Research and Publications

Research Areas

Computer Architecture, compilers; particularly power efficient systems, the interaction of computer architecture, compiler, and system software

Ongoing Work

A Hierarchical Phase Prediction Scheme with Applications in Microprocessor Power Control

(Joint work with Margaret Martonosi, Doug Clark, and Canturk Isci)

Publications

Journal papers

[1]  Q. Wu, M. Martonosi, D.W. Clark, Vijay R, D. Connors, Y. Wu, J. Lee,  and D. Brooks, , "Dynamic Compiler Driven Control for Microprocessor Energy and Performance", in IEEE Micro Special Issue: Top Picks from Computer Architecture Conferences, Vol. 26, No. 1, February, 2006.

[2]  Q. Wu, P. Juang, M. Martonosi, L-S Peh, and D. W. Clark, "Formal Control Techniques for Power-Performance Management", in IEEE Micro Special Issue on Energy-Efficient Design, Vol. 25, No. 5, pp. 52-63, September, 2005

Conference papers

[3] Q. Wu,  Vijay R., Y. Wu, J. Lee, D. Connors, D. Brooks, M. Martonosi, and D. W. Clark, "A Dynamic Compilation Framework for Controlling Microprocessor Energy and Performance", in Proceedings of the 38th IEEE/ACM International Symposium on Microarchitecture (MICRO-38), Barcelona, Spain, pp. 271-282, November 12-16, 2005. [download ps or pdf]

[Winner Best Paper Award]

[4] Q. Wu,  P. Juang,  M. Martonosi, and D. W. Clark, "Voltage and Frequency Control with Adaptive Reaction Time in Multiple-Clock-Domain Processors", in Proceedings of the 11th International Symposium on High-Performance Computer Architecture (HPCA-11), San Francisco, CA, pp. 178-189, February 12-16, 2005. [download ps or pdf]

[5] Q. Wu, P. Juang,  M. Martonosi, and D. W. Clark, "Formal Online Methods for Voltage/Frequency Control in Multiple Clock Domain Microprocessors", in Proceedings of the 11th International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS-XI), Boston, MA, pp.248-259, October 10-13, 2004. [download ps or pdf]

[6] Q. Wu,  A. Pyatakov, A. Spiridonov, E. Raman, D.W. Clark and D. I. August, "Exposing Memory Access Regularities Using Object-Relative Memory Profiling", in Proceedings of the Second International Symposium on Code Generation and Optimization (CGO-04), Palo Alto, CA, pp.315-324, March 20-24, 2004.  [download ps or pdf]

[7] P. Juang, Q. Wu, L-S Peh, M. Martonosi, and D.W. Clark, "Formal Coordinated, Distributed Energy Management of Chip Multiprocessors", Proceedings of 2005 International Symposium on Low Power Electronics and Design (ISLPED-05), San Diego, CA, August, 2005

Papers prior to Aug. 2001

[8] Q. Wu, D. Popovic, D.J. Hill, and C. Parker, "System Security Enhancement Against Voltage Collapse via Coordinated Control", IEEE Transactions on Power Systems, Vol.16, No.1, pp. 127-135, February. 2001

[9] Q. Wu, D. Popovic, and D.J. Hill, "Avoiding Sustained Oscillations in Power Systems with Tap Changing Transformers", International Journal of Electrical Power and Energy Systems, Vol.22, No.8, pp. 597-605, August, 2000

[10] Q. Wu, D. Popovic, D.J. Hill, and M. Larsson, "Tap Changing Dynamic Models for Power System Voltage Behavior Analysis", Proceedings of 13th Power System Computation Conference (PSCC-13), Trondheim, Norway, pp 525-532, July 1999