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Research
My research interests are in computer architecture, software systems, and their interactions.
My research group currently focuses on developing novel computer architecture and software system performance evaluation techniques, designing fast energy-efficient on-chip memory hierarchy, devising a large energy-efficient next-generation main memory subsystem, and discovering new techniques to enhance the capabilities of solid-state storage devices.
Our research has been generously supported by funding from the NSF, Samsung Electronics and the University of Pittsburgh.
I am also part of two initiatives at Pitt, sustainable computing and PCM@Pitt.
I am fortunate to work with many talented students at Pitt:
- Joe Cavanaugh (MS, 2011, architectural support for fast virtual texturing on GPUs), first appointment with nVIDIA, Santa Clara, CA.
- Andrew Conn (MS, 2012, design of SSD texture storage), first appointment with NetApp, Cranberry Township, PA.
- Socrates Demetriades (PhD, 2013, synchronization point based program characterization and optimization), first appointment with Oracle, Santa Clara, CA.
- Shayne Evans (MS, 2008, fast microarchitecture simulation methodologies), first appointment with Lime Brokerage, Boston, MA.
- Marius Giurgi (MS, 2006, cache compression), first appointment with Blue Belt Technologies, Pittsburgh, PA.
- Mohammad Hammoud (PhD, 2010, hardware-oriented shared cache management), co-advised with Prof. Rami Melhem (primary advisor), first appointment with CMU Qatar.
- Michel Hanna (PhD, 2013, scalable packet processing engines), co-advised with Prof. Rami Melhem (primary advisor), currently with F5 Networks.
- Lei Jin (PhD, 2010, software-oriented shared cache management), first appointment with Facebook, Palo Alto, CA.
- Hyunjin Lee (PhD, 2011, reliable on-chip memory design and management), co-advised with Prof. Bruce Childers, first appointment with Intel Labs.
- Kiyeon Lee (PhD, 2013, fast superscalar processor simulation methods, currently with Samsung Electronics Co.
- Taecheol Oh (PhD, 2010, analytical models for multicore architecture). Currently with Korean Army (as a "major").