Optimization

Method |      Mean |     Error |     StdDev |    Median |
---------------- |----------:|----------:|-----------:|----------:|
 IUnityContainer |  70.14 ns |  2.644 ns |  3.2472 ns |  69.36 ns |
       Container |  69.50 ns |  1.439 ns |  1.8711 ns |  69.21 ns |
    Unregistered |  92.20 ns |  1.474 ns |  1.1504 ns |  92.00 ns |
       Transient |  99.68 ns |  1.016 ns |  0.7936 ns |  99.90 ns |
         Mapping | 193.21 ns |  4.370 ns | 12.1832 ns | 188.32 ns |
           Array | 776.40 ns | 14.911 ns | 12.4516 ns | 776.54 ns |
      Enumerable | 904.25 ns | 17.715 ns | 16.5706 ns | 897.31 ns |

src/Strategies/LifetimeStrategy.cs

@@ -77,9 +77,16 @@ namespace Unity.Strategies
 
         public override void PostBuildUp(ref BuilderContext context)
         {
-            var lifetimePolicy = context.Get<LifetimeManager>(context.Registration.Type, 
-                                                              context.Registration.Name);
-            lifetimePolicy?.SetValue(context.Existing, context.Lifetime);
+            LifetimeManager policy = null;
+
+            if (context.Registration is ContainerRegistration registration)
+                policy = registration.LifetimeManager;
+
+            if (null == policy || policy is PerResolveLifetimeManager)
+                policy = context.Get<LifetimeManager>(context.Registration.Type,
+                                                      context.Registration.Name);
+
+            policy?.SetValue(context.Existing, context.Lifetime);
         }
 
         #endregion