Benchmarks for #123434 (hez2010)

[EgorBot]

Processing dotnet/runtime#123434 (comment) command:

Command

-amd -intel

using System.Runtime.CompilerServices;
using System.Text;
using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;

BenchmarkRunner.Run<ContainsTrue>();

public class ContainsTrue
{
 private string[] _found;

 private string[] _array;
 private List<string> _list;

 [Params(512)]
 public int Size;

 [GlobalSetup(Targets = new[] { nameof(Array) })]
 public void SetupArray()
 {
 _found = ArrayOfUniqueValues(Size);
 _array = _found.ToArray();
 }

 [Benchmark]
 public bool Array()
 {
 bool result = default;
 string[] collection = _array;
 string[] found = _found;
 for (int i = 0; i < found.Length; i++)
 result ^= collection.Contains(found[i]);
 return result;
 }

 [GlobalSetup(Targets = new[] { nameof(ICollection) })]
 public void SetupList()
 {
 _found = ArrayOfUniqueValues(Size);
 _list = new List<string>(_found);
 }

 [Benchmark]
 public bool ICollection() => Contains(_list);

 [MethodImpl(MethodImplOptions.NoInlining)]
 private bool Contains(ICollection<string> collection)
 {
 bool result = default;
 string[] found = _found;
 for (int i = 0; i < found.Length; i++)
 result ^= collection.Contains(found[i]);
 return result;
 }

 private static string[] ArrayOfUniqueValues(int count)
 {
 string[] result = new string[count];

 var random = new Random(42);

 var uniqueValues = new HashSet<string>();

 while (uniqueValues.Count != count)
 {
 string value = GenerateRandomString(random, 1, 50);

 if (!uniqueValues.Contains(value))
 uniqueValues.Add(value);
 }

 uniqueValues.CopyTo(result);

 return result;
 }

 private static string GenerateRandomString(Random random, int minLength, int maxLength)
 {
 var length = random.Next(minLength, maxLength);

 var builder = new StringBuilder(length);
 for (int i = 0; i < length; i++)
 {
 var rangeSelector = random.Next(0, 3);

 if (rangeSelector == 0)
 builder.Append((char)random.Next('a', 'z'));
 else if (rangeSelector == 1)
 builder.Append((char)random.Next('A', 'Z'));
 else
 builder.Append((char)random.Next('0', '9'));
 }

 return builder.ToString();
 }
}

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[EgorBot]

❌ Benchmark validation failed

cc @hez2010 (logs). EgorBot manual: link.