4 files changed, 101 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..281275597
--- /dev/null
+++ b/benches/Jellyfin.Common.Benches/HexDecodeBenches.cs
@@ -0,0 +1,42 @@
+using System;
+using System.Globalization;
+using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Running;
+using MediaBrowser.Common;
+
+namespace Jellyfin.Common.Benches
+{
+    [MemoryDiagnoser]
+    public class HexDecodeBenches
+    {
+        private const int N = 1000000;
+        private readonly string data;
+
+        public HexDecodeBenches()
+        {
+            var tmp = new byte[N];
+            new Random(42).NextBytes(tmp);
+            data = Hex.Encode(tmp);
+        }
+
+        public 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;
+        }
+
+        [Benchmark]
+        public byte[] Decode() => Hex.Decode(data);
+
+        [Benchmark]
+        public byte[] DecodeSubString() => DecodeSubString(data);
+    }
+}
diff --git a/benches/Jellyfin.Common.Benches/HexEncodeBenches.cs b/benches/Jellyfin.Common.Benches/HexEncodeBenches.cs
new file mode 100644
index 000000000..e7b446cc2
--- /dev/null
+++ b/benches/Jellyfin.Common.Benches/HexEncodeBenches.cs
@@ -0,0 +1,29 @@
+using System;
+using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Running;
+using MediaBrowser.Common;
+
+namespace Jellyfin.Common.Benches
+{
+    [MemoryDiagnoser]
+    public class HexEncodeBenches
+    {
+        private const int N = 1000;
+        private readonly byte[] data;
+
+        public HexEncodeBenches()
+        {
+            data = new byte[N];
+            new Random(42).NextBytes(data);
+        }
+
+        [Benchmark]
+        public string HexEncode() => Hex.Encode(data);
+
+        [Benchmark]
+        public string BitConverterToString() => BitConverter.ToString(data);
+
+        [Benchmark]
+        public string BitConverterToStringWithReplace() => BitConverter.ToString(data).Replace("-", "");
+    }
+}
diff --git a/benches/Jellyfin.Common.Benches/Jellyfin.Common.Benches.csproj b/benches/Jellyfin.Common.Benches/Jellyfin.Common.Benches.csproj
new file mode 100644
index 000000000..4d5046bf9
--- /dev/null
+++ b/benches/Jellyfin.Common.Benches/Jellyfin.Common.Benches.csproj
@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="BenchmarkDotNet" Version="0.11.5" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="../../MediaBrowser.Common/MediaBrowser.Common.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/benches/Jellyfin.Common.Benches/Program.cs b/benches/Jellyfin.Common.Benches/Program.cs
new file mode 100644
index 000000000..b218b0dc1
--- /dev/null
+++ b/benches/Jellyfin.Common.Benches/Program.cs
@@ -0,0 +1,14 @@
+using System;
+using BenchmarkDotNet.Running;
+
+namespace Jellyfin.Common.Benches
+{
+    public static class Program
+    {
+        public static void Main(string[] args)
+        {
+            _ = BenchmarkRunner.Run<HexEncodeBenches>();
+            _ = BenchmarkRunner.Run<HexDecodeBenches>();
+        }
+    }
+}