private static void CheckRunsProduceSameResults(CNSControl refControl, double differenceThreshold = 1e-16)
{
Debug.Assert(refControl.DynamicLoadBalancing_Period <= 0);
Debug.Assert(refControl.DynamicLoadBalancing_CellCostEstimatorFactories.Count == 0);
CNSControl loadBalControl = refControl.CloneAs();
loadBalControl.DynamicLoadBalancing_Period = REBALANCING_PERIOD;
loadBalControl.DynamicLoadBalancing_CellClassifier = new RandomCellClassifier(2);
loadBalControl.DynamicLoadBalancing_CellCostEstimatorFactories.Add((p, i) => new StaticCellCostEstimator(new[] { 1, 10 }));
loadBalControl.DynamicLoadBalancing_ImbalanceThreshold = 0.01;
//// TEST ONLY SUCCEEDS IF THESE LINES ARE IN
//loadBalControl.DynamicLoadBalancing_CellClassifier = new IndifferentCellClassifier();
//loadBalControl.DynamicLoadBalancing_CellCostEstimatorFactories.Clear();
//loadBalControl.DynamicLoadBalancing_CellCostEstimatorFactories.Add(CellCostEstimatorLibrary.AllCellsAreEqual);
Debug.Assert(loadBalControl.DynamicLoadBalancing_Period > 0);
Debug.Assert(loadBalControl.DynamicLoadBalancing_CellClassifier != null);
Debug.Assert(loadBalControl.DynamicLoadBalancing_CellCostEstimatorFactories.Count > 0);
Console.WriteLine("Run WITHOUT load balancing");
var refSolver = new ShockTubeLoadBalancingTests();
refSolver.Init(refControl, commandLineOptions);
refSolver.RunSolverMode();
Console.WriteLine("Run WITH load balancing");
var loadBalSolver = new ShockTubeLoadBalancingTests();
loadBalSolver.Init(loadBalControl, commandLineOptions);
loadBalSolver.RunSolverMode();
// To be able to compare errors without using the databse, we to
// agree on a single grid partitioning in the end -> use ref
Console.WriteLine("Transfering load balancing data to reference grid");
var refPartitioning = new int[loadBalSolver.GridData.Cells.NoOfLocalUpdatedCells];
for (int i = 0; i < refSolver.GridData.CellPartitioning.TotalLength; i++)
{
int localIndex = loadBalSolver.GridData.CellPartitioning.TransformIndexToLocal(i);
if (localIndex >= 0 && localIndex < loadBalSolver.GridData.Cells.NoOfLocalUpdatedCells)
{
refPartitioning[localIndex] = refSolver.GridData.CellPartitioning.FindProcess(i);
}
}
loadBalSolver.MpiRedistributeAndMeshAdapt(
int.MinValue,
double.MinValue,
refPartitioning,
refSolver.GridData.CurrentGlobalIdPermutation);
CompareErrors(refSolver.WorkingSet, loadBalSolver.WorkingSet, differenceThreshold);
}
private static void CheckRunsProduceSameResults(CNSControl refControl, double differenceThreshold = 1e-13, bool hilbert = true)
{
Debug.Assert(refControl.DynamicLoadBalancing_Period <= 0);
Debug.Assert(refControl.DynamicLoadBalancing_CellCostEstimatorFactories.Count == 0);
CNSControl loadBalControl = refControl.CloneAs();
loadBalControl.DynamicLoadBalancing_On = true;
loadBalControl.DynamicLoadBalancing_Period = REBALANCING_PERIOD;
loadBalControl.DynamicLoadBalancing_ImbalanceThreshold = 0.01;
//if (loadBalControl.ExplicitScheme is ExplicitSchemes.LTS) {
// loadBalControl.DynamicLoadBalancing_CellClassifier = new LTSCellClassifier();
// loadBalControl.DynamicLoadBalancing_CellCostEstimatorFactories.AddRange(LTSCellCostEstimator.Factory(loadBalControl.NumberOfSubGrids));
//} else {
loadBalControl.DynamicLoadBalancing_CellClassifier = new RandomCellClassifier(2);
loadBalControl.DynamicLoadBalancing_CellCostEstimatorFactories.Add((p, i) => new StaticCellCostEstimator(new[] { 1, 10 }));
//}
//// TEST ONLY SUCCEEDS IF THESE LINES ARE IN
//loadBalControl.DynamicLoadBalancing_CellClassifier = new IndifferentCellClassifier();
//loadBalControl.DynamicLoadBalancing_CellCostEstimatorFactories.Clear();
//loadBalControl.DynamicLoadBalancing_CellCostEstimatorFactories.Add(CellCostEstimatorLibrary.AllCellsAreEqual);
Debug.Assert(loadBalControl.DynamicLoadBalancing_On == true);
Debug.Assert(loadBalControl.DynamicLoadBalancing_Period > 0);
Debug.Assert(loadBalControl.DynamicLoadBalancing_CellClassifier != null);
Debug.Assert(loadBalControl.DynamicLoadBalancing_CellCostEstimatorFactories.Count > 0);
ShockTubeLoadBalancingTests hilbertSolver = null;
List <IProgram <CNSControl> > loadBalSolvers = new List <IProgram <CNSControl> >();
if (hilbert)
{
CNSControl hilbertControl = loadBalControl.CloneAs();
hilbertControl.GridPartType = GridPartType.Hilbert;
Console.WriteLine("\nRun WITH load balancing (clusterHilbert)");
hilbertSolver = new ShockTubeLoadBalancingTests();
hilbertSolver.Init(hilbertControl);
hilbertSolver.RunSolverMode();
loadBalSolvers.Add(hilbertSolver);
}
Console.WriteLine("Run WITHOUT load balancing");
var refSolver = new ShockTubeLoadBalancingTests();
refSolver.Init(refControl);
refSolver.RunSolverMode();
Console.WriteLine("\nRun WITH load balancing");
var metisSolver = new ShockTubeLoadBalancingTests();
metisSolver.Init(loadBalControl);
metisSolver.RunSolverMode();
loadBalSolvers.Add(metisSolver);
// To be able to compare errors without using the database, we need to
// agree on a single grid partitioning in the end -> use ref
//Console.WriteLine("Transfering load balancing data to reference grid");
//var refPartitioning = new int[loadBalSolver.GridData.Cells.NoOfLocalUpdatedCells];
//for (int i = 0; i < refSolver.GridData.CellPartitioning.TotalLength; i++) {
// int localIndex = loadBalSolver.GridData.CellPartitioning.TransformIndexToLocal(i);
// if (localIndex >= 0 && localIndex < loadBalSolver.GridData.Cells.NoOfLocalUpdatedCells) {
// refPartitioning[localIndex] = refSolver.GridData.CellPartitioning.FindProcess(i);
// }
//}
//loadBalSolver.MpiRedistributeAndMeshAdapt(
// int.MinValue,
// double.MinValue,
// refPartitioning,
// refSolver.GridData.CurrentGlobalIdPermutation);
//if (!twoD) {
// CompareErrors(refSolver.WorkingSet, loadBalSolver.WorkingSet, differenceThreshold);
//}
CompareNorms(refSolver, loadBalSolvers, differenceThreshold);
try {
refSolver.Dispose();
} catch (Exception) { }
foreach (var s in loadBalSolvers)
{
try {
s.Dispose();
} catch (Exception) { }
}
}
