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Meeting and Seminar Archive:

Date:  October 8, 2007

Title: Overview of Multimedia Signal Processing on Multi-Core Processors

Speaker: Yen-Kuang Chen, Ph.D., Principal engineer at Intel Corporation

 

Abstract: This talk is to give a basic overview of multi-core processors, which represent a major development in computing technology recently. Traditionally, increasing clock frequency is one of the main dimensions for conventional processors to achieve higher performance gains. Today, increasing clock frequency has reached a point of diminishing returns—and even negative returns if power is taken into account. Multi-core processors, also known as chip multiprocessors (CMPs), promise a power-efficient way to increase performance and become prevalent in vendors' solutions, for example, IBM CELL Broadband Engine processors, Intel Core 2 Dual processors, Sun UltraSPARC T1 processors, and so on. Furthermore, placing many powerful computing cores on a single processor opens up a world of important possibilities for next-generation multimedia signal-processing applications and algorithms. Soon we would expect processors with tens or hundreds of cores, e.g., Nvidia Tesla platforms and Intel's 80-core research prototype. However, the trend of multi-core processors brings a paradigm shift in applications development. In order to fully explore the potential of many-core CPUs, GPUs, and DSPs, researchers and application developers must think about parallelism creatively. This talk will also discuss related challenges in application developments, especially focusing on multimedia signal processing applications. 

 

Biography:

Dr. Yen-Kuang Chen is a Principal Engineer at Intel Corporation. His research interests include developing innovative multimedia applications, studying the performance bottleneck in current computers, and designing next generation microprocessor/platform---including next-generation many-core processors. In particular, he is currently analyzing the emerging multimedia applications and providing inputs to the definition of the next-generation CPUs and GPUs with many cores. He received his Ph.D. from Princeton University. He has 10+ US patents, 25+ pending patent applications, and 75+ technical publications. He is one of the key contributors to Supplemental Streaming SIMD Extension 3. As an expert in video compression and computer architecture for emerging applications (e.g., SIMD and multi-threading), he is an invited speaker to 2005 Emerging Information Technology Conference, 2005 New Technology Business Opportunities Forum, 2004 Sino-American Technology & Engineering Conference, and 2003 Workshop on Media and Signal Processors for Embedded Systems and SoCs. He is an associate editor of the Journal of VLSI Signal Processing Systems (including a special issue on "Multi-core Enabled Multimedia Applications & Architectures") and of IEEE Transactions on Circuit and System I. He has served as a program committee member of 20+ international conferences and workshops on multimedia, video communication, image processing, VLSI circuits and systems, parallel processing, and software optimization. As a Senior Member of IEEE, he is interested in bringing the awareness of the trends and the challenges of many core eras to the signal processing society. For example, in ICME 2006 and ICME 2007, he organized the special sessions on "Processors and Multimedia" and "Multi-Core Enabled Multimedia Applications and Standards." In ICASSP 2007 and ICME 2007, he gave tutorials on "Multimedia Signal Processing on Personal Computers." (More information about him can be found: http://home.comcast.net/~y.k.chen/)





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