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Architectures and Modeling of Predictable Memory Controllers for Improved System Integration

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Executive Summary

Designing multi-processor systems-on-chips becomes increasingly complex, as more applications with real-time requirements execute in parallel. System resources, such as memories, are shared between applications to reduce cost, causing their timing behavior to become inter-dependent. Using conventional simulation-based verification, this requires all concurrently executing applications to be verified together, resulting in a rapidly increasing verification complexity. Predictable and composable systems have been proposed to address this problem. Predictable systems provide bounds on performance, enabling formal analysis to be used as an alternative to simulation. Composable systems isolate applications, enabling them to be verified independently.

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