Approximate arithmetic circuits: A survey, characterization, and recent applications

H Jiang, FJH Santiago, H Mo, L Liu… - Proceedings of the …, 2020‏ - ieeexplore.ieee.org
Approximate computing has emerged as a new paradigm for high-performance and energy-
efficient design of circuits and systems. For the many approximate arithmetic circuits …

Recent advances in EM and BTI induced reliability modeling, analysis and optimization

SXD Tan, H Amrouch, T Kim, Z Sun, C Cook, J Henkel - Integration, 2018‏ - Elsevier
In this article, we will present recent advances in reliability effects such as electromigration
on interconnects and Negative/Positive Bias Temperature Instability (N/P BTI) effects on …

Approximate computing for ML: State-of-the-art, challenges and visions

G Zervakis, H Saadat, H Amrouch… - Proceedings of the 26th …, 2021‏ - dl.acm.org
In this paper, we present our state-of-the-art approximate techniques that cover the main
pillars of approximate computing research. Our analysis considers both static and …

Cade: Configurable approximate divider for energy efficiency

M Imani, R Garcia, A Huang… - 2019 Design, Automation …, 2019‏ - ieeexplore.ieee.org
Approximate computing is a promising solution to design faster and more energy efficient
systems, which provides an adequate quality for a variety of functions. Division, in particular …

Low-power variation-aware cores based on dynamic data-dependent bitwidth truncation

I Tsiokanos, L Mukhanov… - … Design, Automation & …, 2019‏ - ieeexplore.ieee.org
Increasing variability of transistor parameters in nanoscale era renders modern circuits
prone to timing failures. To address such failures, designers adopt pessimistic timing/voltage …

DTA-PUF: Dynamic timing-aware physical unclonable function for resource-constrained devices

I Tsiokanos, J Miskelly, C Gu, M O'neill… - ACM Journal on …, 2021‏ - dl.acm.org
In recent years, physical unclonable functions (PUFs) have gained a lot of attention as
mechanisms for hardware-rooted device authentication. While the majority of the previously …

Boosting microprocessor efficiency: Circuit-and workload-aware assessment of timing errors

I Tsiokanos, G Papadimitriou… - 2021 IEEE …, 2021‏ - ieeexplore.ieee.org
Aggressive technology scaling and increased static and dynamic variability caused by
process, temperature, voltage, and aging effects make nanometer circuits prone to timing …

On the efficiency of voltage overscaling under temperature and aging effects

H Amrouch, SB Ehsani, A Gerstlauer… - IEEE Transactions on …, 2019‏ - ieeexplore.ieee.org
Voltage overscaling has received extensive attention in the last decade as an attractive
paradigm for systems in which resulting timing errors and thus a loss in accuracy can be …

Reliability-aware quantization for anti-aging NPUs

S Salamin, G Zervakis, O Spantidi… - … , Automation & Test …, 2021‏ - ieeexplore.ieee.org
Transistor aging is one of the major concerns that challenges designers in advanced
technologies. It profoundly degrades the reliability of circuits during its lifetime as it slows …

Automated design approximation to overcome circuit aging

K Balaskas, G Zervakis, H Amrouch… - … on Circuits and …, 2021‏ - ieeexplore.ieee.org
Transistor aging phenomena manifest themselves as degradations in the main electrical
characteristics of transistors. Over time, they result in a significant increase of cell …