Port CoreClr benchmarks to BenchmarkDotNet

.gitignore

@@ -14,4 +14,10 @@
 
 
 **/.vs/**
+
+# BenchmarkDotNet results
 **/BenchmarkDotNet.Artifacts/**
+
+# Resharper files
+**/*.DotSettings.user
+**/.idea/**

src/benchmarks/Benchmarks.csproj

@@ -1,5 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFrameworks>net46;netcoreapp2.0;netcoreapp2.1</TargetFrameworks>
@@ -8,26 +7,32 @@
     <DebugSymbols>true</DebugSymbols>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
-
   <ItemGroup>
     <Compile Remove="img\**" />
     <EmbeddedResource Remove="img\**" />
     <None Remove="img\**" />
   </ItemGroup>
-
   <ItemGroup>
-    <PackageReference Include="BenchmarkDotNet" Version="0.10.14.516" />
+    <PackageReference Include="BenchmarkDotNet" Version="0.10.14.560" />
     <PackageReference Include="CommandLineParser" Version="2.2.1" />
     <PackageReference Include="Jil" Version="2.15.4" />
     <PackageReference Include="MessagePack" Version="1.7.3.4" />
     <PackageReference Include="MessagePackAnalyzer" Version="1.6.0" />
     <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
     <PackageReference Include="protobuf-net" Version="2.3.7" />
+    <PackageReference Include="System.Memory" Version="4.5.0-rc1" />
+    <PackageReference Include="System.Numerics.Vectors" Version="4.5.0-rc1" />
+    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="4.5.0-rc1" />
     <PackageReference Include="System.Runtime.Serialization.Formatters" Version="4.3.0" />
     <PackageReference Include="System.Runtime.Serialization.Json" Version="4.3.0" />
     <PackageReference Include="System.Xml.XmlSerializer" Version="4.3.0" />
     <PackageReference Include="Utf8Json" Version="1.3.7" />
     <PackageReference Include="ZeroFormatter" Version="1.6.4" />
     <PackageReference Include="ZeroFormatter.Analyzer" Version="1.1.1" />
   </ItemGroup>
-</Project>
+  <ItemGroup>
+    <None Update="BenchmarksGame\Inputs\*.txt">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+</Project>

src/benchmarks/BenchmarksGame/Inputs/InputFileHelper.cs

@@ -0,0 +1,25 @@
+using System;
+using System.IO;
+
+namespace BenchmarksGame
+{
+    internal static class InputFileHelper
+    {
+        internal static string FindInputFile(string inputFile)
+        {
+            if (string.IsNullOrEmpty(inputFile))
+                throw new ArgumentNullException(nameof(inputFile));
+
+            var fullPath = GetFullPath(inputFile);
+            if (!File.Exists(fullPath))
+                throw new FileNotFoundException("Unable to find input file.", inputFile);
+
+            return fullPath;
+        }
+
+        internal static int GetFileLength(string filePath) => (int) new FileInfo(filePath).Length;
+
+        private static string GetFullPath(string fileName)
+            => Path.Combine(Path.GetDirectoryName(typeof(InputFileHelper).Assembly.Location), "BenchmarksGame", "Inputs", fileName);
+    }
+}

src/benchmarks/BenchmarksGame/Inputs/NucleotideHelpers.cs

@@ -0,0 +1,43 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// Helper functionality to locate inputs and find outputs for
+// k-nucleotide benchmark in CoreCLR test harness
+
+using System;
+using System.IO;
+using System.Text;
+
+namespace BenchmarksGame
+{
+    class NucleotideHelpers
+    {
+        public string InputFile;
+        public int[] expectedCountLetter;
+        public int[] expectedCountPairs;
+        public int[] expectedCountFragments;
+        public int[][] expectedFrequencies;
+
+        public NucleotideHelpers(bool bigInput)
+        {
+            if (bigInput)
+            {
+                InputFile = InputFileHelper.FindInputFile("knucleotide-input-big.txt");
+                expectedCountLetter = new int[] { 302923, 301375, 198136, 197566 };
+                expectedCountPairs = new int[] { 91779, 91253, 91225, 90837, 60096, 60030, 59889, 59795, 59756, 59713, 59572, 59557, 39203, 39190, 39081, 39023 };
+                expectedCountFragments = new int[] { 11765, 3572, 380, 7, 7 };
+            }
+            else
+            {
+                InputFile = InputFileHelper.FindInputFile("knucleotide-input.txt");
+                expectedCountLetter = new int[] { 1576, 1480, 974, 970 };
+                expectedCountPairs = new int[] { 496, 480, 470, 420, 316, 315, 310, 302, 298, 292, 273, 272, 202, 201, 185, 167 };
+                expectedCountFragments = new int[] { 54, 24, 4, 0, 0 };
+            }
+            expectedFrequencies = new int[][] { expectedCountLetter, expectedCountPairs };
+        }
+
+
+    }
+}

src/benchmarks/BenchmarksGame/Inputs/RegexReduxHelpers.cs

@@ -0,0 +1,33 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// Helper functionality to locate inputs and find outputs for
+// regex-redux benchmark in CoreCLR test harness
+
+using System;
+using System.IO;
+using System.Text;
+
+namespace BenchmarksGame
+{
+    class RegexReduxHelpers
+    {
+        public string InputFile;
+        public int ExpectedLength;
+
+        public RegexReduxHelpers(bool bigInput)
+        {
+            if (bigInput)
+            {
+                InputFile = InputFileHelper.FindInputFile("regexdna-input25000.txt");
+                ExpectedLength = 136381;
+            }
+            else
+            {
+                InputFile = InputFileHelper.FindInputFile("regexdna-input25.txt");
+                ExpectedLength = 152;
+            }
+        }
+    }
+}

src/benchmarks/BenchmarksGame/Inputs/ReverseComplementHelpers.cs

@@ -0,0 +1,36 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// Helper functionality to locate inputs and find outputs for
+// reverse-complement benchmark in CoreCLR test harness
+
+using System;
+using System.IO;
+using System.Text;
+
+namespace BenchmarksGame
+{
+    class ReverseComplementHelpers
+    {
+        public string InputFile;
+        public int FileLength;
+        public string CheckSum;
+
+        public ReverseComplementHelpers(bool bigInput)
+        {
+            if (bigInput)
+            {
+                InputFile = InputFileHelper.FindInputFile("revcomp-input25000.txt");
+                CheckSum = "61-A4-CC-6D-15-8D-26-77-88-93-4F-E2-29-A2-8D-FB";
+            }
+            else
+            {
+                InputFile = InputFileHelper.FindInputFile("revcomp-input25.txt");
+                CheckSum = "62-45-8E-09-2E-89-A0-69-8C-17-F5-D8-C7-63-5B-50";
+            }
+
+            FileLength = InputFileHelper.GetFileLength(InputFile);
+        }
+    }
+}