1 // Copyright (c) 2017-2026, Lawrence Livermore National Security, LLC and other CEED contributors.
2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
3 //
4 // SPDX-License-Identifier: BSD-2-Clause
5 //
6 // This file is part of CEED: http://github.com/ceed
7
8 #include "ceed-sycl-shared.hpp"
9
10 #include <ceed/backend.h>
11 #include <ceed/ceed.h>
12
13 #include <sstream>
14 #include <string>
15 #include <string_view>
16
17 //------------------------------------------------------------------------------
18 // Backend init
19 //------------------------------------------------------------------------------
CeedInit_Sycl_shared(const char * resource,Ceed ceed)20 static int CeedInit_Sycl_shared(const char *resource, Ceed ceed) {
21 Ceed ceed_ref;
22 Ceed_Sycl *data;
23 char *resource_root;
24
25 CeedCallBackend(CeedGetResourceRoot(ceed, resource, ":", &resource_root));
26 CeedCheck(!std::strcmp(resource_root, "/gpu/sycl/shared") || !std::strcmp(resource_root, "/cpu/sycl/shared"), ceed, CEED_ERROR_BACKEND,
27 "Sycl backend cannot use resource: %s", resource);
28 std::string_view root_view = resource_root;
29
30 auto suffix_length = root_view.size() - root_view.rfind("shared");
31 root_view.remove_suffix(suffix_length);
32
33 std::ostringstream ref_resource;
34 ref_resource << root_view << "ref";
35
36 CeedCallBackend(CeedFree(&resource_root));
37 CeedCallBackend(CeedSetDeterministic(ceed, true));
38
39 CeedCallBackend(CeedCalloc(1, &data));
40 CeedCallBackend(CeedSetData(ceed, data));
41 CeedCallBackend(CeedInit_Sycl(ceed, resource));
42
43 CeedCallBackend(CeedInit(ref_resource.str().c_str(), &ceed_ref));
44 CeedCallBackend(CeedSetStream_Sycl(ceed_ref, &(data->sycl_queue)));
45 CeedCallBackend(CeedSetDelegate(ceed, ceed_ref));
46
47 CeedCallBackend(CeedSetBackendFunctionCpp(ceed, "Ceed", ceed, "BasisCreateTensorH1", CeedBasisCreateTensorH1_Sycl_shared));
48 CeedCallBackend(CeedSetBackendFunctionCpp(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Sycl));
49 return CEED_ERROR_SUCCESS;
50 }
51
52 //------------------------------------------------------------------------------
53 // Register backend
54 //------------------------------------------------------------------------------
CeedRegister_Sycl_Shared(void)55 CEED_INTERN int CeedRegister_Sycl_Shared(void) {
56 CeedCallBackend(CeedRegister("/gpu/sycl/shared", CeedInit_Sycl_shared, 25));
57 CeedCallBackend(CeedRegister("/cpu/sycl/shared", CeedInit_Sycl_shared, 35));
58 return CEED_ERROR_SUCCESS;
59 }
60
61 //------------------------------------------------------------------------------
62