Messages in this thread | | | Date | Wed, 19 Nov 2008 15:50:45 -0600 | From | "Chris Friesen" <> | Subject | Re: [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
| |