// Generates/returns an array of given size with randomly generated MobileObjects
public static MobileObject[] GenerateMobileObjects(int size)
{
Random rnd = new Random();
string[] names = new string[10] {
"Toast", "Toasty", "Toaster", "Cactus", "Notacactus", "Pancreas", "ToastMaster", "ToastApprentice", "NotToast", "Bread"
};
MobileObject[] mObjects = new MobileObject[size];
for (int i = 0; i < size; i++)
{
if (i % 2 == 1)
{
mObjects[i] = new NPC(rnd, names[i % names.Length], i, 1 + rnd.NextDouble() * 99, 1 + rnd.NextDouble() * 99, 1 + rnd.NextDouble() * 99);
}
else
{
mObjects[i] = new Vehicle(rnd, names[i % names.Length], i, 1 + rnd.NextDouble() * 99, 1 + rnd.NextDouble() * 99, 1 + rnd.NextDouble() * 99);
}
}
return(mObjects);
}
// Times inserting given number of objects into each tree, performs given number of trial and outputs average runtimes in MS
public static void TimingTest(int numElements, int numTrials)
{
MobileObject[] mObjects = GenerateMobileObjects(numElements);
MobileObject[] sortedObjects = new MobileObject[mObjects.Length];
mObjects.CopyTo(sortedObjects, 0);
Array.Sort(sortedObjects);
long elapsedTicBST = 0;
long elapsedTicBSTSorted = 0;
long elapsedTicAVL = 0;
long elapsedTicAVLSorted = 0;
long elapsedTicRedBlack = 0;
long elapsedTicRedBlackSorted = 0;
long elapsedTicSplay = 0;
long elapsedTicSplaySorted = 0;
long elapsedTic234 = 0;
long elapsedTic234Sorted = 0;
Console.WriteLine("-----------------------------------------------------------------------------------------------------------------");
Console.Write("Timing insertion of " + numElements + " elements(sorted and unsorted)");
for (int i = 1; i <= numTrials; i++)
{
BinarySearchTree <MobileObject> binarySearchTree = new BinarySearchTree <MobileObject>();
BinarySearchTree <MobileObject> binarySearchTree2 = new BinarySearchTree <MobileObject>();
AVLTree <MobileObject> avlTree = new AVLTree <MobileObject>();
AVLTree <MobileObject> avlTree2 = new AVLTree <MobileObject>();
RedBlackTree <MobileObject> redBlackTree = new RedBlackTree <MobileObject>();
RedBlackTree <MobileObject> redBlackTree2 = new RedBlackTree <MobileObject>();
SplayTree <MobileObject> splayTree = new SplayTree <MobileObject>();
SplayTree <MobileObject> splayTree2 = new SplayTree <MobileObject>();
BTree234 <MobileObject> _234Tree = new BTree234 <MobileObject>();
BTree234 <MobileObject> _234Tree2 = new BTree234 <MobileObject>();
Console.Write("\nTrial " + i + ":");
var watch = System.Diagnostics.Stopwatch.StartNew();
foreach (MobileObject obj in mObjects)
{
binarySearchTree.Insert(obj);
}
watch.Stop();
elapsedTicBST += watch.ElapsedTicks;
Console.Write(" .");
watch = System.Diagnostics.Stopwatch.StartNew();
foreach (MobileObject obj in sortedObjects)
{
binarySearchTree2.Insert(obj);
}
watch.Stop();
elapsedTicBSTSorted += watch.ElapsedTicks;
Console.Write(" .");
watch = System.Diagnostics.Stopwatch.StartNew();
foreach (MobileObject obj in mObjects)
{
avlTree.Insert(obj);
}
watch.Stop();
elapsedTicAVL += watch.ElapsedTicks;
Console.Write(" .");
watch = System.Diagnostics.Stopwatch.StartNew();
foreach (MobileObject obj in sortedObjects)
{
avlTree2.Insert(obj);
}
watch.Stop();
elapsedTicAVLSorted += watch.ElapsedTicks;
Console.Write(" .");
watch = System.Diagnostics.Stopwatch.StartNew();
foreach (MobileObject obj in mObjects)
{
redBlackTree.Insert(obj);
}
watch.Stop();
elapsedTicRedBlack += watch.ElapsedTicks;
Console.Write(" .");
watch = System.Diagnostics.Stopwatch.StartNew();
foreach (MobileObject obj in sortedObjects)
{
redBlackTree2.Insert(obj);
}
watch.Stop();
elapsedTicRedBlackSorted += watch.ElapsedTicks;
Console.Write(" .");
watch = System.Diagnostics.Stopwatch.StartNew();
foreach (MobileObject obj in mObjects)
{
splayTree.Insert(obj);
}
watch.Stop();
elapsedTicSplay += watch.ElapsedTicks;
Console.Write(" .");
watch = System.Diagnostics.Stopwatch.StartNew();
foreach (MobileObject obj in sortedObjects)
{
splayTree2.Insert(obj);
}
watch.Stop();
elapsedTicSplaySorted += watch.ElapsedTicks;
Console.Write(" .");
watch = System.Diagnostics.Stopwatch.StartNew();
foreach (MobileObject obj in mObjects)
{
_234Tree.Insert(obj);
}
watch.Stop();
elapsedTic234 += watch.ElapsedTicks;
Console.Write(" .");
watch = System.Diagnostics.Stopwatch.StartNew();
foreach (MobileObject obj in sortedObjects)
{
_234Tree2.Insert(obj);
}
watch.Stop();
elapsedTic234Sorted += watch.ElapsedTicks;
Console.Write(" .");
}
elapsedTicBST /= numTrials;
elapsedTicBSTSorted /= numTrials;
elapsedTicAVL /= numTrials;
elapsedTicAVLSorted /= numTrials;
elapsedTicRedBlack /= numTrials;
elapsedTicRedBlackSorted /= numTrials;
elapsedTicSplay /= numTrials;
elapsedTicSplaySorted /= numTrials;
elapsedTic234 /= numTrials;
elapsedTic234Sorted /= numTrials;
Console.WriteLine("\n{0, -55}" + elapsedTicBST + " MS"
+ "\n{1, -55}" + elapsedTicBSTSorted + " MS"
+ "\n{2, -55}" + elapsedTicAVL + " MS"
+ "\n{3, -55}" + elapsedTicAVLSorted + " MS"
+ "\n{4, -55}" + elapsedTicRedBlack + " MS"
+ "\n{5, -55}" + elapsedTicRedBlackSorted + " MS"
+ "\n{6, -55}" + elapsedTicSplay + " MS"
+ "\n{7, -55}" + elapsedTicSplaySorted + " MS"
+ "\n{8, -55}" + elapsedTic234 + " MS"
+ "\n{9, -55}" + elapsedTic234Sorted + " MS"
, "BinarySearchTree Insert " + numElements + " MobileObjects:"
, "BinarySearchTree Insert " + numElements + " MobileObjects(sorted):"
, "AVLTree Insert " + numElements + " MobileObjects:"
, "AVLTree Insert " + numElements + " MobileObjects (sorted):"
, "RedBlackTree Insert " + numElements + " MobileObjects:"
, "RedBlackTree Insert " + numElements + " MobileObjects (sorted):"
, "SplayTree Insert " + numElements + " MobileObjects:"
, "SplayTree Insert " + numElements + " MobileObjects (sorted):"
, "234Tree Insert " + numElements + " MobileObjects:"
, "234LTree Insert " + numElements + " MobileObjects (sorted):");
}
