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HPC [clear filter]
Thursday, September 26
 

11:00am

SAN19-409 An Update on Astra - Experiences running the First Petascale ARM Supercomputer
The Vanguard program looks to expand the potential technology choices for leadership class High Performance Computing (HPC) platforms. The first deployment of Vanguard is Astra, a Petascale ARM supercomputer sited at Sandia National Laboratories. Astra is the first and currently largest ARM Supercomputer and looks to prototype the ARM ecosystem not only for the NNSA/DOE but also the greater HPC community. This talk will first discuss on the architectural details of Astra, as well as the Advanced Tri-Lab Software Environment (ATSE) which provides an overview of the software and hardware platform. Then, we will share the latest activities in performance results, scalability studies, and lessons learned thus far. We expect this will help inform the greater HPC community on the viability of the ARM ecosystem.

Speakers
avatar for Andrew Younge

Andrew Younge

Computer Scientist, Sandia National Laboratories
Andrew Younge is a Computer Scientist at Sandia National Laboratories with the Scalable System Software group. His research interests include High Performance Computing, Virtualization, Distributed Systems, and energy efficient computing. The central focal point of Andrew’s work... Read More →


Thursday September 26, 2019 11:00am - 11:25am
Pacific Room (Keynote)

12:00pm

SAN19-417 Performance Engineering for Arm Supercomputers
Arm and its partners are rapidly gaining ground in high performance computing with supercomputers based on Arm’s server-class IP (a.k.a. Neoverse) in production at leadership computing facilities worldwide. An unprecedented number of open source and commercial HPC software developers are actively tuning their applications for these new platforms. This presentation expands on the “Arm in HPC” keynote to encourage growth and collaboration in the Arm HPC community by introducing the available technologies, methodologies, and resources for HPC developers interested in migrating their applications to Arm Neoverse. The first 25 minutes of this presentation will review of the state-of-the-art in supercomputer deployments and software applications, introduce HPC developer tools from Arm and the HPC community, and conclude with tips and tricks for porting high performance computing applications to Neoverse supercomputers. If 50 minutes are available for this presentation, we will also include tips and tricks for porting vectorized HPC applications to Arm’s Scalable Vector Extension (SVE) and introduce a performance quantification methodology for SVE based on the Arm Instruction Emulator (ArmIE). We will demonstrate how highly tuned HPC applications can be ported to SVE when those applications have made assumptions about the hardware vector width and discuss the performance implications of vector width agnostic (VLA) programming. The presentation will conclude by presenting community resources for HPC developers and extending an invitation to future community events.

Speakers
avatar for John Linford

John Linford

Principal Applications Engineer, Arm
John Linford is a principal applications engineer at Arm with extensive experience creating, using, supporting, and deploying high performance computing applications and technologies. His research interests include emerging computer architectures, compilers, code generation, performance... Read More →



Thursday September 26, 2019 12:00pm - 12:50pm
Pacific Room (Keynote)