Understanding voltage variations in chip multiprocessors using a distributed power-delivery network

MS Gupta, JL Oatley, R Joseph, GY Wei… - … Design, Automation & …, 2007 - ieeexplore.ieee.org
Recent efforts to address microprocessor power dissipation through aggressive supply
voltage scaling and power management require that designers be increasingly cognizant of …

Quantifying sources of error in McPAT and potential impacts on architectural studies

SL Xi, H Jacobson, P Bose, GY Wei… - 2015 IEEE 21st …, 2015 - ieeexplore.ieee.org
Architectural power modeling tools are widely used by the computer architecture community
for rapid evaluations of high-level design choices and design space explorations. Currently …

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 …

Safe limits on voltage reduction efficiency in GPUs: A direct measurement approach

J Leng, A Buyuktosunoglu, R Bertran, P Bose… - Proceedings of the 48th …, 2015 - dl.acm.org
Energy efficiency of GPU architectures has emerged as an important aspect of computer
system design. In this paper, we explore the energy benefits of reducing the GPU chip's …

Power, thermal, and reliability modeling in nanometer-scale microprocessors

D Brooks, RP Dick, R Joseph, L Shang - Ieee Micro, 2007 - ieeexplore.ieee.org
System integration and performance requirements are dramatically increasing the power
consumptions and power densities of high-performance microprocessors. High power …

Voltage emergency prediction: Using signatures to reduce operating margins

VJ Reddi, MS Gupta, G Holloway… - 2009 IEEE 15th …, 2009 - ieeexplore.ieee.org
Inductive noise forces microprocessor designers to sacrifice performance in order to ensure
correct and reliable operation of their designs. The possibility of wide fluctuations in supply …

Voltage noise in multi-core processors: Empirical characterization and optimization opportunities

R Bertran, A Buyuktosunoglu, P Bose… - 2014 47th Annual …, 2014 - ieeexplore.ieee.org
Voltage noise characterization is an essential aspect of optimizing the shipped voltage of
high-end processor based systems. Voltage noise, ie Variations in the supply voltage due to …

Voltage smoothing: Characterizing and mitigating voltage noise in production processors via software-guided thread scheduling

VJ Reddi, S Kanev, W Kim… - 2010 43rd Annual …, 2010 - ieeexplore.ieee.org
Parameter variations have become a dominant challenge in microprocessor design. Voltage
variation is especially daunting because it happens so rapidly. We measure and …

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 …

Low-cost sensing with ring oscillator arrays for healthier reconfigurable systems

KM Zick, JP Hayes - ACM Transactions on Reconfigurable Technology …, 2012 - dl.acm.org
Electronic systems on a chip increasingly suffer from component variation, voltage noise,
thermal hotspots, and other subtle physical phenomena. Systems with reconfigurability have …