1*9ba83ac0SJeremy L Thompson // Copyright (c) 2017-2026, 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. 30d0321e0SJeremy L Thompson // 43d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause 50d0321e0SJeremy L Thompson // 63d8e8822SJeremy L Thompson // This file is part of CEED: http://github.com/ceed 70d0321e0SJeremy L Thompson 849aac155SJeremy L Thompson #include <ceed.h> 90d0321e0SJeremy L Thompson #include <ceed/backend.h> 1049aac155SJeremy L Thompson #include <ceed/jit-source/cuda/cuda-types.h> 110d0321e0SJeremy L Thompson #include <cuda.h> 122b730f8bSJeremy L Thompson 1349aac155SJeremy L Thompson #include "../cuda/ceed-cuda-common.h" 140d0321e0SJeremy L Thompson #include "../cuda/ceed-cuda-compile.h" 152b730f8bSJeremy L Thompson #include "ceed-cuda-ref-qfunction-load.h" 162b730f8bSJeremy L Thompson #include "ceed-cuda-ref.h" 170d0321e0SJeremy L Thompson 180d0321e0SJeremy L Thompson //------------------------------------------------------------------------------ 190d0321e0SJeremy L Thompson // Apply QFunction 200d0321e0SJeremy L Thompson //------------------------------------------------------------------------------ 212b730f8bSJeremy L Thompson static int CeedQFunctionApply_Cuda(CeedQFunction qf, CeedInt Q, CeedVector *U, CeedVector *V) { 220d0321e0SJeremy L Thompson Ceed ceed; 23ca735530SJeremy L Thompson Ceed_Cuda *ceed_Cuda; 24ca735530SJeremy L Thompson CeedInt num_input_fields, num_output_fields; 25ca735530SJeremy L Thompson CeedQFunction_Cuda *data; 26ca735530SJeremy L Thompson 272b730f8bSJeremy L Thompson CeedCallBackend(CeedQFunctionGetCeed(qf, &ceed)); 280d0321e0SJeremy L Thompson 290d0321e0SJeremy L Thompson // Build and compile kernel, if not done 30eb7e6cafSJeremy L Thompson CeedCallBackend(CeedQFunctionBuildKernel_Cuda_ref(qf)); 310d0321e0SJeremy L Thompson 322b730f8bSJeremy L Thompson CeedCallBackend(CeedQFunctionGetData(qf, &data)); 332b730f8bSJeremy L Thompson CeedCallBackend(CeedGetData(ceed, &ceed_Cuda)); 342b730f8bSJeremy L Thompson CeedCallBackend(CeedQFunctionGetNumArgs(qf, &num_input_fields, &num_output_fields)); 350d0321e0SJeremy L Thompson 360d0321e0SJeremy L Thompson // Read vectors 37437930d1SJeremy L Thompson for (CeedInt i = 0; i < num_input_fields; i++) { 382b730f8bSJeremy L Thompson CeedCallBackend(CeedVectorGetArrayRead(U[i], CEED_MEM_DEVICE, &data->fields.inputs[i])); 390d0321e0SJeremy L Thompson } 40437930d1SJeremy L Thompson for (CeedInt i = 0; i < num_output_fields; i++) { 412b730f8bSJeremy L Thompson CeedCallBackend(CeedVectorGetArrayWrite(V[i], CEED_MEM_DEVICE, &data->fields.outputs[i])); 420d0321e0SJeremy L Thompson } 430d0321e0SJeremy L Thompson 440d0321e0SJeremy L Thompson // Get context data 452b730f8bSJeremy L Thompson CeedCallBackend(CeedQFunctionGetInnerContextData(qf, CEED_MEM_DEVICE, &data->d_c)); 460d0321e0SJeremy L Thompson 470d0321e0SJeremy L Thompson // Run kernel 480d0321e0SJeremy L Thompson void *args[] = {&data->d_c, (void *)&Q, &data->fields}; 492b730f8bSJeremy L Thompson CeedCallBackend(CeedRunKernelAutoblockCuda(ceed, data->QFunction, Q, args)); 500d0321e0SJeremy L Thompson 510d0321e0SJeremy L Thompson // Restore vectors 52437930d1SJeremy L Thompson for (CeedInt i = 0; i < num_input_fields; i++) { 532b730f8bSJeremy L Thompson CeedCallBackend(CeedVectorRestoreArrayRead(U[i], &data->fields.inputs[i])); 540d0321e0SJeremy L Thompson } 55437930d1SJeremy L Thompson for (CeedInt i = 0; i < num_output_fields; i++) { 562b730f8bSJeremy L Thompson CeedCallBackend(CeedVectorRestoreArray(V[i], &data->fields.outputs[i])); 570d0321e0SJeremy L Thompson } 580d0321e0SJeremy L Thompson 590d0321e0SJeremy L Thompson // Restore context 602b730f8bSJeremy L Thompson CeedCallBackend(CeedQFunctionRestoreInnerContextData(qf, &data->d_c)); 619bc66399SJeremy L Thompson CeedCallBackend(CeedDestroy(&ceed)); 620d0321e0SJeremy L Thompson return CEED_ERROR_SUCCESS; 630d0321e0SJeremy L Thompson } 640d0321e0SJeremy L Thompson 650d0321e0SJeremy L Thompson //------------------------------------------------------------------------------ 660d0321e0SJeremy L Thompson // Destroy QFunction 670d0321e0SJeremy L Thompson //------------------------------------------------------------------------------ 680d0321e0SJeremy L Thompson static int CeedQFunctionDestroy_Cuda(CeedQFunction qf) { 69ca735530SJeremy L Thompson CeedQFunction_Cuda *data; 70ca735530SJeremy L Thompson 71ca735530SJeremy L Thompson CeedCallBackend(CeedQFunctionGetData(qf, &data)); 726e536b99SJeremy L Thompson if (data->module) CeedCallCuda(CeedQFunctionReturnCeed(qf), cuModuleUnload(data->module)); 732b730f8bSJeremy L Thompson CeedCallBackend(CeedFree(&data)); 740d0321e0SJeremy L Thompson return CEED_ERROR_SUCCESS; 750d0321e0SJeremy L Thompson } 760d0321e0SJeremy L Thompson 770d0321e0SJeremy L Thompson //------------------------------------------------------------------------------ 780d0321e0SJeremy L Thompson // Set User QFunction 790d0321e0SJeremy L Thompson //------------------------------------------------------------------------------ 802b730f8bSJeremy L Thompson static int CeedQFunctionSetCUDAUserFunction_Cuda(CeedQFunction qf, CUfunction f) { 810d0321e0SJeremy L Thompson CeedQFunction_Cuda *data; 82ca735530SJeremy L Thompson 832b730f8bSJeremy L Thompson CeedCallBackend(CeedQFunctionGetData(qf, &data)); 84437930d1SJeremy L Thompson data->QFunction = f; 850d0321e0SJeremy L Thompson return CEED_ERROR_SUCCESS; 860d0321e0SJeremy L Thompson } 870d0321e0SJeremy L Thompson 880d0321e0SJeremy L Thompson //------------------------------------------------------------------------------ 890d0321e0SJeremy L Thompson // Create QFunction 900d0321e0SJeremy L Thompson //------------------------------------------------------------------------------ 910d0321e0SJeremy L Thompson int CeedQFunctionCreate_Cuda(CeedQFunction qf) { 920d0321e0SJeremy L Thompson Ceed ceed; 930d0321e0SJeremy L Thompson CeedQFunction_Cuda *data; 94ca735530SJeremy L Thompson 956e536b99SJeremy L Thompson CeedCallBackend(CeedQFunctionGetCeed(qf, &ceed)); 962b730f8bSJeremy L Thompson CeedCallBackend(CeedCalloc(1, &data)); 972b730f8bSJeremy L Thompson CeedCallBackend(CeedQFunctionSetData(qf, data)); 980d0321e0SJeremy L Thompson 992b730f8bSJeremy L Thompson CeedCallBackend(CeedQFunctionGetKernelName(qf, &data->qfunction_name)); 1000d0321e0SJeremy L Thompson 1010d0321e0SJeremy L Thompson // Register backend functions 1022b730f8bSJeremy L Thompson CeedCallBackend(CeedSetBackendFunction(ceed, "QFunction", qf, "Apply", CeedQFunctionApply_Cuda)); 1032b730f8bSJeremy L Thompson CeedCallBackend(CeedSetBackendFunction(ceed, "QFunction", qf, "Destroy", CeedQFunctionDestroy_Cuda)); 1042b730f8bSJeremy L Thompson CeedCallBackend(CeedSetBackendFunction(ceed, "QFunction", qf, "SetCUDAUserFunction", CeedQFunctionSetCUDAUserFunction_Cuda)); 1059bc66399SJeremy L Thompson CeedCallBackend(CeedDestroy(&ceed)); 1060d0321e0SJeremy L Thompson return CEED_ERROR_SUCCESS; 1070d0321e0SJeremy L Thompson } 1082a86cc9dSSebastian Grimberg 1090d0321e0SJeremy L Thompson //------------------------------------------------------------------------------ 110