Re: [Announce] [patch] Modular Scheduler Core and Completely Fair Scheduler [CFS]

Ingo Molnar
2007-04-17T09:36:32Z

* Peter Williams <pwil3058@bigpond.net.au> wrote:

> There's a lot of ugly code in the load balancer that is only there to
> overcome the side effects of SMT and dual core. A lot of it was put
> there by Intel employees trying to make load balancing more friendly
> to their systems. What I'm suggesting is that an N CPUs per runqueue
> is a better way of achieving that end. I may (of course) be wrong but
> I think that the idea deserves more consideration than you're willing
> to give it.

i actually implemented that some time ago and i'm afraid it was ugly as
hell and pretty fragile. Load-balancing gets simpler, but task picking
gets alot uglier.

Ingo