1 // Copyright (c) 2017-2024, Lawrence Livermore National Security, LLC and other CEED contributors. 2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3 // 4 // SPDX-License-Identifier: BSD-2-Clause 5 // 6 // This file is part of CEED: http://github.com/ceed 7 8 #include <ceed.h> 9 #include <ceed/backend.h> 10 #include <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 CeedSize length; 43 size_t bytes; 44 CeedVector_Hip *impl; 45 46 CeedCallBackend(CeedVectorGetData(vec, &impl)); 47 48 CeedCheck(impl->h_array, CeedVectorReturnCeed(vec), CEED_ERROR_BACKEND, "No valid host data to sync to device"); 49 50 CeedCallBackend(CeedVectorGetLength(vec, &length)); 51 bytes = length * sizeof(CeedScalar); 52 if (impl->d_array_borrowed) { 53 impl->d_array = impl->d_array_borrowed; 54 } else if (impl->d_array_owned) { 55 impl->d_array = impl->d_array_owned; 56 } else { 57 CeedCallHip(CeedVectorReturnCeed(vec), hipMalloc((void **)&impl->d_array_owned, bytes)); 58 impl->d_array = impl->d_array_owned; 59 } 60 CeedCallHip(CeedVectorReturnCeed(vec), hipMemcpy(impl->d_array, impl->h_array, bytes, hipMemcpyHostToDevice)); 61 return CEED_ERROR_SUCCESS; 62 } 63 64 //------------------------------------------------------------------------------ 65 // Sync device to host 66 //------------------------------------------------------------------------------ 67 static inline int CeedVectorSyncD2H_Hip(const CeedVector vec) { 68 CeedSize length; 69 size_t bytes; 70 CeedVector_Hip *impl; 71 72 CeedCallBackend(CeedVectorGetData(vec, &impl)); 73 74 CeedCheck(impl->d_array, CeedVectorReturnCeed(vec), CEED_ERROR_BACKEND, "No valid device data to sync to host"); 75 76 if (impl->h_array_borrowed) { 77 impl->h_array = impl->h_array_borrowed; 78 } else if (impl->h_array_owned) { 79 impl->h_array = impl->h_array_owned; 80 } else { 81 CeedSize length; 82 83 CeedCallBackend(CeedVectorGetLength(vec, &length)); 84 CeedCallBackend(CeedCalloc(length, &impl->h_array_owned)); 85 impl->h_array = impl->h_array_owned; 86 } 87 88 CeedCallBackend(CeedVectorGetLength(vec, &length)); 89 bytes = length * sizeof(CeedScalar); 90 CeedCallHip(CeedVectorReturnCeed(vec), hipMemcpy(impl->h_array, impl->d_array, bytes, hipMemcpyDeviceToHost)); 91 return CEED_ERROR_SUCCESS; 92 } 93 94 //------------------------------------------------------------------------------ 95 // Sync arrays 96 //------------------------------------------------------------------------------ 97 static int CeedVectorSyncArray_Hip(const CeedVector vec, CeedMemType mem_type) { 98 bool need_sync = false; 99 100 // Check whether device/host sync is needed 101 CeedCallBackend(CeedVectorNeedSync_Hip(vec, mem_type, &need_sync)); 102 if (!need_sync) return CEED_ERROR_SUCCESS; 103 104 switch (mem_type) { 105 case CEED_MEM_HOST: 106 return CeedVectorSyncD2H_Hip(vec); 107 case CEED_MEM_DEVICE: 108 return CeedVectorSyncH2D_Hip(vec); 109 } 110 return CEED_ERROR_UNSUPPORTED; 111 } 112 113 //------------------------------------------------------------------------------ 114 // Set all pointers as invalid 115 //------------------------------------------------------------------------------ 116 static inline int CeedVectorSetAllInvalid_Hip(const CeedVector vec) { 117 CeedVector_Hip *impl; 118 119 CeedCallBackend(CeedVectorGetData(vec, &impl)); 120 impl->h_array = NULL; 121 impl->d_array = NULL; 122 return CEED_ERROR_SUCCESS; 123 } 124 125 //------------------------------------------------------------------------------ 126 // Check if CeedVector has any valid pointer 127 //------------------------------------------------------------------------------ 128 static inline int CeedVectorHasValidArray_Hip(const CeedVector vec, bool *has_valid_array) { 129 CeedVector_Hip *impl; 130 131 CeedCallBackend(CeedVectorGetData(vec, &impl)); 132 *has_valid_array = impl->h_array || impl->d_array; 133 return CEED_ERROR_SUCCESS; 134 } 135 136 //------------------------------------------------------------------------------ 137 // Check if has array of given type 138 //------------------------------------------------------------------------------ 139 static inline int CeedVectorHasArrayOfType_Hip(const CeedVector vec, CeedMemType mem_type, bool *has_array_of_type) { 140 CeedVector_Hip *impl; 141 142 CeedCallBackend(CeedVectorGetData(vec, &impl)); 143 switch (mem_type) { 144 case CEED_MEM_HOST: 145 *has_array_of_type = impl->h_array_borrowed || impl->h_array_owned; 146 break; 147 case CEED_MEM_DEVICE: 148 *has_array_of_type = impl->d_array_borrowed || impl->d_array_owned; 149 break; 150 } 151 return CEED_ERROR_SUCCESS; 152 } 153 154 //------------------------------------------------------------------------------ 155 // Check if has borrowed array of given type 156 //------------------------------------------------------------------------------ 157 static inline int CeedVectorHasBorrowedArrayOfType_Hip(const CeedVector vec, CeedMemType mem_type, bool *has_borrowed_array_of_type) { 158 CeedVector_Hip *impl; 159 160 CeedCallBackend(CeedVectorGetData(vec, &impl)); 161 switch (mem_type) { 162 case CEED_MEM_HOST: 163 *has_borrowed_array_of_type = impl->h_array_borrowed; 164 break; 165 case CEED_MEM_DEVICE: 166 *has_borrowed_array_of_type = impl->d_array_borrowed; 167 break; 168 } 169 return CEED_ERROR_SUCCESS; 170 } 171 172 //------------------------------------------------------------------------------ 173 // Set array from host 174 //------------------------------------------------------------------------------ 175 static int CeedVectorSetArrayHost_Hip(const CeedVector vec, const CeedCopyMode copy_mode, CeedScalar *array) { 176 CeedSize length; 177 CeedVector_Hip *impl; 178 179 CeedCallBackend(CeedVectorGetData(vec, &impl)); 180 CeedCallBackend(CeedVectorGetLength(vec, &length)); 181 182 CeedCallBackend(CeedSetHostCeedScalarArray(array, copy_mode, length, (const CeedScalar **)&impl->h_array_owned, 183 (const CeedScalar **)&impl->h_array_borrowed, (const CeedScalar **)&impl->h_array)); 184 return CEED_ERROR_SUCCESS; 185 } 186 187 //------------------------------------------------------------------------------ 188 // Set array from device 189 //------------------------------------------------------------------------------ 190 static int CeedVectorSetArrayDevice_Hip(const CeedVector vec, const CeedCopyMode copy_mode, CeedScalar *array) { 191 CeedSize length; 192 Ceed ceed; 193 CeedVector_Hip *impl; 194 195 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 196 CeedCallBackend(CeedVectorGetData(vec, &impl)); 197 CeedCallBackend(CeedVectorGetLength(vec, &length)); 198 199 CeedCallBackend(CeedSetDeviceCeedScalarArray_Hip(ceed, array, copy_mode, length, (const CeedScalar **)&impl->d_array_owned, 200 (const CeedScalar **)&impl->d_array_borrowed, (const CeedScalar **)&impl->d_array)); 201 CeedCallBackend(CeedDestroy(&ceed)); 202 return CEED_ERROR_SUCCESS; 203 } 204 205 //------------------------------------------------------------------------------ 206 // Set the array used by a vector, 207 // freeing any previously allocated array if applicable 208 //------------------------------------------------------------------------------ 209 static int CeedVectorSetArray_Hip(const CeedVector vec, const CeedMemType mem_type, const CeedCopyMode copy_mode, CeedScalar *array) { 210 CeedVector_Hip *impl; 211 212 CeedCallBackend(CeedVectorGetData(vec, &impl)); 213 CeedCallBackend(CeedVectorSetAllInvalid_Hip(vec)); 214 switch (mem_type) { 215 case CEED_MEM_HOST: 216 return CeedVectorSetArrayHost_Hip(vec, copy_mode, array); 217 case CEED_MEM_DEVICE: 218 return CeedVectorSetArrayDevice_Hip(vec, copy_mode, array); 219 } 220 return CEED_ERROR_UNSUPPORTED; 221 } 222 223 //------------------------------------------------------------------------------ 224 // Copy host array to value strided 225 //------------------------------------------------------------------------------ 226 static int CeedHostCopyStrided_Hip(CeedScalar *h_array, CeedSize start, CeedSize step, CeedSize length, CeedScalar *h_copy_array) { 227 for (CeedSize i = start; i < length; i += step) h_copy_array[i] = h_array[i]; 228 return CEED_ERROR_SUCCESS; 229 } 230 231 //------------------------------------------------------------------------------ 232 // Copy device array to value strided (impl in .hip.cpp file) 233 //------------------------------------------------------------------------------ 234 int CeedDeviceCopyStrided_Hip(CeedScalar *d_array, CeedSize start, CeedSize step, CeedSize length, CeedScalar *d_copy_array); 235 236 //------------------------------------------------------------------------------ 237 // Copy a vector to a value strided 238 //------------------------------------------------------------------------------ 239 static int CeedVectorCopyStrided_Hip(CeedVector vec, CeedSize start, CeedSize step, CeedVector vec_copy) { 240 CeedSize length; 241 CeedVector_Hip *impl; 242 243 CeedCallBackend(CeedVectorGetData(vec, &impl)); 244 { 245 CeedSize length_vec, length_copy; 246 247 CeedCallBackend(CeedVectorGetLength(vec, &length_vec)); 248 CeedCallBackend(CeedVectorGetLength(vec_copy, &length_copy)); 249 length = length_vec < length_copy ? length_vec : length_copy; 250 } 251 // Set value for synced device/host array 252 if (impl->d_array) { 253 CeedScalar *copy_array; 254 255 CeedCallBackend(CeedVectorGetArray(vec_copy, CEED_MEM_DEVICE, ©_array)); 256 #if (HIP_VERSION >= 60000000) 257 hipblasHandle_t handle; 258 Ceed ceed; 259 260 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 261 CeedCallBackend(CeedGetHipblasHandle_Hip(ceed, &handle)); 262 #if defined(CEED_SCALAR_IS_FP32) 263 CeedCallHipblas(ceed, hipblasScopy_64(handle, (int64_t)length, impl->d_array + start, (int64_t)step, copy_array + start, (int64_t)step)); 264 #else /* CEED_SCALAR */ 265 CeedCallHipblas(ceed, hipblasDcopy_64(handle, (int64_t)length, impl->d_array + start, (int64_t)step, copy_array + start, (int64_t)step)); 266 #endif /* CEED_SCALAR */ 267 #else /* HIP_VERSION */ 268 CeedCallBackend(CeedDeviceCopyStrided_Hip(impl->d_array, start, step, length, copy_array)); 269 #endif /* HIP_VERSION */ 270 CeedCallBackend(CeedVectorRestoreArray(vec_copy, ©_array)); 271 impl->h_array = NULL; 272 CeedCallBackend(CeedDestroy(&ceed)); 273 } else if (impl->h_array) { 274 CeedScalar *copy_array; 275 276 CeedCallBackend(CeedVectorGetArray(vec_copy, CEED_MEM_HOST, ©_array)); 277 CeedCallBackend(CeedHostCopyStrided_Hip(impl->h_array, start, step, length, copy_array)); 278 CeedCallBackend(CeedVectorRestoreArray(vec_copy, ©_array)); 279 impl->d_array = NULL; 280 } else { 281 return CeedError(CeedVectorReturnCeed(vec), CEED_ERROR_BACKEND, "CeedVector must have valid data set"); 282 } 283 return CEED_ERROR_SUCCESS; 284 } 285 286 //------------------------------------------------------------------------------ 287 // Set host array to value 288 //------------------------------------------------------------------------------ 289 static int CeedHostSetValue_Hip(CeedScalar *h_array, CeedSize length, CeedScalar val) { 290 for (CeedSize i = 0; i < length; i++) h_array[i] = val; 291 return CEED_ERROR_SUCCESS; 292 } 293 294 //------------------------------------------------------------------------------ 295 // Set device array to value (impl in .hip file) 296 //------------------------------------------------------------------------------ 297 int CeedDeviceSetValue_Hip(CeedScalar *d_array, CeedSize length, CeedScalar val); 298 299 //------------------------------------------------------------------------------ 300 // Set a vector to a value 301 //------------------------------------------------------------------------------ 302 static int CeedVectorSetValue_Hip(CeedVector vec, CeedScalar val) { 303 CeedSize length; 304 CeedVector_Hip *impl; 305 306 CeedCallBackend(CeedVectorGetData(vec, &impl)); 307 CeedCallBackend(CeedVectorGetLength(vec, &length)); 308 // Set value for synced device/host array 309 if (!impl->d_array && !impl->h_array) { 310 if (impl->d_array_borrowed) { 311 impl->d_array = impl->d_array_borrowed; 312 } else if (impl->h_array_borrowed) { 313 impl->h_array = impl->h_array_borrowed; 314 } else if (impl->d_array_owned) { 315 impl->d_array = impl->d_array_owned; 316 } else if (impl->h_array_owned) { 317 impl->h_array = impl->h_array_owned; 318 } else { 319 CeedCallBackend(CeedVectorSetArray(vec, CEED_MEM_DEVICE, CEED_COPY_VALUES, NULL)); 320 } 321 } 322 if (impl->d_array) { 323 if (val == 0) { 324 CeedCallHip(CeedVectorReturnCeed(vec), hipMemset(impl->d_array, 0, length * sizeof(CeedScalar))); 325 } else { 326 CeedCallBackend(CeedDeviceSetValue_Hip(impl->d_array, length, val)); 327 } 328 impl->h_array = NULL; 329 } else if (impl->h_array) { 330 CeedCallBackend(CeedHostSetValue_Hip(impl->h_array, length, val)); 331 impl->d_array = NULL; 332 } 333 return CEED_ERROR_SUCCESS; 334 } 335 336 //------------------------------------------------------------------------------ 337 // Set host array to value strided 338 //------------------------------------------------------------------------------ 339 static int CeedHostSetValueStrided_Hip(CeedScalar *h_array, CeedSize start, CeedSize step, CeedSize length, CeedScalar val) { 340 for (CeedSize i = start; i < length; i += step) h_array[i] = val; 341 return CEED_ERROR_SUCCESS; 342 } 343 344 //------------------------------------------------------------------------------ 345 // Set device array to value strided (impl in .hip.cpp file) 346 //------------------------------------------------------------------------------ 347 int CeedDeviceSetValueStrided_Hip(CeedScalar *d_array, CeedSize start, CeedSize step, CeedSize length, CeedScalar val); 348 349 //------------------------------------------------------------------------------ 350 // Set a vector to a value strided 351 //------------------------------------------------------------------------------ 352 static int CeedVectorSetValueStrided_Hip(CeedVector vec, CeedSize start, CeedSize step, CeedScalar val) { 353 CeedSize length; 354 CeedVector_Hip *impl; 355 356 CeedCallBackend(CeedVectorGetData(vec, &impl)); 357 CeedCallBackend(CeedVectorGetLength(vec, &length)); 358 // Set value for synced device/host array 359 if (impl->d_array) { 360 CeedCallBackend(CeedDeviceSetValueStrided_Hip(impl->d_array, start, step, length, val)); 361 impl->h_array = NULL; 362 } else if (impl->h_array) { 363 CeedCallBackend(CeedHostSetValueStrided_Hip(impl->h_array, start, step, length, val)); 364 impl->d_array = NULL; 365 } else { 366 return CeedError(CeedVectorReturnCeed(vec), CEED_ERROR_BACKEND, "CeedVector must have valid data set"); 367 } 368 return CEED_ERROR_SUCCESS; 369 } 370 371 //------------------------------------------------------------------------------ 372 // Vector Take Array 373 //------------------------------------------------------------------------------ 374 static int CeedVectorTakeArray_Hip(CeedVector vec, CeedMemType mem_type, CeedScalar **array) { 375 CeedVector_Hip *impl; 376 377 CeedCallBackend(CeedVectorGetData(vec, &impl)); 378 379 // Sync array to requested mem_type 380 CeedCallBackend(CeedVectorSyncArray(vec, mem_type)); 381 382 // Update pointer 383 switch (mem_type) { 384 case CEED_MEM_HOST: 385 (*array) = impl->h_array_borrowed; 386 impl->h_array_borrowed = NULL; 387 impl->h_array = NULL; 388 break; 389 case CEED_MEM_DEVICE: 390 (*array) = impl->d_array_borrowed; 391 impl->d_array_borrowed = NULL; 392 impl->d_array = NULL; 393 break; 394 } 395 return CEED_ERROR_SUCCESS; 396 } 397 398 //------------------------------------------------------------------------------ 399 // Core logic for array syncronization for GetArray. 400 // If a different memory type is most up to date, this will perform a copy 401 //------------------------------------------------------------------------------ 402 static int CeedVectorGetArrayCore_Hip(const CeedVector vec, const CeedMemType mem_type, CeedScalar **array) { 403 CeedVector_Hip *impl; 404 405 CeedCallBackend(CeedVectorGetData(vec, &impl)); 406 407 // Sync array to requested mem_type 408 CeedCallBackend(CeedVectorSyncArray(vec, mem_type)); 409 410 // Update pointer 411 switch (mem_type) { 412 case CEED_MEM_HOST: 413 *array = impl->h_array; 414 break; 415 case CEED_MEM_DEVICE: 416 *array = impl->d_array; 417 break; 418 } 419 return CEED_ERROR_SUCCESS; 420 } 421 422 //------------------------------------------------------------------------------ 423 // Get read-only access to a vector via the specified mem_type 424 //------------------------------------------------------------------------------ 425 static int CeedVectorGetArrayRead_Hip(const CeedVector vec, const CeedMemType mem_type, const CeedScalar **array) { 426 return CeedVectorGetArrayCore_Hip(vec, mem_type, (CeedScalar **)array); 427 } 428 429 //------------------------------------------------------------------------------ 430 // Get read/write access to a vector via the specified mem_type 431 //------------------------------------------------------------------------------ 432 static int CeedVectorGetArray_Hip(const CeedVector vec, const CeedMemType mem_type, CeedScalar **array) { 433 CeedVector_Hip *impl; 434 435 CeedCallBackend(CeedVectorGetData(vec, &impl)); 436 CeedCallBackend(CeedVectorGetArrayCore_Hip(vec, mem_type, array)); 437 CeedCallBackend(CeedVectorSetAllInvalid_Hip(vec)); 438 switch (mem_type) { 439 case CEED_MEM_HOST: 440 impl->h_array = *array; 441 break; 442 case CEED_MEM_DEVICE: 443 impl->d_array = *array; 444 break; 445 } 446 return CEED_ERROR_SUCCESS; 447 } 448 449 //------------------------------------------------------------------------------ 450 // Get write access to a vector via the specified mem_type 451 //------------------------------------------------------------------------------ 452 static int CeedVectorGetArrayWrite_Hip(const CeedVector vec, const CeedMemType mem_type, CeedScalar **array) { 453 bool has_array_of_type = true; 454 CeedVector_Hip *impl; 455 456 CeedCallBackend(CeedVectorGetData(vec, &impl)); 457 CeedCallBackend(CeedVectorHasArrayOfType_Hip(vec, mem_type, &has_array_of_type)); 458 if (!has_array_of_type) { 459 // Allocate if array is not yet allocated 460 CeedCallBackend(CeedVectorSetArray(vec, mem_type, CEED_COPY_VALUES, NULL)); 461 } else { 462 // Select dirty array 463 switch (mem_type) { 464 case CEED_MEM_HOST: 465 if (impl->h_array_borrowed) impl->h_array = impl->h_array_borrowed; 466 else impl->h_array = impl->h_array_owned; 467 break; 468 case CEED_MEM_DEVICE: 469 if (impl->d_array_borrowed) impl->d_array = impl->d_array_borrowed; 470 else impl->d_array = impl->d_array_owned; 471 } 472 } 473 return CeedVectorGetArray_Hip(vec, mem_type, array); 474 } 475 476 //------------------------------------------------------------------------------ 477 // Get the norm of a CeedVector 478 //------------------------------------------------------------------------------ 479 static int CeedVectorNorm_Hip(CeedVector vec, CeedNormType type, CeedScalar *norm) { 480 Ceed ceed; 481 CeedSize length; 482 #if (HIP_VERSION < 60000000) 483 CeedSize num_calls; 484 #endif /* HIP_VERSION */ 485 const CeedScalar *d_array; 486 CeedVector_Hip *impl; 487 hipblasHandle_t handle; 488 489 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 490 CeedCallBackend(CeedVectorGetData(vec, &impl)); 491 CeedCallBackend(CeedVectorGetLength(vec, &length)); 492 CeedCallBackend(CeedGetHipblasHandle_Hip(ceed, &handle)); 493 494 #if (HIP_VERSION < 60000000) 495 // With ROCm 6, we can use the 64-bit integer interface. Prior to that, 496 // we need to check if the vector is too long to handle with int32, 497 // and if so, divide it into subsections for repeated hipBLAS calls. 498 num_calls = length / INT_MAX; 499 if (length % INT_MAX > 0) num_calls += 1; 500 #endif /* HIP_VERSION */ 501 502 // Compute norm 503 CeedCallBackend(CeedVectorGetArrayRead(vec, CEED_MEM_DEVICE, &d_array)); 504 switch (type) { 505 case CEED_NORM_1: { 506 *norm = 0.0; 507 #if defined(CEED_SCALAR_IS_FP32) 508 #if (HIP_VERSION >= 60000000) // We have ROCm 6, and can use 64-bit integers 509 CeedCallHipblas(ceed, hipblasSasum_64(handle, (int64_t)length, (float *)d_array, 1, (float *)norm)); 510 #else /* HIP_VERSION */ 511 float sub_norm = 0.0; 512 float *d_array_start; 513 514 for (CeedInt i = 0; i < num_calls; i++) { 515 d_array_start = (float *)d_array + (CeedSize)(i)*INT_MAX; 516 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 517 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 518 519 CeedCallHipblas(ceed, cublasSasum(handle, (CeedInt)sub_length, (float *)d_array_start, 1, &sub_norm)); 520 *norm += sub_norm; 521 } 522 #endif /* HIP_VERSION */ 523 #else /* CEED_SCALAR */ 524 #if (HIP_VERSION >= 60000000) 525 CeedCallHipblas(ceed, hipblasDasum_64(handle, (int64_t)length, (double *)d_array, 1, (double *)norm)); 526 #else /* HIP_VERSION */ 527 double sub_norm = 0.0; 528 double *d_array_start; 529 530 for (CeedInt i = 0; i < num_calls; i++) { 531 d_array_start = (double *)d_array + (CeedSize)(i)*INT_MAX; 532 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 533 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 534 535 CeedCallHipblas(ceed, hipblasDasum(handle, (CeedInt)sub_length, (double *)d_array_start, 1, &sub_norm)); 536 *norm += sub_norm; 537 } 538 #endif /* HIP_VERSION */ 539 #endif /* CEED_SCALAR */ 540 break; 541 } 542 case CEED_NORM_2: { 543 #if defined(CEED_SCALAR_IS_FP32) 544 #if (HIP_VERSION >= 60000000) 545 CeedCallHipblas(ceed, hipblasSnrm2_64(handle, (int64_t)length, (float *)d_array, 1, (float *)norm)); 546 #else /* CUDA_VERSION */ 547 float sub_norm = 0.0, norm_sum = 0.0; 548 float *d_array_start; 549 550 for (CeedInt i = 0; i < num_calls; i++) { 551 d_array_start = (float *)d_array + (CeedSize)(i)*INT_MAX; 552 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 553 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 554 555 CeedCallHipblas(ceed, hipblasSnrm2(handle, (CeedInt)sub_length, (float *)d_array_start, 1, &sub_norm)); 556 norm_sum += sub_norm * sub_norm; 557 } 558 *norm = sqrt(norm_sum); 559 #endif /* HIP_VERSION */ 560 #else /* CEED_SCALAR */ 561 #if (HIP_VERSION >= 60000000) 562 CeedCallHipblas(ceed, hipblasDnrm2_64(handle, (int64_t)length, (double *)d_array, 1, (double *)norm)); 563 #else /* CUDA_VERSION */ 564 double sub_norm = 0.0, norm_sum = 0.0; 565 double *d_array_start; 566 567 for (CeedInt i = 0; i < num_calls; i++) { 568 d_array_start = (double *)d_array + (CeedSize)(i)*INT_MAX; 569 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 570 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 571 572 CeedCallHipblas(ceed, hipblasDnrm2(handle, (CeedInt)sub_length, (double *)d_array_start, 1, &sub_norm)); 573 norm_sum += sub_norm * sub_norm; 574 } 575 *norm = sqrt(norm_sum); 576 #endif /* HIP_VERSION */ 577 #endif /* CEED_SCALAR */ 578 break; 579 } 580 case CEED_NORM_MAX: { 581 #if defined(CEED_SCALAR_IS_FP32) 582 #if (HIP_VERSION >= 60000000) 583 int64_t index; 584 CeedScalar norm_no_abs; 585 586 CeedCallHipblas(ceed, hipblasIsamax_64(handle, (int64_t)length, (float *)d_array, 1, &index)); 587 CeedCallHip(ceed, hipMemcpy(&norm_no_abs, impl->d_array + index - 1, sizeof(CeedScalar), hipMemcpyDeviceToHost)); 588 *norm = fabs(norm_no_abs); 589 #else /* HIP_VERSION */ 590 CeedInt index; 591 float sub_max = 0.0, current_max = 0.0; 592 float *d_array_start; 593 594 for (CeedInt i = 0; i < num_calls; i++) { 595 d_array_start = (float *)d_array + (CeedSize)(i)*INT_MAX; 596 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 597 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 598 599 CeedCallHipblas(ceed, hipblasIsamax(handle, (CeedInt)sub_length, (float *)d_array_start, 1, &index)); 600 CeedCallHip(ceed, hipMemcpy(&sub_max, d_array_start + index - 1, sizeof(CeedScalar), hipMemcpyDeviceToHost)); 601 if (fabs(sub_max) > current_max) current_max = fabs(sub_max); 602 } 603 *norm = current_max; 604 #endif /* HIP_VERSION */ 605 #else /* CEED_SCALAR */ 606 #if (HIP_VERSION >= 60000000) 607 int64_t index; 608 CeedScalar norm_no_abs; 609 610 CeedCallHipblas(ceed, hipblasIdamax_64(handle, (int64_t)length, (double *)d_array, 1, &index)); 611 CeedCallHip(ceed, hipMemcpy(&norm_no_abs, impl->d_array + index - 1, sizeof(CeedScalar), hipMemcpyDeviceToHost)); 612 *norm = fabs(norm_no_abs); 613 #else /* HIP_VERSION */ 614 CeedInt index; 615 double sub_max = 0.0, current_max = 0.0; 616 double *d_array_start; 617 618 for (CeedInt i = 0; i < num_calls; i++) { 619 d_array_start = (double *)d_array + (CeedSize)(i)*INT_MAX; 620 CeedSize remaining_length = length - (CeedSize)(i)*INT_MAX; 621 CeedInt sub_length = (i == num_calls - 1) ? (CeedInt)(remaining_length) : INT_MAX; 622 623 CeedCallHipblas(ceed, hipblasIdamax(handle, (CeedInt)sub_length, (double *)d_array_start, 1, &index)); 624 CeedCallHip(ceed, hipMemcpy(&sub_max, d_array_start + index - 1, sizeof(CeedScalar), hipMemcpyDeviceToHost)); 625 if (fabs(sub_max) > current_max) current_max = fabs(sub_max); 626 } 627 *norm = current_max; 628 #endif /* HIP_VERSION */ 629 #endif /* CEED_SCALAR */ 630 break; 631 } 632 } 633 CeedCallBackend(CeedVectorRestoreArrayRead(vec, &d_array)); 634 CeedCallBackend(CeedDestroy(&ceed)); 635 return CEED_ERROR_SUCCESS; 636 } 637 638 //------------------------------------------------------------------------------ 639 // Take reciprocal of a vector on host 640 //------------------------------------------------------------------------------ 641 static int CeedHostReciprocal_Hip(CeedScalar *h_array, CeedSize length) { 642 for (CeedSize i = 0; i < length; i++) { 643 if (fabs(h_array[i]) > CEED_EPSILON) h_array[i] = 1. / h_array[i]; 644 } 645 return CEED_ERROR_SUCCESS; 646 } 647 648 //------------------------------------------------------------------------------ 649 // Take reciprocal of a vector on device (impl in .hip.cpp file) 650 //------------------------------------------------------------------------------ 651 int CeedDeviceReciprocal_Hip(CeedScalar *d_array, CeedSize length); 652 653 //------------------------------------------------------------------------------ 654 // Take reciprocal of a vector 655 //------------------------------------------------------------------------------ 656 static int CeedVectorReciprocal_Hip(CeedVector vec) { 657 CeedSize length; 658 CeedVector_Hip *impl; 659 660 CeedCallBackend(CeedVectorGetData(vec, &impl)); 661 CeedCallBackend(CeedVectorGetLength(vec, &length)); 662 // Set value for synced device/host array 663 if (impl->d_array) CeedCallBackend(CeedDeviceReciprocal_Hip(impl->d_array, length)); 664 if (impl->h_array) CeedCallBackend(CeedHostReciprocal_Hip(impl->h_array, length)); 665 return CEED_ERROR_SUCCESS; 666 } 667 668 //------------------------------------------------------------------------------ 669 // Compute x = alpha x on the host 670 //------------------------------------------------------------------------------ 671 static int CeedHostScale_Hip(CeedScalar *x_array, CeedScalar alpha, CeedSize length) { 672 for (CeedSize i = 0; i < length; i++) x_array[i] *= alpha; 673 return CEED_ERROR_SUCCESS; 674 } 675 676 //------------------------------------------------------------------------------ 677 // Compute x = alpha x on device (impl in .hip.cpp file) 678 //------------------------------------------------------------------------------ 679 int CeedDeviceScale_Hip(CeedScalar *x_array, CeedScalar alpha, CeedSize length); 680 681 //------------------------------------------------------------------------------ 682 // Compute x = alpha x 683 //------------------------------------------------------------------------------ 684 static int CeedVectorScale_Hip(CeedVector x, CeedScalar alpha) { 685 CeedSize length; 686 CeedVector_Hip *impl; 687 688 CeedCallBackend(CeedVectorGetData(x, &impl)); 689 CeedCallBackend(CeedVectorGetLength(x, &length)); 690 // Set value for synced device/host array 691 if (impl->d_array) { 692 #if (HIP_VERSION >= 60000000) 693 hipblasHandle_t handle; 694 695 CeedCallBackend(CeedGetHipblasHandle_Hip(CeedVectorReturnCeed(x), &handle)); 696 #if defined(CEED_SCALAR_IS_FP32) 697 CeedCallHipblas(CeedVectorReturnCeed(x), hipblasSscal_64(handle, (int64_t)length, &alpha, impl->d_array, 1)); 698 #else /* CEED_SCALAR */ 699 CeedCallHipblas(CeedVectorReturnCeed(x), hipblasDscal_64(handle, (int64_t)length, &alpha, impl->d_array, 1)); 700 #endif /* CEED_SCALAR */ 701 #else /* HIP_VERSION */ 702 CeedCallBackend(CeedDeviceScale_Hip(impl->d_array, alpha, length)); 703 #endif /* HIP_VERSION */ 704 impl->h_array = NULL; 705 } 706 if (impl->h_array) { 707 CeedCallBackend(CeedHostScale_Hip(impl->h_array, alpha, length)); 708 impl->d_array = NULL; 709 } 710 return CEED_ERROR_SUCCESS; 711 } 712 713 //------------------------------------------------------------------------------ 714 // Compute y = alpha x + y on the host 715 //------------------------------------------------------------------------------ 716 static int CeedHostAXPY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar *x_array, CeedSize length) { 717 for (CeedSize i = 0; i < length; i++) y_array[i] += alpha * x_array[i]; 718 return CEED_ERROR_SUCCESS; 719 } 720 721 //------------------------------------------------------------------------------ 722 // Compute y = alpha x + y on device (impl in .hip.cpp file) 723 //------------------------------------------------------------------------------ 724 int CeedDeviceAXPY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar *x_array, CeedSize length); 725 726 //------------------------------------------------------------------------------ 727 // Compute y = alpha x + y 728 //------------------------------------------------------------------------------ 729 static int CeedVectorAXPY_Hip(CeedVector y, CeedScalar alpha, CeedVector x) { 730 CeedSize length; 731 CeedVector_Hip *y_impl, *x_impl; 732 733 CeedCallBackend(CeedVectorGetData(y, &y_impl)); 734 CeedCallBackend(CeedVectorGetData(x, &x_impl)); 735 CeedCallBackend(CeedVectorGetLength(y, &length)); 736 // Set value for synced device/host array 737 if (y_impl->d_array) { 738 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_DEVICE)); 739 #if (HIP_VERSION >= 60000000) 740 hipblasHandle_t handle; 741 742 CeedCallBackend(CeedGetHipblasHandle_Hip(CeedVectorReturnCeed(y), &handle)); 743 #if defined(CEED_SCALAR_IS_FP32) 744 CeedCallHipblas(CeedVectorReturnCeed(y), hipblasSaxpy_64(handle, (int64_t)length, &alpha, x_impl->d_array, 1, y_impl->d_array, 1)); 745 #else /* CEED_SCALAR */ 746 CeedCallHipblas(CeedVectorReturnCeed(y), hipblasDaxpy_64(handle, (int64_t)length, &alpha, x_impl->d_array, 1, y_impl->d_array, 1)); 747 #endif /* CEED_SCALAR */ 748 #else /* HIP_VERSION */ 749 CeedCallBackend(CeedDeviceAXPY_Hip(y_impl->d_array, alpha, x_impl->d_array, length)); 750 #endif /* HIP_VERSION */ 751 y_impl->h_array = NULL; 752 } else if (y_impl->h_array) { 753 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_HOST)); 754 CeedCallBackend(CeedHostAXPY_Hip(y_impl->h_array, alpha, x_impl->h_array, length)); 755 y_impl->d_array = NULL; 756 } 757 return CEED_ERROR_SUCCESS; 758 } 759 760 //------------------------------------------------------------------------------ 761 // Compute y = alpha x + beta y on the host 762 //------------------------------------------------------------------------------ 763 static int CeedHostAXPBY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar beta, CeedScalar *x_array, CeedSize length) { 764 for (CeedSize i = 0; i < length; i++) y_array[i] = alpha * x_array[i] + beta * y_array[i]; 765 return CEED_ERROR_SUCCESS; 766 } 767 768 //------------------------------------------------------------------------------ 769 // Compute y = alpha x + beta y on device (impl in .hip.cpp file) 770 //------------------------------------------------------------------------------ 771 int CeedDeviceAXPBY_Hip(CeedScalar *y_array, CeedScalar alpha, CeedScalar beta, CeedScalar *x_array, CeedSize length); 772 773 //------------------------------------------------------------------------------ 774 // Compute y = alpha x + beta y 775 //------------------------------------------------------------------------------ 776 static int CeedVectorAXPBY_Hip(CeedVector y, CeedScalar alpha, CeedScalar beta, CeedVector x) { 777 CeedSize length; 778 CeedVector_Hip *y_impl, *x_impl; 779 780 CeedCallBackend(CeedVectorGetData(y, &y_impl)); 781 CeedCallBackend(CeedVectorGetData(x, &x_impl)); 782 CeedCallBackend(CeedVectorGetLength(y, &length)); 783 // Set value for synced device/host array 784 if (y_impl->d_array) { 785 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_DEVICE)); 786 CeedCallBackend(CeedDeviceAXPBY_Hip(y_impl->d_array, alpha, beta, x_impl->d_array, length)); 787 } 788 if (y_impl->h_array) { 789 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_HOST)); 790 CeedCallBackend(CeedHostAXPBY_Hip(y_impl->h_array, alpha, beta, x_impl->h_array, length)); 791 } 792 return CEED_ERROR_SUCCESS; 793 } 794 795 //------------------------------------------------------------------------------ 796 // Compute the pointwise multiplication w = x .* y on the host 797 //------------------------------------------------------------------------------ 798 static int CeedHostPointwiseMult_Hip(CeedScalar *w_array, CeedScalar *x_array, CeedScalar *y_array, CeedSize length) { 799 for (CeedSize i = 0; i < length; i++) w_array[i] = x_array[i] * y_array[i]; 800 return CEED_ERROR_SUCCESS; 801 } 802 803 //------------------------------------------------------------------------------ 804 // Compute the pointwise multiplication w = x .* y on device (impl in .hip.cpp file) 805 //------------------------------------------------------------------------------ 806 int CeedDevicePointwiseMult_Hip(CeedScalar *w_array, CeedScalar *x_array, CeedScalar *y_array, CeedSize length); 807 808 //------------------------------------------------------------------------------ 809 // Compute the pointwise multiplication w = x .* y 810 //------------------------------------------------------------------------------ 811 static int CeedVectorPointwiseMult_Hip(CeedVector w, CeedVector x, CeedVector y) { 812 CeedSize length; 813 CeedVector_Hip *w_impl, *x_impl, *y_impl; 814 815 CeedCallBackend(CeedVectorGetData(w, &w_impl)); 816 CeedCallBackend(CeedVectorGetData(x, &x_impl)); 817 CeedCallBackend(CeedVectorGetData(y, &y_impl)); 818 CeedCallBackend(CeedVectorGetLength(w, &length)); 819 820 // Set value for synced device/host array 821 if (!w_impl->d_array && !w_impl->h_array) { 822 CeedCallBackend(CeedVectorSetValue(w, 0.0)); 823 } 824 if (w_impl->d_array) { 825 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_DEVICE)); 826 CeedCallBackend(CeedVectorSyncArray(y, CEED_MEM_DEVICE)); 827 CeedCallBackend(CeedDevicePointwiseMult_Hip(w_impl->d_array, x_impl->d_array, y_impl->d_array, length)); 828 } 829 if (w_impl->h_array) { 830 CeedCallBackend(CeedVectorSyncArray(x, CEED_MEM_HOST)); 831 CeedCallBackend(CeedVectorSyncArray(y, CEED_MEM_HOST)); 832 CeedCallBackend(CeedHostPointwiseMult_Hip(w_impl->h_array, x_impl->h_array, y_impl->h_array, length)); 833 } 834 return CEED_ERROR_SUCCESS; 835 } 836 837 //------------------------------------------------------------------------------ 838 // Destroy the vector 839 //------------------------------------------------------------------------------ 840 static int CeedVectorDestroy_Hip(const CeedVector vec) { 841 CeedVector_Hip *impl; 842 843 CeedCallBackend(CeedVectorGetData(vec, &impl)); 844 CeedCallHip(CeedVectorReturnCeed(vec), hipFree(impl->d_array_owned)); 845 CeedCallBackend(CeedFree(&impl->h_array_owned)); 846 CeedCallBackend(CeedFree(&impl)); 847 return CEED_ERROR_SUCCESS; 848 } 849 850 //------------------------------------------------------------------------------ 851 // Create a vector of the specified length (does not allocate memory) 852 //------------------------------------------------------------------------------ 853 int CeedVectorCreate_Hip(CeedSize n, CeedVector vec) { 854 CeedVector_Hip *impl; 855 Ceed ceed; 856 857 CeedCallBackend(CeedVectorGetCeed(vec, &ceed)); 858 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "HasValidArray", CeedVectorHasValidArray_Hip)); 859 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "HasBorrowedArrayOfType", CeedVectorHasBorrowedArrayOfType_Hip)); 860 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "SetArray", CeedVectorSetArray_Hip)); 861 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "TakeArray", CeedVectorTakeArray_Hip)); 862 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "CopyStrided", CeedVectorCopyStrided_Hip)); 863 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "SetValue", CeedVectorSetValue_Hip)); 864 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "SetValueStrided", CeedVectorSetValueStrided_Hip)); 865 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "SyncArray", CeedVectorSyncArray_Hip)); 866 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "GetArray", CeedVectorGetArray_Hip)); 867 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "GetArrayRead", CeedVectorGetArrayRead_Hip)); 868 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "GetArrayWrite", CeedVectorGetArrayWrite_Hip)); 869 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Norm", CeedVectorNorm_Hip)); 870 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Reciprocal", CeedVectorReciprocal_Hip)); 871 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Scale", CeedVectorScale_Hip)); 872 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "AXPY", CeedVectorAXPY_Hip)); 873 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "AXPBY", CeedVectorAXPBY_Hip)); 874 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "PointwiseMult", CeedVectorPointwiseMult_Hip)); 875 CeedCallBackend(CeedSetBackendFunction(ceed, "Vector", vec, "Destroy", CeedVectorDestroy_Hip)); 876 CeedCallBackend(CeedDestroy(&ceed)); 877 CeedCallBackend(CeedCalloc(1, &impl)); 878 CeedCallBackend(CeedVectorSetData(vec, impl)); 879 return CEED_ERROR_SUCCESS; 880 } 881 882 //------------------------------------------------------------------------------ 883