add snappy

src/DotCompressorBenchmark.Tools/BenchmarkSnappy.cs

@@ -0,0 +1,38 @@
+using System.IO;
+using System.IO.Compression;
+using Snappier;
+
+namespace DotCompressorBenchmark.Tools;
+
+public class BenchmarkSnappy : IBenchmark
+{
+    public string Name { get; }
+
+    public BenchmarkSnappy()
+    {
+        Name = $"Snappy";
+    }
+
+    public BenchmarkResult Roundtrip(string filename, byte[] srcBytes, byte[] dstBytes)
+    {
+        return Benchmarks.Roundtrip(Name, filename, srcBytes, dstBytes, (s, d) => Compress(s, d), Decompress);
+    }
+
+    public static long Compress(byte[] uncompressedBytes, byte[] compressedBytes)
+    {
+        using MemoryStream ms = new MemoryStream(compressedBytes);
+        using (SnappyStream stream = new SnappyStream(ms, CompressionMode.Compress, true))
+        {
+            stream.Write(uncompressedBytes, 0, uncompressedBytes.Length);
+        }
+
+        return ms.Position;
+    }
+
+    public static long Decompress(byte[] compressedBytes, long size, byte[] uncompressedBytes)
+    {
+        using MemoryStream ms = new MemoryStream(compressedBytes, 0, (int)size);
+        using SnappyStream stream = new SnappyStream(ms, CompressionMode.Decompress, true);
+        return stream.Read(uncompressedBytes);
+    }
+}

src/DotCompressorBenchmark.Tools/Benchmarks.cs

@@ -78,6 +78,8 @@ public static List<BenchmarkResult> Benchmark(List<string> files)
             benchmarks.Add(new BenchmarkZLib(CompressionLevel.Fastest));
             //benchmarks.Add(new BenchmarkZLib(CompressionLevel.SmallestSize));
 
+            benchmarks.Add(new BenchmarkSnappy());
+
             var results = new List<BenchmarkResult>();
             foreach (var file in files)
             {

src/DotCompressorBenchmark.Tools/DotCompressorBenchmark.Tools.csproj

@@ -10,6 +10,7 @@
     <PackageReference Include="DotFastLZ.Compression" Version="2023.10.5" />
     <PackageReference Include="K4os.Compression.LZ4" Version="1.3.6" />
     <PackageReference Include="EasyCompressor.LZ4" Version="1.4.0" />
+    <PackageReference Include="Snappier" Version="1.1.3" />
   </ItemGroup>
 
   <ItemGroup>