xref: /libCEED/backends/magma/ceed-magma.c (revision cb32e2e7f026784d97a57f1901677e9727def907)
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-magma.h"
18 
19 static int CeedInit_Magma(const char *resource, Ceed ceed) {
20   int ierr;
21   if (strcmp(resource, "/gpu/magma"))
22     // LCOV_EXCL_START
23     return CeedError(ceed, 1, "Magma backend cannot use resource: %s", resource);
24   // LCOV_EXCL_STOP
25 
26 
27   // Create refrence CEED that implementation will be dispatched
28   //   through unless overridden
29   Ceed ceedref;
30   CeedInit("/gpu/cuda/ref", &ceedref);
31   ierr = CeedSetDelegate(ceed, ceedref); CeedChk(ierr);
32 
33   ierr = magma_init();
34   if (ierr)
35     // LCOV_EXCL_START
36     return CeedError(ceed, 1, "error in magma_init(): %d\n", ierr);
37   // LCOV_EXCL_STOP
38 
39   ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1",
40                                 CeedBasisCreateTensorH1_Magma); CeedChk(ierr);
41   ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateH1",
42                                 CeedBasisCreateH1_Magma); CeedChk(ierr);
43   return 0;
44 }
45 
46 __attribute__((constructor))
47 static void Register(void) {
48   CeedRegister("/gpu/magma", CeedInit_Magma,20);
49 }
50 
51