UpdateGrid27.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.
//
//  VirtualFluids 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.
//
//  SPDX-License-Identifier: GPL-3.0-or-later
//  SPDX-FileCopyrightText: Copyright © VirtualFluids Project contributors, see AUTHORS.md in root folder
//
//=======================================================================================
#ifndef UPDATEGRID27_H
#define UPDATEGRID27_H
 
#include <vector>
 
#include "Cuda/CudaMemoryManager.h"
 
#include "Calculation/Calculation.h"
#include "Cuda/CudaStreamManager.h"
#include "Parameter/Parameter.h"
#include "Kernel/AdvectionDiffusionKernel.h"
 
namespace vf::parallel
{
class Communicator;
}
 
namespace vf::gpu {
 
class BoundaryConditionKernelManager;
class GridScalingKernelManager;
class Kernel;
class BoundaryConditionFactory;
class GridScalingFactory;
class TurbulenceModelFactory;
class TurbulenceModelManager;
class UpdateGrid27;
using CollisionStrategy = std::function<void (UpdateGrid27* updateGrid, Parameter* para, int level, unsigned int t)>;
using RefinementStrategy = std::function<void (UpdateGrid27* updateGrid, Parameter* para, int level)>;
 
 
class UpdateGrid27
{
public:
    UpdateGrid27(SPtr<Parameter> para, vf::parallel::Communicator& comm, SPtr<CudaMemoryManager> cudaMemoryManager, std::vector<SPtr<Kernel>>& kernels,
                 std::vector<SPtr<AdvectionDiffusionKernel>>& kernelsAD, const BoundaryConditionFactory* bcFactory,
                 SPtr<TurbulenceModelFactory> tmFactory, GridScalingFactory* scalingFactory);
    void updateGrid(int level, unsigned int t);
    void exchangeData(int level);
 
private:
    void collisionAllNodes(int level, unsigned int t);
    void collisionUsingIndices(int level, unsigned int t, uint *taggedFluidNodeIndices = nullptr, uint numberOfTaggedFluidNodes = 0, CollisionTemplate collisionTemplate = CollisionTemplate::Default, CudaStreamIndex streamIndex=CudaStreamIndex::Legacy);
 
    void postCollisionBC(int level, unsigned int t);
    void preCollisionBC(int level, unsigned int t);
 
    void fineToCoarse(int level, InterpolationCells* fineToCoarse, ICellNeigh &neighborFineToCoarse, CudaStreamIndex streamIndex);
    void coarseToFine(int level, InterpolationCells* coarseToFine, ICellNeigh &neighborCoarseToFine, CudaStreamIndex streamIndex);
 
    void prepareExchangeMultiGPU(int level, CudaStreamIndex streamIndex);
    void prepareExchangeMultiGPUAfterFtoC(int level, CudaStreamIndex streamIndex);
 
    void exchangeMultiGPU(int level, CudaStreamIndex streamIndex);
    void exchangeMultiGPUAfterFtoC(int level, CudaStreamIndex streamIndex);
    void exchangeMultiGPU_noStreams_withPrepare(int level, bool useReducedComm);
 
    void swapBetweenEvenAndOddTimestep(int level);
 
    void calcMacroscopicQuantities(int level);
    void calcTurbulentViscosity(int level);
    void interact(int level, unsigned int t);
    void sample(int level, unsigned int t);
 
private:
    CollisionStrategy collision;
    friend class CollisionAndExchange_noStreams_indexKernel;
    friend class CollisionAndExchange_noStreams_oldKernel;
    friend class CollisionAndExchange_streams;
    friend class CollisionAndExchange_noStreams_withReadWriteFlags;
 
    RefinementStrategy refinement;
    friend class RefinementAndExchange_streams_exchangeInterface;
    friend class RefinementAndExchange_streams_exchangeAllNodes;
    friend class RefinementAndExchange_noStreams_exchangeInterface;
    friend class RefinementAndExchange_noStreams_exchangeAllNodes;
    friend class Refinement_noExchange;
    friend class NoRefinement;
 
private:
    SPtr<Parameter> para;
    vf::parallel::Communicator& comm;
    SPtr<CudaMemoryManager> cudaMemoryManager;
    std::vector<SPtr<Kernel>> kernels;
    std::vector<std::shared_ptr<AdvectionDiffusionKernel>> kernelsAD;
    std::shared_ptr<BoundaryConditionKernelManager> bcKernelManager;
    std::shared_ptr<GridScalingKernelManager> gridScalingKernelManager;
    std::shared_ptr<TurbulenceModelManager> tmManager;
};
 
}
 
#endif