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 facilitation of voltage over-scaling and minimization of timing errors in floating-point multipliers

G Chatzitsompanis… - 2023 IEEE 29th …, 2023 - ieeexplore.ieee.org
Voltage over-scaling (VoS) may be one of the most effective power reduction approaches,
however, it makes circuits susceptible to timing failures. Various techniques were proposed …

DEFCON: Generating and detecting failure-prone instruction sequences via stochastic search

I Tsiokanos, L Mukhanov… - … , Automation & Test …, 2020 - ieeexplore.ieee.org
The increased variability and adopted low supply voltages render nanometer devices prone
to timing failures, which threaten the functionality of digital circuits. Recent schemes focused …

SPUF design based on Camellia encryption algorithm

J Chen, P Wang, Y Zhang, H Zhang - Microelectronics Journal, 2021 - Elsevier
To meet the security requirements of resource-constrained systems, a software PUF (SPUF)
scheme based on the encryption algorithm is proposed using the timing violation to …

ExHero: Execution history-aware error-rate estimation in pipelined designs

I Tsiokanos, G Karakonstantis - IEEE Micro, 2020 - ieeexplore.ieee.org
The increased variability renders nanometer devices prone to timing errors. Recent work
focused on the development of error prediction models for either evaluating the effects of …

[PDF][PDF] Microarchitecture and Workload-Aware Error Prediction

S Tompazi - 2024 - pure.qub.ac.uk
In 1975, Moore observed that the complexity of integrated circuits would double every two
years towards the end of the decade, instead of every year [83]. He predicted that this would …

Energy Efficient Hyperparameter Tuned Deep Neural Network to Improve Accuracy of Near-Threshold Processor.

K Chanthirasekaran… - Intelligent Automation & …, 2023 - search.ebscohost.com
When it comes to decreasing margins and increasing energy efficiency in near-threshold
and sub-threshold processors, timing error resilience may be viewed as a potentially …

[PDF][PDF] Cross-layer instruction-aware timing error mitigation & evaluation for energy-efficient dependable architectures

I Tsiokanos - 2021 - pure.qub.ac.uk
In 1975, Moore wrote regarding the semiconductor complexity curve [140]:" The new slope
might approximate a doubling every two years, rather than every year, by the end of the …

Hardware Level Approximations

I Tsiokanos, G Papadimitriou, D Gizopoulos… - … : From Component-to …, 2022 - Springer
In the past two decades approximation techniques have been applied at the circuit and
microarchitecture level for exploiting the error-resilient nature of many applications. The …