Re: [RFC 00/60] Coscheduling for Linux

From: Rik van Riel
Date: Tue Sep 18 2018 - 10:40:30 EST


On Fri, 2018-09-14 at 18:25 +0200, Jan H. SchÃnherr wrote:
> On 09/14/2018 01:12 PM, Peter Zijlstra wrote:
> > On Fri, Sep 07, 2018 at 11:39:47PM +0200, Jan H. SchÃnherr wrote:
> > >
> > > B) Why would I want this?
> > > In the L1TF context, it prevents other applications from
> > > loading
> > > additional data into the L1 cache, while one application tries
> > > to leak
> > > data.
> >
> > That is the whole and only reason you did this;
>
> It really isn't. But as your mind seems made up, I'm not going to
> bother
> to argue.

What are the other use cases, and what kind of performance
numbers do you have to show examples of workloads where
coscheduling provides a performance benefit?

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