Recent Talks and Publications

• Introduction to Accelerated Computing with OpenACC - GTC Express Webinar - (Slides | Video)
• What's new with OpenACC 2.0 and OpenMP 4.0 - GTC 2014
• Advanced Accelerated Computing Using Directives - GTC 2014
• Introduction to Accelerated Computing Using Directives - GTC 2014
• OpenMP and NVIDIA - SC13 (Video | Slides)
• Getting Started with OpenACC GTC 2013
• Introduction to Accelerator Directives (February 2013) - OLCF Titan Users and Developers Workshop.
• Application development for the XK6 - CUG2012 Tutorial
• Porting the Community Atmosphere Model - Spectral Element Code to Utilize GPU Accelerators - CUG 2012
• Progress towards accelerating HOMME on hybrid multi-core systems - International Journal of High Performance Computing
• Progress towards accelerating CAM-SE
• Effective use of HPCMP’s Cray XE - HPCMP User Group Conference 2011
• Introduction to GPU Computing - CUG2011 Tutorial
• Maximizing Application Performance on Cray XT6 and XE6 Supercomputers DOD-MOD Users Group 2010 - HPCMP User Group Conference 2010
• A Comparison of Accelerator Programming Models - OLCF Seminar Series, April 30, 2010 (On Slideshare) or (On Prezi)
• A Scalable Method for Ab Initio Computation of Free Energies in Nanoscale Systems (SC09 Gordon Bell Winner)
• Cray XT Best Practices - A list of suggestions and best practices for Cray XT application development.
• New algorithm to enable 400+ TFlop/s sustained performance in simulations of disorder effects in high-Tc superconductors (SC08 Gordon Bell Winner)
• I/O Performance on a Massively Parallel Cray XT3/XT4 (IPDPS 2008) - An I/O study of the Cray XT3/XT4 at ORNL using guidance from actual application requirements.
• Cray XT4: An Early Evaluation for Petascale Scientific Simulation (SC07) - An evaluation of XT4 performance on several key microbenchmarks and scientific applications
• Guidelines for Efficient Parallel I/O on the Cray XT3/XT4 (CUG 2007/LCI 2007) - A review of Cray XT3/XT4 I/O results and guidelines for efficient I/O. (paper )
• HPCC Results and Analysis from ORNL's XT3/XT4 System (CUG 2007) - An overview of Cray XT3/XT4 HPCC results (paper)
• Cray XT/CrayPAT for Dummies (03/29/2007) - A Cray XT and CrayPAT Cheetsheet. Presented at the 2007 NCCS Users Meeting.
• Efficient Parallel I/O on the Cray XT (02/28/2007) - A Tutorial of MPI-IO on the Cray XT given originally at the 2007 North American Cray Technical Workshop.
• Performance Lessons from the Cray XT3 (05/02/2006) - Discussion about the Cray XT3 architecture. Talk given at the Linux Clustering Institute's 2006 conference.
• Cliff’s Developing for the Cray XT3 (02/16/2006) - A primer for Cray XT3 development.