Test case specifically to demonstrate that performance can vary depending on if WithId is being used.

Author: BorisTheBrave

DeBroglie.Benchmark/Benchmarks.cs

@@ -1,5 +1,7 @@
 using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Diagnosers;
 using BenchmarkDotNet.Diagnostics.Windows.Configs;
+using BenchmarkDotNet.Order;
 using DeBroglie.Constraints;
 using DeBroglie.Models;
 using DeBroglie.Rot;
@@ -10,6 +12,27 @@
 namespace DeBroglie.Benchmark
 {
     //[EtwProfiler] // Or use -p ETW on command line
+    //[ClrJob, MonoJob, CoreJob, CoreRtJob]
+    //[LegacyJitX86Job, LegacyJitX64Job, RyuJitX64Job]
+    /*
+    [HardwareCounters(
+        HardwareCounter.Timer,
+        HardwareCounter.TotalIssues,
+        HardwareCounter.BranchInstructions,
+        HardwareCounter.CacheMisses,
+        HardwareCounter.BranchMispredictions
+        //HardwareCounter.TotalCycles,
+        //HardwareCounter.UnhaltedCoreCycles,
+        //HardwareCounter.InstructionRetired,
+        //HardwareCounter.UnhaltedReferenceCycles,
+        //HardwareCounter.LlcReference,
+        //HardwareCounter.LlcMisses,
+        //HardwareCounter.BranchInstructionRetired,
+        //HardwareCounter.BranchMispredictsRetired
+    )]
+    */
+    //[DisassemblyDiagnoser(printAsm: true, printSource: true)]
+    [Orderer(SummaryOrderPolicy.Declared, MethodOrderPolicy.Declared)]
     public class Benchmarks
     {
         private TilePropagator propagator1;
@@ -23,11 +46,6 @@ public class Benchmarks
         public void Setup()
         {
             FreeSetup();
-            ChessSetup();
-            CastleSetup();
-            EdgedPathSetup();
-            PathSetup();
-            CountSetup();
         }
 
         private void Check(TilePropagator p)
@@ -61,7 +79,6 @@ public void Free()
             propagator1.Run();
         }
 
-
         public void ChessSetup()
         {
             var topology = new Topology(10, 10, 10, false);
@@ -83,7 +100,7 @@ public void ChessSetup()
             propagator2 = new TilePropagator(model, topology, new TilePropagatorOptions { });
         }
 
-        [Benchmark]
+        //[Benchmark]
         public void Chess()
         {
             propagator2.Clear();
@@ -101,7 +118,7 @@ public void CastleSetup()
         }
 
 
-        [Benchmark]
+        //[Benchmark]
         public void Castle()
         {
             propagator3.Clear();
@@ -193,8 +210,6 @@ public void EdgedPath()
             Check(propagator4);
         }
 
-
-
         public void PathSetup()
         {
 
@@ -218,7 +233,7 @@ public void PathSetup()
             });
         }
 
-        [Benchmark]
+        //[Benchmark]
         public void Path()
         {
             propagator5.Clear();
@@ -271,7 +286,7 @@ public void CountSetup()
             propagator6 = new TilePropagator(model, topology, options);
         }
 
-        [Benchmark]
+        //[Benchmark]
         public void Count()
         {
             propagator6.Clear();

DeBroglie.Benchmark/DeBroglie.Benchmark.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFrameworks>netcoreapp2.1;net472</TargetFrameworks>
     <DebugType>pdbonly</DebugType>
     <DebugSymbols>true</DebugSymbols>
   </PropertyGroup>

DeBroglie.Benchmark/Program.cs

@@ -1,4 +1,6 @@
 using BenchmarkDotNet.Configs;
+using BenchmarkDotNet.Environments;
+using BenchmarkDotNet.Jobs;
 using BenchmarkDotNet.Running;
 
 namespace DeBroglie.Benchmark
@@ -7,21 +9,13 @@ public class Program
     {
         public static void Main(string[] args)
         {
-            /*
-            for (var i = 0; i < 20; i++)
-            {
-                var benchmark = new Benchmarks();
-                benchmark.Setup();
-                benchmark.EdgedPath();
-                System.Console.WriteLine(i);
-            }
-            */
-            var benchmark = new Benchmarks();
-            benchmark.FreeSetup();
-            benchmark.Free();
-
-            //BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly).Run(args);
-            //BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly).Run(args, new DebugInProcessConfig());
+            BenchmarkRunner
+                .Run<Benchmarks>(
+                    DefaultConfig.Instance
+                        .With(Job.Default.WithId("A"))
+                        .With(Job.Default)
+                        .With(Job.Default.WithId("Z"))
+                        );
         }
     }
 }

DeBroglie/TilePropagatorTileSet.cs

@@ -17,16 +17,22 @@ internal TilePropagatorTileSet(IEnumerable<Tile> tiles)
         {
             Tiles = tiles.ToArray();
             OffsetToPatterns = new Dictionary<int, ISet<int>>();
+            OffsetToPatternsBitArray = new Foo();
         }
 
         public IReadOnlyCollection<Tile> Tiles { get; }
 
         internal Dictionary<int, ISet<int>> OffsetToPatterns { get; }
-        internal Dictionary<int, BitArray> OffsetToPatternsBitArray { get; }
+        internal Foo OffsetToPatternsBitArray { get; }
 
         public override string ToString()
         {
             return string.Join(",", Tiles);
         }
     }
+
+    class Foo
+    {
+
+    }
 }