[ovs-discuss] Tripled flow setup performance

Reid Price rprice at nicira.com
Thu Dec 13 21:29:55 UTC 2012


For discussions, try google (ovs flow governor) or looking at the
commit history for the files Ben just pointed out.

On Thu, Dec 13, 2012 at 11:18 AM, Ben Pfaff <blp at nicira.com> wrote:
>
> ofproto/ofproto-dpif-governor.c
> ofproto/ofproto-dpif-governor.h
>
> On Thu, Dec 13, 2012 at 10:15:12AM -0800, Masoud Moshref Javadi wrote:
> > Hi Justin,
> >
> > Can you give me a hint for discussions or reference in the code
> > about this flow governor.
> >
> > Masoud Moshref Javadi
> > Computer Engineering PhD Student
> > Ming Hsieh Department of Electrical Engineering
> > University of Southern California
> >
> > On 12/13/2012 10:11 AM, Justin Pettit wrote:
> > >General performance improvements were made (e.g., not allocating memory on the fast path), but the biggest improvement was the flow governor for handling short-lived flows.
> > >
> > >--Justin
> > >
> > >
> > >On Dec 13, 2012, at 10:00 AM, Masoud Moshref Javadi <moshrefj at usc.edu> wrote:
> > >
> > >>I want to know where has been changed to triple the performance?
> > >>I checked the classifier.c file and it seems that the general algorithm (going linearly through hashsets created by wildcards) is the same as before.
> > >>
> > >>--
> > >>Masoud Moshref Javadi
> > >>Computer Engineering PhD Student
> > >>Ming Hsieh Department of Electrical Engineering
> > >>University of Southern California
> > >>
> > >>_______________________________________________
> > >>discuss mailing list
> > >>discuss at openvswitch.org
> > >>http://openvswitch.org/mailman/listinfo/discuss
> >
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