High-Level Energy Estimation for DSP Systems

Abstract

Abstract. A new approach for estimating Digital Signal Processors ’ energy consumption is presented. Our energy consumption model is based on a func-tional analysis of the DSP’s core. Several consumption rules are determined. They give, from specific parameters extracted from the algorithm’s source code, the consumption of every functional block in the DSP, and lead to the applica-tion’s overall energy consumption. The last generation Texas Instruments C6201 is studied; the methodology is not restricted to this sole processor how-ever. The method is finally demonstrated on a classical signal processing algo-rithm; the gap between measures and estimations is lower than 8%. 1