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Last updated March, MMXIV by Ulya Karpuzcu.

Lab at University of Minnesota, Twin Cities,

Department of Electrical and Computer Engineering

Synopsis

ALTAI lab explores the impact of process technology on computer architecture. Our current focus expands along

  1. how to improve energy-efficiency of computing

  2. how to sustain the illusion of performance scaling

in the face of limitations induced by contemporary device scaling. 


News 

  1. January MMXIV: The second Workshop on Near-threshold Voltage Computing will be held w/ ISCA. [Call for Papers]

  2. Spring MMXIV: New Course Announcement: EE8950 Physics of Computation [Syllabus]

  3. Inspired by Richard Feynman’s lectures in computation, “Physics of Computation” will explore how physical principles/limits have been shaping paradigms of computing. A key goal of this course is to understand how (and to what extent) a paradigm shift in computing can help with emerging energy problems.   

  4. Topics include but are not limited to: Physical limits of computing, coding and information theoretical foundations, computing with beyond-CMOS devices, reversible computing, quantum computing, stochastic computing. For each computing paradigm, (i) how information is represented, processed, stored, and communicated; (ii) to what extent shortcomings can be addressed; (iii) how the application domain looks like will be covered.

  5. Background: Although some knowledge in computer architecture can be beneficial, basics will be covered in class.

  6. September MMXII: Radu Teodorescu, Nam Sung Kim and Ulya Karpuzcu are organizing the first Workshop on Near-threshold Voltage Computing w/ MICRO. [Call for Papers]


Recent Publications

  1. AMNESIAC: Amnesic Automatic Computer, ASPLOS Wild and Crazy Ideas Session 2014. [Slides]

  2. Accordion: Toward Soft Near-threshold Voltage Computing, HPCA 2014. [Slides] [BibTeX]

  3. Coping With Parametric Variation at Near-Threshold Voltages, IEEE Micro Magazine Special Issue on Reliability, July/August 2013. [BibTeX]

  4. Low-Cost Per-Core Voltage Domain Support for Power-Constrained High-Performance Processors, IEEE TVLSI, May 2013. [BibTeX]

  5. EnergySmart: Toward Energy-Efficient Many-Cores for Near-Threshold Computing, HPCA 2013. [Slides] [BibTeX]


Tools

We released VARIUS-NTV, a (micro)architectural model of parametric variation tailored for near-threshold voltage computing.


Information for Prospective Students

Our lab’s doors are wide open to motivated Ph.D. students and undergraduate researchers. We may consider only exceptional cases for M.S. students (the thesis option is a necessary but not sufficient condition) or summer interns.

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