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Christopher Meyer Sewell

Christopher Sewell

Phone (505) 665-2563


Data science at scale; large-scale visualization and analysis; data-parallelism; multi-core and many-core technologies; in-situ visualization and analysis; haptics; medical robotics


Stanford University, Stanford, CA Ph.D. in Computer Science, April 2007 M.S. in Computer Science, September 2004

Texas A&M University, College Station, TX B.S. in Computer Science, May 2002 Minors in Electrical Engineering, Mathematics, and Chemistry


LANL Positions

Los Alamos National Laboratory, Los Alamos, NM Staff Scientist, Data Science at Scale Team, Computational and Computer Sciences Group May 2011 to Present



[Carr, Hamish * Weber, Gunther * Sewell, Christopher * Ahrens, James] "Parallel Peak Pruning for Scalable SMP Contour Tree Computation." Proceedings of the IEEE Symposium on Large Data Analysis and Visualization (LDAV), October 2016. Baltimore, Maryland.

[Moreland, Kenneth * Sewell, Christopher * Usher, William * Lo, Li-Ta * Meredith, Jeremy * Pugmire, David * Kress, James * Schroots, Hendrik * Ma, Kwan-Liu * Childs, Hank * Larsen, Matthew * Chen, Chun-Ming * Maynard, Robert * Geveci, Berk] "VTK-m: Accelerating the Visualization Toolkit for Massively Threaded Architectures." IEEE Computer Graphics and Applications, pp. 48-58, May/June 2016.

[Sewell, Christopher * Heitmann, Katrin * Finkel, Hal * Zagaris, George * Parete-Koon, Suzanne T. * Fasel, Patricia * Pope, Adrian * Frontiere, Nicholas * Lo, Li-Ta * Messer, Bronson * Habib, Salman * Ahrens, James] "Large-Scale Compute-Intensive Analysis via a Combined In-situ and Co-scheduling Workflow Approach." Proceedings of The International Conference for High Performance Computing, Networking, Storage, and Analysis, November 2015. Austin, Texas.

[Sewell, Christopher * Lo, Li-Ta * Heitmann, Katrin * Habib, Salman * Ahrens, James] "Utilizing Many-Core Accelerators for Halo and Center Finding within a Cosmology Simulation." Proceedings of the IEEE Symposium on Large Data Analysis and Visualization (LDAV), October 2015. Chicago, IL.

[Heitmann, Katrin * Frontiere, Nicholas * Sewell, Christopher * Habib, Salman * Pope, Adrian * Finkel, Hal * Rizzi, Silvio * Insley, Joe * Bhattacharya, Suman] "The Q Continuum Simulation: Harnessing the Power of GPU Accelerated Supercomputers."  Astrophysical Journal Supplement Series, 219(34), August 2015.

[Widanagamaachchi, Wathsala * Hammond, Karl * Lo, Li-Ta * Wirth, Brian * Samsel, Francesca * Sewell,  Christopher * Ahrens, James  * Pascucci, Valerio] "Visualization and Analysis of Large-Scale Atomistic Simulations of Plasma-Surface Interactions." Proceedings of EuroVis (short paper), May 2015. Cagliari, Italy.

[Widanagamaachchi, Wathsala * Bremer, Peer-Timo * Sewell, Christopher * Lo, Li-Ta * Ahrens, James *  Pascucci, Valerio] "Data-Parallel Halo Finding with Variable Linking Lengths." Proceedings of the IEEE Symposium on Large-Scale Data Analysis and Visualization (LDAV), November 2014. Paris, France.

[Francois, Marianne M. * Lo, Li-Ta * Sewell, Christopher] "Volume-of-Fluid Interface Reconstruction Algorithms on Next Generation Computer Architectures." Proceedings of the ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting and 12th International Conference on Nanochannels, Microchannels, and Minichannels, August 2014. Chicago, IL.

[Sewell, Christopher * Lo, Li-Ta * Ahrens, James] "Portable Data-Parallel Visualization and Analysis in Distributed Memory Environments", Proceedings of the IEEE Symposium on Large-Scale Data Analysis and Visualization (LDAV), 2013.

[Childs, Hank * Geveci, Berk * Schroeder, Will * Meredith, Jeremy * Moreland, Kenneth * Sewell, Christopher * Kuhlen, Torsten * Wes Bethel, E.], "Research challenges for visualization software", Computer, Vol.46, iss.5, p.34-42, 2013.

[Sewell, Christopher * Meredith, Jeremy * Moreland, Kenneth * Peterka, Tom * Demarle, Dave * Lo, Li-Ta * Ahrens, James * Maynard, Robert * Geveci, Berk], "The SDAV Software frameworks for visualization and analysis on next-generation multi-core and many-core Architectures", The Seventh Workshop on Ultrascale Visualization, Proceedings - 2012 SC Companion: High Performance Computing, Networking Storage and Analysis, SCC 2012, p.206-214, November 2012.

[Lo, L.-T. * Sewell, C. * Ahrens, J.], "Piston: A portable cross-platform framework for data-parallel visualization operators", Eurographics Workshop on Parallel Graphics and Visualization, p.11-20, May 2012.