Post-silicon validation opportunities, challenges and recent advances
Proceedings of the 47th Design Automation Conference
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Robust system design ensures that future systems continue to meet user expectations despite rising levels of underlying disturbances. This paper discusses two essential aspects of robust system design: 1. Effective post-silicon validation, despite staggering complexity of future systems, using a new technique called Instruction Footprint Recording and Analysis (IFRA). 2. Cost-effective design of systems that overcome CMOS reliability challenges through built-in tolerance to errors in hardware during system operation. A combination of Built-In Soft Error Resilience (BISER) and circuit failure prediction, together with on-line self-test/diagnostics and software-orchestrated optimization across multiple abstraction layers, enable design of cost-effective resilient systems.