1bd882c8aSJames Wright // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2bd882c8aSJames Wright // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3bd882c8aSJames Wright // 4bd882c8aSJames Wright // SPDX-License-Identifier: BSD-2-Clause 5bd882c8aSJames Wright // 6bd882c8aSJames Wright // This file is part of CEED: http://github.com/ceed 7bd882c8aSJames Wright 8bd882c8aSJames Wright #include "ceed-sycl-shared.hpp" 9bd882c8aSJames Wright 10bd882c8aSJames Wright #include <ceed/backend.h> 11bd882c8aSJames Wright #include <ceed/ceed.h> 12bd882c8aSJames Wright 13bd882c8aSJames Wright #include <sstream> 14bd882c8aSJames Wright #include <string> 15bd882c8aSJames Wright #include <string_view> 16bd882c8aSJames Wright 17bd882c8aSJames Wright //------------------------------------------------------------------------------ 18bd882c8aSJames Wright // Backend init 19bd882c8aSJames Wright //------------------------------------------------------------------------------ 20bd882c8aSJames Wright static int CeedInit_Sycl_shared(const char *resource, Ceed ceed) { 21bd882c8aSJames Wright char *resource_root; 22*bc246734SJeremy L Thompson CeedCallBackend(CeedGetResourceRoot(ceed, resource, ":", &resource_root)); 23bd882c8aSJames Wright CeedCheck(!std::strcmp(resource_root, "/gpu/sycl/shared") || !std::strcmp(resource_root, "/cpu/sycl/shared"), ceed, CEED_ERROR_BACKEND, 24bd882c8aSJames Wright "Sycl backend cannot use resource: %s", resource); 25bd882c8aSJames Wright std::string_view root_view = resource_root; 26bd882c8aSJames Wright 27bd882c8aSJames Wright auto suffix_length = root_view.size() - root_view.rfind("shared"); 28bd882c8aSJames Wright root_view.remove_suffix(suffix_length); 29bd882c8aSJames Wright 30bd882c8aSJames Wright std::ostringstream ref_resource; 31bd882c8aSJames Wright ref_resource << root_view << "ref"; 32bd882c8aSJames Wright 33bd882c8aSJames Wright CeedCallBackend(CeedFree(&resource_root)); 34bd882c8aSJames Wright CeedCallBackend(CeedSetDeterministic(ceed, true)); 35bd882c8aSJames Wright 36bd882c8aSJames Wright Ceed_Sycl *data; 37bd882c8aSJames Wright CeedCallBackend(CeedCalloc(1, &data)); 38bd882c8aSJames Wright CeedCallBackend(CeedSetData(ceed, data)); 39bd882c8aSJames Wright CeedCallBackend(CeedSyclInit(ceed, resource)); 40bd882c8aSJames Wright 41bd882c8aSJames Wright Ceed ceed_ref; 42bd882c8aSJames Wright CeedCallBackend(CeedInit(ref_resource.str().c_str(), &ceed_ref)); 43bd882c8aSJames Wright 44bd882c8aSJames Wright Ceed_Sycl *ref_data; 45bd882c8aSJames Wright CeedCallBackend(CeedGetData(ceed_ref, &ref_data)); 46bd882c8aSJames Wright 47bd882c8aSJames Wright // Need to use the same queue everywhere for correct synchronization 48bd882c8aSJames Wright ref_data->sycl_queue = data->sycl_queue; 49bd882c8aSJames Wright ref_data->sycl_context = data->sycl_context; 50bd882c8aSJames Wright ref_data->sycl_device = data->sycl_device; 51bd882c8aSJames Wright 52bd882c8aSJames Wright CeedCallBackend(CeedSetDelegate(ceed, ceed_ref)); 53bd882c8aSJames Wright 54bd882c8aSJames Wright CeedCallBackend(CeedSetBackendFunctionCpp(ceed, "Ceed", ceed, "BasisCreateTensorH1", CeedBasisCreateTensorH1_Sycl_shared)); 55bd882c8aSJames Wright CeedCallBackend(CeedSetBackendFunctionCpp(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Sycl)); 56bd882c8aSJames Wright return CEED_ERROR_SUCCESS; 57bd882c8aSJames Wright } 58bd882c8aSJames Wright 59bd882c8aSJames Wright //------------------------------------------------------------------------------ 60bd882c8aSJames Wright // Register backend 61bd882c8aSJames Wright //------------------------------------------------------------------------------ 62bd882c8aSJames Wright CEED_INTERN int CeedRegister_Sycl_Shared(void) { 63bd882c8aSJames Wright CeedCallBackend(CeedRegister("/gpu/sycl/shared", CeedInit_Sycl_shared, 25)); 64bd882c8aSJames Wright CeedCallBackend(CeedRegister("/cpu/sycl/shared", CeedInit_Sycl_shared, 35)); 65bd882c8aSJames Wright return CEED_ERROR_SUCCESS; 66bd882c8aSJames Wright } 67bd882c8aSJames Wright //------------------------------------------------------------------------------ 68