Some minor cleanup/tweaks to scheduling.
Some minor cleanup/tweaks to scheduling.


Former-commit-id: 4765a2d4d99d5802a22af5c7ec6deba084b36c61
Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide