Did a comments pass
Did a comments pass

Added long explanation of what was going on


Former-commit-id: d74d13e18b11f1a6e7717f7766b3e33c4afd1fe2
darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide