Adjust type finder and adds benchmark

src/Umbraco.Tests.Benchmarks/TypeFinderBenchmarks.cs

@@ -0,0 +1,30 @@
+using BenchmarkDotNet.Attributes;
+using System;
+using System.Linq;
+using Umbraco.Core.Composing;
+using Umbraco.Core.Logging;
+using Umbraco.Tests.Benchmarks.Config;
+
+namespace Umbraco.Tests.Benchmarks
+{
+    [MediumRunJob]
+    [MemoryDiagnoser]
+    public class TypeFinderBenchmarks
+    {
+
+        [Benchmark(Baseline = true)]
+        public void WithGetReferencingAssembliesCheck()
+        {
+            var typeFinder1 = new TypeFinder(new NullLogger(), new DefaultUmbracoAssemblyProvider(GetType().Assembly));
+            var found = typeFinder1.FindClassesOfType<IDiscoverable>().Count();
+        }
+
+        [Benchmark]
+        public void WithoutGetReferencingAssembliesCheck()
+        {
+            var typeFinder2 = new TypeFinder(new NullLogger(), new DefaultUmbracoAssemblyProvider(GetType().Assembly));
+            typeFinder2.QueryWithReferencingAssemblies = false;
+            var found = typeFinder2.FindClassesOfType<IDiscoverable>().Count();
+        }
+    }
+}