using System.Buffers;

using BenchmarkDotNet.Attributes;

using BenchmarkDotNet.Running;

BenchmarkRunner.Run<ArrayBenchmark>();

[MemoryDiagnoser]

public class ArrayBenchmark

{

[Params(10, 100, 1_000, 10_000, 100_000, 1_000_000)]

public int ArraySize { get; set; }

[Benchmark(Baseline = true)]

public int[] NewArray() => new int[ArraySize];

[Benchmark]

public int[] ArrayPoolRent() => ArrayPool<int>.Shared.Rent(ArraySize);

[Benchmark]

public int[] GCZeroInitialized() => GC.AllocateArray<int>(ArraySize);

[Benchmark]

public int[] GCZeroUninitialized() => GC.AllocateUninitializedArray<int>(ArraySize);

}