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HPC Matters to Aerospace


In this video from the SC15 HPC Matters series, NASA Aerospace Engineer Dr. Shishir Pandya describes how high performance computing helps advance airplane and rocket technologies. “Why does high-performance computing matter? Because science matters! Discovery matters! Human beings are seekers, questers, questioners. And when we get answers, we ask bigger questions. HPC extends our reach, putting more knowledge, more discovery, and more innovation within our grasp. With HPC, the future is ours to create! HPC Matters!”

Video: Prologue O/S – Improving the Odds of Job Success


“When looking to buy a used car, you kick the tires, make sure the radio works, check underneath for leaks, etc. You should be just as careful when deciding which nodes to use to run job scripts. At the NASA Advanced Supercomputing Facility (NAS), our prologue and epilogue have grown almost into an extension of the O/S to make sure resources that are nominally capable of running jobs are, in fact, able to run the jobs. This presentation describes the issues and solutions used by the NAS for this purpose.”

Evolution of NASA Earth Science Data Systems in the Era of Big Data


Christopher Lynnes from NASA presented this talk at the HPC User Forum. “The Earth Observing System Data and Information System is a key core capability in NASA’s Earth Science Data Systems Program. It provides end-to-end capabilities for managing NASA’s Earth science data from various sources—satellites, aircraft, field measurements, and various other programs.”

NASA Charts Sea Level Rise

NASA visualization shows shifts in the Gulf Stream (in Blue). Yellow shows drops in Sea Levels while Orange shows increases.

“Sea level rise is one of the most visible signatures of our changing climate, and rising seas have profound impacts on our nation, our economy and all of humanity,” said Michael Freilich, director of NASA’s Earth Science Division. “By combining space-borne direct measurements of sea level with a host of other measurements from satellites and sensors in the oceans themselves, NASA scientists are not only tracking changes in ocean heights but are also determining the reasons for those changes.”

Video: High-Throughput Processing of Space Debris Data


“Space Debris are defunct objects in space, including old space vehicles (such as satellites or rocket stages) or fragments from collisions. Space debris can cause great damage to functional space ships and satellites. Thus detection of space debris and prediction of their orbital paths are essential for today’s operation of space missions. The talk shows the Python-based infrastructures BACARDI for gathering and storing space debris data from sensors and Skynet for high-throughput data processing and orbital collision detection.”

Maximizing Benefits of HPC with the National Strategic Computing Initiative

Jorge Titinger, SGI

“What we’re seeing in President Obama’s Executive Order is a major proof point of the importance of high-end computer technology in bolstering and redefining national competitiveness. In the past, a country’s competitiveness and global power was defined by economic growth and defense capabilities. But now we’re seeing the advent of actionable technological insight—especially derived from the power of big data—becoming a factor of a country’s power.”

Pleiades Supercomputer Moves Up the Ranks with Haswell


NASA reports that it’s newly upgraded Pleiades supercomputer ranks number 11 on the July 2015 TOP500 list of the most powerful supercomputers. And while the LINPACK computing power of Pleiades jumped nearly 21 percent, its ranking at number 5 on the new HPCG benchmark list reflects its ability to tackle real world applications.

Video: Supercomputing Exoplanets

Erika Nesvold, UMBC

Astronomers Erika Nesvold (UMBC) and Marc Kuchner (NASA Goddard) essentially created a virtual Beta Pictoris in the computer and watched it evolve over millions of years. It is the first full 3-D model of a debris disk where scientists can watch the development of asymmetric features formed by planets, like warps and eccentric rings, and also track collisions among the particles at the same time.

Supercomputing the Interior Dynamics of Stars and Giant Exoplanets

Night-side view of magnetic field lines in a simulation of a "hot Jupiter" exoplanet. Simulations like these help researchers better understand the interior dynamics of these planets and learn more about how they may have formed. Magenta indicates magnetic fields with positive polarity, and blue indicates fields with negative polarity. Tamara Rogers, Jess Vriesema, University of Arizona

Over at the NASA Ames Research Center, Michelle Moyer writes that the agency is using supercomputer simulations to explore the interior dynamics of stars and giant exoplanets.

HPC People on the Move: June Edition

Dr. Stephen Wheat

Dr. Lewey Anton reports on who’s jumping ship and moving on up in high performance computing. The spotlight is on HP this week, as Dr. Stephen Wheat has joined the company in Houston.