xref: /libCEED/rust/libceed-sys/c-src/backends/magma/ceed-magma-det.c (revision 3f6ce9826bd31e22ed2a96551c57931026819e8f)
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_Det(const char *resource, Ceed ceed) {
20   int ierr;
21   if (strcmp(resource, "/gpu/cuda/magma/det")
22       && strcmp(resource, "/gpu/hip/magma/det"))
23     // LCOV_EXCL_START
24     return CeedError(ceed, 1, "Magma backend cannot use resource: %s", resource);
25   // LCOV_EXCL_STOP
26   ierr = CeedSetDeterministic(ceed, true); CeedChk(ierr);
27 
28   // Create reference CEED that implementation will be dispatched
29   //   through unless overridden
30   Ceed ceedref;
31   #ifdef HAVE_HIP
32   CeedInit("/gpu/hip/magma", &ceedref);
33   #else
34   CeedInit("/gpu/cuda/magma", &ceedref);
35   #endif
36   ierr = CeedSetDelegate(ceed, ceedref); CeedChk(ierr);
37 
38   // Create reference CEED for restriction
39   Ceed restrictionceedref;
40   #ifdef HAVE_HIP
41   CeedInit("/gpu/hip/ref", &restrictionceedref);
42   #else
43   CeedInit("/gpu/cuda/ref", &restrictionceedref);
44   #endif
45   ierr = CeedSetObjectDelegate(ceed, restrictionceedref, "ElemRestriction");
46   CeedChk(ierr);
47 
48   return 0;
49 }
50 
51 __attribute__((constructor))
52 static void Register(void) {
53   #ifdef HAVE_HIP
54   CeedRegister("/gpu/hip/magma/det", CeedInit_Magma_Det, 125);
55   #else
56   CeedRegister("/gpu/cuda/magma/det", CeedInit_Magma_Det, 125);
57   #endif
58 }
59