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Read about important technical achievements for the NASA Advanced Supercomputing (NAS) Division.
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NAS Technical Highlights
Millions of Computer Hours Gained Through 'Rolling Upgrades'
A new approach to scheduled downtime for upgrades to the Pleiades supercomputer environment means an added 2.5 million production computing hours for NAS users.
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NAS Visualizations Support Analysis for Ares V Cargo Launch Vehicle
Recently, the NAS visualization team produced images and videos from simulations needed for Ares V vehicle design analysis.
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Porting of Galaxy Formation Code to Pleiades Yields Significant Performance Gains
The NASA Advanced Supercomputing (NAS) Division's Application Performance and Productivity (APP) experts recently ported a galaxy formation code from Columbia to Pleiades, yielding an 11.65x performance gain.
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APP Experts Port CFD Code Wind-US to Support Aircraft Exhaust Nozzle Design
Application Performance and Productivity (APP) experts of the NAS Division recently ported the widely used Wind-US code to RTJones, a key supercomputing resource for NASA's Aeronautics Research Mission Directorate.
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New NAS Data Archive System Installation Completed
NAS has replaced its archive storage systems with two Spectra T950 tape libraries, providing users with about 16 petabytes of state-of-the-art storage capacity and freeing more than 1,400 square feet of floor space.
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Visualizer Implemented for Understanding Pleiades InfiniBand Behaviors
A new utility provides a visual overview of Pleiades' complex, 10-D hypercube InfiniBand fabric—the largest built to date.
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NAS Optimizations Attain 2x Speedup for Hypersonics Modeling Code
NAS' code optimization efforts have resulted in a two-fold speedup of the US3D modeling code, which offers significant advances in the ability to accurately model complex geometries at high fidelity with improved convergence rates.
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Aerospace Engineers use Pleiades for Debris Transport Analysis of Shuttle Valve
NASA Aerospace engineers recently completed extensive debris transport analyses of a broken flow-control valve (FCV) on the Space Shuttle using the Pleiades supercomputer housed at the NAS facility
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Candidate Codes Identified to Exploit IBM Architecture
The NAS Application Performance and Productivity group recently demonstrated that some OpenMP codes scale better and run faster on Schirra than on the Columbia supercomputer—find out which ones.
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Web-Based Monitoring Tool Debuts for Supercomputer Users
The NAS Division recently released a preliminary version of the "miniHUD," a new web-based visual tool for monitoring high-end computer activity such as job queue status, CPU efficiency, and node utilization
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