add alternate order to fork tilling

juno_scheduler/src/ir.rs

@@ -43,7 +43,7 @@ impl Pass {
         match self {
             Pass::Xdot => 1,
             Pass::ForkChunk => 3,
-            Pass::ForkFissionBufferize => 2,
+            Pass::ForkFissionBufferize => 4,
             Pass::ForkInterchange => 2,
             _ => 0,
         }