1 files changed, 45 insertions, 0 deletions
diff --git a/benches/Jellyfin.Common.Benches/HexDecodeBenches.cs b/benches/Jellyfin.Common.Benches/HexDecodeBenches.cs
new file mode 100644
index 000000000..d9a107b69
--- /dev/null
+++ b/benches/Jellyfin.Common.Benches/HexDecodeBenches.cs
@@ -0,0 +1,45 @@
+using System;
+using System.Globalization;
+using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Running;
+using MediaBrowser.Common;
+
+namespace Jellyfin.Common.Benches
+{
+    [MemoryDiagnoser]
+    public class HexDecodeBenches
+    {
+        private string _data;
+
+        [Params(0, 10, 100, 1000, 10000, 1000000)]
+        public int N { get; set; }
+
+        [GlobalSetup]
+        public void GlobalSetup()
+        {
+            var bytes = new byte[N];
+            new Random(42).NextBytes(bytes);
+            _data = Hex.Encode(bytes);
+        }
+
+        [Benchmark]
+        public byte[] Decode() => Hex.Decode(_data);
+
+        [Benchmark]
+        public byte[] DecodeSubString() => DecodeSubString(_data);
+
+        private static byte[] DecodeSubString(string str)
+        {
+            byte[] bytes = new byte[str.Length / 2];
+            for (int i = 0; i < str.Length; i += 2)
+            {
+                bytes[i / 2] = byte.Parse(
+                    str.Substring(i, 2),
+                    NumberStyles.HexNumber,
+                    CultureInfo.InvariantCulture);
+            }
+
+            return bytes;
+        }
+    }
+}