Title :
A Theoretical Examination of a Self-Adaptation Approach to Improve the Real-Time Capabilities in Multi-Threaded Microprocessors
Author :
Brinkschulte, Uwe ; Pacher, Mathias
Author_Institution :
Johann Wolfgang Goethe Univ. Frankfurt, Frankfurt, Germany
Abstract :
Our aim is to investigate the possibility to control the throughput (IPC rate) of a thread running on a multithreaded microprocessor by a closed feedback loop. We showed in previous experimental studies the practability of this approach. In this paper we discuss the control theory approach from a mathematical point of view. We develop a formal 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.
Keywords :
feedback; microprocessor chips; multi-threading; IPC rate; closed feedback loop controller; multithreaded microprocessor; self-adaptation approach; Adaptive control; Clocks; Communication system control; Control systems; Control theory; Delay; Microprocessors; Real time systems; Throughput; Yarn;
Conference_Titel :
Self-Adaptive and Self-Organizing Systems, 2009. SASO '09. Third IEEE International Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-4244-4890-6
Electronic_ISBN :
978-0-7695-3794-8
DOI :
10.1109/SASO.2009.7
