Demystifying the system vulnerability stack: Transient fault effects across the layers

G Papadimitriou, D Gizopoulos - 2021 ACM/IEEE 48th Annual …, 2021 - ieeexplore.ieee.org
In this paper, we revisit the system vulnerability stack for transient faults. We reveal severe
pitfalls in widely used vulnerability measurement approaches, which separate the hardware …

Avgi: Microarchitecture-driven, fast and accurate vulnerability assessment

G Papadimitriou, D Gizopoulos - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
We propose AVGI, a new Statistical Fault Injection (SFI)-based methodology, which delivers
orders of magnitude faster assessment of the Architectural Vulnerability Factor (AVF) of a …

Silent data corruptions: Microarchitectural perspectives

G Papadimitriou, D Gizopoulos - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Today more than ever before, academia, manufacturers, and hyperscalers acknowledge the
major challenge of silent data corruptions (SDCs) and aim on solutions to minimize its …

Impact of voltage scaling on soft errors susceptibility of multicore server cpus

D Agiakatsikas, G Papadimitriou, V Karakostas… - Proceedings of the 56th …, 2023 - dl.acm.org
Microprocessor power consumption and dependability are both crucial challenges that
designers have to cope with due to shrinking feature sizes and increasing transistor counts …

Harpocrates: Breaking the silence of cpu faults through hardware-in-the-loop program generation

N Karystinos, O Chatzopoulos… - 2024 ACM/IEEE 51st …, 2024 - ieeexplore.ieee.org
Several hyperscalers have recently disclosed the occurrence of Silent Data Corruptions
(SDCs) in their systems fleets, sparking concerns about the severity of known and the …

Silent data errors: Sources, detection, and modeling

A Singh, S Chakravarty, G Papadimitriou… - 2023 IEEE 41st VLSI …, 2023 - ieeexplore.ieee.org
Chip manufacturers and hyperscalers are becoming increasingly aware of the problem
posed by Silent Data Errors (SDE) and are taking steps to address it. Major computing …

Gem5-marvel: Microarchitecture-level resilience analysis of heterogeneous soc architectures

O Chatzopoulos, G Papadimitriou… - … Symposium on High …, 2024 - ieeexplore.ieee.org
In this paper, we present gem5-MARVEL, the first consolidated microarchitecture-level fault
injection infrastructure for heterogeneous System-on-Chip architectures comprising CPUs of …

Silent data corruptions: The stealthy saboteurs of digital integrity

G Papadimitriou, D Gizopoulos… - 2023 IEEE 29th …, 2023 - ieeexplore.ieee.org
Silent Data Corruptions (SDCs) pose a significant threat to the integrity of digital systems.
These stealthy saboteurs silently corrupt data, remaining undetected by traditional error …

Anatomy of on-chip memory hardware fault effects across the layers

G Papadimitriou, D Gizopoulos - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Reliability evaluation of a microprocessor design may reveal vulnerable silicon areas that
require protection against faults, but also hardware structures that are inherently more …

An empirical study of the impact of single and multiple bit-flip errors in programs

B Sangchoolie, K Pattabiraman… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Recent studies have shown that technology and voltage scaling are expected to increase
the likelihood that particle-induced soft errors manifest as multiple-bit errors. This raises …