private static void ChunckProcessing(object param)
{
Console.WriteLine("[{0}] : {1}",
Thread.CurrentThread.ManagedThreadId,
Thread.CurrentThread.Name);
Stopwatch sp = new Stopwatch();
sp.Start();
ArrayProcessor chunck = (ArrayProcessor)param;
Console.WriteLine($"[{chunck.FirstIndex} - {chunck.LastIndex}]");
chunck.Process();
sp.Stop();
Console.WriteLine($"Each thread : {sp.ElapsedMilliseconds} ms");
}
static void Main(string[] args)
{
int numberOfCores = Environment.ProcessorCount;
Console.WriteLine($"ProcessorCount: {numberOfCores}\n");
Console.WriteLine("[{0}] : {1}",
Thread.CurrentThread.ManagedThreadId,
Thread.CurrentThread.Name);
double[] myData = new double[3030];
int arrayLength = myData.Length - 1;
ArrayProcessor array = new ArrayProcessor(myData, 0, arrayLength);
Stopwatch st = new Stopwatch();
st.Start();
// array.Process();
st.Stop();
Console.WriteLine($"{st.ElapsedMilliseconds}ms");
int chunckSize = arrayLength / numberOfCores;
int leftIndexes = arrayLength % numberOfCores;
ArrayProcessor[] arrayParts = new ArrayProcessor[numberOfCores];
Thread[] threads = new Thread[numberOfCores];
for (int i = 0; i < numberOfCores - 1; i++)
{
arrayParts[i] = new ArrayProcessor(myData, i * chunckSize,
(i + 1) * chunckSize);
threads[i] = new Thread(ChunckProcessing);
threads[i].Name = $"thread[{i}]";
threads[i].Start(arrayParts[i]);
//Thread can be initialized also the following way
//threads[i] = new Thread(arrayParts[i].Process);
//lines 50-54 can be written here
//if(i == numberOfCores -1)
//{
// //start the last thread here.
//}
}
int lastChunckIndex = numberOfCores - 1;
arrayParts[lastChunckIndex] = new ArrayProcessor(myData,
lastChunckIndex * chunckSize, (lastChunckIndex + 1) * chunckSize + leftIndexes);
threads[lastChunckIndex] = new Thread(ChunckProcessing);
threads[lastChunckIndex].Start(arrayParts[lastChunckIndex]);
Console.WriteLine(myData[lastChunckIndex]);
//TODO Add statement to wait all threads to finish before the main thread exits.
//int sum = 0;
//int count = 10;
//for (int i = 0; i < count; i++)
//{
// Thread thr = new Thread(Calculate);
// thr.Name = $"thread[{i}]";
// thr.Start(i);
// thr.Join();
//}
//Console.WriteLine($"Sum: {sum}");
//Console.WriteLine("[{0}] : {1}",
//Thread.CurrentThread.ManagedThreadId,
//Thread.CurrentThread.Name );
//Thread thread = new Thread(MyFunc);
////thread.IsBackground = false;
//thread.Name = "My thread";
//thread.Start();
Console.WriteLine("Main exit");
Console.ReadLine();
}
