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dc.contributor.author Kang, Ki Dong ko
dc.contributor.author Park, Hyungwon ko
dc.contributor.author Park, Gyeongseo ko
dc.contributor.author Kim, Daehoon ko
dc.date.accessioned 2021-01-29T07:28:27Z -
dc.date.available 2021-01-29T07:28:27Z -
dc.date.created 2021-01-14 -
dc.date.issued 2020-10-20 -
dc.identifier.citation IEEE International Conference on Computer Design, pp.377 - 380 -
dc.identifier.isbn 9781728197104 -
dc.identifier.issn 1063-6404 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/12893 -
dc.description.abstract In this paper, we first analyze the effects of interrupt management on response latency of the latency-critical application and the efficiency of current dynamic power management governor which determines Voltage and Frequency States (V/F states) based on CPU utilization. We also demonstrate that interrupt management provides a governor an opportunity to decrease the V/F state without performance degradation. Next, we propose I-state that adjusts the interrupt rate based on the V/F state determined by the governor. When a core is highly utilized with a high V/F state, I-state improves response latency by decreasing interrupt rate, moderating the load on the CPU. I-state also improves energy-efficiency by making the governor decrease the V/F state more often. When a core is not highly utilized while operating at low V/F states, I-state improves response latency by increasing interrupt rate, which can notify the processor of packet arrivals faster so that the CPU processes the packets quickly. Our experimental results show that I-state improves 95th percentile latency by up to 15.9x while reducing energy consumption by up to 17.6%. © 2020 IEEE. -
dc.language English -
dc.publisher Institute of Electrical and Electronics Engineers Inc. -
dc.title Improving the Efficiency of Power Management via Dynamic Interrupt Management -
dc.type Conference -
dc.identifier.doi 10.1109/ICCD50377.2020.00069 -
dc.identifier.scopusid 2-s2.0-85098851635 -
dc.type.local Article(Overseas) -
dc.type.rims CONF -
dc.description.journalClass 1 -
dc.contributor.localauthor Kim, Daehoon -
dc.identifier.citationStartPage 377 -
dc.identifier.citationEndPage 380 -
dc.identifier.citationTitle IEEE International Conference on Computer Design -
dc.identifier.conferencecountry US -
dc.identifier.conferencelocation Hartford -

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