Performance issue solved, fully works with Microsoft DI

Example.Backend/Example.Backend.csproj

@@ -8,10 +8,13 @@
         <Nullable>enable</Nullable>
 
         <LangVersion>9</LangVersion>
+        
+        <PublishAot>true</PublishAot>
     </PropertyGroup>
 
     <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
       <DefineConstants>TRACE</DefineConstants>
+      <PlatformTarget>x64</PlatformTarget>
     </PropertyGroup>
 
     <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">

Example.Backend/LoadTestImp.cs

@@ -12,7 +12,6 @@ namespace Example.Backend
         public static int N;
         public Task<int> Next(int last)
         {
-            Console.WriteLine(++N);
             return Task.FromResult( last + 1);
         }