xref: /libCEED/backends/opt/ceed-opt-serial.c (revision 8c91a0c98588ec4c767fca1c07a5e6e035c21fe6)
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 static int CeedDestroy_Opt(Ceed ceed) {
21   int ierr;
22   Ceed_Opt *data;
23   ierr = CeedGetData(ceed, (void *)&data); CeedChk(ierr);
24   ierr = CeedFree(&data); CeedChk(ierr);
25 
26   return 0;
27 }
28 
29 static int CeedInit_Opt_Serial(const char *resource, Ceed ceed) {
30   int ierr;
31   if (strcmp(resource, "/cpu/self")
32       && strcmp(resource, "/cpu/self/opt/serial"))
33     return CeedError(ceed, 1, "Opt backend cannot use resource: %s", resource);
34 
35   // Create refrence CEED that implementation will be dispatched
36   //   through unless overridden
37   Ceed ceedref;
38   CeedInit("/cpu/self/ref/serial", &ceedref);
39   ierr = CeedSetDelegate(ceed, ceedref); CeedChk(ierr);
40 
41   ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy",
42                                 CeedDestroy_Opt); CeedChk(ierr);
43   ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate",
44                                 CeedOperatorCreate_Opt); CeedChk(ierr);
45 
46   // Set blocksize
47   Ceed_Opt *data;
48   ierr = CeedCalloc(1, &data); CeedChk(ierr);
49   data->blksize = 1;
50   ierr = CeedSetData(ceed, (void *)&data); CeedChk(ierr);
51 
52   return 0;
53 }
54 
55 __attribute__((constructor))
56 static void Register(void) {
57   CeedRegister("/cpu/self/opt/serial", CeedInit_Opt_Serial, 45);
58 }
59