Last modified on June 2, 2009, 1:55 pm

RTiS 2007
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Keynote Speakers

Prof. Edward A. Lee, University of California at Berkeley

Title: Software Challenges and Opportunities for Real-Time on Multicore Machines

Abstract: Achieving reliable, repeatable, robust, and real-time (R4) behavior on single processor machines is challenging enough. Multicore machines complicate the picture with complex and nondeterministic concurrency models (threads, transactions, etc.) and with concurrent interactions that are difficult to analyze and understand (interlocks, mutual exclusion, etc.). Nonetheless, multicore technology offers opportunities for R4 by permitting dedicated allocation of hardware resources to real-time tasks, which may have more impact on R4 than generic (average case) performance improvements. This talk will examine the software challenges that must be overcome to fully exploit this potential. It will describe a major research agenda and some specific research results towards achieving R4 on multicore machines.

Biography: Edward A. Lee is the Robert S. Pepper Distinguished Professor and Chair of the Electrical Engineering and Computer Sciences (EECS) department at U.C. Berkeley. His research interests center on design, modeling, and simulation of embedded, real-time computational systems. He is a director of Chess, the Berkeley Center for Hybrid and Embedded Software Systems, and is the director of the Berkeley Ptolemy project. He is co-author of five books and numerous papers. He has led the development of several influential open-source software packages, including Ptolemy, Ptolemy II, HyVisual, and VisualSense. His bachelors degree (B.S.) is from Yale University (1979), his masters (S.M.) from MIT (1981), and his Ph.D. from U. C. Berkeley (1986). From 1979 to 1982 he was a member of technical staff at Bell Telephone Laboratories in Holmdel, New Jersey, in the Advanced Data Communications Laboratory. He is a co-founder of BDTI, Inc., where he is currently a Senior Technical Advisor, and has consulted for a number of other companies. He is a Fellow of the IEEE, was an NSF Presidential Young Investigator, and won the 1997 Frederick Emmons Terman Award for Engineering Education.

Prof. Hermann Kopetz, Vienna University of Technology

Title: Real Time Communication - What Are the Real Issues?

Abstract: There is large variety of different protocols in use in the real-time environment, but so far none of them has achieved a dominance that is comparable to Ethernet in the non-real-time environment. Since the technological developments will force a consolidation of the real-time protocol arena in the next few years, it is an interesting question to ask what properties are characteristic of a winning real-time protocol. In this talk we will elaborate on some of the fundamental conflicts in real-time protocol design and then establish a list of properties that must be satisfied by a protocol in order to be a candidate for a winning protocol. In the final part we will look at some of the existing protocols and see to what extent they satisfy this property list.

Biography: Hermann Kopetz received his PhD in physics "sub auspiciis praesidentis" from the University of Vienna, Austria in 1968. After some years in industry he joined the TU Berlin in 1978 and moved to TU Vienna in 1982. Dr Kopetz has published a widely used textbook on Real-Time Systems and more than 150 papers on the topic of dependable embedded systems. Dr. Kopetz is a Fellow of the IEEE, a full member of the Austrian Academy of Science, and a recipient of the IEEE Computer Society 2003 Technical Achievement Award with the citation: For outstanding contributions to the field of safety-critical real-time computing. In 2006 Dr. Kopetz chaired the ARTEMIS Strategic Research Expert Group on Reference Designs and Architecture.

Dr. Kopetz' research interests focus at the intersection of real-time systems, fault-tolerant systems, and distributed systems. He is the chief architect of the Time-Triggered Protocol (TTP) for distributed fault-tolerant real-time systems, which evolved out of the MARS project at the Technical University of Vienna. In the last few years, Dr. Kopetz and his research group work in the field of automotive electronics. He is presently involved in two large European ESPRIT projects where his pioneering work on time-triggered architectures is being transferred to the automotive industry.

Prof. Erik Hagersten, Uppsala University / Acumem

Title: New Technology Trends Coupled with Multicore

Abstract: The Multicore revolution offers a compelling path toward higher computational performance and lower power consumption. While the new software technology needed to unleash this technology has been widely discussed, many other technological changes can be expected to follow in its path. These include cache capacity per thread, pin bandwidth per MIPS, memory requirement per CPU chip, relative memory cost, inter-thread communication, intra-chip scalability, and NUMA/NUCA issues. In this talk we will elaborate on the possible development of these and speculate on how they will impact future computer system design and usage.

Biography: Erik Hagersten is Professor in Computer Architecture at Uppsala University. He is also the founder of Acumem, a company that produces tools for the programming of multicore systems. His research focuses on performance analysis and tools for memory systems, including shared memory, inexpensive implementations of shared memory and adaptive algorithms for memory system implementations. Between 1988 and 1993 Hagersten managed the Computer Architecture research group at the Swedish Institute of Computer Science (SICS), and between 1993 and 1999 he was chief architect for the high-end server engineering at Sun (the former Thinking Machies hardware group). Erik Hagersten is a Member of the Royal Swedish Academy of Engineering Sciences (IVA).

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