Re: [RFC patch 1/2] sched: dynamically adapt granularity with nr_running

Peter Zijlstra
2010-09-13T12:53:22Z

On Sun, 2010-09-12 at 16:37 -0400, Mathieu Desnoyers wrote:
> The whole point of my patch is not to have to do this latency vs performance
> tradeoff for low number of running threads. With your approach, lowering the
> granularity even when there are few threads running will very likely hurt
> performance, no ?

But you presented it as a latency patch, not a throughput patch. And I'm
not sure it will matter enough to offset the computational cost it
introduces.