Added Benchmark Harness (#1729)

- Added NavigationStack Benchmarks - Added AutoPersist Benchmarks - Added ReactiveList Operations Benchmarks - Added RoutableViewModelMixin Benchmarks
reactiveui · Aug 24, 2018 · a15c758 · a15c758
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diff --git a/benchmarks/ReactiveUI.Benchmarks.sln b/benchmarks/ReactiveUI.Benchmarks.sln
@@ -0,0 +1,39 @@
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diff --git a/benchmarks/ReactiveUI.Benchmarks/AutoPersistBenchmark.cs b/benchmarks/ReactiveUI.Benchmarks/AutoPersistBenchmark.cs
@@ -0,0 +1,31 @@
+using System;
+using System.Reactive;
+using System.Reactive.Linq;
+using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Attributes.Exporters;
+using BenchmarkDotNet.Attributes.Jobs;
+
+namespace ReactiveUI.Benchmarks
+{
+    [CoreJob]
+    [MarkdownExporterAttribute.GitHub]
+    public class AutoPersistBenchmark
+    {
+        private ReactiveList<string> _collection;
+
+        [GlobalSetup]
+        public void Setup()
+        {
+            _collection = new ReactiveList<string>(new[]
+            {
+                "ReactiveUI",
+                "ReactiveUI.XamForms",
+                "ReactiveUI.WPF",
+                "ReactiveUI.Events"
+            });
+        }
+
+        [Benchmark]
+        public void AutoPersistCollection() => _collection.AutoPersist(x => Observable.Return(Unit.Default), TimeSpan.FromMilliseconds(200));
+    }
+}
diff --git a/benchmarks/ReactiveUI.Benchmarks/CreateReactiveListBenchmark.cs b/benchmarks/ReactiveUI.Benchmarks/CreateReactiveListBenchmark.cs
@@ -0,0 +1,47 @@
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Attributes.Exporters;
+using BenchmarkDotNet.Attributes.Jobs;
+using BenchmarkDotNet.Configs;
+using BenchmarkDotNet.Jobs;
+using BenchmarkDotNet.Toolchains.CsProj;
+using DynamicData;
+
+namespace ReactiveUI.Benchmarks
+{
+    [CoreJob]
+    [MarkdownExporterAttribute.GitHub]
+    public class CreateReactiveListBenchmark
+    {
+        [Benchmark(Baseline = true)]
+        public object CreateList() => new List<string>();
+
+        [Benchmark]
+        public object CreateObservableCollection() => new ObservableCollection<string>();
+
+        [Benchmark]
+        public object CreateReactiveList() => new ReactiveList<string>();
+
+        [Benchmark]
+        public object CreateReactiveListFromList() => new ReactiveList<string>(new string[]
+        {
+            "ReactiveUI",
+            "ReactiveUI.XamForms",
+            "ReactiveUI.WPF",
+            "ReactiveUI.Events",
+            "ReactiveUI",
+            "ReactiveUI.XamForms",
+            "ReactiveUI.WPF",
+            "ReactiveUI.Events"
+        });
+
+        [Benchmark]
+        public object CreateReadOnlyObservableList() =>
+            new ReadOnlyObservableCollection<string>(new ObservableCollection<string>(Enumerable.Empty<string>()));
+
+        [Benchmark]
+        public object CreateSourceList() => new SourceList<string>().Connect().AsObservableList();
+    }
+}
diff --git a/benchmarks/ReactiveUI.Benchmarks/Harness.cs b/benchmarks/ReactiveUI.Benchmarks/Harness.cs
@@ -0,0 +1,45 @@
+using System;
+using BenchmarkDotNet.Running;
+using Xunit;
+
+namespace ReactiveUI.Benchmarks
+{
+    public class Harness
+    {
+        [Fact]
+        public void Auto_Persist_Benchmark()
+        {
+            BenchmarkRunner.Run<AutoPersistBenchmark>();
+        }
+
+        [Fact]
+        public void Create_Reactive_List_Benchmark()
+        {
+            BenchmarkRunner.Run<CreateReactiveListBenchmark>();
+        }
+
+        [Fact]
+        public void Reactive_List_Operation_Benchmark()
+        {
+            BenchmarkRunner.Run<ReactiveListOperationBenchmark>();
+        }
+
+        [Fact]
+        public void Navigation_Reactive_List_Benchmark()
+        {
+            BenchmarkRunner.Run<NavigationStackBenchmark>();
+        }
+
+        [Fact]
+        public void Routable_View_Model_Mixin_Benchmark()
+        {
+            BenchmarkRunner.Run<RoutableViewModelMixinsBenchmarks>();
+        }
+
+        [Fact]
+        public void INPC_Observable_For_Property_Benchmarks()
+        {
+            BenchmarkRunner.Run<INPCObservableForPropertyBenchmarks>();
+        }
+    }
+}
diff --git a/benchmarks/ReactiveUI.Benchmarks/INPCObservableForPropertyBenchmarks.cs b/benchmarks/ReactiveUI.Benchmarks/INPCObservableForPropertyBenchmarks.cs
@@ -0,0 +1,78 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq.Expressions;
+using System.Runtime.CompilerServices;
+using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Attributes.Columns;
+using BenchmarkDotNet.Attributes.Exporters;
+using BenchmarkDotNet.Attributes.Jobs;
+
+namespace ReactiveUI.Benchmarks
+{
+    [ClrJob]
+    [CoreJob]
+    [MonoJob]
+    [RPlotExporter]
+    [RankColumn]
+    [MarkdownExporterAttribute.GitHub]
+    public class INPCObservableForPropertyBenchmarks
+    {
+        private Expression exp;
+        private readonly Expression<Func<TestClassChanged, string>> expr = x => x.Property1;
+        private readonly INPCObservableForProperty instance = new INPCObservableForProperty();
+        private string propertyName;
+
+
+        [GlobalSetup]
+        public void Setup()
+        {
+            exp = Reflection.Rewrite(expr.Body);
+            propertyName = exp.GetMemberInfo().Name;
+        }
+
+        [Benchmark]
+        public void PropertyBinding()
+        {
+            var testClass = new TestClassChanged();
+
+            var changes = new List<IObservedChange<object, object>>();
+            instance.GetNotificationForProperty(testClass, exp, propertyName, false).Subscribe(c => changes.Add(c));
+        }
+
+        private class TestClassChanged : INotifyPropertyChanged
+        {
+            private string property;
+
+            private string property2;
+
+            public string Property1
+            {
+                get => property;
+                set
+                {
+                    property = value;
+                    OnPropertyChanged();
+                }
+            }
+
+            public string Property2
+            {
+                get => property2;
+                set
+                {
+                    property2 = value;
+                    OnPropertyChanged();
+                }
+            }
+
+            public event PropertyChangedEventHandler PropertyChanged;
+
+            public void OnPropertyChanged([CallerMemberName] string propertyName = null)
+            {
+                var handler = PropertyChanged;
+                if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
+            }
+        }
+    }
+}
diff --git a/benchmarks/ReactiveUI.Benchmarks/Mocks/MockHostScreen.cs b/benchmarks/ReactiveUI.Benchmarks/Mocks/MockHostScreen.cs
@@ -0,0 +1,7 @@
+namespace ReactiveUI.Benchmarks
+{
+    public class MockHostScreen : IScreen
+    {
+        public RoutingState Router { get; } = new RoutingState();
+    }
+}
diff --git a/benchmarks/ReactiveUI.Benchmarks/Mocks/MockViewModel.cs b/benchmarks/ReactiveUI.Benchmarks/Mocks/MockViewModel.cs
@@ -0,0 +1,10 @@
+namespace ReactiveUI.Benchmarks
+{
+    public class MockViewModel : ReactiveObject, IRoutableViewModel
+    {
+        public IScreen HostScreen { get; }
+        public string UrlPathSegment { get; }
+
+        public MockViewModel() => HostScreen = new MockHostScreen();
+    }
+}
diff --git a/benchmarks/ReactiveUI.Benchmarks/NavigationStackBenchmark.cs b/benchmarks/ReactiveUI.Benchmarks/NavigationStackBenchmark.cs
@@ -0,0 +1,53 @@
+using System;
+using System.Linq;
+using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Attributes.Exporters;
+using BenchmarkDotNet.Attributes.Jobs;
+
+namespace ReactiveUI.Benchmarks
+{
+    [CoreJob]
+    [MarkdownExporterAttribute.GitHub]
+    public class NavigationStackBenchmark
+    {
+        private Func<MockViewModel> _mockViewModel;
+        private RoutingState _router;
+
+        [GlobalCleanup]
+        public void Cleanup()
+        {
+            _router = null;
+            _mockViewModel = null;
+        }
+
+        [Benchmark]
+        public object Navigate() => _router.Navigate.Execute(_mockViewModel()).Subscribe();
+
+        [Benchmark]
+        public object NavigateAndReset() => _router.NavigateAndReset.Execute(_mockViewModel()).Subscribe();
+
+        [Benchmark]
+        public object NavigateBack()
+        {
+            _router.NavigateAndReset.Execute(_mockViewModel()).Subscribe();
+            return _router.NavigateBack.Execute().Subscribe();
+        }
+
+        [Benchmark]
+        public object NavigationStack()
+        {
+            _router.NavigateAndReset.Execute(_mockViewModel()).Subscribe();
+            return _router.NavigationStack.ToList();
+        }
+
+        [Benchmark]
+        public object RoutingState() => new RoutingState();
+
+        [GlobalSetup]
+        public void Setup()
+        {
+            _router = new RoutingState();
+            _mockViewModel = () => new MockViewModel();
+        }
+    }
+}
diff --git a/benchmarks/ReactiveUI.Benchmarks/ReactiveListOperationBenchmark.cs b/benchmarks/ReactiveUI.Benchmarks/ReactiveListOperationBenchmark.cs
@@ -0,0 +1,61 @@
+using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Attributes.Exporters;
+using BenchmarkDotNet.Attributes.Jobs;
+using DynamicData;
+
+namespace ReactiveUI.Benchmarks
+{
+    [CoreJob]
+    [MarkdownExporterAttribute.GitHub]
+    public class ReactiveListOperationBenchmark
+    {
+        private ReactiveList<string> _reactiveList;
+
+        [GlobalSetup]
+        public void Setup()
+        {
+            _reactiveList = new ReactiveList<string>();
+        }
+
+        [GlobalCleanup]
+        public void Teardown()
+        {
+            _reactiveList = null;
+        }
+
+        [Benchmark]
+        public void Add() => _reactiveList.Add("ReactiveUI.Fody");
+
+        [Benchmark]
+        public void AddRange() => _reactiveList.AddRange(new[]
+            {
+                "ReactiveUI",
+                "ReactiveUI.XamForms",
+                "ReactiveUI.WPF",
+                "ReactiveUI.Events",
+                "ReactiveUI",
+                "ReactiveUI.XamForms",
+                "ReactiveUI.WPF",
+                "ReactiveUI.Events"
+            });
+
+        [Benchmark]
+        public void AddOrInsertRange() => _reactiveList.AddOrInsertRange(new[]
+            {
+                "ReactiveUI",
+                "ReactiveUI.XamForms",
+                "ReactiveUI.WPF",
+                "ReactiveUI.Events",
+                "ReactiveUI",
+                "ReactiveUI.XamForms",
+                "ReactiveUI.WPF",
+                "ReactiveUI.Events"
+            }, -1);
+
+        [Benchmark]
+        public void Insert() => _reactiveList.Insert(1, "ReactiveUI.Benchmarks");
+
+        [Benchmark]
+        public void RemoveItem() => _reactiveList.Remove("ReactiveUI");
+    }
+}