static void Main()
{
Console.WriteLine("Hello TPL!");
var sw = new Stopwatch();
sw.Restart();
var cts = new CancellationTokenSource(5000);
var task = Primes.FromRangeAsync(1, 200_000, cts.Token);
try
{
var primes = task.Result;
sw.Stop();
var elapsed = sw.Elapsed;
Console.WriteLine($"Found {primes.Count} primes after {elapsed}");
}
catch (Exception e)
{
// ! Exception property is null for cancelled task !
Console.WriteLine($"Exception '{e}'.");
Console.WriteLine($"Task exception '{task.Exception}'.");
Console.WriteLine($"Task status {task.Status}.");
}
cts.Dispose();
}
private static async Task WorkloadAsync()
{
await Primes.FromRangeAsync(1, 100_000, CancellationToken.None);
Countdown.Signal();
await Task.Delay(10_000);
Primes.FromRange(1, 1_000);
}
private static async Task <List <int> > FromRangeAsync(int from, int to)
{
Console.WriteLine($"1.Thread Id: {Thread.CurrentThread.ManagedThreadId}");
await Task.Delay(1000).ConfigureAwait(false);
Console.WriteLine($"2.Thread Id: {Thread.CurrentThread.ManagedThreadId}");
await Task.Delay(1000);
Console.WriteLine($"3.Thread Id: {Thread.CurrentThread.ManagedThreadId}");
var result = await Primes.FromRangeAsync(from, to, CancellationToken.None);
Console.WriteLine($"4.Thread Id: {Thread.CurrentThread.ManagedThreadId}");
return(result);
}
static void Main()
{
Console.WriteLine("Hello TPL!");
var sw = new Stopwatch();
sw.Restart();
Task <List <int> > task = Primes.FromRangeAsync(7, 7, CancellationToken.None);
List <int> primes = task.Result;
sw.Stop();
var elapsed = sw.Elapsed;
Console.WriteLine($"Found {primes.Count} primes after {elapsed}");
}
static async Task Main()
{
Console.WriteLine("Hello Async!");
var sw = new Stopwatch();
sw.Restart();
var ct = CancellationToken.None;
List <int> primes1 = await Primes.FromRangeAsync(1, 100_000, ct);
List <int> primes2 = await Primes.FromRangeAsync(100_000, 150_000, ct);
List <int> primes3 = await Primes.FromRangeAsync(150_000, 200_000, ct);
int primes = primes1.Count + primes2.Count + primes3.Count;
sw.Stop();
var elapsed = sw.Elapsed;
Console.WriteLine($"Found {primes} primes after {elapsed}");
}
static async Task Main()
{
Console.WriteLine("Hello Async!");
var sw = new Stopwatch();
sw.Restart();
var ct = CancellationToken.None;
Task <List <int> > task1 = Primes.FromRangeAsync(1, 100_000, ct);
Task <List <int> > task2 = Primes.FromRangeAsync(100_000, 150_000, ct);
Task <List <int> > task3 = Primes.FromRangeAsync(150_000, 200_000, ct);
List <int>[] results = await Task.WhenAll(task1, task2, task3);
int primes = results.Sum(r => r.Count);
sw.Stop();
var elapsed = sw.Elapsed;
Console.WriteLine($"Found {primes} primes after {elapsed}");
}
