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//-----------------------------------------------------------------------
// <copyright file="PerformanceTestUtilities.cs" company="Andrew Arnott">
// Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.Test.Performance {
using System;
using System.Diagnostics;
using System.Reflection;
using System.Threading;
using DotNetOpenAuth.OpenId.RelyingParty;
using NUnit.Framework;
internal static class PerformanceTestUtilities {
internal static Stats Baseline;
static PerformanceTestUtilities() {
Baseline = CollectBaseline();
TestUtilities.TestLogger.InfoFormat(
"Scaled where EmptyStaticFunction = 1.0 ({0:f1} nsec = 1.0 units)",
Baseline.Median * 1000);
}
internal static bool IsOptimized(Assembly assembly) {
DebuggableAttribute debugAttribute = (DebuggableAttribute)System.Attribute.GetCustomAttribute(assembly, typeof(System.Diagnostics.DebuggableAttribute));
return debugAttribute == null || !debugAttribute.IsJITOptimizerDisabled;
}
private static Stats CollectBaseline() {
using (new HighPerformance()) {
return new MultiSampleCodeTimer(10, 1000).Measure(
"MethodCalls: EmptyStaticFunction()",
10,
delegate {
Class.EmptyStaticFunction();
Class.EmptyStaticFunction();
Class.EmptyStaticFunction();
Class.EmptyStaticFunction();
Class.EmptyStaticFunction();
Class.EmptyStaticFunction();
Class.EmptyStaticFunction();
Class.EmptyStaticFunction();
Class.EmptyStaticFunction();
Class.EmptyStaticFunction();
});
}
}
private class Class {
[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
public static void EmptyStaticFunction() {
}
}
}
}
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