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In this paper, we introduce the notions of state-space symmetry for nonlinear systems and of the cross operator as a nontrivial natural extension of the linear symmetric case, in terms of the controllability and observability operators associated to it. We give a characterization of a symmetric nonlinear system in terms of the cross operator and a coordinate transformation. Then we analyze the use...
The well-known memory wall problem has motivated wide research in the design of caches. Last-level caches, whose misses can stall the processors for hundreds of cycles, have received particular attention. Strategies to modify adaptably the cache insertion, promotion, eviction and even placement policies have been proposed, some techniques being better at reducing different kinds of misses. For example...
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