Renesse, Robbert van; Kvalnes, Aage; Johansen, Dag; Arnesen, Audun (Research report; Forskningsrapport, 2003-06-13)
Vortex is a new multiprocessor operating system that is entirely event-driven. The Vortex kernel, as well as its applications, are structured as stagesthat communicate through event passing. Each stage is a small finite state machine. The event architecture is efficient and allows Vortex to balance load across the processors automatically.
Vortex uses an Event Scheduling Tree (EST) on each CPU. ...