public static BenchmarkComparison[] StartAndCompare(Action baseline, BenchmarkParameters parameters, params Action[] actions)
{
var mainResult = Start(baseline, parameters);
var otherResults = StartMultiple(actions, parameters);
return(Compare(mainResult, otherResults));
}
public static BenchmarkResult Start(Action actionToProfile, BenchmarkParameters parameters)
{
PerformWarmup(actionToProfile, parameters);
var result = new BenchmarkResult(actionToProfile.Method.Name);
var iterations = parameters.BenchmarkIterations;
using (var benchmark = StartScope(result))
{
for (var i = 0; i < iterations; i++)
{
/* TODO:
* I had to call Invoke on the passed action. This is a virtual call,
* that is slower. Find a way to get rid of it.
*/
actionToProfile.Invoke();
}
}
result.AverageMilliseconds /= iterations;
result.AverageTicks /= iterations;
return(result);
}
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 static void PerformWarmup(Action actionToProfile, BenchmarkParameters parameters)
{
// Do a warm-up spin if warmup is enabled
if (!parameters.PerformWarmup)
{
return;
}
parameters.InitializeAction?.Invoke();
for (long i = 0; i < parameters.WarmupIterations; i++)
{
actionToProfile.Invoke();
}
}