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SubjectRe: [patch] sched: add locking when update the task_group's cfs_rq[] array.
Peter Zijlstra wrote:

> Will it scale, half-way, I'd say. It races a little, but should
> converge. The biggest issue is that we're running with 10 bit fixed
> point math, and on large cpu machines you get into granularity problems.

Is there any way to get higher resolution math on 64-bit machines? (I'm
assuming that most larger SMP boxes will be 64-bit capable.)

Chris


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