private static void SpeedTest()
{
s_segmentSize = 1_000;
s_iterations = 50_000_000;
Print($"Speed test: 1 thread rent and return {s_segmentSize} segment size {s_iterations} times");
s_arraySegmentPool = new ArraySegmentPool <byte>(s_segmentSize, 1, 1);
Stopwatch Stopwatch = new Stopwatch();
Stopwatch.Start();
for (int i = 1; i <= s_iterations; i++)
{
ArraySegment <byte> arraySegment = s_arraySegmentPool.DangerousRent();
arraySegment[0] = 1;
s_arraySegmentPool.Return(ref arraySegment);
}
Print($"Elapsed:{Stopwatch.ElapsedMilliseconds}ms. Capacity:{s_arraySegmentPool.Capacity} Count:{s_arraySegmentPool.Count} Fails:{s_arraySegmentPool.FailsCount}", ConsoleColor.Yellow);
if (s_arraySegmentPool.Capacity == 1 & s_arraySegmentPool.Count == 0 & s_arraySegmentPool.FailsCount == 0)
{
Print("TEST PASSED", ConsoleColor.Green);
}
else
{
Print("TEST FAILED", ConsoleColor.Red);
}
}
private static void TrimTest()
{
s_segmentSize = 1_000;
s_iterations = 2_147_483;
Print($"Trim test: 1 thread rent size:{s_segmentSize} x{s_iterations} times, return all, trim");
Stopwatch Stopwatch = new Stopwatch();
Stopwatch.Start();
List <ArraySegment <byte> > List = new List <ArraySegment <byte> >(s_iterations);
s_arraySegmentPool = new ArraySegmentPool <byte>(s_segmentSize, 1, s_iterations);
for (int i = 1; i <= s_iterations; i++)
{
List.Add(s_arraySegmentPool.DangerousRent());
}
Print($"Rent finished. Elapsed:{Stopwatch.ElapsedMilliseconds}ms. Capacity:{s_arraySegmentPool.Capacity} Count:{s_arraySegmentPool.Count} Fails:{s_arraySegmentPool.FailsCount}");
for (int i = 0; i < List.Count; i++)
{
ArraySegment <byte> ArraySegment = List[i];
s_arraySegmentPool.Return(ref ArraySegment);
}
List.Clear();
Print($"Return finished. Elapsed:{Stopwatch.ElapsedMilliseconds}ms. Capacity:{s_arraySegmentPool.Capacity} Count:{s_arraySegmentPool.Count} Fails:{s_arraySegmentPool.FailsCount}");
s_arraySegmentPool.TrimExcess();
Print($"Trim finished. Elapsed:{Stopwatch.ElapsedMilliseconds}ms. Capacity:{s_arraySegmentPool.Capacity} Count:{s_arraySegmentPool.Count} Fails:{s_arraySegmentPool.FailsCount}");
Print($"Elapsed:{Stopwatch.ElapsedMilliseconds}ms. Capacity:{s_arraySegmentPool.Capacity} Count:{s_arraySegmentPool.Count} Fails:{s_arraySegmentPool.FailsCount}", ConsoleColor.Yellow);
if (s_arraySegmentPool.Capacity == 1 & s_arraySegmentPool.Count == 0 & s_arraySegmentPool.FailsCount == 0)
{
Print("TEST PASSED", ConsoleColor.Green);
}
else
{
Print("TEST FAILED", ConsoleColor.Red);
}
}
private static void SliceTest()
{
s_segmentSize = 100;
s_iterations = 0;
Print($"Slice test: 1 thread rent size:{s_segmentSize}, check, slice, return, check");
Stopwatch Stopwatch = new Stopwatch();
Stopwatch.Start();
s_arraySegmentPool = new ArraySegmentPool <byte>(s_segmentSize, 10);
bool IsError = false;
ArraySegment <byte> ArraySegment;
try
{
//case 1
ArraySegment = s_arraySegmentPool.DangerousRent().Slice(0, s_segmentSize);
Print($"Segment taken from region:{Array.FindIndex(s_arraySegmentPool.UnderlyingLayoutArray, PredicateFindOne)} ArraySegment.Slice(0, _segment_size)");
if (ReturnAndCheck(ref ArraySegment) == false)
{
IsError = true;
return;
}
//case 2
ArraySegment = s_arraySegmentPool.DangerousRent().Slice(s_segmentSize / 2, s_segmentSize / 2);
Print($@"Segment taken from region:{Array.FindIndex(s_arraySegmentPool.UnderlyingLayoutArray, PredicateFindOne)} ArraySegment.Slice(_segment_size / 2, _segment_size / 2)");
if (ReturnAndCheck(ref ArraySegment) == false)
{
IsError = true;
return;
}
//case 3
ArraySegment = s_arraySegmentPool.DangerousRent().Slice(s_segmentSize, 0);
Print($"Segment taken from region:{Array.FindIndex(s_arraySegmentPool.UnderlyingLayoutArray, PredicateFindOne)} ArraySegment.Slice(_segment_size, 0)");
if (ReturnAndCheck(ref ArraySegment) == false)
{
IsError = false;
}
else
{
IsError = true; //Slice ArraySegment to zero not permitted!
return;
}
}
finally
{
Print($"Elapsed:{Stopwatch.ElapsedMilliseconds}ms. Capacity:{s_arraySegmentPool.Capacity} Count:{s_arraySegmentPool.Count} Fails:{s_arraySegmentPool.FailsCount}", ConsoleColor.Yellow);
if (IsError == false & s_arraySegmentPool.Capacity == 10 & s_arraySegmentPool.Count == 1 & s_arraySegmentPool.FailsCount == 0)
{
Print("TEST PASSED", ConsoleColor.Green);
}
else
{
Print("TEST FAILED", ConsoleColor.Red);
}
}
}
private static void StressTest()
{
s_segmentSize = 1_000;
s_iterations = 1_000_000;
Print($"Speed test: 6 threads rent, copy, copy, check and return {s_segmentSize} segment size {s_iterations} times");
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
s_arraySegmentPool = new ArraySegmentPool <byte>(s_segmentSize, 1, 1_000);
System.Threading.Thread thread1 = new System.Threading.Thread(StressTestWorker)
{
IsBackground = true
};
System.Threading.Thread thread2 = new System.Threading.Thread(StressTestWorker)
{
IsBackground = true
};
System.Threading.Thread thread3 = new System.Threading.Thread(StressTestWorker)
{
IsBackground = true
};
System.Threading.Thread thread4 = new System.Threading.Thread(StressTestWorker)
{
IsBackground = true
};
System.Threading.Thread thread5 = new System.Threading.Thread(StressTestWorker)
{
IsBackground = true
};
System.Threading.Thread thread6 = new System.Threading.Thread(StressTestWorker)
{
IsBackground = true
};
thread1.Start(1);
thread2.Start(2);
thread3.Start(3);
thread4.Start(4);
thread5.Start(5);
thread6.Start(6);
thread1.Join();
thread2.Join();
thread3.Join();
thread4.Join();
thread5.Join();
thread6.Join();
Print($"Elapsed:{stopwatch.ElapsedMilliseconds}ms. Capacity:{s_arraySegmentPool.Capacity} Count:{s_arraySegmentPool.Count} Fails:{s_arraySegmentPool.FailsCount}", ConsoleColor.Yellow);
if (s_arraySegmentPool.Capacity <= 18 & s_arraySegmentPool.Count == 0 & s_arraySegmentPool.FailsCount < s_iterations * 3)
{
Print("TEST PASSED", ConsoleColor.Green);
}
else
{
Print("TEST FAILED", ConsoleColor.Red);
}
}
