“The other question,” he said, “is what is AI? I was very afraid to do this slide and the fact is I didn’t want to tick anybody off (slide below). But this is a very serious problem because if it can’t include time-to-solution, then we’ve already put up a barrier that we will never pass,” said Sterling. Now I value the concept and the growth that has occurred with capacity computing. Some of you would agree that it’s time-to-solution. Scanning the crowd, he said, “Those of you who look like we could have met 20 years ago here. “Is it throughput? Or is it time-to-solution?” But I will convey the sense that HPC is a leading-edge technology with the focus on computing and we asked the question: what is performance? That may seem like a stupid question, right? High performance, what’s to talk about? “What is HPC? I leave that as a question. Sterling saved these comments for the end and didn’t offer an answer. The decline of Moore’s law, the rise of AI technologies and their infusion into HPC, and the emergence of heterogeneous systems have left many wondering what it means to be doing high performance computing. HPC’s identity confusion has been a growing topic. ![]() While much of Sterling’s talk was celebratory, his darker comments on HPC’s so-called identity crisis were at least as interesting. This was also applications and systems software and tools.” He also praised the work of Exascale Computing Project ( ECP) which focused on software and worked hand-in-glove with the hardware efforts to ensure there was a viable software ecosystem for new exascale systems, of which Frontier is first. Sterling cited the seminal role of the High Performance Computing & Communications (HPCC) program, established through the High-Performance Computing Act of 1991: “The HPCC program thirty years ago, which was making really practical and effective HPC. See HPCwire’s deep coverage of the Frontier system and the Top500. They have produced this exciting result, which will do nothing but move the field forward,” said Sterling. This is the culmination of more than a decade of focused attention to detail and maturation of an approach to HPC. And yes, it has to do with architecture, and technology too. It also has to do with system software and tools. That has to do with applications and algorithms. ![]() And it is, in fact, Titan, and Summit, and the dedication and commitment by many to making heterogeneous computing work for application programmers. That process has been taking place at Oak Ridge National Lab under the broader of the Department of Energy, but also other major agencies and goals of the U.S. ![]() ISC has archived the video and will provide access to ISC attendees through the end of the year.įrontier’s performance, said Sterling, was a tour de force not only for itself but also for the wider array of efforts by DOE and the broad HPC computing community to reach exascale computing. Presented here are a few of Sterling slides and comments (lightly edited). There was, as usual, a great deal more in Sterling’s talk ( HPC Achievement and Impact 2022) – surging HPC in Europe, HPC’s identity crisis, worries-and-triumphs from the pandemic, and a brief spotlight on the Event Horizon Telescope’s computationally intense effort to image the black hole at the center of the Milky Way – but exascale computing took center stage. He is perhaps best known as the “father of Beowulf” cluster architecture. Sterling is professor of intelligent systems engineering and director of the AI Computing Systems Laboratory at Indiana University. This was his 19th ISC keynote, a feat in its own right. Frontier’s groundbreaking 1.102 exaflops Linpack run to capture the latest Top500 crown has officially started the exascale era. I mean real exaflops, you know, the kind you can get your teeth into exaflops, not words like exascale or low-precision exaflops, or ‘we know what an exaflops is, right.’ No, Rmax ,” said Sterling. “What is the word you need that everyone will remember and agree to about a particular year? This was easy. ![]() Since 1987 - Covering the Fastest Computers in the World and the People Who Run Themįor a change, said Thomas Sterling, long-time ISC keynoter and HPC pioneer, picking a theme for his 2022 talk wasn’t a challenge.
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