Re: [PATCH 00/30] PREEMPT_AUTO: support lazy rescheduling

[Raghavendra K T]

On 2/21/2024 10:45 PM, Thomas Gleixner wrote:
> On Wed, Feb 21 2024 at 17:53, Raghavendra K T wrote:
> > Configuration tested.
> > a) Base kernel (6.7),
>
> Which scheduling model is the baseline using?

baseline is also PREEMPT_DYNAMIC with voluntary preemption

> > b) patched with PREEMPT_AUTO voluntary preemption.
> > c) patched with PREEMPT_DYNAMIC voluntary preemption.
> >
> > Workloads I tested and their %gain,
> >                      case b                   case c
> > NAS                +2.7                    +1.9
> > Hashjoin,          +0			     +0
> > XSBench	     +1.7		     +0
> > Graph500,  	     -6 		     +0
>
> The Graph500 stands out. Needs some analysis.

Sure. Will do more detailed analysis and comeback on this.

Thanks
- Raghu