2008 11th IEEE Symposium on Object Oriented Real-Time Distributed Computing (ISORC)
A Control Theory Approach to Improve the Real-Time Capability of Multi-Threaded Microprocessors
May 05-May 07
ISBN: 978-0-7695-3132-8
Our aim is to investigate if it is possible to control the throughput (IPC rate) of a thread running on a simultaneous multi-threaded microprocessor by a closed feedback loop. We showed in previous experimental studies that the proposed approach works. In this paper we discuss the control theory approach from a theoretical point of view. We develop a mathematical model of a general purpose multi-threaded microprocessor enhanced with a closed feedback controller and use control theory methods to investigate properties like stability and settling time.
Index Terms:
Control theory in high-end microprocessors, real-time microprocessors, IPC rate
Citation:
Uwe Brinkschulte, Mathias Pacher, "A Control Theory Approach to Improve the Real-Time Capability of Multi-Threaded Microprocessors," isorc, pp.399-404, 2008 11th IEEE Symposium on Object Oriented Real-Time Distributed Computing (ISORC), 2008