Hardware

A Framework to Experiment Optimizations for Real-Time and Embedded Software

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Executive Summary

Typical constraints on embedded systems include code size limits, upper bounds on energy consumption and hard or soft deadlines. To meet these requirements, it may be necessary to improve the software by applying various kinds of transformations like compiler optimizations, specific mapping of code and data in the available memories, code compression, etc. However, a transformation that aims at improving the software with respect to a given criterion might engender side effects on other criteria and these effects must be carefully analyzed. For this purpose, the authors have developed a common framework that makes it possible to experiment various code transformations and to evaluate their impact of various criteria.

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