Engineering Cross-Layer Fault Tolerance in Many-Core Systems

Engineering modern many-core systems is a challenging task because of their scale and complexity. We cannot focus on ensuring their dependability without understanding its interplay with performance and energy consumption. This calls for developing new structuring mechanisms that step away from the traditional ways systems are developed such as strict layering, strong encapsulation, abstractions, hiding. The paper reports on the initial steps of a PhD work focusing on development methods and tools for architecting cross-layer fault tolerance in many-core systems in which error detection and error recovery are applied at several system layers in a concerted coordinated fashion to ensure the overall system efficiency.

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