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 …
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 …
Modern hardware margins: CPUs, GPUs, FPGAs recent system-level studies
D Gizopoulos, G Papadimitriou… - 2019 IEEE 25th …, 2019 - 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 …
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 …
Micro-viruses for fast system-level voltage margins characterization in multicore CPUs
G Papadimitriou, A Chatzidimitriou… - … Analysis of Systems …, 2018 - ieeexplore.ieee.org
In this paper, we propose the employment of fast targeted programs (diagnostic micro-
viruses) that aim to stress individually the main hardware components of a multicore CPU …
viruses) that aim to stress individually the main hardware components of a multicore CPU …
Using undervolting as an on-device defense against adversarial machine learning attacks
Deep neural network (DNN) classifiers are powerful tools that drive a broad spectrum of
important applications, from image recognition to autonomous vehicles. Unfortunately …
important applications, from image recognition to autonomous vehicles. Unfortunately …
Healthlog monitor: Errors, symptoms and reactions consolidated
A Chatzidimitriou, G Papadimitriou… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Advances in reliability research have presented novel techniques for early identification of
upcoming failures (both long-term and short-term) as well as sophisticated isolation and …
upcoming failures (both long-term and short-term) as well as sophisticated isolation and …