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/ceed.h> 9 #include <ceed/backend.h> 10 #include <string.h> 11 #include <stdlib.h> 12 #include "ceed-hip-common.h" 13 14 //------------------------------------------------------------------------------ 15 // Device information backend init 16 //------------------------------------------------------------------------------ 17 int CeedHipInit(Ceed ceed, const char *resource) { 18 int ierr; 19 const char *device_spec = strstr(resource, ":device_id="); 20 const int device_id = (device_spec) ? atoi(device_spec + 11) : -1; 21 22 int current_device_id; 23 ierr = hipGetDevice(¤t_device_id); CeedChk_Hip(ceed, ierr); 24 if (device_id >= 0 && current_device_id != device_id) { 25 ierr = hipSetDevice(device_id); CeedChk_Hip(ceed, ierr); 26 current_device_id = device_id; 27 } 28 29 struct hipDeviceProp_t device_prop; 30 ierr = hipGetDeviceProperties(&device_prop, current_device_id); 31 CeedChk_Hip(ceed, ierr); 32 33 Ceed_Hip *data; 34 ierr = CeedGetData(ceed, &data); CeedChkBackend(ierr); 35 data->device_id = current_device_id; 36 data->opt_block_size = 256; 37 return CEED_ERROR_SUCCESS; 38 } 39 40 //------------------------------------------------------------------------------ 41 // Backend Destroy 42 //------------------------------------------------------------------------------ 43 int CeedDestroy_Hip(Ceed ceed) { 44 int ierr; 45 Ceed_Hip *data; 46 ierr = CeedGetData(ceed, &data); CeedChkBackend(ierr); 47 if (data->hipblas_handle) { 48 ierr = hipblasDestroy(data->hipblas_handle); CeedChk_Hipblas(ceed, ierr); 49 } 50 ierr = CeedFree(&data); CeedChkBackend(ierr); 51 return CEED_ERROR_SUCCESS; 52 } 53 54 //------------------------------------------------------------------------------ 55