public void ComparePerformance <E>(List <E> listArray, E [] csArr, DynamicIntArray <E> dynArr) where E : IComparable
{
// Will Compare performance by searching element..
// All the elements will have same data and size.. Fair to Compare.
int index;
Random rand = new Random();
E find = csArr[rand.Next(900000, 1000000)]; // picks one element on random but from almost end so that it takes time
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
index = Array.IndexOf(csArr, find);
stopwatch.Stop();
long ts = stopwatch.ElapsedMilliseconds;
Console.WriteLine("C# Array\nIndex " + index + "\nTime : " + ts + "Milliseconds\n");
ts = 0;
stopwatch.Reset();
stopwatch.Restart();
index = listArray.IndexOf(find);
stopwatch.Stop();
ts = stopwatch.ElapsedMilliseconds;
Console.WriteLine("List\nIndex " + index + "\nTime : " + ts + " Milliseconds\n");
ts = 0;
stopwatch.Reset();
stopwatch.Restart();
index = dynArr.IndexOf(find);
stopwatch.Stop();
ts = stopwatch.ElapsedMilliseconds;
Console.WriteLine("Dynamic Array\nIndex " + index + "\nTime : " + ts + " Milliseconds");
}
static void Main(string[] args)
{
int oneMill = 1000000;
DynamicIntArray Darr = new DynamicIntArray(oneMill);
int [] Carray = new int [oneMill];
ArrayList Aarray = new ArrayList(oneMill);
List <int> Larray = new List <int>(oneMill);
Random rand = new Random();
for (int i = 0; i < oneMill; i++)
{
int r = rand.Next(10000);
Carray[i] = r;
Aarray.Add(r);
Larray.Add(r);
Darr.Add(r);
}
// Traversal
int sum = 0;
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
foreach (int i in Carray)
{
sum = sum + i;
}
stopWatch.Stop();
long ts = stopWatch.ElapsedMilliseconds;
Console.WriteLine("C# Array : Sum " + sum + " Time " + ts + " MilliSeconds");
// Console.WriteLine(sum + " " + seconds *1000000 + " " );
// Console.WriteLine(date2.Subtract(date1).TotalMilliseconds.ToString());
stopWatch.Reset();
ts = 0;
sum = 0;
stopWatch.Start();
foreach (int i in Aarray)
{
sum = sum + i;
}
stopWatch.Stop();
ts = stopWatch.ElapsedMilliseconds;
Console.WriteLine("ArrayList : Sum " + sum + " Time " + ts + " MilliSeconds");
stopWatch.Reset();
sum = 0;
ts = 0;
stopWatch.Start();
foreach (int i in Larray)
{
sum = sum + i;
}
stopWatch.Stop();
ts = stopWatch.ElapsedMilliseconds;
Console.WriteLine("LIST : Sum " + sum + " Time " + ts + " MilliSeconds");
stopWatch.Reset();
sum = 0;
ts = 0;
stopWatch.Start();
for (int i = 0; i < oneMill; i++)
{
sum = sum + Darr.Get(i);
}
stopWatch.Stop();
ts = stopWatch.ElapsedMilliseconds;
Console.WriteLine("DynamicIntArray : Sum " + sum + " Time " + ts + " MilliSeconds");
int[] fiveRand = new int[5];
for (int i = 0; i < 5; i++)
{
Console.WriteLine(rand.Next(995082, oneMill));
fiveRand[i] = Darr.Get(rand.Next(999175, oneMill)); // indexes random number between 0 and 1 million adds value at that position to array
}
for (int i = 0; i < 5; i++)
{
// For C# Array
ts = 0;
stopWatch.Reset();
stopWatch.Start();
Array.IndexOf(Carray, fiveRand[i]);
stopWatch.Stop();
ts = stopWatch.ElapsedMilliseconds;
Console.WriteLine("Time taken to Search " + fiveRand[i] + " in C# Array : " + ts);
// For ArrayList
ts = 0;
stopWatch.Reset();
stopWatch.Start();
Aarray.IndexOf(fiveRand[i]);
stopWatch.Stop();
ts = stopWatch.ElapsedMilliseconds;
Console.WriteLine("Time taken to Search " + fiveRand[i] + " in Linked List : " + ts);
// For List
ts = 0;
stopWatch.Reset();
stopWatch.Start();
Larray.IndexOf(fiveRand[i]);
stopWatch.Stop();
ts = stopWatch.ElapsedMilliseconds;
Console.WriteLine("Time taken to Search " + fiveRand[i] + " in Linked List : " + ts);
// For List
ts = 0;
stopWatch.Reset();
stopWatch.Start();
Darr.IndexOf(fiveRand[i]);
stopWatch.Stop();
ts = stopWatch.ElapsedMilliseconds;
Console.WriteLine("Time taken to Search " + fiveRand[i] + " in Linked List : " + ts);
Console.WriteLine("\n\n\n");
}
}