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Thursday, August 07

NOTE LOCATION CHANGE:
An Overview of High-Performance Computing and
Challenges for the Future

Jack Dongarra, Computer Science and Mathematics Division
Nuclear Science and Technology Division Seminar
10:00 AM, JICS Building (5100), Auditorium (Room 128)
Contact: Kevin T. Clarno (clarnokt@ornl.gov), 865.241.1894
Contact: Alice Rice (riceaf@ornl.gov), 865.576.2237

Abstract

In this talk we examine how high performance computing has changed over the last 10-year and look toward the future in terms of trends. These changes have had and will continue to have a major impact on our software. A new generation of software libraries and algorithms are needed for the effective and reliable use of (wide area) dynamic, distributed and parallel environments. Some of the software and algorithm challenges have already been encountered, such as management of communication and memory hierarchies through a combination of compile--time and run--time techniques, but the increased scale of computation, depth of memory hierarchies, range of latencies, and increased run--time environment variability will make these problems much harder. We will focus on the redesign of software to fit multicore architectures.