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Neutron Beam Testing of High Performance Computing Hardware

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9 Author(s)
Michalak, S.E. ; Stat. Sci. Group, Los Alamos Nat. Lab., Los Alamos, NM, USA ; DuBois, A.J. ; Storlie, C.B. ; Quinn, H.M.
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Microprocessor-based systems are the most common design for high-performance computing (HPC) platforms. In these systems, several thousands of microprocessors can participate in a single calculation that could take weeks or months to complete. When used in this manner, a fault in any of the microprocessors could cause the computation to crash or cause silent data corruption (SDC), i.e.~computationally incorrect results. In recent years, neutron-induced failures in HPC hardware have been observed, and researchers have started to study how neutron radiation affect microprocessor-based scientific computations. This paper presents results from an accelerated neutron test focusing on two microprocessors used in Roadrunner, the first Petaflop system.

Published in:

Radiation Effects Data Workshop (REDW), 2011 IEEE

Date of Conference:

25-29 July 2011

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