Messages in this thread | | | Subject | Re: [patch v7 0/21] sched: power aware scheduling | From | Mike Galbraith <> | Date | Tue, 30 Apr 2013 11:49:40 +0200 |
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On Tue, 2013-04-30 at 11:35 +0200, Mike Galbraith wrote: > On Tue, 2013-04-30 at 10:41 +0200, Ingo Molnar wrote:
> > Which are the workloads where 'powersaving' mode hurts workload > > performance measurably? > > Well, it'll lose throughput any time there's parallel execution > potential but it's serialized instead.. using average will inevitably > stack tasks sometimes, but that's its goal. Hackbench shows it.
(but that consolidation can be a winner too, and I bet a nickle it would be for a socket sized pgbench run)
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