static void Main(string[] args)
{
// Print starting message
Console.WriteLine("Starting tests for MergeSort vs Threaded MergeSort.");
// Declare variables needed
List <int> listLengths = new List <int> {
8, 64, 256, 1024
};
long startTime = 0, endTime = 0;
foreach (int length in listLengths)
{
// 1. Create the randomized list
List <int> toBeSorted = new List <int>(length); // create list with initial capacity 'length'
RandomIntListGenerator.Fill(ref toBeSorted, 0, Int32.MaxValue); // randomly fill list with values from 0 to Int32.MaxValue
List <int> toBeSorted2 = new List <int>(toBeSorted); // create identical copy
// 2. Test the different sorting methods for each 'length'
// declare sorting objects
MergeSort <int> mergeSort = new MergeSort <int>();
ThreadedMergeSort <int> threadedMergeSort = new ThreadedMergeSort <int>();
// print starting message
Console.WriteLine(String.Format("Sorting for size {0}.", length));
// time the sort
startTime = DateTimeOffset.Now.ToUnixTimeMilliseconds();
mergeSort.Sort(toBeSorted);
endTime = DateTimeOffset.Now.ToUnixTimeMilliseconds();
// print off the sorting's time
Console.WriteLine(String.Format("\tNormal Sort Time: {0} ms", endTime - startTime));
// print list for debugging to see if it's actually sorted
//printList(toBeSorted);
// time the threaded sort
startTime = DateTimeOffset.Now.ToUnixTimeMilliseconds();
threadedMergeSort.Sort(toBeSorted2);
endTime = DateTimeOffset.Now.ToUnixTimeMilliseconds();
// print off the threaded sorting's time
Console.WriteLine(String.Format("\tThreaded Sort Time: {0} ms", endTime - startTime));
// print list for debugging to see if it's actually sorted
//printList(toBeSorted2);
}
}
static void Main(string[] args)
{
List <int> unsorted = new List <int>();
List <int> sorted;
List <int> unsortedList = new List <int>();
//number of threads
int numbers = 2000;
int[] unsortedThreadedList = new int[numbers];
Stopwatch stopWatch1 = new Stopwatch();
Stopwatch stopWatch2 = new Stopwatch();
Random random = new Random();
//generate random number list to sort
Console.WriteLine("Original array elements:");
for (int i = 0; i < numbers; i++)
{
int newVal = random.Next(0, numbers * 2);
unsorted.Add(newVal);
unsortedList.Add(newVal);
unsortedThreadedList[i] = newVal;
//Uncomment to see unsorted numbers
// Console.Write(unsorted[i] + " ");
}
Console.WriteLine("\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
stopWatch1.Start();
MergeSort mergesort = new MergeSort(unsorted);
TimeSpan ts = stopWatch1.Elapsed;
string elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}",
ts.Hours, ts.Minutes, ts.Seconds,
ts.Milliseconds / 10);
Console.WriteLine("\nRunTime For Unthreaded: " + elapsedTime + "\n");
sorted = mergesort.Mresult;
Console.WriteLine("Sorted array elements: ");
//Uncomment loop to see sorted numbers
foreach (int x in sorted)
{
Console.Write(x + " ");
}
Console.WriteLine("\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
stopWatch2.Start();
ThreadedMergeSort threadedMergesort = new ThreadedMergeSort(unsortedThreadedList);
TimeSpan tsThreaded = stopWatch2.Elapsed;
int[] threadedSorted = new int[unsortedThreadedList.Length];
threadedSorted = threadedMergesort.Mnums;
string ThreadedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}",
tsThreaded.Hours, tsThreaded.Minutes, tsThreaded.Seconds,
tsThreaded.Milliseconds / 10);
Console.WriteLine("\nRunTime For threaded: " + ThreadedTime + "\n");
Console.WriteLine("Threaded based Sorted array elements: ");
//Uncomment loop to see sorted numbers
for (int i = 0; i < threadedSorted.Length; i++)
{
Console.Write(threadedSorted[i] + " ");
}
Console.Write("\n\nApplication has finished, press any key to continue \n\n");
Console.ReadKey();
}