public static void Fit(this ITrainer trainer, int gens,
Func <bool> HasCtrlBreak)
{
if (trainer == null)
{
throw new ArgumentNullException(nameof(trainer));
}
Thread[] threads = new Thread[Environment.ProcessorCount * 2];
int numberOfRunningThreads = 0;
for (var t = 0; t < threads.Length; t++)
{
threads[t] = new Thread(() => {
Console.Write($"[{Thread.CurrentThread.ManagedThreadId}] started...\r\n");
Interlocked.Increment(ref numberOfRunningThreads);
try {
for (int iter = 0; iter < gens; iter++)
{
if (HasCtrlBreak != null && HasCtrlBreak())
{
break;
}
trainer.Fit(HasCtrlBreak);
Thread.Sleep(
70 + global::Random.Next(70));
}
} finally {
Interlocked.Decrement(ref numberOfRunningThreads);
}
Console.Write($"[{Thread.CurrentThread.ManagedThreadId}] stopped...\r\n");
});
}
foreach (var t in threads)
{
t.Start();
}
foreach (var t in threads)
{
t.Join();
}
Debug.Assert(numberOfRunningThreads == 0);
}