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-sycl-gen.hpp" 9 10 #include <ceed/backend.h> 11 #include <ceed/ceed.h> 12 13 #include <string> 14 #include <string_view> 15 #include <string.h> 16 17 //------------------------------------------------------------------------------ 18 // Backend init 19 //------------------------------------------------------------------------------ 20 static int CeedInit_Sycl_gen(const char *resource, Ceed ceed) { 21 Ceed ceed_shared; 22 Ceed_Sycl *data, *shared_data; 23 char *resource_root; 24 const char fallback_resource[] = "/gpu/sycl/ref"; 25 26 CeedCallBackend(CeedGetResourceRoot(ceed, resource, ":device_id=", &resource_root)); 27 if (strcmp(resource_root, "/gpu/sycl") && strcmp(resource_root, "/gpu/sycl/gen")) { 28 // LCOV_EXCL_START 29 return CeedError(ceed, CEED_ERROR_BACKEND, "Sycl backend cannot use resource: %s", resource); 30 // LCOV_EXCL_STOP 31 } 32 CeedCallBackend(CeedFree(&resource_root)); 33 34 CeedCallBackend(CeedCalloc(1, &data)); 35 CeedCallBackend(CeedSetData(ceed, data)); 36 CeedCallBackend(CeedInit_Sycl(ceed, resource)); 37 38 CeedCallBackend(CeedInit("/gpu/sycl/shared", &ceed_shared)); 39 40 CeedCallBackend(CeedGetData(ceed_shared, &shared_data)); 41 // Need to use the same queue everywhere for correct synchronization 42 shared_data->sycl_queue = data->sycl_queue; 43 44 CeedCallBackend(CeedSetDelegate(ceed, ceed_shared)); 45 46 CeedCallBackend(CeedSetOperatorFallbackResource(ceed, fallback_resource)); 47 48 CeedCallBackend(CeedSetBackendFunctionCpp(ceed, "Ceed", ceed, "QFunctionCreate", CeedQFunctionCreate_Sycl_gen)); 49 CeedCallBackend(CeedSetBackendFunctionCpp(ceed, "Ceed", ceed, "OperatorCreate", CeedOperatorCreate_Sycl_gen)); 50 CeedCallBackend(CeedSetBackendFunctionCpp(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Sycl)); 51 return CEED_ERROR_SUCCESS; 52 } 53 54 //------------------------------------------------------------------------------ 55 // Register backend 56 //------------------------------------------------------------------------------ 57 CEED_INTERN int CeedRegister_Sycl_Gen(void) { return CeedRegister("/gpu/sycl/gen", CeedInit_Sycl_gen, 20); } 58 59 //------------------------------------------------------------------------------ 60