Add system to the comparison benchmarks.

source/Quantities.Benchmark/Compare/ComplexCreation.cs

@@ -0,0 +1,41 @@
+using BenchmarkDotNet.Attributes;
+using Quantities.Prefixes;
+using Quantities.Units.Si;
+using Quantities.Units.Si.Metric;
+
+namespace Quantities.Benchmark.Compare;
+
+[MemoryDiagnoser]
+public class ComplexCreation
+{
+    private static readonly Double value = Math.E;
+
+    [Benchmark(Baseline = true)]
+    public Volume CreateQuantity() => Volume.Of(value).Cubic.Si<Centi, Metre>();
+
+    [Benchmark]
+    public UnitsNet.Volume CreateUnitsNet() => UnitsNet.Volume.FromCubicCentimeters(value);
+
+    [Benchmark]
+    public Volume CreateQuantityCentiLitre() => Volume.Of(value).Metric<Centi, Litre>();
+
+    [Benchmark]
+    public UnitsNet.Volume CreateUnitsNetCentiLitre() => UnitsNet.Volume.FromCentiliters(value);
+}
+/*
+// * Summary *
+
+BenchmarkDotNet v0.13.8, Arch Linux
+Intel Core i7-8565U CPU 1.80GHz (Whiskey Lake), 1 CPU, 8 logical and 4 physical cores
+.NET SDK 7.0.111
+  [Host]     : .NET 7.0.11 (7.0.1123.46301), X64 RyuJIT AVX2
+  DefaultJob : .NET 7.0.11 (7.0.1123.46301), X64 RyuJIT AVX2
+
+
+| Method                   | Mean     | Error    | StdDev   | Ratio | Allocated | Alloc Ratio |
+|------------------------- |---------:|---------:|---------:|------:|----------:|------------:|
+| CreateQuantity           | 23.63 ns | 0.247 ns | 0.231 ns |  1.00 |         - |          NA |
+| CreateUnitsNet           | 12.92 ns | 0.044 ns | 0.041 ns |  0.55 |         - |          NA |
+| CreateQuantityCentiLitre | 27.19 ns | 0.068 ns | 0.064 ns |  1.15 |         - |          NA |
+| CreateUnitsNetCentiLitre | 12.66 ns | 0.095 ns | 0.089 ns |  0.54 |         - |          NA |
+*/

source/Quantities.Benchmark/Compare/Division.cs

@@ -0,0 +1,40 @@
+using BenchmarkDotNet.Attributes;
+using Quantities.Prefixes;
+using Quantities.Units.Imperial.Length;
+using Quantities.Units.Si;
+using Quantities.Units.Si.Metric;
+using nLength = UnitsNet.Length;
+using nVolume = UnitsNet.Volume;
+
+namespace Quantities.Benchmark.Compare;
+
+[MemoryDiagnoser]
+public class Division
+{
+    private static readonly Volume left = Volume.Of(32).Metric<Centi, Litre>();
+    private static readonly Length right = Length.Of(4).Imperial<Foot>();
+    private static readonly nVolume nLeft = nVolume.FromCentiliters(32);
+    private static readonly nLength nRight = nLength.FromFeet(4);
+
+    [Benchmark(Baseline = true)]
+    public Area Quantity() => left / right;
+
+    [Benchmark]
+    public UnitsNet.Area UnitsNet() => nLeft / nRight;
+}
+
+/*
+// * Summary *
+
+BenchmarkDotNet v0.13.8, Arch Linux
+Intel Core i7-8565U CPU 1.80GHz (Whiskey Lake), 1 CPU, 8 logical and 4 physical cores
+.NET SDK 7.0.111
+  [Host]     : .NET 7.0.11 (7.0.1123.46301), X64 RyuJIT AVX2
+  DefaultJob : .NET 7.0.11 (7.0.1123.46301), X64 RyuJIT AVX2
+
+
+| Method   | Mean     | Error    | StdDev   | Ratio | RatioSD | Allocated | Alloc Ratio |
+|--------- |---------:|---------:|---------:|------:|--------:|----------:|------------:|
+| Quantity | 12.06 ns | 0.055 ns | 0.046 ns |  1.00 |    0.00 |         - |          NA |
+| UnitsNet | 80.38 ns | 0.243 ns | 0.216 ns |  6.66 |    0.03 |         - |          NA |
+*/

source/Quantities.Benchmark/Compare/Multiplication.cs

@@ -16,10 +16,10 @@ public class Multiplication
     private static readonly nLength nRight = nLength.FromMillimeters(4);
 
     [Benchmark(Baseline = true)]
-    public UnitsNet.Area UnitsNetMultiply() => nLeft * nRight;
+    public Area Quantity() => left * right;
 
     [Benchmark]
-    public Area QuantityMultiply() => left * right;
+    public UnitsNet.Area UnitsNet() => nLeft * nRight;
 }
 
 /*
@@ -32,8 +32,8 @@ .NET SDK 7.0.111
   DefaultJob : .NET 7.0.11 (7.0.1123.46301), X64 RyuJIT AVX2
 
 
-| Method           | Mean     | Error    | StdDev   | Ratio | Allocated | Alloc Ratio |
-|----------------- |---------:|---------:|---------:|------:|----------:|------------:|
-| UnitsNetMultiply | 78.01 ns | 0.527 ns | 0.493 ns |  1.00 |         - |          NA |
-| QuantityMultiply | 10.64 ns | 0.046 ns | 0.041 ns |  0.14 |         - |          NA |
+| Method   | Mean     | Error    | StdDev   | Ratio | RatioSD | Allocated | Alloc Ratio |
+|--------- |---------:|---------:|---------:|------:|--------:|----------:|------------:|
+| Quantity | 10.48 ns | 0.052 ns | 0.049 ns |  1.00 |    0.00 |         - |          NA |
+| UnitsNet | 74.90 ns | 0.313 ns | 0.292 ns |  7.14 |    0.05 |         - |          NA |
 */

source/Quantities.Benchmark/Compare/ScalarCreation.cs

@@ -0,0 +1,35 @@
+using BenchmarkDotNet.Attributes;
+using Quantities.Prefixes;
+using Quantities.Units.Si;
+
+using nLength = UnitsNet.Length;
+
+namespace Quantities.Benchmark.Compare;
+
+[MemoryDiagnoser]
+public class ScalarCreation
+{
+    private static readonly Double value = Math.E;
+
+    [Benchmark(Baseline = true)]
+    public Length Quantity() => Length.Of(value).Si<Centi, Metre>();
+
+    [Benchmark]
+    public nLength UnitsNet() => nLength.FromCentimeters(value);
+}
+
+/*
+// * Summary *
+
+BenchmarkDotNet v0.13.8, Arch Linux
+Intel Core i7-8565U CPU 1.80GHz (Whiskey Lake), 1 CPU, 8 logical and 4 physical cores
+.NET SDK 7.0.111
+  [Host]     : .NET 7.0.11 (7.0.1123.46301), X64 RyuJIT AVX2
+  DefaultJob : .NET 7.0.11 (7.0.1123.46301), X64 RyuJIT AVX2
+
+
+| Method   | Mean     | Error    | StdDev   | Ratio | RatioSD | Allocated | Alloc Ratio |
+|--------- |---------:|---------:|---------:|------:|--------:|----------:|------------:|
+| Quantity | 10.68 ns | 0.150 ns | 0.141 ns |  1.00 |    0.00 |         - |          NA |
+| UnitsNet | 12.84 ns | 0.139 ns | 0.130 ns |  1.20 |    0.02 |         - |          NA |
+*/

source/Quantities.Benchmark/Program.cs

@@ -3,4 +3,5 @@
 using Quantities.Benchmark;
 
 // dotnet run -c Release --project Quantities.Benchmark/
-BenchmarkRunner.Run<MultiplyingQuantities>();
+//BenchmarkRunner.Run<MultiplyingQuantities>();
+BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly).Run(args);