xref: /libCEED/backends/hip-shared/ceed-hip-shared.c (revision 7d8d0e25636a94a27ff75b3dec09737e24cdb0fe)
1*7d8d0e25Snbeams // Copyright (c) 2017-2018, Lawrence Livermore National Security, LLC.
2*7d8d0e25Snbeams // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707.
3*7d8d0e25Snbeams // All Rights reserved. See files LICENSE and NOTICE for details.
4*7d8d0e25Snbeams //
5*7d8d0e25Snbeams // This file is part of CEED, a collection of benchmarks, miniapps, software
6*7d8d0e25Snbeams // libraries and APIs for efficient high-order finite element and spectral
7*7d8d0e25Snbeams // element discretizations for exascale applications. For more information and
8*7d8d0e25Snbeams // source code availability see http://github.com/ceed.
9*7d8d0e25Snbeams //
10*7d8d0e25Snbeams // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC,
11*7d8d0e25Snbeams // a collaborative effort of two U.S. Department of Energy organizations (Office
12*7d8d0e25Snbeams // of Science and the National Nuclear Security Administration) responsible for
13*7d8d0e25Snbeams // the planning and preparation of a capable exascale ecosystem, including
14*7d8d0e25Snbeams // software, applications, hardware, advanced system engineering and early
15*7d8d0e25Snbeams // testbed platforms, in support of the nation's exascale computing imperative.
16*7d8d0e25Snbeams 
17*7d8d0e25Snbeams #include <string.h>
18*7d8d0e25Snbeams #include <stdarg.h>
19*7d8d0e25Snbeams #include "ceed-hip-shared.h"
20*7d8d0e25Snbeams 
21*7d8d0e25Snbeams //------------------------------------------------------------------------------
22*7d8d0e25Snbeams // Backend init
23*7d8d0e25Snbeams //------------------------------------------------------------------------------
24*7d8d0e25Snbeams static int CeedInit_Hip_shared(const char *resource, Ceed ceed) {
25*7d8d0e25Snbeams   int ierr;
26*7d8d0e25Snbeams   const int nrc = 8; // number of characters in resource
27*7d8d0e25Snbeams   if (strncmp(resource, "/gpu/hip/shared", nrc))
28*7d8d0e25Snbeams     // LCOV_EXCL_START
29*7d8d0e25Snbeams     return CeedError(ceed, 1, "Hip backend cannot use resource: %s", resource);
30*7d8d0e25Snbeams   // LCOV_EXCL_STOP
31*7d8d0e25Snbeams   ierr = CeedSetDeterministic(ceed, true); CeedChk(ierr);
32*7d8d0e25Snbeams 
33*7d8d0e25Snbeams   Ceed ceedref;
34*7d8d0e25Snbeams   CeedInit("/gpu/hip/ref", &ceedref);
35*7d8d0e25Snbeams   ierr = CeedSetDelegate(ceed, ceedref); CeedChk(ierr);
36*7d8d0e25Snbeams 
37*7d8d0e25Snbeams   Ceed_Hip_shared *data;
38*7d8d0e25Snbeams   ierr = CeedCalloc(1, &data); CeedChk(ierr);
39*7d8d0e25Snbeams   ierr = CeedSetData(ceed, data); CeedChk(ierr);
40*7d8d0e25Snbeams   ierr = CeedHipInit(ceed, resource, nrc); CeedChk(ierr);
41*7d8d0e25Snbeams 
42*7d8d0e25Snbeams   ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1",
43*7d8d0e25Snbeams                                 CeedBasisCreateTensorH1_Hip_shared);
44*7d8d0e25Snbeams   CeedChk(ierr);
45*7d8d0e25Snbeams   ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy",
46*7d8d0e25Snbeams                                 CeedDestroy_Hip); CeedChk(ierr);
47*7d8d0e25Snbeams   CeedChk(ierr);
48*7d8d0e25Snbeams   return 0;
49*7d8d0e25Snbeams }
50*7d8d0e25Snbeams 
51*7d8d0e25Snbeams //------------------------------------------------------------------------------
52*7d8d0e25Snbeams // Register backend
53*7d8d0e25Snbeams //------------------------------------------------------------------------------
54*7d8d0e25Snbeams __attribute__((constructor))
55*7d8d0e25Snbeams static void Register(void) {
56*7d8d0e25Snbeams   CeedRegister("/gpu/hip/shared", CeedInit_Hip_shared, 25);
57*7d8d0e25Snbeams }
58*7d8d0e25Snbeams //------------------------------------------------------------------------------
59