EdgeNodeFinder.h

//=======================================================================================
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//
//  This file is part of VirtualFluids. VirtualFluids 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.
//
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//  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 VirtualFluids (see COPYING.txt). If not, see <http://www.gnu.org/licenses/>.
//
//! \file EdgeNodeFinder.h
//! \ingroup Parameter
//! \author Anna Wellmann
//! \brief Functions for finding edge nodes in the multi-gpu implementation
//! \details Edge nodes are nodes, which are part of the communication in multiple directions
//! \ref master thesis of Anna Wellmann (p. 54-57)

//=======================================================================================
#ifndef GPU_EDGENODES_H
#define GPU_EDGENODES_H

#include <vector>

#include "Core/DataTypes.h"
#include "basics/PointerDefinitions.h"
#include "gpu/VirtualFluids_GPU/LBM/LB.h"

class Parameter;

namespace vf::gpu
{
//! \brief Find nodes which are part of communication in multiple coordinate directions
void findEdgeNodesCommMultiGPU(SPtr<Parameter> parameter);
} // namespace vf::gpu

// anonymous namespace
namespace
{
static bool findIndexInSendNodes(int nodeIndex, const std::vector<ProcessNeighbor27>& sendProcessNeighbor, int &indexOfProcessNeighborSend, int &indexInSendBuffer);
static void findEdgeNodesXY(int level, SPtr<Parameter> parameter);
static void findEdgeNodesXZ(int level, SPtr<Parameter> parameter);
static void findEdgeNodesYZ(int level, SPtr<Parameter> parameter);
} // namespace

#endif