Sequential schedules

• Add feature to benchmarks to use sequential (single core) schedules in CPU schedules.

juno_samples/rodinia/bfs/src/cpu.sch

@@ -40,21 +40,24 @@ simpl!(collect);
 parallel-fork(traverse, collect);
 parallel-reduce(traverse, collect);
 
-fork-tile[32, 0, false, true](traverse, collect);
-let (outer, inner) = fork-reshape[[1], [0]](traverse);
-let traverse_body = outline(inner);
-let (outer, inner) = fork-reshape[[1], [0]](collect);
-let collect_body = outline(inner);
-
-fork-tile[32, 0, false, true](init);
-let (outer, inner) = fork-reshape[[1], [0]](init);
-let init_body = outline(inner);
-
-inline(bfs@cost_init, bfs@loop1, bfs@loop2);
+if !feature("seq") {
+  fork-tile[32, 0, false, true](traverse, collect);
+  let (outer, inner) = fork-reshape[[1], [0]](traverse);
+  traverse = outline(inner);
+  let (outer, inner) = fork-reshape[[1], [0]](collect);
+  collect = outline(inner);
+
+  fork-tile[32, 0, false, true](init);
+  let (outer, inner) = fork-reshape[[1], [0]](init);
+  let init_body = outline(inner);
+
+  inline(bfs@cost_init, bfs@loop1, bfs@loop2);
+  init = init_body;
+}
 delete-uncalled(*);
 const-inline(*);
 simpl!(*);
 
-unforkify(init_body, traverse_body, collect_body);
+unforkify(init, traverse, collect);
 simpl!(*);
-gcm(*);
+gcm(*);
\ No newline at end of file