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UID:submissions.supercomputing.org_SC21_sess178_pap161@linklings.com
SUMMARY:Peppa-X: Finding Program Test Inputs to Bound Silent Data Corrupti
 on Vulnerability in HPC Applications
DESCRIPTION:Paper\n\nPeppa-X: Finding Program Test Inputs to Bound Silent 
 Data Corruption Vulnerability in HPC Applications\n\nRahman, Shamji, Guo, 
 Li\n\nTransient hardware faults have become prevalent due to the shrinking
  size of transistors, leading to silent data corruptions (SDCs). Therefore
 , HPC applications need to be evaluated (e.g., via fault injections) and p
 rotected to meet the reliability target. In the evaluation, the target pro
 grams exercise with a set of given inputs which are usually from program b
 enchmark suite. However, these inputs rarely manifest the SDC vulnerabilit
 ies, leading to over-optimistic assessment and unexpectedly higher failure
  rates in production. We propose Peppa-X, which efficiently identifies the
  test inputs that estimate the bound of program SDC resiliency. Our key in
 sight is that the SDC sensitivity distribution in a program often remains 
 stationary across input space. Thereby, we can guide the search of SDC-bou
 nd inputs by a sampled distribution. Our evaluation shows that Peppa-X can
  identify the SDC-bound input of a program that existing methods cannot fi
 nd even with 5x more search time.\n\nTag: Reproducibility Badge, System So
 ftware and Runtime Systems\n\nRegistration Category: Tech Program Reg Pass
 \n\nReproducibility Badges: Artifact Available, Artifact Functional, Resul
 ts Reproduced
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