> > Please try this and see how it compares with the vanilla v2. I think its
> > time for a v3 now and we shall be posting it soon after some more
> > testing and benchmarking.
>
> Is there any potential change between pre v3 and v3? I prefer working
> based on v3 so that everyone are on the same p
On Mon, May 20, 2019 at 10:04 PM Vineeth Pillai
wrote:
>
> > > The following patch improved my test cases.
> > > Welcome any comments.
> > >
> >
> > This is certainly better than violating the point of the core scheduler :)
> >
> > If I'm understanding this right what will happen in this case is i
> > The following patch improved my test cases.
> > Welcome any comments.
> >
>
> This is certainly better than violating the point of the core scheduler :)
>
> If I'm understanding this right what will happen in this case is instead
> of using the idle process selected by the sibling we do the cor
On Sat, May 18, 2019 at 11:37:56PM +0800 Aubrey Li wrote:
> On Wed, Apr 24, 2019 at 12:18 AM Vineeth Remanan Pillai
> wrote:
> >
> > From: Peter Zijlstra (Intel)
> >
> > Instead of only selecting a local task, select a task for all SMT
> > siblings for every reschedule on the core (irrespective w
On Wed, Apr 24, 2019 at 12:18 AM Vineeth Remanan Pillai
wrote:
>
> From: Peter Zijlstra (Intel)
>
> Instead of only selecting a local task, select a task for all SMT
> siblings for every reschedule on the core (irrespective which logical
> CPU does the reschedule).
>
> NOTE: there is still potent
On Tue, Apr 23, 2019 at 04:18:18PM +, Vineeth Remanan Pillai wrote:
> +// XXX fairness/fwd progress conditions
> +static struct task_struct *
> +pick_task(struct rq *rq, const struct sched_class *class, struct task_struct
> *max)
> +{
> + struct task_struct *class_pick, *cookie_pick;
> +
From: Peter Zijlstra (Intel)
Instead of only selecting a local task, select a task for all SMT
siblings for every reschedule on the core (irrespective which logical
CPU does the reschedule).
NOTE: there is still potential for siblings rivalry.
NOTE: this is far too complicated; but thus far I've
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