static async Task ManyProducersManyConsumers(Stopwatch stopWatch, HardWorker worker, string[] textsToProcess)
{
stopWatch.Start();
Console.WriteLine($"Let's start with N:N {nameof(Producer)} and {nameof(Consumer)}");
var channel = Channel.CreateUnbounded <string>();
var producer1 = new Producer(channel.Writer);
var producer2 = new Producer(channel.Writer);
var producer3 = new Producer(channel.Writer);
var producer4 = new Producer(channel.Writer);
var producer5 = new Producer(channel.Writer);
var consumer1 = new Consumer(channel.Reader, worker);
var consumer2 = new Consumer(channel.Reader, worker);
var consumer3 = new Consumer(channel.Reader, worker);
var producerTask1 = producer1.WriteMessage(textsToProcess[0]);
var producerTask2 = producer2.WriteMessage(textsToProcess[1]);
var producerTask3 = producer3.WriteMessage(textsToProcess[2]);
var producerTask4 = producer4.WriteMessage(textsToProcess[3]);
var producerTask5 = producer5.WriteMessage(textsToProcess[4]);
var consumerTask1 = consumer1.ProcessMessage();
var consumerTask2 = consumer2.ProcessMessage();
var consumerTask3 = consumer3.ProcessMessage();
await Task.WhenAll(producerTask1, producerTask2, producerTask3, producerTask4, producerTask5).ContinueWith(_ => channel.Writer.Complete());
await Task.WhenAll(consumerTask1, consumerTask2, consumerTask3);
stopWatch.Stop();
Console.WriteLine($"Processing is done for N:N {nameof(Producer)} and {nameof(Consumer)}. Time: {stopWatch.Elapsed.Minutes}:{stopWatch.Elapsed.Seconds}:{stopWatch.Elapsed.Milliseconds}");
}
static async Task SimpleOneByOneProcessing(Stopwatch stopWatch, HardWorker worker, string[] textsToProcess)
{
Console.WriteLine($"Let's start with {nameof(OldGoodProcessor)}");
var oldGoodProcessor = new OldGoodProcessor(textsToProcess, worker);
await foreach (var processedText in oldGoodProcessor.ProcessOneByOneAsync())
{
}
stopWatch.Stop();
Console.WriteLine($"Processing is done for {nameof(oldGoodProcessor)} {stopWatch.Elapsed.Minutes}:{stopWatch.Elapsed.Seconds}:{stopWatch.Elapsed.Milliseconds}");
}
static async Task Main(string[] args)
{
var stopWatch = new Stopwatch();
stopWatch.Start();
var textsToProcess = new string [] { "some_text_1", "some_text2", "some_text3", "some_text4", "some_text5" };
var worker = new HardWorker();
await SimpleOneByOneProcessing(stopWatch, worker, textsToProcess);
stopWatch.Restart();
await ManyProducersOneConsumer(stopWatch, worker, textsToProcess);
stopWatch.Restart();
await ManyProducersManyConsumers(stopWatch, worker, textsToProcess);
}
public Consumer(ChannelReader <string> reader, HardWorker worker)
{
_reader = reader;
_worker = worker;
}
internal OldGoodProcessor(string[] texts, HardWorker worker)
{
_texts = texts;
_worker = worker;
}