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We present a semi-empirical model for analyzing where a program spends its energy. This model combines measured features of an application, such as its instruction mix, with measured costs of the platform, such as the energy per operation specialized to different operations. The model permits costs to vary with voltage and frequency, as they would on platforms that support dynamic voltage and frequency...
Optimizing processors for (a) specific application(s) can substantially improve energy-efficiency. With the end of Dennard scaling, and the corresponding reduction in energy-efficiency gains from technology scaling, such approaches may become increasingly important. However, designing application-specific processors requires fast design space exploration tools to optimize for the targeted application(s)...
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