public static BenchmarkResult[] StartMultiple(Action[] actionsToProfile, BenchmarkParameters parameters)
{
var results = new BenchmarkResult[actionsToProfile.Length];
for (var i = 0; i < actionsToProfile.Length; i++)
{
results[i] = Start(actionsToProfile[i], parameters);
}
return(results);
}
private Benchmarker(BenchmarkResult result)
{
_timer = Stopwatch.StartNew();
_result = result;
// Collect current collections counts, in order to calculate
// them correctly later.
_initialCollection0Count = GC.CollectionCount(0);
_initialCollection1Count = GC.CollectionCount(1);
_initialCollection2Count = GC.CollectionCount(2);
}
public static BenchmarkComparison[] Compare(BenchmarkResult baseline, params BenchmarkResult[] comparing)
{
var comparisons = new BenchmarkComparison[comparing.Length];
for (int i = 0; i < comparing.Length; i++)
{
var comparison = new BenchmarkComparison();
comparison.Compare(baseline, comparing[i]);
comparisons[i] = comparison;
}
return(comparisons);
}
internal void Compare(BenchmarkResult from, BenchmarkResult to)
{
CompareFrom = from;
CompareTo = to;
ElapsedMillisecondsDifference = to.ElapsedMilliseconds - from.ElapsedMilliseconds;
if (from.ElapsedMilliseconds > 0)
{
ElapsedMillisecondsDifferencePercentage = (ElapsedMillisecondsDifference / from.ElapsedMilliseconds) * 100;
}
ElapsedTicksDifference = to.ElapsedTicks - from.ElapsedTicks;
if (from.ElapsedTicks > 0)
{
ElapsedTicksDifferencePercentage = (ElapsedTicksDifference / from.ElapsedTicks) * 100;
}
AverageMillisecondsDifference = to.AverageMilliseconds - from.AverageMilliseconds;
if (from.AverageMilliseconds > 0)
{
AverageMillisecondsDifferencePercentage = (AverageMillisecondsDifference / from.AverageMilliseconds) * 100;
}
AverageTicksDifference = to.AverageTicks - from.AverageTicks;
AverageTicksDifferencePercentage = (AverageTicksDifference / from.AverageTicks) * 100;
GCCollections0Difference = to.GarbageCollections0Count - from.GarbageCollections0Count;
if (from.GarbageCollections0Count > 0)
{
GCCollections0DifferencePercentage = (GCCollections0Difference / from.GarbageCollections0Count) * 100;
}
GCCollections1Difference = to.GarbageCollections1Count - from.GarbageCollections1Count;
if (from.GarbageCollections1Count > 0)
{
GCCollections1DifferencePercentage = (GCCollections1Difference / from.GarbageCollections1Count) * 100;
}
GCCollections2Difference = to.GarbageCollections2Count - from.GarbageCollections2Count;
if (from.GarbageCollections2Count > 0)
{
GCCollections2DifferencePercentage = (GCCollections2Difference / from.GarbageCollections2Count) * 100;
}
}
public static Benchmarker StartScope(BenchmarkResult result)
{
return(new Benchmarker(result));
}