Abstract:Man has used tremendous amount of energy for his daily needs. Therefore large amount of energy has been exhausted and wasted. Footstep power generation system is designed to be very useful at public places like railway stations where lot of people keep walking through all day. In the footstep power generation system the floor sensors capture the electrical energy produced by the pressure and convert it into electrical charge with the help of the piezo transducers which in turn is used as a power source. Thus the piezoelectric technologies is used in flooring. The power source thus generated has a vast amount of applications in home application, agriculture, street lighting and as a energy source for sensors in remote locations.

In a modern world for non numeric applications, out-of-order super scalar processors are designed to achieve higher performance. Unfortunately the improvement in the performance has lead to the increase in the chip power and energy dissipation. The load/store queue is a one of the major power consuming unit in the data path design during dynamic scheduling. Load/store queue is designed to absorb busts in cache access and maintain the order of memory operations by keeping all in-flight memory instruction in program order. The proposed technique aims at reducing both dynamic and static power dissipation in the load/store queue (LQ/SQ) by using power-gating technique and priority encoder. Through this implementation, the least amount of redesign, verification efforts, lowest possible design risk, least hardware overhead is achieved without significant impact on the performance.

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