mirror of
https://github.com/OPM/opm-simulators.git
synced 2025-02-25 18:55:30 -06:00
37 lines
1.3 KiB
C++
37 lines
1.3 KiB
C++
/*
|
|
Copyright 2022-2023 SINTEF AS
|
|
|
|
This file is part of the Open Porous Media project (OPM).
|
|
|
|
OPM is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
OPM is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with OPM. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef OPM_CUISTL_SET_DEVICE_HEADER
|
|
#define OPM_CUISTL_SET_DEVICE_HEADER
|
|
|
|
namespace Opm::cuistl
|
|
{
|
|
//! @brief Sets the correct CUDA device in the setting of MPI
|
|
//!
|
|
//! @note This assumes that every node has equally many GPUs, all of the same caliber
|
|
//!
|
|
//! @note This probably needs to be called *before* MPI_Init if one uses GPUDirect transfers (see eg.
|
|
//! https://devtalk.nvidia.com/default/topic/752046/teaching-and-curriculum-support/multi-gpu-system-running-mpi-cuda-/
|
|
//! )
|
|
//!
|
|
//! @note If no CUDA device is present, this does nothing.
|
|
void setDevice(int mpiRank, int numberOfMpiRanks);
|
|
} // namespace Opm::cuistl
|
|
#endif
|