General-purpose DSPs are not power-efficient for every application due to their general nature. Configurable-processor technology bridges the gap between a DSP’s fixed-ISA flexibility and programmability and hard-wired power efficiency by enabling the creation of full-featured, programmable DSPs that have precisely the right features for a specific task. Tensilica’s Vectra LX—a fixed-point, vector DSP engine created as a configuration option for the Xtensa LX configurable processor—illustrates this concept.
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Editorial
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DAC 2012 at San Francisco CA - Jun 3 - 7, 2012
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