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Pete Beckman Presents: Exascale Architecture Trends


“Argonne National Laboratory is one of the labs helping to lead the exascale push for the nation with the DOE. We lead in a numbers of areas with software and storage systems and applied math. And we’re really focusing, our expertise is focusing on those new ideas, those novel new things that will allow us to sort of leapfrog the standard slow evolution of technology and get something further out ahead, three years, five years out ahead. And that’s where our research is focused.”

Lustre Video: Robinhood v3 Policy Engine and Beyond


“The Robinhood Policy Engine is a versatile tool to manage contents of large file systems. It maintains a replicate of filesystem medatada in a database that can be queried at will. It makes it possible to schedule mass action on filesystem entries by defining attribute-based policies.”

HPC News Bytes for Oct. 7, 2015

Amazon Snowball

Sometimes the inbox for HPC news fills up faster than we can handle. In an effort to keep up, we’ve compiled noteworthy news into a Jeopardy type of Speed Round that phrases topics in the form a question.

Argonne’s Dr. Marius Stan from Breaking Bad on Computational Science in Cinema

Dr. Marius Stan (right) plays Bogdon Walnetz in Breaking Bad

In this video from the recent Argonne Training Program on Extreme-Scale Computing event, Argonne computational scientist Dr. Marius Stan discusses Computational Science in Cinema. You may know Dr Stan from the role he played as Bogdan Wolynetz, the car wash owner on the hit TV show Breaking Bad.

Apply Now for XSEDE’s Jetstream Shared Cloud Research Allocations


XSEDE’s new Jetstream shared cloud resource is coming online early next year, but you can now apply for Jetstream research allocations.

Users to Test DataWarp Burst Buffer on Cori Supercomputer


NERSC has selected a number of HPC research projects to participate in the center’s new Burst Buffer Early User Program, where they will be able to test and run their codes using the new Burst Buffer feature on the center’s newest supercomputer, Cori.

Seagate to Lead Sage Storage Project for Exascale Horizon 2020


“We are excited that the H2020 SAGE Project gives us the opportunity to research and move HPC storage into the Exascale age,” said Ken Claffey, vice president and general manager, Seagate HPC systems business. “Seagate will contribute its unique skills and device technology to address the convergence of Exascale and Big Data, with an excellent selection of participants each bringing their own capabilities together to build the future of storage on an unprecedented scale.”

New Paper: Can 3D-Stacking Topple the Memory Wall?

Memory latency depends on the used memory bandwidth, and the memory latency-bandwidth curve has three regions — constant, linear and exponential. Moving from conventional DDRx (upper figure) to high-bandwidth memory solutions (lower figure) will significantly reduce memory latency only for workloads located in theexponential region of the DDRx latency-bandwidth curve.

Can 3D-stacking technology topple the long-standing “memory wall” that’s been holding back HPC application performance? A new paper from the Barcelona Supercomputing Center written in collaboration with experts from Chalmers University and Lawrence Livermore National Laboratory concludes that it will take more than just the simple replacement of conventional DIMMs with 3D-stacked devices.

Radio Free HPC Looks at the Grand Challenges of NSCI


In this podcast, the Radio Free HPC team looks at the new round of Grand Challenges targeted by the National Strategic Computing Initiative (NSCI). The conversation was sparked by an Scientific Computing editorial by IBM’s Dave Turek.

ESnet Releases Code for Building Online Interactive Network Portals

This map highlights the sites ESnet serves, the structure of the network and the current traffic load.

ESnet has released open source code for building online Interactive Network Portals. “Now that the libraries are made available, the team hopes that other organizations will take the code, use it, add to it and work with ESnet to make the improvements available to the community.”