .cu file) 659 //------------------------------------------------------------------------------ 660 int CeedDeviceAXPBY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar beta, CeedScalar *x_array, CeedSize length); 661 662 //------------------------------------------------------------------------------ 663 // Compute y = alpha x + beta y 664 //------------------------------------------------------------------------------ 665 static int CeedVectorAXPBY_Hip(CeedVector y, CeedScalar alpha, CeedScalar beta, CeedVector x) { 666 Ceed ceed; 667 CeedCallBackend(CeedVectorGetCeed(y, &ceed)); 668 CeedVector_Hip *y_impl, *x_impl; 669 CeedCallBackend(CeedVectorGetData(y, &y_impl)); 670 CeedCallBackend(CeedVectorGetData(x, &x_impl)); 671 CeedSize length; 672 CeedCallBackend(CeedVectorGetLength(y, &length)); 673 674 // Set value for synced device/host array 675 if (y_impl->d_array) { 676 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_DEVICE)); 677 CeedCallBackend(CeedDeviceAXPBY_Hip(y_impl->d_array, alpha, beta, x_impl->d_array, length)); 678 } 679 if (y_impl->h_array) { 680 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_HOST)); 681 CeedCallBackend(CeedHostAXPBY_Hip(y_impl->h_array, alpha, beta, x_impl->h_array, length)); 682 } 683 684 return CEED_ERROR_SUCCESS; 685 } 686 687 //------------------------------------------------------------------------------ 688 // Compute the pointwise multiplication w = x .* y on the host 689 //------------------------------------------------------------------------------ 690 static int CeedHostPointwiseMult_Hip(CeedScalar *w_array, CeedScalar *x_array, CeedScalar *y_array, CeedSize length) { 691 for (CeedSize i = 0; i < length; i++) w_array[i] = x_array[i] * y_array[i]; 692 return CEED_ERROR_SUCCESS; 693 } 694 695 //------------------------------------------------------------------------------ 696 // Compute the pointwise multiplication w = x .* y on device (impl in .cu file) 697 //------------------------------------------------------------------------------ 698 int CeedDevicePointwiseMult_Hip(CeedScalar *w_array, CeedScalar *x_array, CeedScalar *y_array, CeedSize length); 699 700 //------------------------------------------------------------------------------ 701 // Compute the pointwise multiplication w = x .* y 702 //------------------------------------------------------------------------------ 703 static int CeedVectorPointwiseMult_Hip(CeedVector w, CeedVector x, CeedVector y) { 704 Ceed ceed; 705 CeedCallBackend(CeedVectorGetCeed(w, &ceed)); 706 CeedVector_Hip *w_impl, *x_impl, *y_impl; 707 CeedCallBackend(CeedVectorGetData(w, &w_impl)); 708 CeedCallBackend(CeedVectorGetData(x, &x_impl)); 709 CeedCallBackend(CeedVectorGetData(y, &y_impl)); 710 CeedSize length; 711 CeedCallBackend(CeedVectorGetLength(w, &length)); 712 713 // Set value for synced device/host array 714 if (!w_impl->d_array && !w_impl->h_array) { 715 CeedCallBackend(CeedVectorSetValue(w, 0.0)); 716 } 717 if (w_impl->d_array) { 718 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_DEVICE)); 719 CeedCallBackend(CeedVectorSyncArray(y, CEED_MEM_DEVICE)); 720 CeedCallBackend(CeedDevicePointwiseMult_Hip(w_impl->d_array, x_impl->d_array, y_impl->d_array, length)); 721 } 722 if (w_impl->h_array) { 723 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_HOST)); 724 CeedCallBackend(CeedVectorSyncArray(y, CEED_MEM_HOST)); 725 CeedCallBackend(CeedHostPointwiseMult_Hip(w_impl->h_array, x_impl->h_array, y_impl->h_array, length)); 726 } 727 728 return CEED_ERROR_SUCCESS; 729 } 730 731 //------------------------------------------------------------------------------ 732 // Destroy the vector 733 //------------------------------------------------------------------------------ 734 static int CeedVectorDestroy_Hip(const CeedVector vec) { 735 Ceed ceed; 736 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 737 CeedVector_Hip *impl; 738 CeedCallBackend(CeedVectorGetData(vec, &impl)); 739 740 CeedCallHip(ceed, hipFree(impl->d_array_owned)); 741 CeedCallBackend(CeedFree(&impl->h_array_owned)); 742 CeedCallBackend(CeedFree(&impl)); 743 744 return CEED_ERROR_SUCCESS; 745 } 746 747 //------------------------------------------------------------------------------ 748 // Create a vector of the specified length (does not allocate memory) 749 //------------------------------------------------------------------------------ 750 int CeedVectorCreate_Hip(CeedSize n, CeedVector vec) { 751 CeedVector_Hip *impl; 752 Ceed ceed; 753 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 754 755 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "HasValidArray", CeedVectorHasValidArray_Hip)); 756 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "HasBorrowedArrayOfType", CeedVectorHasBorrowedArrayOfType_Hip)); 757 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "SetArray", CeedVectorSetArray_Hip)); 758 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "TakeArray", CeedVectorTakeArray_Hip)); 759 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "SetValue", (int (*)())CeedVectorSetValue_Hip)); 760 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "SyncArray", CeedVectorSyncArray_Hip)); 761 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "GetArray", CeedVectorGetArray_Hip)); 762 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "GetArrayRead", CeedVectorGetArrayRead_Hip)); 763 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "GetArrayWrite", CeedVectorGetArrayWrite_Hip)); 764 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Norm", CeedVectorNorm_Hip)); 765 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Reciprocal", CeedVectorReciprocal_Hip)); 766 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Scale", (int (*)())CeedVectorScale_Hip)); 767 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "AXPY", (int (*)())CeedVectorAXPY_Hip)); 768 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "AXPBY", (int (*)())CeedVectorAXPBY_Hip)); 769 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "PointwiseMult", CeedVectorPointwiseMult_Hip)); 770 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Destroy", CeedVectorDestroy_Hip)); 771 772 CeedCallBackend(CeedCalloc(1, &impl)); 773 CeedCallBackend(CeedVectorSetData(vec, impl)); 774 775 return CEED_ERROR_SUCCESS; 776 } 777 778 //------------------------------------------------------------------------------ 779