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Wednesday, March 25 • 1:40pm - 2:30pm
Doing big.LITTLE right: little and Big Obstacles - Vitaly Wool & Vlad Rezki, Softprise Consulting OU

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The ARM's big.LITTLE technology implements a smart idea of combining high-performance cores are with low power ones to deliver peak-performance capacity at a lower average power cost. However, as big.LITTLE effectively is an asymmetrical MP, mainline SMP-oriented kernel "fair" scheduler can't take advantage of it. This talk will show what should be changed in the mainline scheduler to fit big.LITTLE architecture.

Multiple attempts were carried out to come up with the improvements implementing these changes, with the most notable coming from Codeaurora and Linaro/ARM. This talk will explain these implementations specifying their differences and similarities, and provide power and performance comparisons for both.

Speakers
VR

Vlad Rezki

Senior Embedded Software Engineer at Softprise Consulting OU. Spent more than 8 years working in embedded software area with focus on telecommunication, automotive, automatic control systems and mobile. Earned M.Sc. as a Software Engineer in Belarus in 2009, worked first as a Linux team lead with various device drivers and kernel optimizations for embedded, then took part in maturing the Wi-Fi protocol stack in Linux. Moved to Sweden in 2011... Read More →
VW

Vitaly Wool

Sr. Developer, Softprise Consulting OU
Vitaly Wool, Senior Developer and just Linux enthusiast, graduated M.Sc. in Computer Science from St. Petersburg State Univ. in 2002, worked for starters with real-time OSes as VxWorks and RTEMS and mostly for PowerPC platforms. Vitaly moved to Moscow in 2003 where he started to work on embedded Linux projects for different platforms and architectures and for a variety of companies including MontaVista and Mentor Graphics.. Now he works as a... Read More →


Wednesday March 25, 2015 1:40pm - 2:30pm
Ballroom Salon 3

Attendees (11)