Added benchmark

gfoidl · Nov 9, 2019 · e5be9ce · e5be9ce
1 parent 9764591
commit e5be9ce
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Showing 3 changed files with 82 additions and 9 deletions.
diff --git a/perf/gfoidl.Base64.Benchmarks/ReadOnlySequenceBenchmark.cs b/perf/gfoidl.Base64.Benchmarks/ReadOnlySequenceBenchmark.cs
@@ -0,0 +1,70 @@
+using System;
+using System.Buffers;
+using System.IO.Pipelines;
+using BenchmarkDotNet.Attributes;
+
+namespace gfoidl.Base64.Benchmarks
+{
+    public class ReadOnlySequenceBase64Benchmark : ReadOnlySequenceBaseBenchmark
+    {
+        public ReadOnlySequenceBase64Benchmark() : base(Base64.Default) { }
+    }
+    //-------------------------------------------------------------------------
+    public class ReadOnlySequenceBase64UrlBenchmark : ReadOnlySequenceBaseBenchmark
+    {
+        public ReadOnlySequenceBase64UrlBenchmark() : base(Base64.Url) { }
+    }
+    //-------------------------------------------------------------------------
+    //[Config(typeof(HardwareIntrinsicsCustomConfig))]
+    public abstract class ReadOnlySequenceBaseBenchmark
+    {
+        private const int ByteArraySize = 10_000_000;
+        private readonly ReadOnlySequence<byte>  _dataSingleSegment;
+        private readonly ReadOnlySequence<byte>  _dataMultiSegment;
+        private readonly ReadOnlySequence<byte>  _guid;
+        private readonly ArrayBufferWriter<byte> _arrayBufferWriter = new ArrayBufferWriter<byte>((ByteArraySize + 2) / 3 * 4);
+        protected readonly Base64                _encoder;
+        //---------------------------------------------------------------------
+        protected ReadOnlySequenceBaseBenchmark(Base64 encoder)
+        {
+            _encoder = encoder ?? throw new ArgumentNullException(nameof(encoder));
+
+            var rnd            = new Random(42);
+            var data           = new byte[ByteArraySize];
+            rnd.NextBytes(data);
+            _dataSingleSegment = new ReadOnlySequence<byte>(data);
+
+            var pipe          = new Pipe();
+            pipe.Writer.Write(data);
+            pipe.Writer.Complete();
+            _dataMultiSegment = pipe.Reader.ReadAsync().GetAwaiter().GetResult().Buffer;
+
+            byte[] guid = Guid.NewGuid().ToByteArray();
+            _guid       = new ReadOnlySequence<byte>(guid);
+        }
+        //---------------------------------------------------------------------
+        [IterationCleanup]
+        public void IterationCleanup() => _arrayBufferWriter.Clear();
+        //---------------------------------------------------------------------
+        [Benchmark]
+        public void EncodeSingleSegment()
+        {
+            _encoder.Encode(_dataSingleSegment, _arrayBufferWriter, out long _, out long _);
+        }
+        //---------------------------------------------------------------------
+        [Benchmark]
+        public void EncodeMultiSegment()
+        {
+            _encoder.Encode(_dataMultiSegment, _arrayBufferWriter, out long _, out long _);
+        }
+        //---------------------------------------------------------------------
+        [Benchmark(OperationsPerInvoke = 10_000)]
+        public void EncodeGuid()
+        {
+            for (int i = 0; i < 10_000; ++i)
+            {
+                _encoder.Encode(_guid, _arrayBufferWriter, out long _, out long _);
+            }
+        }
+    }
+}
diff --git a/perf/gfoidl.Base64.Benchmarks/gfoidl.Base64.Benchmarks.csproj b/perf/gfoidl.Base64.Benchmarks/gfoidl.Base64.Benchmarks.csproj
@@ -18,6 +18,7 @@
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
         <PackageReference Include="LocalsInit.Fody" Version="1.1.0" />
+        <PackageReference Include="System.IO.Pipelines" Version="4.6.0" />
     </ItemGroup>
 
     <ItemGroup>

diff --git a/run-benchmarks.sh b/run-benchmarks.sh
@@ -3,17 +3,17 @@
 set -e
 #------------------------------------------------------------------------------
 if [[ "$1" == "--install-sdk" ]]; then
-    echo "installing SDK $SDK_VERSION"
-    echo ""
+	echo "installing SDK $SDK_VERSION"
+	echo ""
 
-    curl -o dotnet-install.sh https://dot.net/v1/dotnet-install.sh
-    mkdir dotnet
-    chmod u+x ./dotnet-install.sh
-    ./dotnet-install.sh --install-dir $(pwd)/dotnet -v $SDK_VERSION
-    rm $(pwd)/dotnet-install.sh
-    export PATH="$(pwd)/dotnet:$PATH"
+	curl -o dotnet-install.sh https://dot.net/v1/dotnet-install.sh
+	mkdir dotnet
+	chmod u+x ./dotnet-install.sh
+	./dotnet-install.sh --install-dir $(pwd)/dotnet -v $SDK_VERSION
+	rm $(pwd)/dotnet-install.sh
+	export PATH="$(pwd)/dotnet:$PATH"
 
-    echo ""
+	echo ""
 fi
 
 echo 'installed sdks:'
@@ -30,3 +30,5 @@ dotnet gfoidl.Base64.Benchmarks.dll -f *DecodeStringBenchmark*
 dotnet gfoidl.Base64.Benchmarks.dll -f *DecodeUtf8Benchmark*
 dotnet gfoidl.Base64.Benchmarks.dll -f *EncodeStringBenchmark*
 dotnet gfoidl.Base64.Benchmarks.dll -f *EncodeUtf8Benchmark*
+dotnet gfoidl.Base64.Benchmarks.dll -f *ReadOnlySequenceBase64Benchmark*
+dotnet gfoidl.Base64.Benchmarks.dll -f *ReadOnlySequenceBase64UrlBenchmark*