Simha Sethumadhavan Associate Professor of Computer Science Alfred P. Sloan Research Fellow Columbia University

Office: 465 CSB Directions Phone:1 212 939 7062 Fax:1 212 666 0140 Email: simha@cs.columbia.edu Snail mail: Prof. Sethumadhavan Department of Computer Science Columbia University 1214 Amsterdam Ave. 450 CSB Mail Code 0401 New York NY 10027.

Research Interests

Group

Current Research Projects

• Trustworthy Hardware
• Hardware Support for Software Security (Announcement)
• Hybrid Continuous-Discrete Computing (Slides)
• Accelerating Computer Architecture Research (Limit)

Select Recent Publications

• FANCI: Identification of Stealthy Malicious Logic Using Boolean Functional Analysis (CCS 2013) (pdf) Detecting stealthy hardware backdoors using static analysis.
• WHISK: An Uncore Architecture for Dynamic Information Flow Tracking in Heterogeneous Embedded SoCs (CODES+ISSS 2013) (pdf)
• On the Feasibility of Online Malware Detection with Performance Counters (ISCA 13) (pdf)
  
• A Quantitative, Experimental Approach to Measuring Side-Channel Security (IEEE Micro Top Picks 12) ( IEEEXplore)
  
• Practical Lightweight Secure Inclusion of Third-Party Intellectual Property (IEEE Design and Test) ( IEEEXplore )
  
• Concurrency Attacks (HotPar 12) web
  
• TimeWarp: Rethinking Timekeeping and Performance Monitoring Mechanisms to Mitigate Side-Channel Attacks (ISCA 12) (pdf, presentation)
  
• Side-channel Vulnerability Factor: A Metric for Measuring Information Leakage (ISCA 12) (pdf, Presentation, Data, Software) Architecture Top Pick '12
  
• Approximate Graph Clustering for Program Characterization (TACO 12) (pdf)
  
• A Case for Hybrid Discrete-Continuous Architectures (CAL 11) (pdf)
  
• The SPARCHS Project: Hardware Support for Software Security (SysSEC 11) (pdf)
  
• Rapid Identification of Architectural Bottlenecks via Precise Event Counting (ISCA 11) (pdf)
  
• Silencing Hardware Backdoors IEEE Security and Privacy 2011 (Oakland 11) (pdf)
  
• Tamper Evident Microprocessors IEEE Security and Privacy 2010 (Oakland 10) (pdf)
  
• COMPASS: A Community-driven Parallelization Advisor for Sequential Software IWMSE 09 (pdf)
  
• Multitasking Workload Scheduling in Flexible-Core Chip Multiprocessors (PACT 2008) (pdf)
  
• Composable Lightweight Processors (Micro 07) (pdf)

Recruiting

Current Postdocs

Current PhD Students

• John Demme
• Yipeng Huang
• Jared Schmitz
• Kanad Sinha
• Adam Waksman

Current MS Students

• Tao Mai (MS, EE)

Current Undergraduate Students

• Matthew Suozzo (Senior, SEAS)

Alumni

• Ravi Ganapathi Babu (MS, First Employment: Intel)
• Albert Jimenez (MS, First Employment: Yahoo)
• Charles Hastings (MS, First Employment: Nvidia)
• Robert Martin (MS, Computer Science, First Employment: Google)
• MAJ Julianna Eum (MS, Computer Engineering, First Employment: Instructor, US Military Academy, West Point)
• Joel Porquet (Post-doc, Université Pierre et Marie Curie, Paris)

Teaching

Tools/Tutorials

• Simics/FeS2 Tutorials by students. (Alternate link)
• Limit -- First tool to allow precise nanosecond scale measurements on real hardware
• Tutorial on Security for Computer Architects (ISCA 11, HPCA 12, ISCA 12)

Infrastructure

• Simcity Cloud: 48 x (8-core processors, 24 GB RAM) + 30 TB, Fibre Channel
• Simlab Cluster: 8 x (8-core processors, 24 GB RAM, 1 TB RAID)
• CLIClab Cluster: 36 x (8-core processors, 24 GB RAM, 1 TB RAID)
• Synopsys toolchain, architecture simulators etc.

Random

• Cat-warmer from microprocessor waste heat - Wild and Crazy ideas, ASPLOS 2006. (pdf) (ppt)
• I, Robot, Architect - Wild and Crazy ideas, ASPLOS 2009. (pdf) with John Demme
• My E-mail volume (last 10 years)