Assistant Professor

Ph.D. Princeton University 2004

Dissertation "System-level Power Analysis and Optimization"

Research Interests

• High-performance Computer architecture

• Mobile Computing

• Design for Nanotechnologies

• Power/thermal analysis and optimization

• Embedded system design and synthesis

• Computer-aided design

Graduate Students

• Nicholas Allec
• Assem Bsoul
• Arlen Cox
• Kun Li
• Zyad Mohamed
• Yonghong Yang
• Changyun Zhu

Professional Activities

• Editorial board, IEEE TVLSI, Journal of Low Power Electronics, IET Computers and Digital Techniques
• Program Committee Member, Conferences: ASPDAC 2008 2009, DATE 2009, VLSI 2008, NOCS 2007 2008 2009, ICCC N2007 ICPADS 2006, QBSC 2006

Project Release

• ISAC: Adaptive chip-package thermal analysis package release version 0.90. This project is done in collaboration with Prof. Robert Dick's research group.

Publications (Google scholar citations)

2007

• [ICCAD] P. Zhou, Y. Ma, Z. Li, R. P. Dick, L. Shang, H. Zhou, X. Hong, and Q. Zhou, "3D-STAF: Scalable temperature and leakage aware floorplanning for three-dimensional integrated circuits," in Proc. IEEE/ACM International Conference on Computer-Aided Design , Nov. 2007.

• [CODES-ISSS] C. Zhu, Z. Gu, R. Dick, and L. Shang, "Reliable multiprocessor system-on-chip synthesis,," Proc. International Conference Hardware/Software Codesign and System Synthesis, Sep. 2007. (pdf)

• [CODES-ISSS] S. Chong, L. Shang, and R. P. Dick, "Three-dimensional multi-processor system-on-chip thermal optimization," Proc. International Conference Hardware/Software Codesign and System Synthesis, Sep. 2007. (pdf)

• [TVLSI] Z. Gu, C. Zhu, R. Dick, and L. Shang, "Application-specific MPSoC reliability optimization," IEEE Transactions on Very Large Scale Integration Systems , to appear.

• [TCAD] A. Kumar, L. Shang, L.-S. Peh, and N. K. Jha, "System-level dynamic thermal management for high performance microprocessors," IEEE Transactions on Computer-Aided Design , to appear.

• [MICRO] D. Brooks, R. Dick, R. Joseph, and L. Shang, "Power, thermal, and reliability modeling in nanometer-scale microprocessors, " IEEE Micro , 2007.

• [DAC] C. Zhu, Z. Gu, L. Shang, R. P. Dick, and R. Knobel, "Towards an ultra-low-power architecture using single-electron tunneling transistors, " in Proc. IEEE Design Automation Conference, Jun. 2007. (Nominated for Best Paper Award) . (pdf)

• [DAC] W. Zhang, L. Shang, and N. K. Jha, "NanoMap: An integrated design optimization flow for a hybrid Nanotube/CMOS dynamically reconfigurable architecture, " in Proc. IEEE Design Automation Conference, Jun. 2007 . (pdf)

• [TCAD] L. Shang, R. P. Dick, and N. K. Jha, "SLOPES: Hardware-software co-synthesis of low power real-time distributed embedded systems with dynamically reconfigurable FPGAs", IEEE Transactions on Computer-Aided Design, Mar. 2007. (pdf)

• [DATE] Y. Liu, R. P. Dick, L. Shang, and H. Yang, "Accurate temperature-dependent integrated circuit leakage power estimation is Easy, " in Proc. IEEE Conf. on Design, Automation, and Test in Europe, Mar. 2007. (pdf)

• [ISQED] Y. Liu, H. Yang, R. P. Dick, H. Wang, and L. Shang, "Thermal vs. energy optimization for DVFS-enabled processors in embedded systems," in Proc. IEEE Proc. Int. Symp. Quality Electronic Design, Jan. 2007. (pdf)

• [TCAD] Y. Yang, Z. P. Gu, C. Zhu, R. P. Dick, and L. Shang, "ISAC: Integrated Space and Time Adaptive Chip-Package Thermal Analysis," IEEE Transactions Computer-Aided Design, Jan. 2007. (pdf)

2006

• [MICRO] N. Eisley, L.-S. Peh, and L. Shang, "In-network cache coherence ", in Proc. IEEE/ACM International Symposium on Microarchitecture, Dec. 2006. (pdf)

• [ICCAD] Y. Yang, C. Zhu, Z. P. Gu, L. Shang, and R. P. Dick, "Adaptive multi-domain thermal modeling and analysis for integrated circuit synthesis and design", in Proc. IEEE/ACM International Conference on Computer-aided Design, Nov. 2006. (pdf)

• [Potentials] L. Shang and R. P. Dick "Thermal Crisis: Challenges and Potental Solutions", IEEE Potentials,  Sept./Oct. 2006 (pdf)

• [DAC] W. Zhang, N. K. Jha, and L. Shang, "NATURE: A Hybrid Nanotube/CMOS Dynamically Reconfigurable Architecture", in Proc. IEEE Design Automation Conference, Jul. 2006. (pdf)

• [DAC] A. Kumar, L. Shang, L.-S. Peh, N. K. Jha, "HybDTM: A Coordinated Hardware-Software Approach for Dynamic Thermal Management", in Proc. IEEE Design Automation Conference, Jul. 2006. (pdf)

• R. P. Dick, L. Shang, and N. K. Jha, "Power-Aware Architectural Synthesis", to appear in The VLSI Handbook, 2006.

• [TCCA] N. Eisley, L.-S. Peh, and L. Shang, "In-network cache coherence", IEEE Computer Architecture Letters, vol 5, no. 1, 2006. (pdf)

• [DATE] Y. Yang, Z. P. Gu, C. Zhu, L. Shang, and R. P. Dick, "Adaptive chip-package thermal analysis for synthesis and design," in Proc. IEEE Conf. on Design, Automation, and Test in Europe , Mar. 2006. (pdf)

• [MICRO TOP PICK] L. Shang, L.-S. Peh, A. Kumar, and N. K. Jha, "Temperature-aware on-chip networks," IEEE Micro: Micro's Top Picks from Computer Architecture Conferences (IEEE Micro - top pick), Jan.-Feb.  2006. (pdf)

• [ASPDAC] Z. P. Gu, Y. Yang, J. Wang, R. P. Dick, and L. Shang, "TAPHS: Thermal-aware unified physical-level and high-level synthesis," in Proc. IEEE Asia & South Pacific Design Automation Conf. , Jan. 2006. (Nominated for Best Paper Award) (pdf)

• [TCAD] L. Shang, L.-S. Peh, and N. K. Jha, "PowerHerd: A distributed scheme for dynamic satisfying peak power constraints in interconnection networks," IEEE Transactions on Computer-Aided Design, Jan. 2006. (pdf)

2005

• Good to enjoy my life for a year

2004

• [TMC] L. Shang, R. P. Dick and N. K. Jha, "DESP: A distributed economics-based subcontracting protocol for computation distribution in power-aware mobile ad-hoc networks," IEEE Transactions on Mobile Computing, vol. 3, no. 1, Jan. 2004, pp. 33-45. (pdf)

• [MICRO] L. Shang, L.-S. Peh, A Kumar and N. K. Jha, "Thermal modeling, characterization and management of on-chip networks," in Proc. IEEE/ACM International Symposium on Microarchitecture ,   Dec 2004. (pdf)

2003

• [ICS] L. Shang, L.-S. Peh and N. K. Jha, "PowerHerd: Dynamic satisfaction of peak power constraints in interconnection networks," in Proc. ACM International Conference on Supercomputing, pp 98-108, June 2003. (pdf)

• [GLVLSI] W. Wang, T. K. Tan, J. Luo, Y. Fei, L. Shang, K. S. Vallerio, L. Zhong, A. Raghunathan, and N. K. Jha, "A comprehensive high-level synthesis system for control-flow intensive behaviors," in Proc. ACM Great Lakes VLSI Symposium , pp. 11-14, Mar. 2003. (pdf)

• [HPCA] L. Shang, L.-S. Peh and N. K. Jha, "Dynamic voltage scaling with links for power optimization of interconnection networks," in Proc. IEEE International Symposium on High-Performance Computer Architecture, pp. 79-90, Jan. 2003. (pdf)

2002

• [PDCS] L. Shang, R. P. Dick, and N. K. Jha, "An economics-based power-aware protocol for computation distribution in mobile ad-hoc networks," in Proc. IASTED International Conference on Parallel and Distributed Computing and Systems, pp. 344-349, Nov. 2002. (Best Paper Award) (pdf)

• [TCCA] L. Shang, L.-S. Peh and N. K. Jha, "Power-Efficient Interconnection Networks: Dynamic Voltage Scaling with Links," Computer Architecture Letters, vol 1, no. 2, May 2002, pp. 1-4. (pdf)

• [FPGA] L. Shang, A. S. Kaviani, and K. Bathala "Dynamic power consumption in VirtexTM-II FPGA," in Proc. ACM International Symposium on Field-Programmable Gate Arrays , pp.157-164, Feb. 2002. (pdf)

• [VLSI] L. Shang, and N. K. Jha "Hardware-software co-synthesis of low power real-time distributed embedded systems with dynamically reconfigurable FPGAs," in Proc. IEEE International Conference on VLSI Design, pp. 345-352, Jan. 2002. (pdf)

2001

• [ICCD] L. Shang, and N. K. Jha "High-level power modeling of CPLDs and FPGAs," in Proc. IEEE International Conference on Computer Design, pp. 46-51, Sep. 2001. (pdf)

2000

• L. Shang, Y.-Q. Ge, and R.-D. Zhou, "Embedded microprocessor IP design and analysis," Microelectronics, vol. 30, no. 1, Jan. 2000, pp. 28-30.

Contact Info.

     Engineering Center, OT358 

     University of Colorado at Boulder

     425 UCB

     Boulder, CO 80305

     Phone:

     (303) 492-8785

     Email

     li.shang<at>colorado<dot>edu

Teaching