There is provided an interface viewable on a display for a communications apparatus used during a session for voice communications between at least two parties. Holding devices for various medical instruments, such as respirators and accessories, infusion and secretion bags, measuring instruments and disposable articles, are used at patients’ beds in many areas. It may be first determined that the source code is eligible for optimization if more than one machine code instruction of compiled source code under-utilizes GPU instruction bandwidth limitations.