The People Have Spoken!
ORNL Researchers Take Top Honors for Poster
The poster, titled A Cluster Analysis Approach to Comparing Atmospheric Radiation Measurement (ARM) Data and Global Climate Model (GCM) Results, won the Gold Medal of the People's Choice Awards at the recent 2008 ARM Science Team Meeting in Norfolk, Virginia. Developed by Forrest Hoffman (ORNL), Salil Mahajan (Texas A&M), William Hargrove (USDA Forest Service), Richard Mills (ORNL), and Tony Del Genio (NASA Goddard Institute for Space Studies), this poster described the results of a comparison of five years of atmospheric observations from the ARM Southern Great Plains (SGP) site with corresponding 6-hourly output from an integration of the Community Climate System Model (CCSM) run under the Intergovnmental Panel on Climate Change (IPCC) Special Report on Emissions Scenarios (SRES) A2 scenario for the current decade. Also presented were recent improvements to the parallel clustering code used for the analysis and a new parallel Principal Components Analysis (PCA) tool. The Peoples' Choice Awards, new to this year's meeting, were awarded based on votes from all of the ARM scientists attending the meeting. Hoffman and Mills presented the poster at the meeting's poster session in Norfolk.
This poster, along with the second and third place winners, can be seen at http://stm.arm.gov/2008/winning_posters_pc.stm
Future Technologies (FT) Group's Investigation Reveals Popular Scientific Benchmarks Do Not Accurately Represent TLB Behaviors of Real Applications
FT Group members Collin McCurdy and Jeff Vetter, along with Alan Cox of Rice University, will be presenting their paper "Investigating the TLB Behavior of High-end Scientific Applications on Commodity Microprocessors," in Austin, TX this April at the 2008 IEEE International Symposium on Performance Analysis of Systems and Software (ISPASS’08). The paper is the culmination of work, undertaken as part of the PetaSSI FastOS project, seeking to understand the TLB behavior of scientific applications. The analysis shows that two benchmark suites that are understood to represent scientific application behavior (SPEC CPU and HPCC) are not representative of the TLB behavior of important full scale applications. Furthermore, the paper demonstrates that false conclusions drawn from benchmark TLB performance can have significant ramifications for application performance.
Please click HERE to visit the ISPASS-2008 website.
Please click HERE to visit the Future Technologies Group website.
Researchers Win Outstanding Mentor Award
On February 5th, CSMD researchers Forrest Hoffman, Nagiza Samatova, Sudharshan Vazhkudai, and Tatiana Karpinets were awarded Oak Ridge Associated Universities' Outstanding Mentor Award. The award is given to honor the outstanding commitment ORNL scientists and engineers make to students and teachers participating in the Laboratory's education programs.
The keynote speaker for the ceremony was William Valdez, Director of the Office of Science's Office of Workforce Development for Teachers and Scientists. Thom Mason (ORNL Laboratory Director) and James Roberto (Deputy Director for Science and Technology) presented the awards.
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