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 "ceed-cuda-shared.h" 12 13 //------------------------------------------------------------------------------ 14 // Backend init 15 //------------------------------------------------------------------------------ 16 static int CeedInit_Cuda_shared(const char *resource, Ceed ceed) { 17 int ierr; 18 19 if (strcmp(resource, "/gpu/cuda/shared")) 20 // LCOV_EXCL_START 21 return CeedError(ceed, CEED_ERROR_BACKEND, 22 "Cuda backend cannot use resource: %s", resource); 23 // LCOV_EXCL_STOP 24 ierr = CeedSetDeterministic(ceed, true); CeedChk(ierr); 25 26 Ceed_Cuda *data; 27 ierr = CeedCalloc(1, &data); CeedChk(ierr); 28 ierr = CeedSetData(ceed, data); CeedChk(ierr); 29 ierr = CeedCudaInit(ceed, resource); CeedChk(ierr); 30 31 Ceed ceed_ref; 32 CeedInit("/gpu/cuda/ref", &ceed_ref); 33 ierr = CeedSetDelegate(ceed, ceed_ref); CeedChk(ierr); 34 35 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1", 36 CeedBasisCreateTensorH1_Cuda_shared); 37 CeedChk(ierr); 38 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", 39 CeedDestroy_Cuda); CeedChk(ierr); 40 CeedChk(ierr); 41 return 0; 42 } 43 44 //------------------------------------------------------------------------------ 45 // Register backend 46 //------------------------------------------------------------------------------ 47 CEED_INTERN int CeedRegister_Cuda_Shared(void) { 48 return CeedRegister("/gpu/cuda/shared", CeedInit_Cuda_shared, 25); 49 } 50 //------------------------------------------------------------------------------ 51