xref: /libCEED/backends/opt/ceed-opt-blocked.c (revision 49a40c8a2d720db341b0b117b89656b473cbebfb)
1 // Copyright (c) 2017-2022, 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.h>
9 #include <ceed/backend.h>
10 #include <stdbool.h>
11 #include <string.h>
12 
13 #include "ceed-opt.h"
14 
15 //------------------------------------------------------------------------------
16 // Backend Destroy
17 //------------------------------------------------------------------------------
18 static int CeedDestroy_Opt(Ceed ceed) {
19   Ceed_Opt *data;
20 
21   CeedCallBackend(CeedGetData(ceed, &data));
22   CeedCallBackend(CeedFree(&data));
23   return CEED_ERROR_SUCCESS;
24 }
25 
26 //------------------------------------------------------------------------------
27 // Backend Init
28 //------------------------------------------------------------------------------
29 static int CeedInit_Opt_Blocked(const char *resource, Ceed ceed) {
30   Ceed      ceed_ref;
31   Ceed_Opt *data;
32 
33   CeedCheck(!strcmp(resource, "/cpu/self") || !strcmp(resource, "/cpu/self/opt") || !strcmp(resource, "/cpu/self/opt/blocked"), ceed,
34             CEED_ERROR_BACKEND, "Opt backend cannot use resource: %s", resource);
35   CeedCallBackend(CeedSetDeterministic(ceed, true));
36 
37   // Create reference Ceed that implementation will be dispatched through unless overridden
38   CeedCallBackend(CeedInit("/cpu/self/ref/serial", &ceed_ref));
39   CeedCallBackend(CeedSetDelegate(ceed, ceed_ref));
40 
41   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Opt));
42   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "TensorContractCreate", CeedTensorContractCreate_Opt));
43   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate", CeedOperatorCreate_Opt));
44 
45   // Set block size
46   CeedCallBackend(CeedCalloc(1, &data));
47   data->block_size = 8;
48   CeedCallBackend(CeedSetData(ceed, data));
49   return CEED_ERROR_SUCCESS;
50 }
51 
52 //------------------------------------------------------------------------------
53 // Backend Register
54 //------------------------------------------------------------------------------
55 CEED_INTERN int CeedRegister_Opt_Blocked(void) { return CeedRegister("/cpu/self/opt/blocked", CeedInit_Opt_Blocked, 40); }
56 
57 //------------------------------------------------------------------------------
58