Add benchmark to development

src/Benchmark.Development/Benchmark.Development.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net10.0</TargetFramework>
+	<CopyLocalLockFileAssemblies Condition=" '$(Configuration)'=='Debug' ">true</CopyLocalLockFileAssemblies>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <SignAssembly>True</SignAssembly>
+    <AssemblyOriginatorKeyFile>Benchmark.Development.snk</AssemblyOriginatorKeyFile>
+    <DelaySign>False</DelaySign>
+	<SciVersion Condition="'$(SciVersion)' == ''">7.4.0</SciVersion>
+	<LangVersion>12.0</LangVersion>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Folder Include="Benchmarks\" />
+    <Folder Include="Classes\" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="BenchmarkDotNet" Version="0.15.8" />
+    <PackageReference Include="Mapster" Version="$(SciVersion)" />
+  </ItemGroup>
+
+</Project>

src/Benchmark.Development/Benchmarks/Config.cs

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+using BenchmarkDotNet.Columns;
+using BenchmarkDotNet.Configs;
+using BenchmarkDotNet.Diagnosers;
+using BenchmarkDotNet.Exporters;
+using BenchmarkDotNet.Exporters.Csv;
+using BenchmarkDotNet.Jobs;
+using BenchmarkDotNet.Loggers;
+using Perfolizer.Models;
+
+namespace Benchmark.Benchmarks
+{
+    public class Config : ManualConfig
+    {
+        public Config()
+        {
+            AddLogger(ConsoleLogger.Default);
+
+            AddExporter(CsvExporter.Default);
+            AddExporter(MarkdownExporter.GitHub);
+            AddExporter(HtmlExporter.Default);
+
+            AddDiagnoser(MemoryDiagnoser.Default);
+            AddColumn(TargetMethodColumn.Method);
+
+            AddColumn(JobCharacteristicColumn.AllColumns);
+            AddColumnProvider(DefaultColumnProviders.Params);
+            AddColumn(StatisticColumn.Mean);
+
+            AddColumn(StatisticColumn.StdDev);
+            AddColumn(StatisticColumn.Error);
+
+            AddColumn(BaselineRatioColumn.RatioMean);
+            AddColumnProvider(DefaultColumnProviders.Metrics);
+
+            string[] targetVersions = [
+                    "7.4.0",
+                    "9.0.0-pre01",
+                ];
+
+            foreach (var version in targetVersions)
+            {
+                AddJob(Job.ShortRun
+                    .WithLaunchCount(1)
+                    .WithWarmupCount(2)
+                    .WithIterationCount(10)
+                    .WithMsBuildArguments($"/p:SciVersion={version}")
+                    .WithId($"v{version}")
+                );
+            }
+
+            Options |= ConfigOptions.JoinSummary;
+        }
+    }
+}

src/Benchmark.Development/Benchmarks/TestAll.cs

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+using Benchmark.Classes;
+using BenchmarkDotNet.Attributes;
+
+namespace Benchmark.Benchmarks
+{
+    public class TestAll
+    {
+        private Foo _fooInstance;
+        private Customer _customerInstance;
+
+        [Params(100_000)]//, 1_000_000)]
+        public int Iterations { get; set; }
+
+        [Benchmark]
+        public void MapsterTest()
+        {
+            TestAdaptHelper.TestMapsterAdapter<Foo, Foo>(_fooInstance, Iterations);
+            TestAdaptHelper.TestMapsterAdapter<Customer, CustomerDTO>(_customerInstance, Iterations);
+        }
+
+        [GlobalSetup(Target = nameof(MapsterTest))]
+        public void SetupMapster()
+        {
+            _fooInstance = TestAdaptHelper.SetupFooInstance();
+            _customerInstance = TestAdaptHelper.SetupCustomerInstance();
+            TestAdaptHelper.ConfigureMapster(_fooInstance, MapsterCompilerType.Default);
+            TestAdaptHelper.ConfigureMapster(_customerInstance, MapsterCompilerType.Default);
+        }
+    }
+}

src/Benchmark.Development/Benchmarks/TestComplexTypes.cs

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+using Benchmark.Classes;
+using BenchmarkDotNet.Attributes;
+
+namespace Benchmark.Benchmarks
+{
+    public class TestComplexTypes
+    {
+        private Customer _customerInstance;
+
+        [Params(1000, 10_000, 100_000, 1_000_000)]
+        public int Iterations { get; set; }
+
+        [Benchmark]
+        public void MapsterTest()
+        {
+            TestAdaptHelper.TestMapsterAdapter<Customer, CustomerDTO>(_customerInstance, Iterations);
+        }
+
+        [GlobalSetup(Target = nameof(MapsterTest))]
+        public void SetupMapster()
+        {
+            _customerInstance = TestAdaptHelper.SetupCustomerInstance();
+            TestAdaptHelper.ConfigureMapster(_customerInstance, MapsterCompilerType.Default);
+        }
+    }
+}

src/Benchmark.Development/Benchmarks/TestSimpleTypes.cs

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+using Benchmark.Classes;
+using BenchmarkDotNet.Attributes;
+
+namespace Benchmark.Benchmarks
+{
+    public class TestSimpleTypes
+    {
+        private Foo _fooInstance;
+
+        [Params(1000, 10_000, 100_000, 1_000_000)]
+        public int Iterations { get; set; }
+
+        [Benchmark]
+        public void MapsterTest()
+        {
+            TestAdaptHelper.TestMapsterAdapter<Foo, Foo>(_fooInstance, Iterations);
+        }
+
+        [GlobalSetup(Target = nameof(MapsterTest))]
+        public void SetupMapster()
+        {
+            _fooInstance = TestAdaptHelper.SetupFooInstance();
+            TestAdaptHelper.ConfigureMapster(_fooInstance, MapsterCompilerType.Default);
+        }
+    }
+}

src/Benchmark.Development/Classes/Customer.cs

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+using System.Collections.Generic;
+
+namespace Benchmark.Classes
+{
+    public class Address
+    {
+        public int Id { get; set; }
+        public string Street { get; set; }
+        public string City { get; set; }
+        public string Country { get; set; }
+    }
+
+    public class AddressDTO
+    {
+        public int Id { get; set; }
+        public string City { get; set; }
+        public string Country { get; set; }
+    }
+
+    public class Customer
+    {
+        public int Id { get; set; }
+        public string Name { get; set; }
+        public decimal? Credit { get; set; }
+        public Address Address { get; set; }
+        public Address HomeAddress { get; set; }
+        public Address[] Addresses { get; set; }
+        public ICollection<Address> WorkAddresses { get; set; }
+    }
+
+    public class CustomerDTO
+    {
+        public int Id { get; set; }
+        public string Name { get; set; }
+        public Address Address { get; set; }
+        public AddressDTO HomeAddress { get; set; }
+        public AddressDTO[] Addresses { get; set; }
+        public List<AddressDTO> WorkAddresses { get; set; }
+        public string AddressCity { get; set; }
+    }
+}

src/Benchmark.Development/Classes/Foo.cs

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+using System;
+using System.Collections.Generic;
+
+namespace Benchmark.Classes
+{
+    public class Foo
+    {
+        public string Name { get; set; }
+
+        public int Int32 { get; set; }
+
+        public long Int64 { set; get; }
+
+        public int? NullInt { get; set; }
+
+        public float Floatn { get; set; }
+
+        public double Doublen { get; set; }
+
+        public DateTime DateTime { get; set; }
+
+        public Foo Foo1 { get; set; }
+
+        public IEnumerable<Foo> Foos { get; set; }
+
+        public Foo[] FooArr { get; set; }
+
+        public int[] IntArr { get; set; }
+
+        public IEnumerable<int> Ints { get; set; }
+    }
+}

src/Benchmark.Development/Directory.Build.props

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+<Project>
+	<PropertyGroup>
+		<!-- Properties related to build/pack -->
+        <IsPackable>false</IsPackable>
+    </PropertyGroup>
+    <PropertyGroup>
+		<!-- Metadata -->
+		<Authors>chaowlert;eric_swann;andrerav</Authors>
+		<Copyright>Copyright (c) $([System.DateTime]::Now.ToString(`yyyy`)) Chaowlert Chaisrichalermpol, Eric Swann, Andreas Ravnestad</Copyright>
+		<GeneratePackageOnBuild>false</GeneratePackageOnBuild>
+		<PackageReleaseNotes></PackageReleaseNotes>
+		<PackageLicenseExpression>MIT</PackageLicenseExpression>
+		<SignAssembly>false</SignAssembly>
+		<PublicSign Condition=" '$(OS)' != 'Windows_NT' ">true</PublicSign>
+		<IsPackable>false</IsPackable>
+        <LangVersion>12</LangVersion>	
+    </PropertyGroup>
+</Project>

src/Benchmark.Development/Program.cs

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+using Benchmark.Benchmarks;
+using BenchmarkDotNet.Running;
+
+var switcher = new BenchmarkSwitcher(new[]
+            {
+                typeof(TestSimpleTypes),
+                typeof(TestComplexTypes),
+                typeof(TestAll),
+            });
+
+switcher.Run(args, new Config());

src/Benchmark.Development/TestAdaptHelper.cs

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+using Benchmark.Classes;
+using Mapster;
+using System.Linq.Expressions;
+
+namespace Benchmark
+{
+    public static class TestAdaptHelper
+    {
+
+        public static Customer SetupCustomerInstance()
+        {
+            return new Customer
+            {
+                Address = new Address { City = "istanbul", Country = "turkey", Id = 1, Street = "istiklal cad." },
+                HomeAddress = new Address { City = "istanbul", Country = "turkey", Id = 2, Street = "istiklal cad." },
+                Id = 1,
+                Name = "Eduardo Najera",
+                Credit = 234.7m,
+                WorkAddresses = new List<Address>
+                {
+                    new Address {City = "istanbul", Country = "turkey", Id = 5, Street = "istiklal cad."},
+                    new Address {City = "izmir", Country = "turkey", Id = 6, Street = "konak"}
+                },
+                Addresses = new[]
+                {
+                    new Address {City = "istanbul", Country = "turkey", Id = 3, Street = "istiklal cad."},
+                    new Address {City = "izmir", Country = "turkey", Id = 4, Street = "konak"}
+                }
+            };
+        }
+
+        public static Foo SetupFooInstance()
+        {
+            return new Foo
+            {
+                Name = "foo",
+                Int32 = 12,
+                Int64 = 123123,
+                NullInt = 16,
+                DateTime = DateTime.Now,
+                Doublen = 2312112,
+                Foo1 = new Foo { Name = "foo one" },
+                Foos = new List<Foo>
+                {
+                    new Foo {Name = "j1", Int64 = 123, NullInt = 321},
+                    new Foo {Name = "j2", Int32 = 12345, NullInt = 54321},
+                    new Foo {Name = "j3", Int32 = 12345, NullInt = 54321}
+                },
+                FooArr = new[]
+                {
+                    new Foo {Name = "a1"},
+                    new Foo {Name = "a2"},
+                    new Foo {Name = "a3"}
+                },
+                IntArr = new[] { 1, 2, 3, 4, 5 },
+                Ints = new[] { 7, 8, 9 }
+            };
+        }
+
+        private static readonly Func<LambdaExpression, Delegate> _defaultCompiler = TypeAdapterConfig.GlobalSettings.Compiler;
+
+        private static void SetupCompiler(MapsterCompilerType type)
+        {
+            TypeAdapterConfig.GlobalSettings.Compiler = type switch
+            {
+                MapsterCompilerType.Default => _defaultCompiler,
+               // MapsterCompilerType.Roslyn => exp => exp.CompileWithDebugInfo(),
+               // MapsterCompilerType.FEC => exp => exp.CompileFast(),
+                _ => throw new ArgumentOutOfRangeException(nameof(type)),
+            };
+        }
+        public static void ConfigureMapster(Foo fooInstance, MapsterCompilerType type)
+        {
+            SetupCompiler(type);
+            TypeAdapterConfig.GlobalSettings.Compile(typeof(Foo), typeof(Foo)); //recompile
+            fooInstance.Adapt<Foo, Foo>(); //exercise
+        }
+
+        public static void ConfigureMapster(Customer customerInstance, MapsterCompilerType type)
+        {
+            SetupCompiler(type);
+            TypeAdapterConfig.GlobalSettings.Compile(typeof(Customer), typeof(CustomerDTO));    //recompile
+            customerInstance.Adapt<Customer, CustomerDTO>();    //exercise
+        }
+
+        public static void TestMapsterAdapter<TSrc, TDest>(TSrc item, int iterations)
+            where TSrc : class
+            where TDest : class, new()
+        {
+            Loop(item, get => get.Adapt<TSrc, TDest>(), iterations);
+        }
+
+        private static void Loop<T>(T item, Action<T> action, int iterations)
+        {
+            for (var i = 0; i < iterations; i++) action(item);
+        }
+    }
+
+    public enum MapsterCompilerType
+    {
+        Default,
+        Roslyn,
+        FEC,
+    }
+}