Created
August 18, 2016 15:44
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[Config(typeof(Config))] | |
public class FastCreationOfEmptyObjects | |
{ | |
static void Main(string[] args) | |
{ | |
var summary = BenchmarkRunner.Run<FastCreationOfEmptyObjects>(); | |
} | |
private class Config : ManualConfig | |
{ | |
public Config() | |
{ | |
Add(Job.Clr.WithLaunchCount(1).WithWarmupCount(5).WithTargetCount(5)); | |
Add(JitOptimizationsValidator.FailOnError); | |
Add(RPlotExporter.Default); | |
} | |
} | |
public class TestClass | |
{ | |
public TestClass() | |
{ | |
// Delibrately empty ctor | |
} | |
} | |
static Type typeToUse = typeof(TestClass); | |
Func<TestClass> optimisation = Expression.Lambda<Func<TestClass>>(ExpressionEx.GetNewExpression(typeToUse)).Compile(); | |
[Benchmark] | |
public TestClass GetUninitializedObject() | |
{ | |
return (TestClass)typeToUse.GetEmptyObject(); | |
} | |
[Benchmark] | |
public TestClass OptimisedVersion() | |
{ | |
return optimisation(); | |
} | |
} |
Host Process Environment Information:
BenchmarkDotNet.Core=v0.9.9.0
OS=Microsoft Windows NT 6.1.7601 Service Pack 1
Processor=Intel(R) Core(TM) i7-4800MQ CPU 2.70GHz, ProcessorCount=8
Frequency=2630761 ticks, Resolution=380.1181 ns, Timer=TSC
CLR=MS.NET 4.0.30319.42000, Arch=32-bit RELEASE
GC=Concurrent Workstation
JitModules=clrjit-v4.6.1076.0
Type=FastCreationOfEmptyObjects Mode=Throughput Toolchain=Clr
Runtime=Clr LaunchCount=1 WarmupCount=5
TargetCount=5
Method | Median | StdDev |
---|---|---|
GetUninitializedObject | 81.4816 ns | 2.5651 ns |
OptimisedVersion | 12.5316 ns | 0.3186 ns |
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