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/backend.h> 9 #include <ceed/ceed.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 CeedCallBackend(CeedGetData(ceed, &data)); 21 CeedCallBackend(CeedFree(&data)); 22 23 return CEED_ERROR_SUCCESS; 24 } 25 26 //------------------------------------------------------------------------------ 27 // Backend Init 28 //------------------------------------------------------------------------------ 29 static int CeedInit_Opt_Serial(const char *resource, Ceed ceed) { 30 if (strcmp(resource, "/cpu/self") && strcmp(resource, "/cpu/self/opt/serial")) { 31 // LCOV_EXCL_START 32 return CeedError(ceed, CEED_ERROR_BACKEND, "Opt backend cannot use resource: %s", resource); 33 // LCOV_EXCL_STOP 34 } 35 CeedCallBackend(CeedSetDeterministic(ceed, true)); 36 37 // Create reference Ceed that implementation will be dispatched through unless overridden 38 39 Ceed ceed_ref; 40 CeedCallBackend(CeedInit("/cpu/self/ref/serial", &ceed_ref)); 41 CeedCallBackend(CeedSetDelegate(ceed, ceed_ref)); 42 43 // Set fallback Ceed resource for advanced operator functionality 44 const char fallbackresource[] = "/cpu/self/ref/serial"; 45 CeedCallBackend(CeedSetOperatorFallbackResource(ceed, fallbackresource)); 46 47 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Opt)); 48 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "TensorContractCreate", CeedTensorContractCreate_Opt)); 49 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate", CeedOperatorCreate_Opt)); 50 51 // Set blocksize 52 Ceed_Opt *data; 53 CeedCallBackend(CeedCalloc(1, &data)); 54 data->blk_size = 1; 55 CeedCallBackend(CeedSetData(ceed, data)); 56 57 return CEED_ERROR_SUCCESS; 58 } 59 60 //------------------------------------------------------------------------------ 61 // Backend Register 62 //------------------------------------------------------------------------------ 63 CEED_INTERN int CeedRegister_Opt_Serial(void) { return CeedRegister("/cpu/self/opt/serial", CeedInit_Opt_Serial, 45); } 64 65 //------------------------------------------------------------------------------ 66