public ParticleState Run(CancellationToken token = new CancellationToken())
{
if (SyncWithCpu)
{
PushGpuState();
PullCpuState();
}
var i = 0;
try
{
for (i = 0; i < Iterations; i++)
{
token.ThrowIfCancellationRequested();
if (evalLogger != null)
{
evalLogger.IncreaseGpuEvals(ParticlesCount);
}
RunUpdateVelocityKernel();
RunTransposeKernel();
if (!SyncWithCpu || i % SyncCounter != 0)
{
continue;
}
PushGpuState();
PullCpuState();
}
}
catch (OperationCanceledException ex)
{
}
HostPersonalBestValues = DevicePersonalBestValues;
HostPersonalBests = DevicePersonalBests;
var optimization = PsoServiceLocator.Instance.GetService <IOptimization <double[]> >();
var bestValue = optimization.WorstValue(1);
var bestInd = 0;
for (var j = 0; j < HostPersonalBestValues.Length; j++)
{
if (optimization.IsBetter(bestValue, new[] { HostPersonalBestValues[j] }) > 0)
{
bestInd = j;
bestValue = new[] { HostPersonalBestValues[j] };
}
}
var bestLoc = HostPersonalBests.Skip(DimensionsCount * bestInd).Take(DimensionsCount).ToArray();
return(new ParticleState(bestLoc, bestValue));
}
