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Chronos: An Abstract NoC-based Manycore with Preserved Temporal and Spatial Traffic Distribution

The time spent to assess the application performance through clock-cycle simulators is a bottleneck of an NoC-based manycore design; thus, requiring higher abstraction levels at early design stages. However, high-level synchronization of processing and communication in such systems is a challenge. This work develops and validates Chronos, an untimed abstraction of an NoC-based manycore, built with Open Virtual Platform, that seeks precise traffic modeling in such a way to preserve the temporal and spatial distributions of the physical implementation. Results show the similarity of the temporal and spatial traffic distributions compared to a reference RTL-level platform.