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 <string.h> 18 #include "ceed-opt.h" 19 20 //------------------------------------------------------------------------------ 21 // Backend Destroy 22 //------------------------------------------------------------------------------ 23 static int CeedDestroy_Opt(Ceed ceed) { 24 int ierr; 25 Ceed_Opt *data; 26 ierr = CeedGetData(ceed, (void *)&data); CeedChk(ierr); 27 ierr = CeedFree(&data); CeedChk(ierr); 28 29 return 0; 30 } 31 32 //------------------------------------------------------------------------------ 33 // Backend Init 34 //------------------------------------------------------------------------------ 35 static int CeedInit_Opt_Serial(const char *resource, Ceed ceed) { 36 int ierr; 37 if (strcmp(resource, "/cpu/self") 38 && strcmp(resource, "/cpu/self/opt/serial")) 39 // LCOV_EXCL_START 40 return CeedError(ceed, 1, "Opt backend cannot use resource: %s", resource); 41 // LCOV_EXCL_STOP 42 ierr = CeedSetDeterministic(ceed, true); CeedChk(ierr); 43 44 // Create reference CEED that implementation will be dispatched 45 // through unless overridden 46 Ceed ceedref; 47 CeedInit("/cpu/self/ref/serial", &ceedref); 48 ierr = CeedSetDelegate(ceed, ceedref); CeedChk(ierr); 49 50 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", 51 CeedDestroy_Opt); CeedChk(ierr); 52 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate", 53 CeedOperatorCreate_Opt); CeedChk(ierr); 54 55 // Set blocksize 56 Ceed_Opt *data; 57 ierr = CeedCalloc(1, &data); CeedChk(ierr); 58 data->blksize = 1; 59 ierr = CeedSetData(ceed, (void *)&data); CeedChk(ierr); 60 61 return 0; 62 } 63 64 //------------------------------------------------------------------------------ 65 // Backend Register 66 //------------------------------------------------------------------------------ 67 __attribute__((constructor)) 68 static void Register(void) { 69 CeedRegister("/cpu/self/opt/serial", CeedInit_Opt_Serial, 45); 70 } 71 //------------------------------------------------------------------------------ 72