private static void RunMultithreaded(
RamDriverTest test, int numThreads, int firstId, int countPerInterval,
Action <RamDriverTest, int, object> threadAction)
{
Action <object> action = fid =>
{
RamDriverTest.SetThreadContext((int)fid);
for (var i = 0; i < 1; i++)
{
threadAction(test, countPerInterval, fid);
}
};
var threads = new Task[numThreads];
for (var i = 0; i < threads.Length; i++)
{
threads[i] = new Task(action, firstId + i * countPerInterval, TaskCreationOptions.LongRunning);
}
var timer = Stopwatch.StartNew();
for (var i = 0; i < threads.Length; i++)
{
threads[i].Start();
}
for (var i = 0; i < threads.Length; i++)
{
try
{
threads[i].Wait();
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
timer.Stop();
Console.WriteLine("Elapsed ms: {0,3}, rps: {1,3}", timer.ElapsedMilliseconds, countPerInterval * threads.Length * 1000.0 / timer.ElapsedMilliseconds);
//RamDriverTest.TestServiceContainer.StorageDriver.WriteDescriptor(RamDriverTest.TestServiceContainer.StorageDriver.GetDescriptor());
//RamDriverTest.TestServiceContainer.StorageDriver.FlushDataToStore();
}
private static void PerformanceTest()
{
var test = new RamDriverTest();
try
{
test.InitializeEmbeddedServer();
// warm-up
RunMultithreaded(test, 8, 1, 10, TestThreadAction);
Console.WriteLine("Press ENTER to start");
Console.ReadLine();
// now go
RamDriverTest.SetThreadContext(-1);
var count = 100000;
var numThreads = 8;
for (var i = 0; i < 5; i++)
{
test.DeleteRange(100000000, -1);
RunMultithreaded(test, numThreads, 1, count, TestThreadAction);
ShowCount(test);
}
test.DeleteRange(1000, 1000);
ShowCount(test);
}
finally
{
test.TestShutdown();
}
Console.WriteLine("Press ENTER to run full GC");
Console.ReadLine();
GC.Collect(2, GCCollectionMode.Forced, true);
GC.Collect(2, GCCollectionMode.Forced, true);
GC.Collect(2, GCCollectionMode.Forced, true);
Console.WriteLine("Press ENTER to exit");
Console.ReadLine();
}