xref: /libCEED/rust/libceed-sys/c-src/backends/opt/ceed-opt-serial.c (revision ad70ee2c7083010521460a681a248527200af770)
13d8e8822SJeremy L Thompson // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors.
23d8e8822SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
389c6efa4Sjeremylt //
43d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause
589c6efa4Sjeremylt //
63d8e8822SJeremy L Thompson // This file is part of CEED:  http://github.com/ceed
789c6efa4Sjeremylt 
849aac155SJeremy L Thompson #include <ceed.h>
9ec3da8bcSJed Brown #include <ceed/backend.h>
103d576824SJeremy L Thompson #include <stdbool.h>
1189c6efa4Sjeremylt #include <string.h>
122b730f8bSJeremy L Thompson 
1389c6efa4Sjeremylt #include "ceed-opt.h"
1489c6efa4Sjeremylt 
15f10650afSjeremylt //------------------------------------------------------------------------------
16f10650afSjeremylt // Backend Destroy
17f10650afSjeremylt //------------------------------------------------------------------------------
1889c6efa4Sjeremylt static int CeedDestroy_Opt(Ceed ceed) {
1989c6efa4Sjeremylt   Ceed_Opt *data;
20*ad70ee2cSJeremy L Thompson 
212b730f8bSJeremy L Thompson   CeedCallBackend(CeedGetData(ceed, &data));
222b730f8bSJeremy L Thompson   CeedCallBackend(CeedFree(&data));
23e15f9bd0SJeremy L Thompson   return CEED_ERROR_SUCCESS;
2489c6efa4Sjeremylt }
2589c6efa4Sjeremylt 
26f10650afSjeremylt //------------------------------------------------------------------------------
27f10650afSjeremylt // Backend Init
28f10650afSjeremylt //------------------------------------------------------------------------------
2989c6efa4Sjeremylt static int CeedInit_Opt_Serial(const char *resource, Ceed ceed) {
30*ad70ee2cSJeremy L Thompson   Ceed       ceed_ref;
31*ad70ee2cSJeremy L Thompson   const char fallbackresource[] = "/cpu/self/ref/serial";
32*ad70ee2cSJeremy L Thompson   Ceed_Opt  *data;
33*ad70ee2cSJeremy L Thompson 
346574a04fSJeremy L Thompson   CeedCheck(!strcmp(resource, "/cpu/self") || !strcmp(resource, "/cpu/self/opt/serial"), ceed, CEED_ERROR_BACKEND,
356574a04fSJeremy L Thompson             "Opt backend cannot use resource: %s", resource);
362b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetDeterministic(ceed, true));
3789c6efa4Sjeremylt 
38ea61e9acSJeremy L Thompson   // Create reference Ceed that implementation will be dispatched through unless overridden
392b730f8bSJeremy L Thompson   CeedCallBackend(CeedInit("/cpu/self/ref/serial", &ceed_ref));
402b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetDelegate(ceed, ceed_ref));
4189c6efa4Sjeremylt 
42ea61e9acSJeremy L Thompson   // Set fallback Ceed resource for advanced operator functionality
432b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetOperatorFallbackResource(ceed, fallbackresource));
44e2f04181SAndrew T. Barker 
452b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Opt));
462b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "TensorContractCreate", CeedTensorContractCreate_Opt));
472b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate", CeedOperatorCreate_Opt));
4889c6efa4Sjeremylt 
4989c6efa4Sjeremylt   // Set block size
502b730f8bSJeremy L Thompson   CeedCallBackend(CeedCalloc(1, &data));
51*ad70ee2cSJeremy L Thompson   data->block_size = 1;
522b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetData(ceed, data));
53e15f9bd0SJeremy L Thompson   return CEED_ERROR_SUCCESS;
5489c6efa4Sjeremylt }
5589c6efa4Sjeremylt 
56f10650afSjeremylt //------------------------------------------------------------------------------
57f10650afSjeremylt // Backend Register
58f10650afSjeremylt //------------------------------------------------------------------------------
592b730f8bSJeremy L Thompson CEED_INTERN int CeedRegister_Opt_Serial(void) { return CeedRegister("/cpu/self/opt/serial", CeedInit_Opt_Serial, 45); }
601d013790SJed Brown 
61f10650afSjeremylt //------------------------------------------------------------------------------
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