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In this paper we propose Run-DMC, an accurate runtime performance and power estimation scheme for dynamic workloads executing on heterogeneous multicore systems. In contrast to previous works, Run-DMC uses fine grain per-thread metrics that model the Thread Load Contribution (TLC) induced by the native OS scheduling policy to accurately predict performance and power for any possible thread-to-core...
A variety of dynamic thermal management (DTM) schemes have been proposed to address the adverse effects of high temperatures on a chip. These DTM schemes rely on on-chip thermal sensors to get accurate temperature information over a die, and typically assume on-chip thermal sensors give accurate temperature readings. However, on-chip thermal sensors with small footprint and low power consumption,...
This paper addresses the fundamental and practically useful question of identifying a minimum set of sensors and their locations through which a large complex dynamical network system and its time-dependent states can be observed. The paper defines the minimal sparse observability problem (MSOP) and provides analytical tools with necessary and sufficient conditions to make an arbitrary complex dynamic...
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