private void do_timed(stopwatchdelegate func, int num_iterations)
{
// initialize the times to 0
long time_NeverUseThreads = 0;
long time_AlwaysUseThreads = 0;
long time_MaybeUseThreads = 0;
// run the tests
for (int i = 0; i < num_iterations; i++)
{
multicore.Mode = MultiCoreMode.AlwaysUseThreads;
time_AlwaysUseThreads += timeit(func);
multicore.Mode = MultiCoreMode.NeverUseThreads;
time_NeverUseThreads += timeit(func);
multicore.Mode = MultiCoreMode.UseThreadsIfMultipleProcessorsPresent;
time_MaybeUseThreads += timeit(func);
}
Console.WriteLine("ProcessorCount: {0}", System.Environment.ProcessorCount);
Console.WriteLine("NeverUseThreads: {0}", time_NeverUseThreads);
Console.WriteLine("AlwaysUseThreads: {0}", time_AlwaysUseThreads);
Console.WriteLine("MaybeUseThreads: {0}", time_MaybeUseThreads);
Console.WriteLine("Improvement: {0}%", (time_NeverUseThreads - time_AlwaysUseThreads) * 100 / time_NeverUseThreads);
}
private static long timeit(stopwatchdelegate func)
{
Stopwatch sw = new Stopwatch();
sw.Start();
func();
sw.Stop();
return(sw.ElapsedMilliseconds);
}
