{V0LTpwn}: Attacking x86 processor integrity from software
Z Kenjar, T Frassetto, D Gens, M Franz… - 29th USENIX Security …, 2020 - usenix.org
Fault-injection attacks have been proven in the past to be a reliable way of bypassing
hardware-based security measures, such as cryptographic hashes, privilege and access …
hardware-based security measures, such as cryptographic hashes, privilege and access …
Harnessing voltage margins for energy efficiency in multicore CPUs
G Papadimitriou, M Kaliorakis… - Proceedings of the 50th …, 2017 - dl.acm.org
In this paper, we present the first automated system-level analysis of multicore CPUs based
on ARMv8 64-bit architecture (8-core, 28nm X-Gene 2 micro-server by AppliedMicro) when …
on ARMv8 64-bit architecture (8-core, 28nm X-Gene 2 micro-server by AppliedMicro) when …
An experimental study of reduced-voltage operation in modern FPGAs for neural network acceleration
We empirically evaluate an undervolting technique, ie, underscaling the circuit supply
voltage below the nominal level, to improve the power-efficiency of Convolutional Neural …
voltage below the nominal level, to improve the power-efficiency of Convolutional Neural …
Impact of voltage scaling on soft errors susceptibility of multicore server cpus
Microprocessor power consumption and dependability are both crucial challenges that
designers have to cope with due to shrinking feature sizes and increasing transistor counts …
designers have to cope with due to shrinking feature sizes and increasing transistor counts …
Adaptive voltage/frequency scaling and core allocation for balanced energy and performance on multicore cpus
G Papadimitriou, A Chatzidimitriou… - … symposium on high …, 2019 - ieeexplore.ieee.org
Energy efficiency is a known major concern for computing system designers. Significant
effort is devoted to power optimization of modern systems, especially in large-scale …
effort is devoted to power optimization of modern systems, especially in large-scale …
From layout to system: Early stage power delivery and architecture co-exploration
With the reduced noise margin brought by relentless technology scaling, power integrity
assurance has become more challenging than ever. On the other hand, traditional design …
assurance has become more challenging than ever. On the other hand, traditional design …
Exceeding conservative limits: A consolidated analysis on modern hardware margins
G Papadimitriou, A Chatzidimitriou… - … on Device and …, 2020 - ieeexplore.ieee.org
Modern large-scale computing systems (data centers, supercomputers, cloud and edge
setups and high-end cyber-physical systems) employ heterogeneous architectures that …
setups and high-end cyber-physical systems) employ heterogeneous architectures that …
The impact of cpu voltage margins on power-constrained execution
P Koutsovasilis, CD Antonopoulos… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
CPUs typically operate at a voltage which is higher than what is strictly required, using
voltage margins to account for process variability and anticipate any combination of adverse …
voltage margins to account for process variability and anticipate any combination of adverse …
Suit: Secure undervolting with instruction traps
Modern CPUs dynamically scale voltage and frequency for efficiency. However, too low
voltages can result in security-critical errors. Hence, vendors use a generous safety margin …
voltages can result in security-critical errors. Hence, vendors use a generous safety margin …
Assessing the effects of low voltage in branch prediction units
A Chatzidimitriou, G Papadimitriou… - … Analysis of Systems …, 2019 - ieeexplore.ieee.org
Branch prediction units are key performance components in modern microprocessors as
they are widely used to address control hazards and minimize misprediction stalls. The …
they are widely used to address control hazards and minimize misprediction stalls. The …