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 const char fallback_resource[] = "/cpu/self/ref/serial"; 32 Ceed_Opt *data; 33 34 CeedCheck(!strcmp(resource, "/cpu/self") || !strcmp(resource, "/cpu/self/opt") || !strcmp(resource, "/cpu/self/opt/blocked"), ceed, 35 CEED_ERROR_BACKEND, "Opt backend cannot use resource: %s", resource); 36 CeedCallBackend(CeedSetDeterministic(ceed, true)); 37 38 // Create reference Ceed that implementation will be dispatched through unless overridden 39 CeedCallBackend(CeedInit("/cpu/self/ref/serial", &ceed_ref)); 40 CeedCallBackend(CeedSetDelegate(ceed, ceed_ref)); 41 42 // Set fallback Ceed resource for advanced operator functionality 43 CeedCallBackend(CeedSetOperatorFallbackResource(ceed, fallback_resource)); 44 45 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Opt)); 46 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate", CeedOperatorCreate_Opt)); 47 48 // Set block size 49 CeedCallBackend(CeedCalloc(1, &data)); 50 data->block_size = 8; 51 CeedCallBackend(CeedSetData(ceed, data)); 52 return CEED_ERROR_SUCCESS; 53 } 54 55 //------------------------------------------------------------------------------ 56 // Backend Register 57 //------------------------------------------------------------------------------ 58 CEED_INTERN int CeedRegister_Opt_Blocked(void) { return CeedRegister("/cpu/self/opt/blocked", CeedInit_Opt_Blocked, 40); } 59 60 //------------------------------------------------------------------------------ 61