Processors

DACOTA: Post-Silicon Validation of the Memory Subsystem in Multi-Core Designs

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Executive Summary

The number of functional errors escaping design verification and being released into final silicon is growing, due to the increasing complexity and shrinking production schedules of modern processor designs. Recent trends towards Chip Multi-Processors (CMPs) are exacerbating the problem because of their complex and sometimes non-deterministic memory subsystems, prone to subtle but devastating bugs. This deteriorating situation calls for high-efficiency, high-coverage results in functional validation, results that are be achieved by leveraging the performance of post-silicon validation, that is, those verification tasks that are executed directly on prototype hardware.

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