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using BenchmarkDotNet.Attributes;

using BenchmarkDotNet.Diagnosers;

using BenchmarkDotNet.Running;

BenchmarkRunner.Run<Benchi>();

[HardwareCounters(HardwareCounter.BranchMispredictions)]

public class Benchi

{

private const int ArraySize = 65535;

private int[] unsortedArray = new int[ArraySize];

private int[] sortedArray = new int[ArraySize];

public Benchi()

{

var random = new Random();

for (var i = 0; i < ArraySize; i++)

{

unsortedArray[i] = sortedArray[i] = random.Next(256);

}

Array.Sort(sortedArray);

}

[Benchmark(Baseline = true)]

public int Unsorted() => SumOfEverythingAbove128Unsorted(unsortedArray);

[Benchmark]

public int Sorted() => SumOfEverythingAbove128Unsorted(sortedArray);

private static int SumOfEverythingAbove128Unsorted(int[] data)

{

var sum = 0;

for (var i = 0; i < data.Length; i++)

{

if (data[i] >= 128)

{

sum += data[i];

}

}

return sum;

}

}