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Friday, October 12 • 3:15pm - 3:55pm
Rethinking the Multicore-aware Scheduler on Embedded Linux - Gap-Joo Na, ETRI

Nowadays the multicore processors are becoming an integral part of embedded devices as well as enterprise system, and the number of cores is considerably increased. Thanks to multicores, we can make the best use of personal computing devices instead of desktop PC.

On the other hand, since the Completely Fair Scheduler(CFS) was introduced in kernel 2.6.23, due to its remarkable performance, we've paid little attention to improving the scheduler.

In this presentation, we will show why we rethink the multicore linux scheduler on embedded linux by adopting the previous research, called distributed weighted Round-Robin(DWRR) algorithm which is designed to keep up with scalable fairness on multicore environment.



Gap-Joo Na

Senior Researcher, ETRI
Gap-Joo Na received the MS and PhD degrees in computer engineering from Sungkyunkwan University, Korea, in 2006 and 2011. Currently he is a senior researcher at Electronics and Telecommunications Research Institute (ETRI), Korea. His research area is embedded software platforms using Linux and his research interest include flash-based database technology and flash file system.  

Friday October 12, 2012 3:15pm - 3:55pm
Grand Ballroom B JW Marriott Hotel