private void Stream_Parallel_ReadWrite(int dataSize, int nodeCount, int bufferSize, bool bench)
{
int iterations = 10;
byte[] data = new byte[dataSize];
string name = Guid.NewGuid().ToString();
// Fill with random data
Random r = new Random();
r.NextBytes(data);
Stopwatch sw = new Stopwatch();
sw.Start();
for (int i = 0; i < iterations; i++)
{
using (SharedMemoryStream buffer = new SharedMemoryStream(name, nodeCount, bufferSize))
using (SharedMemoryStreamWriter <byte[]> writer = new SharedMemoryStreamWriter <byte[]>(buffer))
using (SharedMemoryStreamReader <byte[]> reader = new SharedMemoryStreamReader <byte[]>(buffer))
{
Action wt = () =>
{
writer.WriteObject(data);
Debug.WriteLine("Write done.", "Information");
};
Action rd = () =>
{
reader.ReadObject();
Debug.WriteLine("Read done.", "Information");
};
Task tWriter = Task.Factory.StartNew(wt);
Task tReader = Task.Factory.StartNew(rd);
if (!Task.WaitAll(new Task[] { tWriter, tReader }, 1200000))
{
Assert.Fail("Reader or writer took too long");
}
}
}
sw.Stop();
double dataRate = Math.Round(((double)iterations * dataSize) / sw.ElapsedMilliseconds, 2);
if (bench)
{
Console.WriteLine(dataSize + ";" + dataRate + ";" + sw.ElapsedMilliseconds + ";" + nodeCount + ";" + bufferSize);
}
else
{
Console.WriteLine("Data Rate: " + dataRate + "kB/s (" + sw.ElapsedMilliseconds + "ms to write " + iterations + "x" + dataSize + "=" + iterations * dataSize + " bytes in " + nodeCount + "x" + bufferSize + "=" + nodeCount * bufferSize + ")");
}
}
public void Stream_Object_ReadWrite()
{
string name = Guid.NewGuid().ToString();
DateTime expected = DateTime.Now;
using (SharedMemoryStream buffer = new SharedMemoryStream(name))
using (SharedMemoryStreamWriter <DateTime> writer = new SharedMemoryStreamWriter <DateTime>(buffer))
using (SharedMemoryStreamReader <DateTime> reader = new SharedMemoryStreamReader <DateTime>(buffer))
{
writer.WriteObject(expected);
writer.Flush();
DateTime red = reader.ReadObject();
Assert.AreEqual(expected, red);
}
}
private void Stream_Parallel_Types_ReadWrite <T>(T data)
{
int iterations = 10;
string name = Guid.NewGuid().ToString();
Stopwatch sw = new Stopwatch();
sw.Start();
for (int i = 0; i < iterations; i++)
{
using (SharedMemoryStream buffer = new SharedMemoryStream(name))
using (SharedMemoryStreamWriter <T> writer = new SharedMemoryStreamWriter <T>(buffer))
using (SharedMemoryStreamReader <T> reader = new SharedMemoryStreamReader <T>(buffer))
{
Action wt = () =>
{
writer.WriteObject(data);
Debug.WriteLine("Write done.", "Information");
};
Action rd = () =>
{
reader.ReadObject();
Debug.WriteLine("Read done.", "Information");
};
Task tWriter = Task.Factory.StartNew(wt);
Task tReader = Task.Factory.StartNew(rd);
if (!Task.WaitAll(new Task[] { tWriter, tReader }, 60000))
{
Assert.Fail("Reader or writer took too long");
}
}
}
sw.Stop();
double time = Math.Round(sw.ElapsedMilliseconds / (double)iterations, 2);
Console.WriteLine("Time: " + time + "ms, Type: " + typeof(T).FullName);
}
