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The Surprising Effectiveness of Non-Overlapping, Sensitivity-Based Performance Models

John McCalpin

The presentation discusses a family of simple performance models that I developed over the last 20 years — originally in support of processor and system design at SGI (1996-1999), IBM (1999-2005), and AMD (2006-2008), but more recently in support of system procurements at The Texas Advanced Computing Center (TACC) (2009-present).

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Top500 list: a brief introduction

PDC

It ranks the world’s 500 most powerful supercomputers based on their performance as measured by the Linpack benchmark. This is also commonly known as “double precision” on many computer systems. You might have noticed that there is a turning point in 2008 where the increase in performance of the 500 th machine slowed down slightly.

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