~ tuned hm
diff --git a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/caches/NullableMap.kt b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/caches/NullableMap.kt
index b12394a3..318c85f 100644
--- a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/caches/NullableMap.kt
+++ b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/caches/NullableMap.kt
@@ -14,7 +14,7 @@
 @JvmInline
 value class NullableMap<K, V>(
     @property:PrivateForInline
-    val map: MutableMap<K, Any> = HashMap()
+    val map: MutableMap<K, Any> = HashMap(500, 0.5f)
 ) {
 
     /**