Delays

iRazor: Current-Based Error Detection and Correction Scheme for PVT Variation in 40-nm ARM Cortex-R4 Processor

This paper presents iRazor, a lightweight error detection and correction approach, to suppress the cycle time margin that is traditionally added to very large scale integration systems to tolerate process, voltage, and temperature variations. iRazor …

Impact of FinFET on Near-Threshold Voltage Scalability

Near-threshold operations provide a powerful knob for improving energy efficiency and alleviating on-chip power densities. This article explores the impact of newest FinFET CMOS technologies (from 40 to 7 nm) on near-threshold computing in terms of …

Near-threshold computing in FinFET technologies: Opportunities for improved voltage scalability

In recent years, operating at near-threshold supply voltages has been proposed to improve energy efficiency in circuits, yet decreased efficacy of dynamic voltage scaling has been observed in recent planar technologies. However, foundries have …

iRazor: 3-transistor current-based error detection and correction in an ARM Cortex-R4 processor

It is well known that technology scaling has led to increasing process/voltage/temperature/aging margins that substantially degrade performance and power in modern processors and SoCs. One approach to address these large timing margins is the use of …

Reconfigurable self-timed regenerators for wide-range voltage scaled interconnect

A reconfigurable self-timed regenerator based global interconnect scheme enables graceful degradation of performance and power in wide range dynamic voltage/frequency scaled systems. A test chip demonstrates up to 40% and 25% better performance …

Low-Power Near-Threshold Design: Techniques to Improve Energy Efficiency Energy-efficient near-threshold design has been proposed to increase energy efficiency across a wid

Energy-efficient near-threshold design has been proposed to increase energy efficiency across a wide range of applications. This article first provides a background motivating near-threshold and how it differs from super-threshold and subthreshold …

XPoint cache: Scaling existing bus-based coherence protocols for 2D and 3D many-core systems

With multi-core processors now mainstream, the shift to many-core processors poses a new set of design challenges. In particular, the scalability of coherence protocols remains a significant challenge. While complex Network-on-Chip interconnect …