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In this paper, we propose a novel approach to voltage island formation and core placement for energy optimization in manycore architectures under parameter variations at pre-fabrication stage. We group the cores into irregular "cloud-shaped" voltage islands. The islands are created by balancing the desire to limit the spatial extent of each island, to reduce PVT impact, with the communication...
In this paper, we present a novel solution to the Voltage Selection Problem for large multi-core architectures. Compared to previous algorithms, ours provides similar results, but is more than 10x faster. This run-time improvement is important, especially for large multi-core platforms with hundreds of cores. We evaluate our algorithm in the context of a process, voltage, and temperature (PVT) variation-aware...
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