Add Norm benchmarks tests

benchmarks/Dapper.Tests.Performance/Benchmarks.Norm.cs

@@ -0,0 +1,42 @@
+#if NET4X 
+#else
+using BenchmarkDotNet.Attributes;
+using System.ComponentModel;
+using System.Linq;
+using Norm;
+using System;
+
+namespace Dapper.Tests.Performance
+{
+    [Description("Norm")]
+    public class NormBenchmarks : BenchmarkBase
+    {
+        [GlobalSetup]
+        public void Setup()
+        {
+            BaseSetup();
+        }
+
+        [Benchmark(Description = "Read<T> (class)")]
+        public Post Read()
+        {
+            Step();
+            return _connection.Read<Post>("select * from Posts where Id = @Id", i).First();
+        }
+
+        [Benchmark(Description = "Read<T1, T2, ...> (simple values in a tuple)")]
+        public (int, string, DateTime, DateTime, int?, int?, int?, int?, int?, int?, int?, int?) ReadSimpleValues()
+        {
+            Step();
+            return _connection.Read<int, string, DateTime, DateTime, int?, int?, int?, int?, int?, int?, int?, int?>("select * from Posts where Id = @Id", i).First();
+        }
+
+        [Benchmark(Description = "Read<(T1, T2, ...)> (named tuple)")]
+        public (int Id, string Text, DateTime CreationDate, DateTime LastChangeDate, int? Counter1, int? Counter2, int? Counter3, int? Counter4, int? Counter5, int? Counter6, int? Counter7, int? Counter8) ReadTuple()
+        {
+            Step();
+            return _connection.Read<(int Id, string Text, DateTime CreationDate, DateTime LastChangeDate, int? Counter1, int? Counter2, int? Counter3, int? Counter4, int? Counter5, int? Counter6, int? Counter7, int? Counter8)>("select * from Posts where Id = @Id", i).First();
+        }
+    }
+}
+#endif

benchmarks/Dapper.Tests.Performance/Dapper.Tests.Performance.csproj

@@ -48,4 +48,9 @@
   <ItemGroup Condition="'$(TargetFramework)' != 'net462'">
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="5.0.0" />
   </ItemGroup>
+  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1'">
+    <PackageReference Include="Norm.net">
+      <Version>3.1.0</Version>
+    </PackageReference>
+  </ItemGroup>
 </Project>