diff --git a/source2/IL2PCU/Cosmos.IL2CPU.Profiler/ILOpProfiler.cs b/source2/IL2PCU/Cosmos.IL2CPU.Profiler/ILOpProfiler.cs
index 76c6ce69c..a8274484d 100644
--- a/source2/IL2PCU/Cosmos.IL2CPU.Profiler/ILOpProfiler.cs
+++ b/source2/IL2PCU/Cosmos.IL2CPU.Profiler/ILOpProfiler.cs
@@ -9,6 +9,6 @@ namespace Cosmos.IL2CPU.Profiler {
       : base(aOpCode) {
     }
 
-    public override void Assemble() { }
+    public override void Execute(UInt32 aMethodUID) { }
   }
 }
diff --git a/source2/IL2PCU/Cosmos.IL2CPU.X86/ILOpX86.cs b/source2/IL2PCU/Cosmos.IL2CPU.X86/ILOpX86.cs
index 4c317f030..2d4599456 100644
--- a/source2/IL2PCU/Cosmos.IL2CPU.X86/ILOpX86.cs
+++ b/source2/IL2PCU/Cosmos.IL2CPU.X86/ILOpX86.cs
@@ -10,7 +10,7 @@ namespace Cosmos.IL2CPU.X86 {
 		}
 
     //TODO: remove this when all descendants implement this
-    public override void Assemble() {
+    public override void Execute(UInt32 aMethodUID) {
     }
   }
 }
diff --git a/source2/IL2PCU/Cosmos.IL2CPU/ILOp.cs b/source2/IL2PCU/Cosmos.IL2CPU/ILOp.cs
index f1064f48a..f148faeea 100644
--- a/source2/IL2PCU/Cosmos.IL2CPU/ILOp.cs
+++ b/source2/IL2PCU/Cosmos.IL2CPU/ILOp.cs
@@ -10,6 +10,8 @@ namespace Cosmos.IL2CPU {
 			OpCode = aOpCode;
 		}
 
-    public abstract void Assemble();
+    // This is called execute and not assemble, as the scanner
+    // could be used for other things, profiling, analysis, reporting, etc
+    public abstract void Execute(UInt32 aMethodUID);
   }
 }
diff --git a/source2/IL2PCU/Cosmos.IL2CPU/ILScanner.cs b/source2/IL2PCU/Cosmos.IL2CPU/ILScanner.cs
index ffbf69807..29aa6e02a 100644
--- a/source2/IL2PCU/Cosmos.IL2CPU/ILScanner.cs
+++ b/source2/IL2PCU/Cosmos.IL2CPU/ILScanner.cs
@@ -18,14 +18,11 @@ namespace Cosmos.IL2CPU {
     // need to hash on some UID instead of the refernce. Do not use strings, they are
     // super slow.
     private HashSet<MethodBase> mMethodsSet = new HashSet<MethodBase>();
-		// we also need a List`1, to provide an easy way to do scanning. a list doesn't
-		// change position of it's elements.
     private List<MethodBase> mMethods = new List<MethodBase>();
     private HashSet<Type> mTypesSet = new HashSet<Type>();
     private HashSet<FieldInfo> mFieldsSet = new HashSet<FieldInfo>();
     protected ILReader mReader;
 
-    // TODO: Investigate this and see if Matthi's emit way
     // is a lot faster than calling GetConstructor than invoke
     protected ConstructorInfo[] mILOpsLo = new ConstructorInfo[256];
     protected ConstructorInfo[] mILOpsHi = new ConstructorInfo[256];
@@ -117,15 +114,10 @@ namespace Cosmos.IL2CPU {
           } else {
             xCtor = mILOpsHi[xOpCodeVal & 0xFF];
           }
-          var xILOp = xCtor.Invoke(new object[] { xOpCode });
-          // What to pass to Execute method? Passing whole scanner is inappropriate
-          // Op needs info about branch targets for example
-          // are all branches within method? 
-          //inherited execute in ILOpX6 for example can emit this label
-          // MethodLabel + offset since we will need method labels anyways. Method label
-          // can be based on a UID generated by our compiler. ie 32 bits of UID + 32 bits offset
-          // UInt64 xUID = xMethodID << 32 | xOffset
-          //xILOp.Execute(xUID);
+          //TODO: This invoke nearly doubles scanner time. Comment it out and
+          // profiler runs about twice as fast. See if we can speed this up
+          var xILOp = (ILOp)xCtor.Invoke(new object[] { xOpCode });
+          xILOp.Execute(0);
         }
       }
     }