Energy Efficient Dual Issue Embedded Processor

• Main Authors: Hanni Lozano, Mabo Ito
• Format: Article
• Language: English
• Published: European Alliance for Innovation (EAI) 2016-01-01
• Series: EAI Endorsed Transactions on Industrial Networks and Intelligent Systems
• Subjects: embedded processor; energy efficiency
• Online Access: https://eudl.eu/pdf/10.4108/eai.1-1-2016.150814

While energy efficiency is essential to extend the battery life of embedded devices, performance cannot be ignored. Highperformance superscalar embedded processors are more energy efficient than low performance scalar processors, however,they consume more power which is very limited in battery operated deeply embedded industrial devices. In this paper wepropose an energy efficient dual issue embedded processor that can deliver up to 60% improvement in IPC (instructionper-cycle) performance with less than 20% increase in power consumption compared to a single issue scalar processor. Incontrast to traditional multi-issue embedded processors that use power intensive superscalar techniques to extractinstruction-level parallelism from applications, the proposed processor uses simple hardware techniques to resolveinstruction scheduling conflicts. The processor is optimized for implementation on a low cost FPGA which makes it asuitable candidate for cost sensitive embedded industrial applications.