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Automatic Instruction-Level Software-Only Recovery Jonathan Chang George A. Reis David I. August
 

Summary: Automatic Instruction-Level Software-Only Recovery
Jonathan Chang George A. Reis David I. August
Departments of Electrical Engineering and Computer Science
Princeton University
Princeton, NJ 08544
{jcone,gareis,august}@princeton.edu
Abstract
As chip densities and clock rates increase, processors are
becoming more susceptible to transient faults that can affect
program correctness. Computer architects have typically ad-
dressed reliability issues by adding redundant hardware, but
these techniques are often too expensive to be used widely.
Software-only reliability techniques have shown promise in
their ability to protect against soft-errors without any hard-
ware overhead. However, existing low-level software-only
fault tolerance techniques have only addressed the problem
of detecting faults, leaving recovery largely unaddressed. In
this paper, we present the concept, implementation, and eval-
uation of automatic, instruction-level, software-only recov-
ery techniques, as well as various specific techniques rep-

  

Source: August, David - Department of Computer Science, Princeton University

 

Collections: Computer Technologies and Information Sciences