Feature/dotnet6 p5 bigint (#2)

net6 - bigint parser benchmark

README.md

@@ -44,6 +44,13 @@ public bool StringStartsWith()
 }
 ```
 
+### BigInt:
+```csharp
+// _bingIntToParse = string.Concat(Enumerable.Repeat("654719003", 50));
+
+public BigInteger ParseBigInt() => BigInteger.Parse(_bingIntToParse);
+```
+
 ### Deserialize:
 ```csharp
 
@@ -126,9 +133,9 @@ using (var fileStream = new FileStream(_fileName, FileMode.Create, FileAccess.Wr
     }
 }
 ```  
-# Benchmark experiment  #3 [07.06.2021]:
+# Benchmark experiment  #3 [11.07.2021]:
 
-.NET 6 Preview 4 is now available. New SDK brings huge FileStream performance boost (up to 4x faster ), check it out: **[.NET 6 FileStream Boost Details](doc/Benchmark_DotNet6.md)**.
+.NET 6 Preview 4 is now available. New SDK brings huge performance boost in FileStream (up to 4x faster) and BigInteger parser (up to 16x faster), check it out: **[.NET 6 Boost Details](doc/Benchmark_DotNet6.md)**.
 
 ![logo](img/ben3.png)
 

doc/Benchmark_DotNet6.md

@@ -1,4 +1,6 @@
-# .NET 6 FileStream Performance Boost
+# .NET 6 Performance Boost
+
+## FileStream results
 
 ``` ini
 
@@ -26,3 +28,27 @@ Intel Core i7-4702MQ CPU 2.20GHz (Haswell), 1 CPU, 8 logical and 4 physical core
 | WriteAsync | .NET Framework 4.8 | .NET Framework 4.8 | 17.969 ms | 0.4371 ms | 1.2541 ms | 17.220 ms |  1.00 |    0.00 |
 
 ![Chart](../img/cmp_3_1.png)
+
+## BigInteger parser results
+
+``` ini
+
+BenchmarkDotNet=v0.13.0, OS=Windows 10.0.19043.1083 (21H1/May2021Update)
+Intel Core i7-4702MQ CPU 2.20GHz (Haswell), 1 CPU, 8 logical and 4 physical cores
+.NET SDK=6.0.100-preview.5.21302.13
+  [Host]             : .NET 5.0.5 (5.0.521.16609), X64 RyuJIT
+  .NET 5.0           : .NET 5.0.7 (5.0.721.25508), X64 RyuJIT
+  .NET 6.0           : .NET 6.0.0 (6.0.21.30105), X64 RyuJIT
+  .NET Core 3.1      : .NET Core 3.1.16 (CoreCLR 4.700.21.26205, CoreFX 4.700.21.26205), X64 RyuJIT
+  .NET Framework 4.8 : .NET Framework 4.8 (4.8.4390.0), X64 RyuJIT
+
+
+```
+|      Method |                Job |            Runtime |      Mean |     Error |    StdDev | Ratio |
+|------------ |------------------- |------------------- |----------:|----------:|----------:|------:|
+| ParseBigInt |           .NET 5.0 |           .NET 5.0 | 71.578 μs | 0.7426 μs | 0.6947 μs |  0.76 |
+| ParseBigInt |           .NET 6.0 |           .NET 6.0 |  5.538 μs | 0.0555 μs | 0.0520 μs |  0.06 |
+| ParseBigInt |      .NET Core 3.1 |      .NET Core 3.1 | 90.957 μs | 0.4245 μs | 0.3970 μs |  0.97 |
+| ParseBigInt | .NET Framework 4.8 | .NET Framework 4.8 | 93.959 μs | 0.8641 μs | 0.8082 μs |  1.00 |
+
+![Chart](../img/cmp_3_2.png)

scripts/publish.bat

@@ -6,7 +6,7 @@ dotnet publish "../src/djfoxer.PerformanceDotNet/djfoxer.PerformanceDotNet.App"
 REM copy src
 Xcopy /S /I /E /Q "../src/djfoxer.PerformanceDotNet" "artifact/bin" /exclude:xcopy_exclude.txt
 REM create run.bat script
-echo .\bin\exe\djfoxer.PerformanceDotNet.App.exe > artifact/run.bat
+echo .\bin\exe\djfoxer.PerformanceDotNet.App.exe %%^* > artifact/run.bat
 REM open artifact folder
 cd artifact
 REM get exe version

src/djfoxer.PerformanceDotNet/djfoxer.PerformanceDotNet.App/djfoxer.PerformanceDotNet.App.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFrameworks>net6.0;net5.0;netcoreapp3.1;net48</TargetFrameworks>
-    <Version>1.2.0</Version>
+    <Version>1.2.2</Version>
     <Platforms>x64</Platforms>
     <StartupObject>djfoxer.PerformanceDotNet.App.Program</StartupObject>
     <Authors>djfoxer</Authors>

src/djfoxer.PerformanceDotNet/djfoxer.PerformanceDotNet.Common/FileStreamBenchmark.cs

@@ -7,9 +7,9 @@ namespace djfoxer.PerformanceDotNet.Common
 {
     public class FileStreamBenchmark : BaseBenchmark
     {
-        static int FileSize = 1_000_000;
-        static string _fileName = "file.txt";
-        byte[] _buffer = new byte[8_000];
+        const int FileSize = 1_000_000;
+        const string _fileName = "file.txt";
+        readonly byte[] _buffer = new byte[8_000];
 
         [GlobalSetup(Target = nameof(ReadAsync))]
         public void SetupRead() => File.WriteAllBytes(_fileName, new byte[FileSize]);

src/djfoxer.PerformanceDotNet/djfoxer.PerformanceDotNet.Common/MainBenchmark.cs

@@ -12,28 +12,27 @@ namespace djfoxer.PerformanceDotNet.Common
 
     public class MainBenchmark : BaseBenchmark
     {
-        IEnumerable<int> _tenMillionToZero = Enumerable.Range(0, 10_000_000).Reverse();
-        byte[] _rawBytes = new byte[100 * 1024 * 1024];
-        HashAlgorithm _sha = SHA256.Create();
-        static string StringToTest = "abcdefghijklmnopqrstuvwxyz";
-        List<BookToSerialize> _books = null;
+        readonly IEnumerable<int> _tenMillionToZero = Enumerable.Range(0, 10_000_000).Reverse();
+        readonly byte[] _rawBytes = new byte[100 * 1024 * 1024];
+        readonly HashAlgorithm _sha = SHA256.Create();
+        const string StringToTest = "abcdefghijklmnopqrstuvwxyz";
+        readonly List<BookToSerialize> _books = new List<BookToSerialize>();
 
         [GlobalSetup]
         public void BenchmarkSetup()
         {
+            //Sha256
             for (int index = 0; index < _rawBytes.Length; index++) _rawBytes[index] = (byte)index;
 
-            _books = new List<BookToSerialize>();
+            //Deserialize
+            _books.Clear();
             for (int i = 0; i < 1_00000; i++)
             {
                 string id = i.ToString();
                 _books.Add(new BookToSerialize { Name = id, Id = id });
             }
         }
 
-        [Benchmark]
-        public DayOfWeek EnumParse() => (DayOfWeek)Enum.Parse(typeof(DayOfWeek), "Thursday");
-
         [Benchmark]
         public int LinqOrderBySkipFirst()
         {
@@ -67,5 +66,7 @@ public object Deserialize()
 
             return formatter.Deserialize(mem);
         }
+
+
     }
 }

src/djfoxer.PerformanceDotNet/djfoxer.PerformanceDotNet.Common/ParseBenchmark.cs

@@ -0,0 +1,21 @@
+using BenchmarkDotNet.Attributes;
+using djfoxer.PerformanceDotNet.Common.Helpers;
+using System;
+using System.Linq;
+using System.Numerics;
+
+namespace djfoxer.PerformanceDotNet.Common
+{
+    public class ParseBenchmark : BaseBenchmark
+    {
+        string _bingIntToParse;
+        [GlobalSetup(Target = nameof(ParseBigInt))]
+        public void SetupRead() => _bingIntToParse = string.Concat(Enumerable.Repeat("654719003", 50));
+
+        [Benchmark]
+        public DayOfWeek EnumParse() => (DayOfWeek)Enum.Parse(typeof(DayOfWeek), "Thursday");
+
+        [Benchmark]
+        public BigInteger ParseBigInt() => BigInteger.Parse(_bingIntToParse);
+    }
+}

src/djfoxer.PerformanceDotNet/djfoxer.PerformanceDotNet.Common/djfoxer.PerformanceDotNet.Common.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
     <Platforms>x64</Platforms>
-    <Version>1.2.0</Version>
+    <Version>1.2.2</Version>
     <Authors>djfoxer</Authors>
     <Company>djfoxer</Company>
   </PropertyGroup>