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After BFS, Now Comes The BLD Linux Scheduler

Linux Kernel

Published on 12 February 2012 02:32 PM EST
Written by Michael Larabel in Linux Kernel
6 Comments

Adding to the already existing Linux schedulers, including the out-of-tree Brain Fuck Scheduler (BFS), is now a proposal to integrate a new scheduler... The Barbershop Load Distribution scheduler.

Rakib Mullick announced the Barbershop Load Distribution (BLD) algorithm scheduler to the Linux kernel mailing list on Sunday.

The Barbershop Load Distribution method is described as "it only tries to distribute the load properly by tracking lowest and highest loaded rq of the system. This technique never tries to balance the system load at idle context, which is done by the current scheduler. The motivation behind this technique is to distribute load properly amonst the CPUs in a way as if load balancer isn't needed and to make load distribution easier."

Additional details on this experimental BLD Linux kernel scheduler can be found in this LKML message.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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