private static void MeasurePerformance(string caption, ThreadLocalFactory threadLocalFactory)
{
for (int cycle = 0; cycle < TestCycles; cycle++)
{
Console.Out.Write("{0,-20} ... ", caption);
Console.Out.Flush();
var threadDispatchQueue = threadLocalFactory.CreateThreadLocal(
() => new Queue <Runnable>());
// Check access time - when not set
long timeA = PerformanceObserver.MicroTime;
for (int ii = 0; ii < TestIterations; ii++)
{
var value = threadDispatchQueue.Value;
}
// Check access time - with get or create
long timeB = PerformanceObserver.MicroTime;
for (int ii = 0; ii < TestIterations; ii++)
{
threadDispatchQueue.GetOrCreate();
}
long timeC = PerformanceObserver.MicroTime;
Console.WriteLine("{0} -> {1} us -> {2} us", timeA, timeB - timeA, timeC - timeB);
}
}
/// <summary>
/// Initializes the <see cref="ThreadLocalManager"/> class.
/// </summary>
static ThreadLocalManager()
{
// Establishes the default thread local style
var defaultThreadLocalType = CompatSettings.Default.DefaultThreadLocalType;
if (String.IsNullOrEmpty(defaultThreadLocalType))
{
DefaultThreadLocalFactory = new FastThreadLocalFactory();
return;
}
switch (defaultThreadLocalType.ToUpper())
{
case "FAST":
DefaultThreadLocalFactory = new FastThreadLocalFactory();
break;
case "SLIM":
DefaultThreadLocalFactory = new SlimThreadLocalFactory();
break;
case "XPER":
DefaultThreadLocalFactory = new XperThreadLocalFactory();
break;
case "SYSTEM":
DefaultThreadLocalFactory = new SystemThreadLocalFactory();
break;
default:
throw new ArgumentException("unknown thread local type '" + defaultThreadLocalType + "'");
}
}
