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-hip-common.h" 9 10 #include <ceed.h> 11 #include <ceed/backend.h> 12 #include <stdlib.h> 13 #include <string.h> 14 15 //------------------------------------------------------------------------------ 16 // Device information backend init 17 //------------------------------------------------------------------------------ 18 int CeedInit_Hip(Ceed ceed, const char *resource) { 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 CeedCallHip(ceed, hipGetDevice(¤t_device_id)); 24 if (device_id >= 0 && current_device_id != device_id) { 25 CeedCallHip(ceed, hipSetDevice(device_id)); 26 current_device_id = device_id; 27 } 28 Ceed_Hip *data; 29 CeedCallBackend(CeedGetData(ceed, &data)); 30 data->device_id = current_device_id; 31 CeedCallHip(ceed, hipGetDeviceProperties(&data->device_prop, current_device_id)); 32 data->opt_block_size = 256; 33 return CEED_ERROR_SUCCESS; 34 } 35 36 //------------------------------------------------------------------------------ 37 // Backend Destroy 38 //------------------------------------------------------------------------------ 39 int CeedDestroy_Hip(Ceed ceed) { 40 Ceed_Hip *data; 41 CeedCallBackend(CeedGetData(ceed, &data)); 42 if (data->hipblas_handle) CeedCallHipblas(ceed, hipblasDestroy(data->hipblas_handle)); 43 CeedCallBackend(CeedFree(&data)); 44 return CEED_ERROR_SUCCESS; 45 } 46 47 //------------------------------------------------------------------------------ 48