Publications
Toward Performance Prediction of Tree-Based Overlay Networks on the Cray XT,
, Dagstuhl Seminar on Program Development for Extreme-Scale Computing, Wadern, Germany, (2010)
Using MRNet for Scalable Tool Development on Cray XT,
, Cray User Group 2010, (2010)
Visualization and Analysis-Oriented Reconstruction of Material Interfaces,
, Computer Graphics Forum, Volume 29, Number 3, p.1241–1250, (2010)
XGC1: Performance on the 8-Core and 12-Core Cray XT5 Systems at Oak Ridge National Laboratory,
, Proceedings of the 52nd Cray User Group Conference, May, Edinburgh, United Kingdom, (2010)
Accelerating S3D: A GPGPU Case Study,
, Seventh International Workshop on Algorithms, Models, and Tools for Parallel Computing on Heterogeneous Platforms (HeteroPar 2009), 25 August 2009, Delft, The Netherlands, (2009)
Accuracy and Performance of Graphics Processors: A Quantum Monte Carlo Application Case Study,
, Parallel Comput., Volume 35, Issue 3, p.151-163, (2009)
Cetus: A Source-to-Source Compiler Infrastructure for Multicores,
, Proc. of the 14th Int'l Workshop on Compilers for Parallel Computing (CPC'09), (2009)
(249.74 KB)

Cetus: A Source-to-Source Compiler Infrastructure for Multicores,
, IEEE Computer, Volume 42, p.36–42, (2009)
(3.16 MB)

Coping at the User-Level with Resource Limitations in the Cray Message Passing Toolkit MPI at Scale: How Not to Spend Your Summer Vacation,
, Proceedings of the 51st Cray User Group Conference, May, Atlanta, GA, (2009)
Design, Implementation, and Evaluation of Transparent pNFS on Lustre,
, IEEE International Parallel and Distributed Processing Symposium (IPDPS 09), 2009, Rome, Italy, (2009)
Early Evaluation of the Cray XT5,
, Proceedings of the 51st Cray User Group Conference, May, Atlanta, GA, (2009)
A Holistic Approach for Performance Measurement and Analysis for Petascale Applications,
, International Conference on Computational Science, Baton Rouge, LA, (2009)
HPC Interconnection Networks: The Key to Exascale Computing,
, Advances in Parallel Computing: High Speed and Large Scale Scientific Computing, Volume 18, p.95-106, (2009)
Model-based Hybrid MPI/OpenMP Power-Aware Computing (poster),
, International Conference for High Performance Computing, Networking, Storage and Analysis (SC), Portland, OR, (2009)
Modeling the Office of Science Ten Year Facilities Plan: The PERI Architecture Tiger Team,
, Journal of Physics: Conference Series (Proceedings of SciDAC 2009, San Diego, CA, July 14-18, 2009), Volume 180, Issue 012039, (2009)
OpenMP to GPGPU: A Compiler Framework for Automatic Translation and Optimization,
, ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming (PPoPP), New York, NY, USA, (2009)
(481.02 KB)

Scalable I/O Tracing and Analysis,
, 2009 Petascale Data Storage Workshop, 11/2009, Portland, Oregon, (2009)
Scalable Tool Infrastructure for the Cray XT Using Tree-Based Overlay Networks,
, 2009 CScADS Workshop on Performance Tools for Petascale Computing, July, Tahoe City, CA, (2009)
(3.49 MB)

Scalable Tool Infrastructure for the Cray XT Using Tree-Based Overlay Networks,
, Cray User Group Meeting (CUG 2009), Atlanta, (2009)
Scaling to 150K Cores: Recent Algorithm and Performance Engineering Developments Enabling XGC1 to Run at Scale,
, Journal of Physics: Conference Series, Volume 180, (2009)
Whole-Volume Integrated Gyrokinetic Simulation of Plasma Turbulence in Realistic Diverted-Tokamak Geometry,
, Journal of Physics: Conference Series, Volume 180, (2009)
Acceleration of Time Integration,
, Proceedings of the 50th Cray User Group Conference, May, Helsinki, Finland, (2008)
Adaptive Runtime Tuning of Parallel Sparse Matrix-Vector Multiplication on Distributed Memory Systems,
, ACM International Conference on Supercomputing (ICS08), 06/2008, (2008)
(667.15 KB)

Adaptive Tuning in a Dynamically Changing Resource Environment,
, Workshop on Next-Generation Software Systems, Int'l Parallel and Distributed Processing Symposium (IPDPS'08), (2008)
(143.01 KB)

Algorithm 888: Spherical Harmonic Transform Algorithms,
, ACM Transactions on Mathematical Software, October, Volume 35, p.1–23, (2008)