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@article{Harrison:2016:10.1145/2818726,
author = {Harrison, PG and Patel, NM and Knottenbelt},
doi = {10.1145/2818726},
journal = {ACM Transactions on Modeling and Performance Evaluation of Computing Systems},
title = {Energy–performance trade-offs via the EP-queue},
url = {http://dx.doi.org/10.1145/2818726},
volume = {1},
year = {2016}
}

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TY  - JOUR
AB  - We introduce the EP queue -- a significant generalization of the MB/G/1 queue that has state-dependent service time probability distributions and incorporates power-up for first arrivals and power-down for idle periods. We derive exact results for the busy-time and response-time distributions. From these, we derive power consumption metrics during nonidle periods and overall response time metrics, which together provide a single measure of the trade-off between energy and performance. We illustrate these trade-offs for some policies and show how numerical results can provide insights into system behavior. The EP queue has application to storage systems, especially hard disks, and other data-center components such as compute servers, networking, and even hyperconverged infrastructure.
AU  - Harrison,PG
AU  - Patel,NM
AU  - Knottenbelt
DO  - 10.1145/2818726
PY  - 2016///
SN  - 2376-3647
TI  - Energy–performance trade-offs via the EP-queue
T2  - ACM Transactions on Modeling and Performance Evaluation of Computing Systems
UR  - http://dx.doi.org/10.1145/2818726
UR  - http://hdl.handle.net/10044/1/27703
VL  - 1
ER  -

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