Lu Peng

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The shrinking processor feature and operating voltages of processor circuits are making them increasingly vulnerable to soft faults, which calls for fault resilience techniques at both the software and hardware levels under the big data context. To assist software developers in writing fault-resilient big data applications, we propose the tool ErrorSight,(More)
OBJECTIVE To investigate the relationship between pure-tone average (PTA), the fractional anisotropy (FA) of the auditory pathway, cognitive cortex and auditory cortex in presbycusis. METHOD Twenty-five elderly subjects with presbycusis were participated in the study. PTA, speech discrimination abilities were evaluated in each subject. Diffusion tensor(More)
As HPC systems approach Exascale, their circuit features will shrink while their overall size will grow, both at a fixed power limit. These trends imply that soft faults in electronic circuits will become an increasingly significant problem for programs that run on these systems, causing them to occasionally crash or worse, silently return incorrect(More)
Branch predictor design is typically focused only on minimizing the misprediction rate (MR), while ignores misprediction penalty.Because the misprediction penalty varies widely from branch to branch, performance might get improved by using a predictor that makes a greater effort to predict high-penalty branches, at the expense of the other, even if the(More)
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