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Nitish Srivastava and Rajit Manohar
Asynchronous circuits are inherently more robust
than their synchronous counterparts. Desynchronization is a way
to obtain asynchronous circuits from a synchronous specification
using standard design tools while improving circuit for variation
tolerance, electro-magnetic interference (EMI), and resulting in
similar area, delay, and energy as the synchronous baseline. This
paper proposes a novel operation-dependent desynchronization
technique, which desynchronizes the circuit and improves performance
beyond the limits of synchronous design. We perform
a case study of our proposed technique on RISC-V rocket core
and show significant improvement in performance with minimal
power and area overheads.
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