xref: /libCEED/backends/magma/ceed-magma-det.c (revision ec3da8bcb94d9f0073544b37b5081a06981a86f7)
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 "ceed-magma.h"
20 
21 CEED_INTERN int CeedInit_Magma_Det(const char *resource, Ceed ceed) {
22   int ierr;
23   if (strcmp(resource, "/gpu/cuda/magma/det")
24       && strcmp(resource, "/gpu/hip/magma/det"))
25     // LCOV_EXCL_START
26     return CeedError(ceed, CEED_ERROR_BACKEND,
27                      "Magma backend cannot use resource: %s", resource);
28   // LCOV_EXCL_STOP
29   ierr = CeedSetDeterministic(ceed, true); CeedChkBackend(ierr);
30 
31   // Create reference CEED that implementation will be dispatched
32   //   through unless overridden
33   Ceed ceedref;
34   #ifdef HAVE_HIP
35   CeedInit("/gpu/hip/magma", &ceedref);
36   #else
37   CeedInit("/gpu/cuda/magma", &ceedref);
38   #endif
39   ierr = CeedSetDelegate(ceed, ceedref); CeedChkBackend(ierr);
40 
41   // Create reference CEED for restriction
42   Ceed restrictionceedref;
43   #ifdef HAVE_HIP
44   CeedInit("/gpu/hip/ref", &restrictionceedref);
45   #else
46   CeedInit("/gpu/cuda/ref", &restrictionceedref);
47   #endif
48   ierr = CeedSetObjectDelegate(ceed, restrictionceedref, "ElemRestriction");
49   CeedChkBackend(ierr);
50 
51   return CEED_ERROR_SUCCESS;
52 }
53 
54 CEED_INTERN int CeedRegister_Magma_Det(void) {
55   #ifdef HAVE_HIP
56   return CeedRegister("/gpu/hip/magma/det", CeedInit_Magma_Det, 125);
57   #else
58   return CeedRegister("/gpu/cuda/magma/det", CeedInit_Magma_Det, 125);
59   #endif
60 }
61