"Superhuman" Poker AI Paper in Science

CMU Group Describes "Superhuman" Poker AI in Science

Libratus Used PSC's Bridges to Formulate Its Strategy in Contest with Best Human Players

Dec. 18, 2017

In a paper published online yesterday by the journal Science, Tuomas Sandholm, CMU professor of computer science, and Noam Brown, a PhD student in the Computer Science Department, detail how their AI achieved superhuman performance at Heads-Up, No-Limit Texas Hold'em poker. "Libratus" beat four of the world's best human players by breaking the game into computationally manageable parts and, based on its opponents' game play, fixing potential weaknesses in its strategy during the competition. Libratus used PSC's Bridges system to play and to formulate its strategy.

Earlier this month, another paper by Sandholm and Brown about Libratus took one of three best paper awards at the Neural Information Processing Systems (NIPS 2017) conference in Long Beach, Calif.

Read more.

Read more about the NIPS award.

Read the Science paper

CMU, PSC, Pitt Building Brain Data Repository

CMU, PSC and Pitt to Build Brain Data Repository

$5M Grant from the National Institutes of Health Will Help Promote Open Data in Neuroscience

Dec. 7, 2017

Researchers with Carnegie Mellon’s Molecular Biosensor and Imaging Center (MBIC), the Pittsburgh Supercomputing Center (PSC) and the University of Pittsburgh’s Center for Biological Imaging (CBI) will help to usher in an era of open data research in neuroscience by building a confocal fluorescence microscopy data repository. The data archive will give researchers easy, searchable access to petabytes of existing data.

PSC-Led Flu Vaccine Research Wins International Award

PSC-Led Flu Vaccine Research Wins International Supercomputing Award

Nov. 14, 2017

Research on the best strategies for offering flu vaccinations to the public at PSC, the University of Pittsburgh and Soongsil University in the Republic of Korea has won a 2017 Innovation Excellence Award from the Hyperion Research User Forum Steering Committee. Hyperion Research, the world’s most respected high-performance-computing (HPC) industry analyst group for more than 25 years, presented the award at the SC17 supercomputing conference in Denver, Colo.

PSC Wins Record Five HPCwire Awards

HPC RCA ECA 17 Banner

PSC Wins a Record Five HPCwire Readers’, Editors’ Choice Awards

Annual Awards Recognize Leaders in the Global High-Performance-Computing Community

Nov. 13, 2017

PSC has been recognized with a best-year-ever five HPCwire Readers’ and Editors’ Choice Awards at the 2017 International Conference for High-Performance Computing (HPC), Networking, Storage and Analysis (SC17), in Denver, Colorado. HPCwire, the leading trade publication in the supercomputing community, announced the list of winners at the HPCwire booth at the event, and on the HPCwire website, located at www.HPCwire.com.

PSC to Host WVU Cluster

PSC to Host WVU Cluster

Oct. 10, 2017

A three-year National Science Foundation grant totaling nearly $1 million will let West Virginia University (WVU) develop its next-generation high-performance computing cluster to advance research in an array of fields, from drug delivery to genomics and astrophysics.

Nystrom Named Interim Director, PSC

Nick Nystrom Appointed Interim Director of PSC

July 27, 2017

Nick Nystrom, senior director of research at the Pittsburgh Supercomputing Center (PSC), has been appointed interim director of the center. Nystrom succeeds Michael Levine and Ralph Roskies, who have been co-directors of PSC since its founding in 1985.

During the interim period, Nystrom will oversee PSC’s state-of-the-art research into high-performance computing, data analytics, science and communications, working closely with Levine and Roskies to ensure a smooth and seamless transition.

First Fine Structure of Complete Vertebrate Brain: Harvard/PSC Study

The Best Thing Since Sliced Bread?

Zebrafish Study Reveals First Fine Structure of a Complete Vertebrate Brain

May 10, 2017

Zebrafish larva head in cross-section. Note this isn’t a single electron microscope image, but many thousands of slices seen on edge. The large black circle is the eye, the big darker gray shape at top the brain. You can also see the nose (black crescent at right), the ear (black crescent near center) and several vertebrae (center bottom).


Why It’s Important

Every thought, every feeling, every sensation—and every behavioral illness—ultimately depends on how our brains work. Despite decades of stunning advances in imaging the brain and measuring its activity, though, we still don’t understand how even a simple vertebrate brain works.

Enter the zebrafish larva. Small and transparent—yet able to swim freely and even hunt small prey—these baby fish have long been studied by researchers to understand how their tiny brains generate behaviors. David Hildebrand, working in

the laboratories of Florian Engert and Jeff Lichtman at Harvard University, took this work a step farther, creating electron microscopic images of the zebrafish brain cut
into tens of thousands of slices.

With the help of co-author PSC’s Art Wetzel, they led an international collaboration that used these images to reconstruct specific nerve cells that spanned nearly the entire larval zebrafish brain. The hope is that this kind of thorough “nano-scale” imaging will make it possible to

extract the brain’s complete “wiring diagram.” While this work has only just begun, it may eventually shed new light on past studies of zebrafish behavior—and point the way toward a better understanding of more complex brains, such as ours.

Modest Increase in Kids' Exercise May Yield Outsized Benefits

Modest Increase in Kids' Exercise May Yield Outsized Benefits

May 2, 2017

Getting just a few more American kids to run and play for 25 minutes three times a week could have outsized benefits in reducing obesity and save tens of billions of dollars, according to researchers at the Global Obesity Prevention Center at Johns Hopkins Bloomberg School of Public Health and the Pittsburgh Supercomputing Center at Carnegie Mellon University.

The investigators used their computer simulation tool, called VPOP—Virtual Population for Obesity Prevention—to calculate how increasing the number of elementary school children participating in physical activity would play out in health benefits. Increasing the percent of kids who get thrice-weekly exercise from the current 32 percent to just 50 percent, they found, would result in 340,000 fewer obese or overweight kids and save $21.9 billion in lifetime medical costs and lost wages.

Read more.

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