Research

    Refereed publication

  • Hybrid Modulation for Near Zero Display Latency SID, 2016

    Details PDF alternate Bibtex

  • Memory Considerations for Low Energy Ray Tracing CGF, 2014

    Details PDF Bibtex

  • An Energy and Bandwidth Efficient Ray Tracing Architecture HPG, 2013

    Details PDF Bibtex

  • Fast, Effective BVH Updates for Animated Scenes I3D, 2012

    Details PDF Bibtex

  • A Mobile Accelerator Architecture for Ray Tracing SHAW, 2012

    Details PDF Slides Bibtex

  • Efficient MIMD Architectures for High-Performance Ray Tracing ICCD, 2010

    Details PDF Bibtex

  • SWEL: Hardware Cache Coherence Protocols to Map Shared Data onto Shared Caches PACT, 2010

    Details PDF Bibtex

  • TRaX: A Multicore Architecture for Real-Time Ray Tracing TCAD, 2009

    Details PDF Bibtex

  • Hardware-accelerated gradient noise for graphics GLSVLSI, 2009

    Details PDF Bibtex

  • Optimizing a Multi-Core Processor for Message-Passing Workloads UCAS, 2009

    Details PDF Bibtex

  • TRaX: A Multi-Threaded Architecture for Real-Time Ray Tracing SASP, 2008

    Details PDF Bibtex

    Dissertation

  • Efficient Ray Tracing Architectures Dissertation, 2015

    Details PDF alternate alternate2 Bibtex

    Technical report

  • An Approach to Data Prefetching Using 2-Dimensional Selection Criteria Tech Report, 2015

    Details PDF Bibtex

  • Sphynx: A Shared Instruction Cache Exporatory Study Tech Report, 2014

    Details PDF Bibtex

  • A Time-to-Recache Case Study Tech Report, 2014

    Details PDF Bibtex

  • Qualitative Cache Performance Analysis Tech Report, 2013

    Details PDF Bibtex

  • Time to Recache: Measuring Memory Miss Behavior Tech Report, 2011

    Details PDF Bibtex

  • Fast, Effective BVH Updates for Dynamic Ray-Traced Scenes Using Tree Rotations Tech Report, 2011

    Details PDF Bibtex

    Poster

  • Grid-Based Ray Tracing for a Parallel Computing Architecture HPG, 2009

    Details PDF Bibtex

  • Comparing Incoherent Ray Performance of TRaX vs. Manta RT, 2008

    Details PDF alternate Bibtex

HMC Clinic Projects

At Harvey Mudd College I advised a few clinic projects with junior and senior level students paid for by companies. The following is a list of those projects and the people involved. Those before my name are students, after are liaisons from the company.

  • Fabiha Hannan, Cyrus Huang, Sebastian Krupa, Guillaume Legrain, Minh Triet Nguyen, Maggie Rabasca, Zachary Vickland, Tiancheng Yang, Josef Spjut, Philip Cheung, John McNeil, Jef Vivian. Design and Implementation of a Memory Testing Apparatus, Clinic Report for Dart Neuroscience, Harvey Mudd College, 116 pages, May 2015.
  • Olivier Cheng, Stephen Ibanez, Amy Ngai, Joshua Sanz, Avi Thaker, Josef Spjut, Alon Regev; Computer Network Testing, Clinic Report for Ixia, Harvey Mudd College, 48 pages, May 2015.
  • Antoine Billig, Chanel Chang, Austin Chen, Obosa Obazuaye, Jeffrey Steele, Sean Velazquez, Josef Spjut, Pradeep Batra, Adrian Torres, Julia Cline; USB 3.0 to Multi-Protocol Interface Adapter, Clinic Report for Rambus Incorporate, Harvey Mudd College, 183 pages, May 2014.
  • Dylan Stow, Carl Pearson, Jeffrey Steele, Shreyasha Paudel, Adam Parower, Gurchetan Singh, Dong-hyeon Park, Josef Spjut, Warren Furguson; Multiplicative Based Division, Clinic Report for Intel Corp, Harvey Mudd College, 117 pages, May 2013.
  • Allison Card, Kacyn Fujii, Hannah Kastein, Paula Ning, Matthew Tambara, Stephanie Fawaz, Josef Spjut, Sourabh Ravindran, Nitish Murthy, Immersive Audio Game Development Kit Clinic Report for Texas Instruments, Harvey Mudd College, 110 pages, May 2013.

People

I've been fortunate to work with a large number of talented people. The ones I've worked with on research are listed below. Email me if you think you should be on this list and you aren't.

Past Research Students

Eric Storm '15, Ivan Wong '15, Skyler Williams '16, Ramy Elminyawi '16, Amy Ngai '16, Richard Piersall '16, Kirklann Lau '16, Andrew Fishberg '16, Da Eun Shim '16, Fabiha Hannan '16, Paul Jolly '16, Dong-hyeon Park '14, Sami Mourad '14, Akhil Bagaria '16, Andrew Carter '13, Paula Ning '13, Max Korbel '13, Katherine Yang '15

Current and Recent (within 3 years) Collaborators

Trey Greer, Turner Whitted, David Luebke, Timo Aila, Tero Karras, Samuli Laine, Erik Brunvand, Konstantin Shkurko, Daniel Kopta, Al Davis, Seth Pugsley,

Past Collaborators

Mike Parker, Thiago Ize, Andrew Kensler, Rajeev Balasubramonian David Nellans, Niladrish Chatterjee, Pete Shirley, Steve Parker, Solomon Boulos, Spencer Kellis, Frank Vahid, David Sheldon, Scott Sirowy, Roman Lysecky