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, V.J. Reddi, 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,  V.J. Reddi, 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