Merge pull request #2268 from AndyAyersMS/FractalPerf

Add FractalPerf benchmark

2 files changed, 221 insertions, 0 deletions

diff --git a/tests/src/JIT/Performance/CodeQuality/FractalPerf/FractalPerf.cs b/tests/src/JIT/Performance/CodeQuality/FractalPerf/FractalPerf.cs
new file mode 100644
index 0000000000..9d9f36095e
--- /dev/null
+++ b/tests/src/JIT/Performance/CodeQuality/FractalPerf/FractalPerf.cs
@@ -0,0 +1,176 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+using Microsoft.Xunit.Performance;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+
+[assembly: OptimizeForBenchmarks]
+[assembly: MeasureInstructionsRetired]
+
+namespace FractalPerf
+{
+    struct complex
+    {
+        public complex(double a, double b) { r = a; i = b; }
+        public double r;
+        public double i;
+
+        public complex square() {
+            return new complex(r * r - i * i, 2.0 * r * i);
+        }
+
+        public double sqabs() {
+            return r * r + i * i;
+        }
+
+        public override string ToString() {
+            return String.Format("[{0} + {1}i]", r, i);
+        }
+
+        public static complex operator +(complex a, complex b) {
+            return new complex(a.r + b.r, a.i + b.i);
+        }
+    }
+
+    public abstract class Fractal
+    {
+        protected double XB, YB, XE, YE, XS, YS;
+        const double resolution = 375.0;
+
+        public Fractal(double xbeg, double ybeg, double xend, double yend) {
+            XB = Math.Min(xbeg, xend);
+            YB = Math.Min(ybeg, yend);
+            XE = Math.Max(xbeg, xend);
+            YE = Math.Max(ybeg, yend);
+            XS = (xend - xbeg) / resolution;
+            YS = (yend - ybeg) / resolution;
+        }
+
+        public abstract double Render();
+
+        public static double Clamp(double val, double lo, double hi) {
+            return Math.Min(Math.Max(val, lo), hi);
+        }
+    }
+
+    public class Mandelbrot : Fractal
+    {
+        public Mandelbrot() : base(-2.0, -1.5, 1.0, 1.5) { }
+
+        public override double Render() {
+            double limit = 4.0;
+            double result = 0.0;
+
+            for (double y = YB; y < YE; y += YS) {
+                for (double x = YB; x < YE; x += XS) {
+                    complex num = new complex(x, y);
+                    complex accum = num;
+                    int iters;
+                    for (iters = 0; iters < 1000; iters++) {
+                        accum = accum.square();
+                        accum += num;
+                        if (accum.sqabs() > limit)
+                            break;
+                    }
+                    result += iters;
+                }
+            }
+            return result;
+        }
+    }
+
+    public class Julia : Fractal
+    {
+        private double Real;
+        double Imaginary;
+        public Julia(double real, double imaginary)
+            : base(-2.0, -1.5, 1.0, 1.5) {
+            Real = real;
+            Imaginary = imaginary;
+        }
+
+        public override double Render() {
+            double limit = 4.0;
+            double result = 0.0;
+
+            // set the Julia Set constant
+            complex seed = new complex(Real, Imaginary);
+            // run through every point on the screen, setting 
+            // m and n to the coordinates
+            for (double m = XB; m < XE; m += XS) {
+                for (double n = YB; n < YE; n += YS) {
+                    // the initial z value is the current pixel,  
+                    // so x and y have to be set to m and n
+                    complex accum = new complex(m, n);
+                    // perform the iteration
+                    int num;
+                    for (num = 0; num < 1000; num++) {
+                        // exit the loop if the number  becomes too big
+                        if (accum.sqabs() > limit)
+                            break;
+                        // use the formula
+                        accum = accum.square() + seed;
+                    }
+                    // determine the color using the number of
+                    // iterations it took for the number to become too big 
+                    // char color = num % number_of_colors; 
+                    // plot the point
+                    result += num;
+                }
+            }
+            return result;
+        }
+    }
+
+    public class Launch
+    {
+
+#if DEBUG
+        public const int Iterations = 1;
+#else
+        public const int Iterations = 5;
+#endif
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        static bool Bench()
+        {
+            Mandelbrot m = new Mandelbrot();
+            Julia j = new Julia(-0.62, 0.41);
+            double mResult = m.Render();
+            double jResult = j.Render();
+
+            return true;
+        }
+
+        [Benchmark]
+        public static void Test() {
+            foreach (var iteration in Benchmark.Iterations) {
+                using (iteration.StartMeasurement()) {
+                    for (int i = 0; i < Iterations; i++) {
+                        Bench();
+                    }
+                }
+            }
+        }
+
+        static bool TestBase() {
+            bool result = true;
+            for (int i = 0; i < Iterations; i++) {
+                result &= Bench();
+            }
+            return result;
+        }
+    
+        public static int Main() {
+            bool result = TestBase();
+            return (result ? 100 : -1);
+        }
+    }
+}
diff --git a/tests/src/JIT/Performance/CodeQuality/FractalPerf/FractalPerf.csproj b/tests/src/JIT/Performance/CodeQuality/FractalPerf/FractalPerf.csproj
new file mode 100644
index 0000000000..a05c92fba6
--- /dev/null
+++ b/tests/src/JIT/Performance/CodeQuality/FractalPerf/FractalPerf.csproj
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{95DFC527-4DC1-495E-97D7-E94EE1F7140D}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\11.0\UITestExtensionPackages</ReferencePath>
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+    <NuGetPackageImportStamp>7a9bfb7d</NuGetPackageImportStamp>
+  </PropertyGroup>
+  <!-- Default configurations to help VS understand the configurations -->
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+  </PropertyGroup>
+  <ItemGroup>
+    <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+      <Visible>False</Visible>
+    </CodeAnalysisDependentAssemblyPaths>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="$(JitPackagesConfigFileDirectory)benchmark\project.json" />
+  </ItemGroup>
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="FractalPerf.cs" />
+  </ItemGroup>
+  <PropertyGroup>
+    <ProjectJson>$(JitPackagesConfigFileDirectory)benchmark\project.json</ProjectJson>
+    <ProjectLockJson>$(JitPackagesConfigFileDirectory)benchmark\project.lock.json</ProjectLockJson>
+  </PropertyGroup>
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+  <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' ">
+  </PropertyGroup>
+</Project>