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.h> 9 #include <ceed/backend.h> 10 #include <cuda_runtime.h> 11 12 #include "../cuda/ceed-cuda-common.h" 13 #include "ceed-cuda-gen.h" 14 15 //------------------------------------------------------------------------------ 16 // Apply QFunction 17 //------------------------------------------------------------------------------ 18 static int CeedQFunctionApply_Cuda_gen(CeedQFunction qf, CeedInt Q, CeedVector *U, CeedVector *V) { 19 return CeedError(CeedQFunctionReturnCeed(qf), CEED_ERROR_BACKEND, "Backend does not implement QFunctionApply"); 20 } 21 22 //------------------------------------------------------------------------------ 23 // Destroy QFunction 24 //------------------------------------------------------------------------------ 25 static int CeedQFunctionDestroy_Cuda_gen(CeedQFunction qf) { 26 CeedQFunction_Cuda_gen *data; 27 28 CeedCallBackend(CeedQFunctionGetData(qf, &data)); 29 CeedCallCuda(CeedQFunctionReturnCeed(qf), cudaFree(data->d_c)); 30 CeedCallBackend(CeedFree(&data->qfunction_source)); 31 CeedCallBackend(CeedFree(&data)); 32 return CEED_ERROR_SUCCESS; 33 } 34 35 //------------------------------------------------------------------------------ 36 // Create QFunction 37 //------------------------------------------------------------------------------ 38 int CeedQFunctionCreate_Cuda_gen(CeedQFunction qf) { 39 Ceed ceed; 40 CeedQFunction_Cuda_gen *data; 41 42 CeedCallBackend(CeedQFunctionGetCeed(qf, &ceed)); 43 CeedCallBackend(CeedCalloc(1, &data)); 44 CeedCallBackend(CeedQFunctionSetData(qf, data)); 45 46 // Read QFunction source 47 CeedCallBackend(CeedQFunctionGetKernelName(qf, &data->qfunction_name)); 48 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading QFunction User Source -----\n"); 49 CeedCallBackend(CeedQFunctionLoadSourceToBuffer(qf, &data->qfunction_source)); 50 CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading QFunction User Source Complete! -----\n"); 51 CeedCheck(data->qfunction_source, ceed, CEED_ERROR_UNSUPPORTED, "/gpu/cuda/gen backend requires QFunction source code file"); 52 53 CeedCallBackend(CeedSetBackendFunction(ceed, "QFunction", qf, "Apply", CeedQFunctionApply_Cuda_gen)); 54 CeedCallBackend(CeedSetBackendFunction(ceed, "QFunction", qf, "Destroy", CeedQFunctionDestroy_Cuda_gen)); 55 return CEED_ERROR_SUCCESS; 56 } 57 58 //------------------------------------------------------------------------------ 59