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-ref.h" 18 19 //------------------------------------------------------------------------------ 20 // QFunction Apply 21 //------------------------------------------------------------------------------ 22 static int CeedQFunctionApply_Ref(CeedQFunction qf, CeedInt Q, 23 CeedVector *U, CeedVector *V) { 24 int ierr; 25 CeedQFunction_Ref *impl; 26 ierr = CeedQFunctionGetData(qf, &impl); CeedChk(ierr); 27 28 CeedQFunctionContext ctx; 29 ierr = CeedQFunctionGetContext(qf, &ctx); CeedChk(ierr); 30 void *ctxData = NULL; 31 if (ctx) { 32 ierr = CeedQFunctionContextGetData(ctx, CEED_MEM_HOST, &ctxData); 33 CeedChk(ierr); 34 } 35 36 CeedQFunctionUser f = NULL; 37 ierr = CeedQFunctionGetUserFunction(qf, &f); CeedChk(ierr); 38 39 CeedInt nIn, nOut; 40 ierr = CeedQFunctionGetNumArgs(qf, &nIn, &nOut); CeedChk(ierr); 41 42 for (int i = 0; i<nIn; i++) { 43 ierr = CeedVectorGetArrayRead(U[i], CEED_MEM_HOST, &impl->inputs[i]); 44 CeedChk(ierr); 45 } 46 for (int i = 0; i<nOut; i++) { 47 ierr = CeedVectorGetArray(V[i], CEED_MEM_HOST, &impl->outputs[i]); 48 CeedChk(ierr); 49 } 50 51 ierr = f(ctxData, Q, impl->inputs, impl->outputs); CeedChk(ierr); 52 53 for (int i = 0; i<nIn; i++) { 54 ierr = CeedVectorRestoreArrayRead(U[i], &impl->inputs[i]); CeedChk(ierr); 55 } 56 for (int i = 0; i<nOut; i++) { 57 ierr = CeedVectorRestoreArray(V[i], &impl->outputs[i]); CeedChk(ierr); 58 } 59 if (ctx) { 60 ierr = CeedQFunctionContextRestoreData(ctx, &ctxData); CeedChk(ierr); 61 } 62 63 return 0; 64 } 65 66 //------------------------------------------------------------------------------ 67 // QFunction Destroy 68 //------------------------------------------------------------------------------ 69 static int CeedQFunctionDestroy_Ref(CeedQFunction qf) { 70 int ierr; 71 CeedQFunction_Ref *impl; 72 ierr = CeedQFunctionGetData(qf, &impl); CeedChk(ierr); 73 74 ierr = CeedFree(&impl->inputs); CeedChk(ierr); 75 ierr = CeedFree(&impl->outputs); CeedChk(ierr); 76 ierr = CeedFree(&impl); CeedChk(ierr); 77 78 return 0; 79 } 80 81 //------------------------------------------------------------------------------ 82 // QFunction Create 83 //------------------------------------------------------------------------------ 84 int CeedQFunctionCreate_Ref(CeedQFunction qf) { 85 int ierr; 86 Ceed ceed; 87 ierr = CeedQFunctionGetCeed(qf, &ceed); CeedChk(ierr); 88 89 CeedQFunction_Ref *impl; 90 ierr = CeedCalloc(1, &impl); CeedChk(ierr); 91 ierr = CeedCalloc(16, &impl->inputs); CeedChk(ierr); 92 ierr = CeedCalloc(16, &impl->outputs); CeedChk(ierr); 93 ierr = CeedQFunctionSetData(qf, impl); CeedChk(ierr); 94 95 ierr = CeedSetBackendFunction(ceed, "QFunction", qf, "Apply", 96 CeedQFunctionApply_Ref); CeedChk(ierr); 97 ierr = CeedSetBackendFunction(ceed, "QFunction", qf, "Destroy", 98 CeedQFunctionDestroy_Ref); CeedChk(ierr); 99 100 return 0; 101 } 102 //------------------------------------------------------------------------------ 103