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Ctherm: An Integrated Framework for Thermal-Functional Co-simulation of Systems-on-Chip

This paper presents therm, an integrated framework for cycle-accurate thermal and functional evaluation of systems-on-chip. The presented framework enables accurate characterization of thermal behaviour by generating detailed physical models for components based on input specifications, and simulating them within a tightly integrated co-simulation platform with an embedded thermal simulator.

Therm’s fine-grained modelling approach yields 70% higher accuracy in hotspot resolution as compared to conventional approaches that abstract component internals. Simulation runtime time is reduced by up to 36% over conventional continuous approaches through the use of thermal check pointing, enabling the fast-forwarding of thermal simulations without loss of thermal continuity.