public override MethodResult <int> Handle(int i)
{
Context.Cache.Set("result", i);
if (Increment2.IsNull() && Double.IsNull())
{
return(Increment.Inc(i));
}
return(i);
}
public static void Test()
{
const int invocationTestCount = 256;
const int iterations = 10000;
var switches = new Switch[invocationTestCount];
var virtuals = new Superclass[invocationTestCount];
Random random = new Random(5);
for (int i = 0; i < invocationTestCount; ++i)
{
var executionType = (ExecutionType)random.Next(12);
switches[i].Type = executionType;
switch (executionType)
{
case ExecutionType.Increment:
virtuals[i] = new Increment();
break;
case ExecutionType.Decrement:
virtuals[i] = new Decrement();
break;
case ExecutionType.LShift:
virtuals[i] = new LShift();
break;
case ExecutionType.RShift:
virtuals[i] = new RShift();
break;
case ExecutionType.Scramble1:
virtuals[i] = new Scramble1();
break;
case ExecutionType.Scramble2:
virtuals[i] = new Scramble2();
break;
case ExecutionType.Increment2:
virtuals[i] = new Increment2();
break;
case ExecutionType.Decrement2:
virtuals[i] = new Decrement2();
break;
case ExecutionType.LShift2:
virtuals[i] = new LShift2();
break;
case ExecutionType.RShift2:
virtuals[i] = new RShift2();
break;
case ExecutionType.Scramble12:
virtuals[i] = new Scramble12();
break;
case ExecutionType.Scramble22:
virtuals[i] = new Scramble22();
break;
}
}
int switchValue = 0;
int virtualValue = 0;
//Warmup.
for (int i = 0; i < invocationTestCount; ++i)
{
switches[i].Do(ref switchValue);
virtuals[i].Do(ref virtualValue);
}
var switchStart = Stopwatch.GetTimestamp();
for (int i = 0; i < iterations; ++i)
{
for (int j = 0; j < invocationTestCount; ++j)
{
switches[j].Do(ref switchValue);
switches[j].Do(ref switchValue);
switches[j].Do(ref switchValue);
switches[j].Do(ref switchValue);
switches[j].Do(ref switchValue);
switches[j].Do(ref switchValue);
switches[j].Do(ref switchValue);
switches[j].Do(ref switchValue);
switches[j].Do(ref switchValue);
switches[j].Do(ref switchValue);
}
}
var virtualStart = Stopwatch.GetTimestamp();
for (int i = 0; i < iterations; ++i)
{
for (int j = 0; j < invocationTestCount; ++j)
{
virtuals[j].Do(ref virtualValue);
virtuals[j].Do(ref virtualValue);
virtuals[j].Do(ref virtualValue);
virtuals[j].Do(ref virtualValue);
virtuals[j].Do(ref virtualValue);
virtuals[j].Do(ref virtualValue);
virtuals[j].Do(ref virtualValue);
virtuals[j].Do(ref virtualValue);
virtuals[j].Do(ref virtualValue);
virtuals[j].Do(ref virtualValue);
}
}
var virtualEnd = Stopwatch.GetTimestamp();
Console.WriteLine($"Switch time (ns): {1e9 * (virtualStart - switchStart) / (Stopwatch.Frequency * invocationTestCount * iterations * 10)}");
Console.WriteLine($"Virtual time (ns): {1e9 * (virtualEnd - virtualStart) / (Stopwatch.Frequency * invocationTestCount * iterations * 10)}");
Console.WriteLine($"Switch accumulator: {switchValue}, virtual accumulator: {virtualValue}");
}
