public void PerformanceComparer()
{
var perf = new Stopwatch();
var opt = Stopwatch.IsHighResolution;
var list = Enumerable.Range(1, 2000000).ToList();
IKarateChop chopper = null;
int index = -1;
int searching = 2;
perf.Start();
chopper = new RecursionChopper();
index = chopper.Chop(searching, list);
perf.Stop();
Console.WriteLine(chopper.GetType().Name + " result=" + index + ": " + perf.ElapsedMilliseconds);
perf.Reset();
perf.Start();
chopper = new ProceduralChopper();
index = chopper.Chop(searching, list);
perf.Stop();
Console.WriteLine(chopper.GetType().Name + " result=" + index + ": " + perf.ElapsedMilliseconds);
perf.Reset();
perf.Start();
chopper = new FunctionalChopper();
index = chopper.Chop(searching, list);
perf.Stop();
Console.WriteLine(chopper.GetType().Name + " result=" + index + ": " + perf.ElapsedMilliseconds);
perf.Start();
chopper = new FunctionalChopper2();
index = chopper.Chop(searching, list);
perf.Stop();
Console.WriteLine(chopper.GetType().Name + " result=" + index + ": " + perf.ElapsedMilliseconds);
perf.Reset();
perf.Start();
chopper = new MapReduceChopper();
index = chopper.Chop(searching, list);
perf.Stop();
Console.WriteLine(chopper.GetType().Name + " result=" + index + ": " + perf.ElapsedMilliseconds);
perf.Reset();
perf.Start();
chopper = new BinaryTreeChopper();
index = chopper.Chop(searching, list);
perf.Stop();
Console.WriteLine(chopper.GetType().Name + " result=" + index + ": " + perf.ElapsedMilliseconds);
}
private static void TestChops(IKarateChop karate)
{
Assert.AreEqual(-1, karate.Chop(3, new int[] { }));
Assert.AreEqual(-1, karate.Chop(3, new int[] { 1 }));
Assert.AreEqual(0, karate.Chop(1, new int[] { 1 }));
Assert.AreEqual(0, karate.Chop(1, new int[] { 1, 3, 5 }));
Assert.AreEqual(1, karate.Chop(3, new int[] { 1, 3, 5 }));
Assert.AreEqual(2, karate.Chop(5, new int[] { 1, 3, 5 }));
Assert.AreEqual(-1, karate.Chop(0, new int[] { 1, 3, 5 }));
Assert.AreEqual(-1, karate.Chop(2, new int[] { 1, 3, 5 }));
Assert.AreEqual(-1, karate.Chop(4, new int[] { 1, 3, 5 }));
Assert.AreEqual(-1, karate.Chop(6, new int[] { 1, 3, 5 }));
Assert.AreEqual(0, karate.Chop(1, new int[] { 1, 3, 5, 7 }));
Assert.AreEqual(1, karate.Chop(3, new int[] { 1, 3, 5, 7 }));
Assert.AreEqual(2, karate.Chop(5, new int[] { 1, 3, 5, 7 }));
Assert.AreEqual(3, karate.Chop(7, new int[] { 1, 3, 5, 7 }));
Assert.AreEqual(-1, karate.Chop(0, new int[] { 1, 3, 5, 7 }));
Assert.AreEqual(-1, karate.Chop(2, new int[] { 1, 3, 5, 7 }));
Assert.AreEqual(-1, karate.Chop(4, new int[] { 1, 3, 5, 7 }));
Assert.AreEqual(-1, karate.Chop(6, new int[] { 1, 3, 5, 7 }));
Assert.AreEqual(-1, karate.Chop(8, new int[] { 1, 3, 5, 7 }));
Assert.AreEqual(0, karate.Chop(1, new int[] { 1, 2, 3, 5, 7, 11, 13, 17, 19 }));
Assert.AreEqual(1, karate.Chop(2, new int[] { 1, 2, 3, 5, 7, 11, 13, 17, 19 }));
Assert.AreEqual(2, karate.Chop(3, new int[] { 1, 2, 3, 5, 7, 11, 13, 17, 19 }));
Assert.AreEqual(3, karate.Chop(5, new int[] { 1, 2, 3, 5, 7, 11, 13, 17, 19 }));
Assert.AreEqual(4, karate.Chop(7, new int[] { 1, 2, 3, 5, 7, 11, 13, 17, 19 }));
Assert.AreEqual(5, karate.Chop(11, new int[] { 1, 2, 3, 5, 7, 11, 13, 17, 19 }));
Assert.AreEqual(6, karate.Chop(13, new int[] { 1, 2, 3, 5, 7, 11, 13, 17, 19 }));
Assert.AreEqual(7, karate.Chop(17, new int[] { 1, 2, 3, 5, 7, 11, 13, 17, 19 }));
Assert.AreEqual(8, karate.Chop(19, new int[] { 1, 2, 3, 5, 7, 11, 13, 17, 19 }));
Assert.AreEqual(-1, karate.Chop(-1, new int[] { 1, 2, 3, 5, 7, 11, 13, 17, 19 }));
Assert.AreEqual(-1, karate.Chop(15, new int[] { 1, 2, 3, 5, 7, 11, 13, 17, 19 }));
Assert.AreEqual(-1, karate.Chop(30, new int[] { 1, 2, 3, 5, 7, 11, 13, 17, 19 }));
}
