Index: benchmark/size/size.cfa
===================================================================
--- benchmark/size/size.cfa	(revision e15683e5523420a94333395f6e1948e3beaa66c5)
+++ benchmark/size/size.cfa	(revision e15683e5523420a94333395f6e1948e3beaa66c5)
@@ -0,0 +1,12 @@
+#include <coroutine.hfa>
+#include <kernel.hfa>
+#include <monitor.hfa>
+#include <thread.hfa>
+
+int main(){
+	printf("Coroutine : %ud bytes\n", sizeof( $coroutine ));
+	printf("Monitor   : %ud bytes\n", sizeof( $monitor   ));
+	printf("Thread    : %ud bytes\n", sizeof( $thread    ));
+	printf("Processor : %ud bytes\n", sizeof( processor  ));
+	printf("Cluster   : %ud bytes\n", sizeof( cluster    ));
+}