xref: /libCEED/backends/memcheck/ceed-memcheck-qfunction.c (revision ccf0fe6fd2ec6c692fac5dfe411b8e3ec625937d)
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-memcheck.h"
18 
19 static int CeedQFunctionApply_Memcheck(CeedQFunction qf, CeedInt Q,
20                                        CeedVector *U, CeedVector *V) {
21   int ierr;
22   CeedQFunction_Memcheck *impl;
23   ierr = CeedQFunctionGetData(qf, (void *)&impl); CeedChk(ierr);
24 
25   void *ctx;
26   ierr = CeedQFunctionGetContext(qf, &ctx); CeedChk(ierr);
27 
28   CeedQFunctionUser f = NULL;
29   ierr = CeedQFunctionGetUserFunction(qf, (int (**)())&f); // *NOPAD*
30   CeedChk(ierr);
31 
32   CeedInt nIn, nOut;
33   ierr = CeedQFunctionGetNumArgs(qf, &nIn, &nOut); CeedChk(ierr);
34 
35   for (int i = 0; i<nIn; i++) {
36     ierr = CeedVectorGetArrayRead(U[i], CEED_MEM_HOST, &impl->inputs[i]);
37     CeedChk(ierr);
38   }
39   for (int i = 0; i<nOut; i++) {
40     ierr = CeedVectorGetArray(V[i], CEED_MEM_HOST, &impl->outputs[i]);
41     CeedChk(ierr);
42     CeedInt len;
43     ierr = CeedVectorGetLength(V[i], &len); CeedChk(ierr);
44     VALGRIND_MAKE_MEM_UNDEFINED(impl->outputs[i], len);
45   }
46 
47   ierr = f(ctx, Q, impl->inputs, impl->outputs); CeedChk(ierr);
48 
49   for (int i = 0; i<nIn; i++) {
50     ierr = CeedVectorRestoreArrayRead(U[i], &impl->inputs[i]); CeedChk(ierr);
51   }
52   for (int i = 0; i<nOut; i++) {
53     ierr = CeedVectorRestoreArray(V[i], &impl->outputs[i]); CeedChk(ierr);
54   }
55 
56   return 0;
57 }
58 
59 static int CeedQFunctionDestroy_Memcheck(CeedQFunction qf) {
60   int ierr;
61   CeedQFunction_Memcheck *impl;
62   ierr = CeedQFunctionGetData(qf, (void *)&impl); CeedChk(ierr);
63 
64   ierr = CeedFree(&impl->inputs); CeedChk(ierr);
65   ierr = CeedFree(&impl->outputs); CeedChk(ierr);
66   ierr = CeedFree(&impl); CeedChk(ierr);
67 
68   return 0;
69 }
70 
71 int CeedQFunctionCreate_Memcheck(CeedQFunction qf) {
72   int ierr;
73   Ceed ceed;
74   ierr = CeedQFunctionGetCeed(qf, &ceed); CeedChk(ierr);
75 
76   CeedQFunction_Memcheck *impl;
77   ierr = CeedCalloc(1, &impl); CeedChk(ierr);
78   ierr = CeedCalloc(16, &impl->inputs); CeedChk(ierr);
79   ierr = CeedCalloc(16, &impl->outputs); CeedChk(ierr);
80   ierr = CeedQFunctionSetData(qf, (void *)&impl); CeedChk(ierr);
81 
82   ierr = CeedSetBackendFunction(ceed, "QFunction", qf, "Apply",
83                                 CeedQFunctionApply_Memcheck); CeedChk(ierr);
84   ierr = CeedSetBackendFunction(ceed, "QFunction", qf, "Destroy",
85                                 CeedQFunctionDestroy_Memcheck); CeedChk(ierr);
86 
87   return 0;
88 }
89