public void TestAcceleration()
{
var manager = new frManager(typeof(AccelerationProvider));
frType accelerationType = manager.Get(typeof(AccelerationType));
var instance = new AccelerationType();
instance.Field = 10;
CallCounts.Accelerated = 0;
accelerationType.GetDeclaredMethodsByName("Method")[0].Invoke(instance, null);
Assert.AreEqual(1, CallCounts.Accelerated);
CallCounts.Accelerated = 0;
Assert.AreEqual(10, accelerationType.GetDeclaredFieldByName("Field").Read <object>(instance));
Assert.AreEqual(1, CallCounts.Accelerated);
CallCounts.Accelerated = 0;
accelerationType.GetDeclaredFieldByName("Field").Write(ref instance, 20f);
Assert.AreEqual(20f, instance.Field);
Assert.AreEqual(1, CallCounts.Accelerated);
}
public void TestAccelerationPerformanceDifference()
{
if (!frConfig.HasJit)
{
return;
}
frConfig.HasJit = false;
frType reflectedMyBaseType = (new frManager()).Get(typeof(AccelerationType));
frMethod reflectedMethod = reflectedMyBaseType.GetDeclaredMethodsByName("Method")[0];
frField reflectedField = reflectedMyBaseType.GetDeclaredFieldByName("Field");
frConfig.HasJit = true;
frType jitMyBaseType = (new frManager()).Get(typeof(AccelerationType));
frMethod jitMethod = jitMyBaseType.GetDeclaredMethodsByName("Method")[0];
frField jitField = jitMyBaseType.GetDeclaredFieldByName("Field");
frType aotMyBaseType = (new frManager(typeof(AccelerationProvider))).Get(typeof(AccelerationType));
frMethod aotMethod = aotMyBaseType.GetDeclaredMethodsByName("Method")[0];
frField aotField = aotMyBaseType.GetDeclaredFieldByName("Field");
const int ITERATION_COUNT = 50000;
var instance = new AccelerationType();
// SECTION: Method calls.
{
var reflectedTime = Stopwatch.StartNew();
for (int i = 0; i < ITERATION_COUNT; ++i)
{
reflectedMethod.Invoke(instance, null);
}
reflectedTime.Stop();
var jitTime = Stopwatch.StartNew();
for (int i = 0; i < ITERATION_COUNT; ++i)
{
jitMethod.Invoke(instance, null);
}
jitTime.Stop();
var aotTime = Stopwatch.StartNew();
for (int i = 0; i < ITERATION_COUNT; ++i)
{
aotMethod.Invoke(instance, null);
}
aotTime.Stop();
Console.WriteLine(string.Format("Invoke method ticks: Reflected={0}, Jit={1}, Aot={2}", reflectedTime.ElapsedTicks, jitTime.ElapsedTicks, aotTime.ElapsedTicks));
UnityEngine.Debug.Log(string.Format("Invoke method ticks: Reflected={0}, Jit={1}, Aot={2}", reflectedTime.ElapsedTicks, jitTime.ElapsedTicks, aotTime.ElapsedTicks));
}
// SECTION: Field reads
{
var reflectedTime = Stopwatch.StartNew();
for (int i = 0; i < ITERATION_COUNT; ++i)
{
reflectedField.Read <float>(instance);
}
reflectedTime.Stop();
var jitTime = Stopwatch.StartNew();
for (int i = 0; i < ITERATION_COUNT; ++i)
{
jitField.Read <float>(instance);
}
jitTime.Stop();
var aotTime = Stopwatch.StartNew();
for (int i = 0; i < ITERATION_COUNT; ++i)
{
aotField.Read <float>(instance);
}
aotTime.Stop();
Console.WriteLine(string.Format("Read field ticks: Reflected={0}, Jit={1}, Aot={2}", reflectedTime.ElapsedTicks, jitTime.ElapsedTicks, aotTime.ElapsedTicks));
UnityEngine.Debug.Log(string.Format("Read field ticks: Reflected={0}, Jit={1}, Aot={2}", reflectedTime.ElapsedTicks, jitTime.ElapsedTicks, aotTime.ElapsedTicks));
// aot/jit should be at least 2x as fast as reflection
// It is usually a 5-10x performance difference, but there can be a lot of natural variation.
Assert.IsTrue(jitTime.ElapsedTicks * 2 < reflectedTime.ElapsedTicks);
Assert.IsTrue(aotTime.ElapsedTicks * 2 < reflectedTime.ElapsedTicks);
}
}