The occupancy of caches has tended to be dominated by the logic bit value ‘0’ approximately 75% of the time. Periodic bit flipping can reduce this to 50%. Combining cache power saving strategies with bit flipping can lower the effective logic bit value ‘0’ occupancy ratios even further. We investigate how Negative Bias Temperature Instability (NBTI) affects different power saving cache strategi...

In this paper, an energy conservation mechanism to maximize the unavailability interval and to improve the energy efficiency for the Power Saving Class in WiMAX are proposed. The proposed method can be implemented in commercial fields and is fully compatible with the 802.16 standard. It provides a systematic way to adjust the start frame number of the first sleep window, one of the relevant par...

Saving energy of the portable devices including smartphones have become a critical design problem. Modern components of these devices are suffering from hunger of power. In this purpose, many researchers studied how to minimize the energy consumption. Dynamic voltage and frequency scaling (DVFS) is an effective energy saving technique for these portable devices. This paper proposes a simple but...

This paper provides new insights on how to integrate power-saving techniques by using queue occupancies to dynamically match the power-saving modes of various pipeline stages with the current instruction throughput. (This paper focuses on fetch, decode, integer execution, and data cache.) Architects have proposed many runtime power-saving techniques, most of which reduce power dissipation in a ...

Applications such as mobile devices (cellular phones, PDA, consumer electronics) does require both a very powerful processor(s) as well as low power consumption because of the limited power supply on such a device (batteries). Saving power can be achieved on three different levels. Firs, it could be achieved through low power VLSI technology where the transistors consume less power for switchin...

We consider differentiated bandwidth allocation for short-range wireless personal communication systems: Bluetooth. Since bandwidth requirements may vary among applications/services, and/or it may change over time, it is important to decide how to allocate limited resources to various service classes to meet their service requirements. We propose a simple and eff icient bandwidth allocation mec...