On 9/7/18 5:34 AM, Jirka Hladky wrote:
> We would also be more than happy to test the new patches for the
> performance - please let us know if you are interested. We have a
> pool of 1 NUMA up to 8 NUMA boxes for that, both AMD and Intel,
> covering different CPU generations from Sandy Bridge ti
Resending in the plain text mode.
> I'm travelling at the moment but when I get back, I'll see what's in the
> tip tree with respect to Srikar's patches and then rebase the fast-migration
> patches on top and reconfirm they still behave as expected. Assuming
> they do, I'll resend them.
Sounds g
On Fri, Sep 14, 2018 at 04:50:20PM +0200, Jirka Hladky wrote:
> Hi Peter and Srikar,
>
> > I have bounced the 5 patches to you, (one of the 6 has not been applied by
> > Peter) so I have skipped that.
> > They can also be fetched from
> > http://lore.kernel.org/lkml/1533276841-16341-1-git-send-ema
Hi Peter and Srikar,
> I have bounced the 5 patches to you, (one of the 6 has not been applied by
> Peter) so I have skipped that.
> They can also be fetched from
> http://lore.kernel.org/lkml/1533276841-16341-1-git-send-email-sri...@linux.vnet.ibm.com
I'm sorry for the delay, we have finally the
Hi Peter and Srikar,
thanks a lot for the information and for the patches to test!
> I have bounced the 5 patches to you, (one of the 6 has not been applied by
> Peter) so I have skipped that.
> They can also be fetched from
> http://lore.kernel.org/lkml/1533276841-16341-1-git-send-email-sri...@l
On Fri, Sep 07, 2018 at 07:14:20PM +0530, Srikar Dronamraju wrote:
> * Peter Zijlstra [2018-09-07 15:19:23]:
>
> > On Fri, Sep 07, 2018 at 06:26:49PM +0530, Srikar Dronamraju wrote:
> >
> > > Can you please pick
> > >
> > >
> > > 1. 69bb3230297e881c797bbc4b3dbf73514078bc9d sched/numa: Stop mul
* Peter Zijlstra [2018-09-07 15:19:23]:
> On Fri, Sep 07, 2018 at 06:26:49PM +0530, Srikar Dronamraju wrote:
>
> > Can you please pick
> >
> >
> > 1. 69bb3230297e881c797bbc4b3dbf73514078bc9d sched/numa: Stop multiple tasks
> > from moving to the cpu at the same time
> > 2. dc62cfdac5e5b7a61cd8
On Fri, Sep 07, 2018 at 06:26:49PM +0530, Srikar Dronamraju wrote:
> Can you please pick
>
>
> 1. 69bb3230297e881c797bbc4b3dbf73514078bc9d sched/numa: Stop multiple tasks
> from moving to the cpu at the same time
> 2. dc62cfdac5e5b7a61cd8a2bd4190e80b9bb408fc sched/numa: Avoid task migration
> fo
* Jirka Hladky [2018-09-07 11:34:49]:
Hi Jirka,
>
> We have detected a significant performance drop (20% and more) with
> 4.19rc1 relatively to 4.18 vanilla. We see the regression on different
> 2 NUMA and 4 NUMA boxes with pretty much all the benchmarks we use -
> NAS, Stream, SPECjbb2005, SPE
Hi Srikar,
I work at Red Hat in the Kernel Performance Team. I would like to ask
you for help.
We have detected a significant performance drop (20% and more) with
4.19rc1 relatively to 4.18 vanilla. We see the regression on different
2 NUMA and 4 NUMA boxes with pretty much all the benchmarks we
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