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2007 Design, Automation & Test in Europe Conference & Exhibition
Multi-core architectures introduce a new granularity at which process variations may occur, yielding asymmetry among cores that were designed-and that software expects-to be symmetric in performance. The chief source of this phenomenon are highly correlated, "systematic" within-die variations such as optical imperfections yielding variations across the exposure field. Per-core voltages can be used to bring all cores to the same performance level, but this compensation strategy also affectsdoi:10.1109/date.2007.364539 fatcat:hlqij2rrvzhw5miejgn4d5k32i