LBPM/tests/lbpm_freelee_simulator.cpp
2021-06-09 16:41:36 -04:00

96 lines
3.3 KiB
C++

#include <exception>
#include <fstream>
#include <iostream>
#include <stdexcept>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include "common/Utilities.h"
#include "models/FreeLeeModel.h"
#include "analysis/FreeEnergy.h"
//*******************************************************************
// Implementation of Free-Energy Two-Phase LBM (Lee model)
//*******************************************************************
int main( int argc, char **argv )
{
// Initialize
Utilities::startup( argc, argv );
// Load the input database
auto db = std::make_shared<Database>( argv[1] );
{ // Limit scope so variables that contain communicators will free before MPI_Finialize
Utilities::MPI comm( MPI_COMM_WORLD );
int rank = comm.getRank();
int nprocs = comm.getSize();
if (rank == 0){
printf("********************************************************\n");
printf("Running Free Energy Lee LBM \n");
printf("********************************************************\n");
}
// Initialize compute device
int device=ScaLBL_SetDevice(rank);
NULL_USE( device );
ScaLBL_DeviceBarrier();
comm.barrier();
PROFILE_ENABLE(1);
//PROFILE_ENABLE_TRACE();
//PROFILE_ENABLE_MEMORY();
PROFILE_SYNCHRONIZE();
PROFILE_START("Main");
Utilities::setErrorHandlers();
auto filename = argv[1];
ScaLBL_FreeLeeModel LeeModel( rank,nprocs,comm );
LeeModel.ReadParams( filename );
LeeModel.SetDomain();
LeeModel.ReadInput();
LeeModel.Create_TwoFluid();
FreeEnergyAnalyzer Analysis(LeeModel.Dm);
LeeModel.Initialize_TwoFluid();
/*** RUN MAIN TIMESTEPS HERE ************/
double MLUPS=0.0;
int timestep = 0;
int visualization_time = LeeModel.timestepMax;
if (LeeModel.vis_db->keyExists( "visualization_interval" )){
visualization_time = LeeModel.vis_db->getScalar<int>( "visualization_interval" );
timestep += visualization_time;
}
while (LeeModel.timestep < LeeModel.timestepMax){
MLUPS = LeeModel.Run_TwoFluid(timestep);
if (rank==0) printf("Lattice update rate (per MPI process)= %f MLUPS \n", MLUPS);
Analysis.WriteVis(LeeModel,LeeModel.db, timestep);
timestep += visualization_time;
}
LeeModel.WriteDebug_TwoFluid();
if (rank==0) printf("********************************************************\n");
if (rank==0) printf("Lattice update rate (per core)= %f MLUPS \n", MLUPS);
MLUPS *= nprocs;
if (rank==0) printf("Lattice update rate (total)= %f MLUPS \n", MLUPS);
if (rank==0) printf("********************************************************\n");
// ************************************************************************
PROFILE_STOP("Main");
auto file = db->getWithDefault<std::string>( "TimerFile", "lbpm_freelee_simulator" );
auto level = db->getWithDefault<int>( "TimerLevel", 1 );
NULL_USE(level);
PROFILE_SAVE( file,level );
// ****************************************************
} // Limit scope so variables that contain communicators will free before MPI_Finialize
Utilities::shutdown();
return 0;
}