--- /dev/null
+digraph rmw_atomicity {
+margin=0;
+ranksep=.1;
+
+N1 [label="A: v.store(1)", shape=none];
+N2 [label="B: v.rmw()", shape=none];
+N3 [label="C: v.store(2)", shape=none];
+
+N1 -> N2 [label="rf", color=red];
+N1 -> N3 [label="mo", color="#00aa00", weight=100];
+N2 -> N3 [color=invis];
+}