private static (long sunEarth, long earthMoon, long marsPhobos, long marsDeimos, long earthMars, long RK4Time) RunRK4(int rK4steps, double rK4TimeStep)
{
system.Reset("system.json", rK4TimeStep);
stopwatch.Reset();
stopwatch.Start();
Thread[] threads = system.StartThreadsPerCoreRK(rK4steps);
foreach (Thread thread in threads)
{
thread.Join();
}
stopwatch.Stop();
long[] sun = system.SelectObject("Sun").Position;
long[] earth = system.SelectObject("Earth").Position;
long[] moon = system.SelectObject("Moon").Position;
long[] mars = system.SelectObject("Mars").Position;
long[] phobos = system.SelectObject("Phobos").Position;
long[] deimos = system.SelectObject("Deimos").Position;
long sunEarth = CalculateDistance(sun, earth);
long earthMoon = CalculateDistance(earth, moon);
long marsPhobos = CalculateDistance(mars, phobos);
long marsDeimos = CalculateDistance(mars, deimos);
long earthMars = CalculateDistance(earth, mars);
long RK4Time = stopwatch.ElapsedMilliseconds;
return(sunEarth, earthMoon, marsPhobos, marsDeimos, earthMars, RK4Time);
}
/// <summary>
/// Redraws UI in cycles with simulation running at maximum possible speed.
/// </summary>
/// <remarks>
/// <code>system.StartThreadsPerCoreWithLocker(token)</code> is hardcoded, as this method is optimalized for UI use.
/// Could use non-locked version, but will generate position artifacts with smaller view ranges.
/// </remarks>
/// <param name="token">Cancellation token to stop simulation</param>
private void AnimateThreaded(CancellationToken token)
{
timer = new DispatcherTimer
{
Interval = new TimeSpan(0, 0, 0, 0, 30)
};
timer.Tick += Timer_Tick;
lockers = system.StartThreadsPerCoreRK(token);
//lockers = system.StartThreadsPerCoreRK(token);
timer.Start();
}
public long RunThreadedRK()
{
stopwatch.Reset();
stopwatch.Start();
Thread[] threads = system.StartThreadsPerCoreRK(count);
foreach (Thread thread in threads)
{
thread.Join();
}
stopwatch.Stop();
return(stopwatch.ElapsedMilliseconds);
}
