1 // Copyright (c) 2017-2018, Lawrence Livermore National Security, LLC. 2 // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707. 3 // All Rights reserved. See files LICENSE and NOTICE for details. 4 // 5 // This file is part of CEED, a collection of benchmarks, miniapps, software 6 // libraries and APIs for efficient high-order finite element and spectral 7 // element discretizations for exascale applications. For more information and 8 // source code availability see http://github.com/ceed. 9 // 10 // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 11 // a collaborative effort of two U.S. Department of Energy organizations (Office 12 // of Science and the National Nuclear Security Administration) responsible for 13 // the planning and preparation of a capable exascale ecosystem, including 14 // software, applications, hardware, advanced system engineering and early 15 // testbed platforms, in support of the nation's exascale computing imperative. 16 17 #include <ceed/ceed.h> 18 #include <ceed/backend.h> 19 #include <string.h> 20 #include <stdlib.h> 21 #include "ceed-hip-common.h" 22 23 //------------------------------------------------------------------------------ 24 // Device information backend init 25 //------------------------------------------------------------------------------ 26 int CeedHipInit(Ceed ceed, const char *resource) { 27 int ierr; 28 const char *device_spec = strstr(resource, ":device_id="); 29 const int device_id = (device_spec) ? atoi(device_spec + 11) : -1; 30 31 int current_device_id; 32 ierr = hipGetDevice(¤t_device_id); CeedChk_Hip(ceed, ierr); 33 if (device_id >= 0 && current_device_id != device_id) { 34 ierr = hipSetDevice(device_id); CeedChk_Hip(ceed, ierr); 35 current_device_id = device_id; 36 } 37 38 struct hipDeviceProp_t device_prop; 39 ierr = hipGetDeviceProperties(&device_prop, current_device_id); 40 CeedChk_Hip(ceed, ierr); 41 42 Ceed_Hip *data; 43 ierr = CeedGetData(ceed, &data); CeedChkBackend(ierr); 44 data->device_id = current_device_id; 45 data->opt_block_size = 256; 46 return CEED_ERROR_SUCCESS; 47 } 48 49 //------------------------------------------------------------------------------ 50 // Backend Destroy 51 //------------------------------------------------------------------------------ 52 int CeedDestroy_Hip(Ceed ceed) { 53 int ierr; 54 Ceed_Hip *data; 55 ierr = CeedGetData(ceed, &data); CeedChkBackend(ierr); 56 if (data->hipblas_handle) { 57 ierr = hipblasDestroy(data->hipblas_handle); CeedChk_Hipblas(ceed, ierr); 58 } 59 ierr = CeedFree(&data); CeedChkBackend(ierr); 60 return CEED_ERROR_SUCCESS; 61 } 62 63 //------------------------------------------------------------------------------ 64