public void EndianReaderWriterPerformance()
{
// store the logging value
var oldThreshold = LoggingConfiguration.GlobalLoggingLevel;
// disable logging to improve performance
LoggingConfiguration.GlobalLoggingLevel = log4net.Core.Level.Off;
Byte[] bytes;
Int32 testRuns;
Int32 startIndex;
Int32 expectedValue;
ByteSetupMethods.Setup(out bytes, out testRuns, out startIndex,
out expectedValue);
var memStream = new MemoryStream(bytes);
var endianReader = new EndianBinaryReader(EndianBitConverter.Big, memStream);
var startTime = DateTime.Now;
for (Int32 i = 0; i < testRuns; i++)
{
endianReader.Seek(startIndex, SeekOrigin.Begin);
var actualValue = endianReader.ReadInt32();
// NOTE: Assert.AreEqual() significantly slows, by a factor of ~6x
// the execution of this loop, so we perform ourself and
// then call Assert.AreEqual() if the comparison fails.
// This doesn't reduce performance by a noticable amount
if (actualValue != expectedValue)
{
Assert.AreEqual(expectedValue, actualValue);
}
}
var endTime = DateTime.Now;
// restore logging
LoggingConfiguration.GlobalLoggingLevel = oldThreshold;
var rate = new Rate(startTime, endTime, testRuns, "Test runs");
Console.WriteLine(rate.ToString());
}
public void ArrayCopyBitConverterIpAddressPerformance()
{
// store the logging value
var oldThreshold = LoggingConfiguration.GlobalLoggingLevel;
// disable logging to improve performance
LoggingConfiguration.GlobalLoggingLevel = log4net.Core.Level.Off;
Byte[] bytes;
Int32 testRuns;
Int32 startIndex;
Int32 expectedValue;
ByteSetupMethods.Setup(out bytes, out testRuns, out startIndex,
out expectedValue);
var startTime = DateTime.Now;
for (Int32 i = 0; i < testRuns; i++)
{
var actualValue = IPAddress.NetworkToHostOrder(BitConverter.ToInt32(bytes, startIndex));
// NOTE: Assert.AreEqual() significantly slows, by a factor of ~6x
// the execution of this loop, so we perform ourself and
// then call Assert.AreEqual() if the comparison fails.
// This doesn't reduce performance by a noticable amount
if (actualValue != expectedValue)
{
Assert.AreEqual(expectedValue, actualValue);
}
}
var endTime = DateTime.Now;
// restore logging
LoggingConfiguration.GlobalLoggingLevel = oldThreshold;
var rate = new Rate(startTime, endTime, testRuns, "Test runs");
Console.WriteLine(rate.ToString());
}
