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This paper focuses on scheduling periodic tasks on systems with discrete frequencies to achieve energy consumption minimization without sacrificing performance. Based on regulated directed a cyclic graphs, an approach is proposed to solve the problem. An algorithm called list scheduling-based task scheduling (LSTS) algorithm is designed to complete task mapping and frequency selection. We conduct...
Data dependencies among tasks are inevitable and have an adverse effect on the parallelism of an application. Therefore, this paper addresses the problem of setting appropriate delays on each edge of a task graph representing an application to eliminate intra-iteration data dependencies so as to produce a prologue and epilogue as small as possible. Based on the principle of the retiming technique,...
Energy minimization for multi-core embedded systems is one of the most important issues, as well as performance. When the transition time of supply voltage is a constant, appropriate execution order of tasks can decrease the number of voltage transition and save the energy overhead of voltage transition. This paper proposes a scheduling algorithm for multi-core embedded systems running periodic dependent...
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