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Fine-grained power management of largely-integrated manycore systems is becoming mainstream in order to deal with tight power budgets. As a result, some level of asynchrony is becoming inevitable for efficient system-level operation. Asynchronous interconnection networks naturally provide such asynchrony, however their wide industrial uptake depends on the capability to overcome two fundamental barriers:...
A realistic assessment of optical networks-on-chip (ONoCs) can be performed only in the context of a comprehensive floorplanning strategy for the system as a whole, especially when the 3-D stacking of electronic and optical layers is implemented. This paper fosters layout-aware ONoC design by developing a physical mapping methodology for wavelength-routed ONoC topologies subject to the floorplanning,...
Emerging technologies often carry different logic primitives for which contemporary logic synthesis techniques are not suitable. For this reason, the design space of circuitlevel solutions relying on such technologies is often largely unexplored. One domain where this trend is evident consists of topologies for wavelength-routed optical networks-on-chip (WRONoCs). Current literature only reports isolated...
The fundamental choice to be taken when sharing an optical ring between multiple communication actors is whether to avoid contention from the ground up by means of non-interfering concurrent transmissions on different wavelengths, or by resolving it at runtime through arbitration mechanisms.This paper aims at assessing power efficiency of Wavelength-Selective vs. Wavelength-Arbitrated routing methodologies...
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