private static void TypeStringDictionaryDispatch()
{
var types = ITest__MessageTable.GetMessageTypes();
var msgLength = Math.Min(MessageCycle, types.GetLength(0));
var table = new Dictionary <string, Action <object> >();
for (int i = 0; i < msgLength; i++)
{
table[types[i, 0].FullName] = (msg) => { };
}
RunTest("TypeStringDictionaryDispatch", msg =>
{
Action <object> handler;
if (table.TryGetValue(msg.GetType().FullName, out handler))
{
handler(msg);
}
});
}
private static void TypeDictionaryDispatch()
{
var types = ITest__MessageTable.GetMessageTypes();
var msgLength = Math.Min(MessageCycle, types.GetLength(0));
// http://www.dotnetperls.com/dictionary-optimization
var table = new Dictionary <Type, Action <object> >(msgLength * 5);
for (int i = 0; i < msgLength; i++)
{
table[types[i, 0]] = (msg) => { };
}
RunTest("TypeDictionaryDispatch", msg =>
{
Action <object> handler;
if (table.TryGetValue(msg.GetType(), out handler))
{
handler(msg);
}
});
}
private static void RunTest(string testName, Action <object> test)
{
var types = ITest__MessageTable.GetMessageTypes();
var msgs = new object[Math.Min(MessageCycle, types.GetLength(0))];
for (var i = 0; i < msgs.Length; i++)
{
msgs[i] = Activator.CreateInstance(types[i, 0]);
}
var sw = Stopwatch.StartNew();
for (var i = 0; i < TestCount; i++)
{
test(msgs[i % msgs.Length]);
}
sw.Stop();
var elapsed = sw.ElapsedMilliseconds;
var unit = (double)elapsed * 1000000 / TestCount;
Console.WriteLine($"{testName,-30} {elapsed,6} ms {unit,2} ps");
}
