Hao Zhuang
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Hao Zhuang
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About
I earned my Ph.D. degree in Computer Science from University of California, San Deigo, CA, USA (UCSD) in 2016 after 3-year full-time PhD training. I published 15 peer-reviewed papers during this period and had around 210 paper citations by the graduation. My graduate research included numerical algorithms, matrix computation, and stochastic numerical solvers, with the applications in the analysis of large-scale dynamical systems, computer-aided design, and design automation for building computer chips.
I am now a Senior Software Developer at ANSYS, Inc. Since June 2015, I write software at ANSYS Apache and build distributed computation infrastructure, large-scale matrix computation algorithms, machine learning systems, and big data applications. The products are used for power analysis and verification of tape-outs of modern low power CPU, GPU, and ASIC, which are used by different purposes of computing, such as general logic operations, deep learning, big data processing, data center traffic, etc. It is my privilege to work with the R&D teams consist of legends in the area of design automation algorithms, such as the forerunner and researchers of AWE, the creators of MIT FastCap, CMU PRIMA, UT RICE, Synopsys PrimeTime and Apache Redhawk. In general, I am interested in computational mathematics, numerical algorithms, optimization, signal processing, dynamical systems, high-performance computing, and distributed computing systems.
Selected Publications [full list] [my citations]
From Circuit Theory, Simulation to SPICE_Diego: A Matrix Exponential Approach for Time Domain Analysis of Large Scale Circuits. [update]
Hao Zhuang, Xinyuan Wang, Quan Chen, Pengwen Chen, and Chung-Kuan Cheng.
IEEE Circuits and Systems Magazine 2016
- Dedicated to the memory of Prof. Ernest S. Kuh, UC Berkeley.
Simulation Algorithms with Exponential Integration for Time-Domain Analysis of Large-Scale Power Delivery Networks.
Hao Zhuang, Wenjian Yu, Shih-Hung Weng, Ilgweon Kang, Jeng-Hau Lin, Xiang Zhang, Ryan Coutts, and Chung-Kuan Cheng.
IEEE Transactions on Computer-Aided Design (TCAD) 2016 [IEEEXplore]
- The journal version of MATEX.
RWCap: A Floating Random Walk Solver for 3-D Capacitance Extraction of VLSI Interconnects
Wenjian Yu*, Hao Zhuang, Chao Zhang, Gang Hu, and Zhi Liu,
IEEE Transactions on Computer-Aided Design (TCAD), March, 2013.
- Nominated for TCAD's Donald O. Peterson Best Paper Award 2014 and Listed as one of TCAD popular papers.
- Download [software package]
An Algorithmic Framework of Large-Scale Circuit Simulation Using Exponential Integrators
Hao Zhuang, Wenjian Yu, Ilgweon Kang, Xinan Wang, and Chung-Kuan Cheng
ACM/IEEE Design Automation Conference (DAC), June 2015
MATEX: A Distributed Framework for Transient Simulation of Power Distribution Networks
Hao Zhuang, Shih-Hung Weng, Jeng-Hau Lin, and Chung-Kuan Cheng
ACM/IEEE Design Automation Conference (DAC), June 2014.
ePlace-MS: Electrostatics based Placement for Mixed-Size Integrated Circuits
Jingwei Lu, Hao Zhuang, Pengwen Chen, Hongliang Chang, Chin-Chih Chang, Yiu-Chung Wong, Lu Sha, Dennis Huang, Yufeng Luo, Chin-Chi Teng, and Chung-Kuan Cheng
IEEE Transactions on Computer-Aided Design (TCAD). May 2015.
- Download [software package].
Selected Patent [full list]
Wenjian Yu and Hao Zhuang, “Method for extracting and calculating capacitance parameter based on random walk in integrated circuit design,” Dec 11, 2013, Publication number: CN102651047 B
Honors
Qualcomm FMA Fellowship (2013-2014): one of the four recipients [award].
Prestigious Charles Lee Powell Fellowship (2012-2015): for supporting outstanding PhD engineering students.
Peking University Wu-Si Scholarship (2011).
Industrial/R&D Lab Experience [details]
ANSYS Apache, San Jose, CA (Senior Software Developer, 2016.09-now)
ANSYS Apache, San Jose, CA (Software Developer II, 2015.10-2016.09)
ANSYS Apache, San Jose, CA (Software Engineering Intern, 2015.06-2015.09)
Synopsys, Mountain View, CA, USA (Software Engineering Intern, 2014.06-2014.09)
Qualcomm Research & UCSD JSOE, San Diego, CA, USA (FMA Student Researcher in Hardware Engineering & EDA, 2013.06-2014.06)
TNList (Tsinghua National Lab for Information Science and Technology), Beijing, China (Research Intern, 2012.04-2012.07)
Academic Experience [details]
Department of Computer Science and Engineering, University of California, San Diego, CA, USA (Teaching Assistant, 2014.10-2014.12)
Department of Computer Science and Engineering, University of California, San Diego, CA, USA (Research Assistant, 2012.09-2015.06)
EDA Lab, Department of Computer Science and Technology, Tsinghua University, Beijing, China (Research Assistant, 2011.01-2012.03)
TSRC Lab, School of EECS, Peking University, Beijing, China (Research Assistant, 2008.10-2012.07)
Services
IEEE student memeber since 2011.
ACM student memeber since 2014.
SIAM student memeber since 2014.
External reviewer, ACM/IEEE Design Automation Conference (DAC).
External reviewer, ACM/IEEE International Symposium on Physical Design (ISPD).
Subreviewer, IEEE Very Large Scale Integration and Systems-on-Chip (VLSI-SoC).
External reviewer, ACM/IEEE International Conference on Computer Aided Design (ICCAD).
Reviewer, IEEE Transaction on Computer Aided Design (TCAD).
Reviewer, Integration, the Journal of VLSI.
Selected Talks [full list]
“Matrix Exponential Integration in Time-Domain Analysis of Circuit Simulation,” at Department of Electrical and Electronics Engineering, The University of Hong Kong, Hong Kong, Oct. 2015
“Algorithms for Dynamic Power Grid Simulation Using Matrix Exponentials,” at Ansys Inc., San Jose, Sept. 2015.
Teaching
Assistant, CSE245: Numerical Algorithms and Circuit Simulation (2015 Winter)
Teaching Assistant, CSE140: Components and Design Techniques for Digital Systems (2014 Autumn)
-- Textbook: Digital Design and Computer Architecture (2nd Edition) by David Mooney Harris and Sarah L. Harris
