xref: /libCEED/backends/hip-shared/ceed-hip-shared.c (revision 0d0321e0e600f17fbb9528732fcb5c1d5c63fc0f)
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/ceed.h>
18 #include <ceed/backend.h>
19 #include <stdbool.h>
20 #include <string.h>
21 #include "ceed-hip-shared.h"
22 
23 //------------------------------------------------------------------------------
24 // Backend init
25 //------------------------------------------------------------------------------
26 static int CeedInit_Hip_shared(const char *resource, Ceed ceed) {
27   int ierr;
28 
29   if (strcmp(resource, "/gpu/hip/shared"))
30     // LCOV_EXCL_START
31     return CeedError(ceed, CEED_ERROR_BACKEND,
32                      "Hip backend cannot use resource: %s", resource);
33   // LCOV_EXCL_STOP
34   ierr = CeedSetDeterministic(ceed, true); CeedChkBackend(ierr);
35 
36   Ceed_Hip *data;
37   ierr = CeedCalloc(1, &data); CeedChkBackend(ierr);
38   ierr = CeedSetData(ceed, data); CeedChkBackend(ierr);
39   ierr = CeedHipInit(ceed, resource); CeedChkBackend(ierr);
40 
41   Ceed ceedref;
42   CeedInit("/gpu/hip/ref", &ceedref);
43   ierr = CeedSetDelegate(ceed, ceedref); CeedChkBackend(ierr);
44 
45   ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1",
46                                 CeedBasisCreateTensorH1_Hip_shared);
47   CeedChkBackend(ierr);
48   ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy",
49                                 CeedDestroy_Hip); CeedChkBackend(ierr);
50   CeedChkBackend(ierr);
51   return CEED_ERROR_SUCCESS;
52 }
53 
54 //------------------------------------------------------------------------------
55 // Register backend
56 //------------------------------------------------------------------------------
57 CEED_INTERN int CeedRegister_Hip_Shared(void) {
58   return CeedRegister("/gpu/hip/shared", CeedInit_Hip_shared, 25);
59 }
60 //------------------------------------------------------------------------------
61