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A dramatic improvement in energy efficiency is mandatory for sustainable supercomputing and has been identified as a major challenge. Affordable energy solution continues to be of great concern in the development of the next generation of supercomputers. Low power processors, dynamic control of processor frequency and heterogeneous systems are being proposed to mitigate energy costs. However, the...
Energy consumption is a major issue in the design of embedded systems that are battery-driven. At the architectural level energy savings can be realized by a diversity of mechanisms. This paper presents the energy-savings mechanisms that are part of the time-triggered architecture (TTA). The paper starts with a general section on energy dissipation in VSLI circuits and an outline of the architectural...
Security is a key consideration when deploying wireless sensor networks (WSNs). Since the battery life confines the lifetime of a sensor node, power consumption is normally set as the first priority in developing security solutions. Due to the hardware resources constraint, lightweight cryptographic primitives are often implemented on sensor networks for ultra low power consumption. Apart from the...
We consider circuit techniques for reducing field-programmable gate-array (FPGA) power consumption and propose a family of new FPGA routing switch designs that are programmable to operate in three different modes: high-speed, low-power, or sleep. High-speed mode provides similar power and performance to traditional FPGA routing switches. In low-power mode, speed is curtailed in order to reduce power...
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