diff --git a/lynglib/src/commonMain/kotlin/net/sergeych/lyng/bytecode/CmdRuntime.kt b/lynglib/src/commonMain/kotlin/net/sergeych/lyng/bytecode/CmdRuntime.kt
index 123411b..7e7c6fe 100644
--- a/lynglib/src/commonMain/kotlin/net/sergeych/lyng/bytecode/CmdRuntime.kt
+++ b/lynglib/src/commonMain/kotlin/net/sergeych/lyng/bytecode/CmdRuntime.kt
@@ -3291,13 +3291,16 @@ class CmdCallDirect(
             }
         }
         val result = if (PerfFlags.SCOPE_POOL) {
-            frame.ensureScope().withChildFrame(args) { child -> callee.callOn(child) }
+            frame.ensureScope().withChildFrame(args) { child ->
+                (callee as? BytecodeCallable)?.callOnFast(child) ?: callee.callOn(child)
+            }
         } else {
             val scope = frame.ensureScope()
             if (callee is BytecodeLambdaCallable && callee.supportsDirectInvokeFastPath()) {
                 callee.invokeWithArgsFast(scope, args) ?: callee.invokeWithArgs(scope, args)
             } else {
-                callee.callOn(scope.createChildScope(scope.pos, args = args))
+                val child = scope.createChildScope(scope.pos, args = args)
+                (callee as? BytecodeCallable)?.callOnFast(child) ?: callee.callOn(child)
             }
         }
         frame.storeObjResult(dst, result)
@@ -3327,7 +3330,9 @@ class CmdCallSlot(
         val args = frame.buildArguments(argBase, argCount)
         val canPool = PerfFlags.SCOPE_POOL && callee !is Statement
         val result = if (canPool) {
-            frame.ensureScope().withChildFrame(args) { child -> callee.callOn(child) }
+            frame.ensureScope().withChildFrame(args) { child ->
+                (callee as? BytecodeCallable)?.callOnFast(child) ?: callee.callOn(child)
+            }
         } else {
             val scope = frame.ensureScope()
             if (callee is Statement) {
@@ -3339,7 +3344,8 @@ class CmdCallSlot(
             if (callee is BytecodeLambdaCallable && callee.supportsDirectInvokeFastPath()) {
                 callee.invokeWithArgsFast(scope, args) ?: callee.invokeWithArgs(scope, args)
             } else {
-                callee.callOn(scope.createChildScope(scope.pos, args = args))
+                val child = scope.createChildScope(scope.pos, args = args)
+                (callee as? BytecodeCallable)?.callOnFast(child) ?: callee.callOn(child)
             }
         }
         frame.storeObjResult(dst, result)
@@ -3429,7 +3435,8 @@ class CmdListFillInt(
                 callable.invokeWithArgsFast(scope, Arguments(ObjInt.of(i.toLong())))
                     ?: callable.invokeWithArgs(scope, Arguments(ObjInt.of(i.toLong())))
             } else {
-                callable.callOn(scope.createChildScope(scope.pos, args = Arguments(ObjInt.of(i.toLong()))))
+                val child = scope.createChildScope(scope.pos, args = Arguments(ObjInt.of(i.toLong())))
+                (callable as? BytecodeCallable)?.callOnFast(child) ?: callable.callOn(child)
             }
             val intValue = (value as? ObjInt)?.value ?: scope.raiseClassCastError("expected Int fill result")
             result.setIntAtFast(i, intValue)
diff --git a/lynglib/src/commonMain/kotlin/net/sergeych/lyng/obj/ObjProperty.kt b/lynglib/src/commonMain/kotlin/net/sergeych/lyng/obj/ObjProperty.kt
index 2ac1f68..a653bab 100644
--- a/lynglib/src/commonMain/kotlin/net/sergeych/lyng/obj/ObjProperty.kt
+++ b/lynglib/src/commonMain/kotlin/net/sergeych/lyng/obj/ObjProperty.kt
@@ -18,6 +18,7 @@
 package net.sergeych.lyng.obj
 
 import net.sergeych.lyng.Arguments
+import net.sergeych.lyng.BytecodeCallable
 import net.sergeych.lyng.BytecodeBodyProvider
 import net.sergeych.lyng.Scope
 import net.sergeych.lyng.Statement
@@ -41,14 +42,16 @@ class ObjProperty(
         val instanceScope = (instance as? ObjInstance)?.instanceScope ?: instance.autoInstanceScope(scope)
         val execScope = scope.applyClosure(instanceScope).createChildScope(newThisObj = instance)
         execScope.currentClassCtx = declaringClass
+        (g as? BytecodeCallable)?.callOnFast(execScope)?.let { return it }
         return when (g) {
             is BytecodeStatement -> executeBytecodeWithSeed(execScope, g, "property getter")
             is BytecodeBodyProvider -> {
                 val body = g.bytecodeBody()
-                if (body != null) executeBytecodeWithSeed(execScope, body, "property getter") else g.callOn(execScope)
+                if (body != null) executeBytecodeWithSeed(execScope, body, "property getter")
+                else (g as? BytecodeCallable)?.callOnFast(execScope) ?: g.callOn(execScope)
             }
-            is Statement -> g.callOn(execScope)
-            else -> g.callOn(execScope)
+            is Statement -> (g as? BytecodeCallable)?.callOnFast(execScope) ?: g.callOn(execScope)
+            else -> (g as? BytecodeCallable)?.callOnFast(execScope) ?: g.callOn(execScope)
         }
     }
 
@@ -59,14 +62,16 @@ class ObjProperty(
         val instanceScope = (instance as? ObjInstance)?.instanceScope ?: instance.autoInstanceScope(scope)
         val execScope = scope.applyClosure(instanceScope).createChildScope(args = Arguments(value), newThisObj = instance)
         execScope.currentClassCtx = declaringClass
+        (s as? BytecodeCallable)?.callOnFast(execScope)?.let { return }
         when (s) {
             is BytecodeStatement -> executeBytecodeWithSeed(execScope, s, "property setter")
             is BytecodeBodyProvider -> {
                 val body = s.bytecodeBody()
-                if (body != null) executeBytecodeWithSeed(execScope, body, "property setter") else s.callOn(execScope)
+                if (body != null) executeBytecodeWithSeed(execScope, body, "property setter")
+                else (s as? BytecodeCallable)?.callOnFast(execScope) ?: s.callOn(execScope)
             }
-            is Statement -> s.callOn(execScope)
-            else -> s.callOn(execScope)
+            is Statement -> (s as? BytecodeCallable)?.callOnFast(execScope) ?: s.callOn(execScope)
+            else -> (s as? BytecodeCallable)?.callOnFast(execScope) ?: s.callOn(execScope)
         }
     }