private static void multithread(int corecount, double[] data)
{
Stopwatch sw = new Stopwatch();
sw.Start();
ArrayProcessor[] ap = new ArrayProcessor[corecount];
Thread[] threads = new Thread[corecount];
int indexesperthread = data.Length / corecount;
int leftoverindex = data.Length % corecount;
for (int i = 0; i < corecount; i++)
{
int firstindex = i * indexesperthread;
int lastindex = firstindex + indexesperthread - 1;
if (i == corecount - 1)
{
lastindex += leftoverindex;
}
ap[i] = new ArrayProcessor(data, firstindex, lastindex);
threads[i] = new Thread(new ThreadStart(ap[i].computesum));
threads[i].Start();
}
double sum = 0.0;
for (int i = 0; i < corecount; i++)
{
threads[i].Join(); //wait for thread to exit
sum += ap[i].sum;
}
sw.Stop();
Console.WriteLine("Processor Count = {0}\nTotal sum = {1}\nTotal time taken = {2}", corecount, sum, sw.ElapsedMilliseconds);
}
private static void singlethread(int corecount, double[] data)
{
ArrayProcessor ap = new ArrayProcessor(data, 0, data.Length - 1);
Stopwatch sw = new Stopwatch();
sw.Start();
ap.computesum();
sw.Stop();
Console.WriteLine("Processor count = {2}\nTotal sum = {0} \nTotal time taken = {1}", ap.sum, sw.ElapsedMilliseconds, corecount);
}
