added benchmark option to compare netfx and core runtime

Tests/MQTTnet.Benchmarks/Configurations/AllowNonOptimized.cs

@@ -3,20 +3,17 @@ using BenchmarkDotNet.Configs;
 using BenchmarkDotNet.Jobs;
 using BenchmarkDotNet.Validators;
 
-namespace MQTTnet.Benchmarks
+namespace MQTTnet.Benchmarks.Configurations
 {
     /// <summary>
     /// this options may be used to run benchmarks in debugmode and attach a performance profiler
     /// https://benchmarkdotnet.org/Configs/Configs.htm
     /// </summary>
-    public class AllowNonOptimized : ManualConfig
+    public class AllowNonOptimized : BaseConfig
     {
         public AllowNonOptimized()
         {
             Add(JitOptimizationsValidator.DontFailOnError); // ALLOW NON-OPTIMIZED DLLS
-            Add(DefaultConfig.Instance.GetLoggers().ToArray()); // manual config has no loggers by default
-            Add(DefaultConfig.Instance.GetExporters().ToArray()); // manual config has no exporters by default
-            Add(DefaultConfig.Instance.GetColumnProviders().ToArray()); // manual config has no columns by default
             Add(Job.InProcess);
         }
     }

Tests/MQTTnet.Benchmarks/Configurations/BaseConfig.cs

@@ -0,0 +1,15 @@
+using BenchmarkDotNet.Configs;
+using System.Linq;
+
+namespace MQTTnet.Benchmarks.Configurations
+{
+    public class BaseConfig : ManualConfig
+    {
+        public BaseConfig()
+        {
+            Add(DefaultConfig.Instance.GetLoggers().ToArray()); // manual config has no loggers by default
+            Add(DefaultConfig.Instance.GetExporters().ToArray()); // manual config has no exporters by default
+            Add(DefaultConfig.Instance.GetColumnProviders().ToArray()); // manual config has no columns by default
+        }
+    }
+}

Tests/MQTTnet.Benchmarks/Configurations/RuntimeCompareConfig.cs

@@ -0,0 +1,17 @@
+using BenchmarkDotNet.Configs;
+using BenchmarkDotNet.Environments;
+using BenchmarkDotNet.Jobs;
+using BenchmarkDotNet.Toolchains.CsProj;
+
+namespace MQTTnet.Benchmarks.Configurations
+{
+    public class RuntimeCompareConfig : BaseConfig
+    {
+        public RuntimeCompareConfig()
+        {
+            Add(Job.Default.With(Runtime.Clr));
+            Add(Job.Default.With(Runtime.Core).With(CsProjCoreToolchain.NetCoreApp21));
+        }
+
+    }
+}

Tests/MQTTnet.Benchmarks/Program.cs

@@ -1,5 +1,6 @@
 using System;
 using BenchmarkDotNet.Running;
+using MQTTnet.Benchmarks.Configurations;
 using MQTTnet.Diagnostics;
 
 namespace MQTTnet.Benchmarks
@@ -43,7 +44,7 @@ namespace MQTTnet.Benchmarks
                     BenchmarkRunner.Run<TcpPipesBenchmark>();
                     break;
                 case '8':
-                    BenchmarkRunner.Run<MessageProcessingMqttConnectionContextBenchmark>(new AllowNonOptimized());
+                    BenchmarkRunner.Run<MessageProcessingMqttConnectionContextBenchmark>(new RuntimeCompareConfig()/*new AllowNonOptimized()*/);
                     break;
             }