You would also need to replace the operating system and all the software. The traditional operating system driver stack does way too much copying for any of thi

You would also need to replace the operating system and all the software. The traditional operating system driver stack does way too much copying for any of this to work. Perhaps a better model would involve some way of time-sharing or multiplexing direct access to the hardware by user applications. I'm not an operating system expert so take my comments with a grain of salt.