as someone who did windows device drivers a decade ago this so much - i took a example DDK driver and rewrote it entirely and the resulting performance gain was

as someone who did windows device drivers a decade ago this so much - i took a example DDK driver and rewrote it entirely and the resulting performance gain was very noticeable. Not to mention at the time on the device side working around hardware bugs to take something from "yea it works" to "it works really really well!"