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Long error detection latency, the time elapsed between the occurrence of an error caused by a bug and its manifestation as a system-level failure, is a major challenge in post-silicon validation of robust systems. In this paper, we present a new technique called Quick Error Detection (QED), which transforms existing post-silicon validation tests into new validation tests that significantly reduce...
The ability to use the Internet can provide an important contribution to an older adult's quality of life. Communication via email with family, friends and service providers has become a critical factor for improving ones ability to cope with modern society as individual's age. The problem is that as users age, natural physical and cognitive impairments make it more difficult for them to use the required...
CASP, concurrent autonomous chip self-test using stored test patterns, is a special kind of self-test where a system tests itself concurrently during normal operation without any downtime visible to the end-user. CASP consists of two ideas: 1. Storage of very thorough test patterns in non-volatile memory; and, 2. Architectural and system-level support for autonomous testing of one or more cores in...
Algorithmic techniques for formal verification can be used not just for bug-finding, but also to estimate vulnerability to reliability problems and to reduce overheads of circuit mechanisms for error resilience. We demonstrate this idea of verification-guided error resilience in the context of soft errors in latches. We show how model checking can be used to identify latches in a circuit that must...
Radiation induced soft errors in flip-flops, latches and combinational logic circuits, also called logic soft errors, pose a major challenge in the design of robust platforms for enterprise computing and networking applications. Associated power and performance overheads are major barriers to the adoption of classical fault-tolerance techniques to protect such systems from soft errors. Design-for-functional-test...
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