Keynote
“Gravitational waves and HPC: the role of computing and collaboration in opening a new field of astronomy”
Dr. Dan Stanzione, Executive Director of the Texas Advanced Computing Centre (TACC)
The University of Texas at Austin, USA
Abstract
On September 14, 2015 the two detectors of the Laser Interferometer Gravitational-Wave Observatory (LIGO) made the first direct observation of gravitational waves, from two merging black holes. On August 17, 2017 the LIGO and Virgo observatories detected gravitational waves from the merging of two neutron stars, an event seen as both a short gamma-ray burst and subsequent kilonova by space and ground-based observatories. These and other discoveries mark the beginning of gravitational wave astronomy. Long before these discoveries took place, the computing framework had to be put in place, and doing that effectively and efficiently required close collaborations between the science teams and an HPC center to build an optimized software stack. In this talk we will highlight what we have learned through this collaboration, pointing out many of the ways in which high-throughput and high-performance computing have been essential to its progress — and of course, we will look at some black hole collisions.
Thursday 8 February 2018 – 4:30 pm – 5:15 pm
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Bio
Dr. Stanzione is the Executive Director of the Texas Advanced Computing Center (TACC) at The University of Texas at Austin since July 2014, previously serving as Deputy Director. He is the principal investigator (PI) for a National Science Foundation (NSF) grant to deploy and support Stampede2, a large scale supercomputer, which will have over twice the system performance of TACC’s original Stampede system. Stanzione is also the PI of TACC’s Wrangler system, a supercomputer for data-focused applications. For six years he was co-director of CyVerse, a large-scale NSF life sciences cyberinfrastructure.
Stanzione was also a co-principal investigator for TACC’s Ranger and Lonestar supercomputers, large-scale NSF systems previously deployed at UT Austin. Stanzione received his bachelor’s degree in electrical engineering and his master’s degree and doctorate in computer engineering from Clemson University.
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