Marvin

src/benchmarks/corefx/System/Hashing.cs

@@ -0,0 +1,23 @@
+using System.Linq;
+using BenchmarkDotNet.Attributes;
+
+namespace System
+{
+    public class Hashing
+    {
+        private string _string;
+
+        [Params(10, 100, 1_000, 10_000)]
+        public int BytesCount;
+
+        /// <summary>
+        /// Marvin is internal, this is why we call string.GetHashCode to measure it's performance
+        /// see https://github.com/dotnet/corefx/blob/8252ecc2eb0da08cd474a303b646e111d74d2a71/src/Common/src/CoreLib/System/String.Comparison.cs#L749
+        /// </summary>
+        [GlobalSetup]
+        public void Setup() => _string = new string(Enumerable.Repeat('a', BytesCount / (sizeof(char)/ sizeof(byte))).ToArray());
+
+        [Benchmark]
+        public int GetStringHashCode() => _string.GetHashCode();
+    }
+}