[dpdk-dev] [PATCH v3] event/sw: code refractor to reduce the fetch stall

[Van Haaren, Harry]

> From: Jerin Jacob [mailto:jerin.jacob at caviumnetworks.com]
> Sent: Thursday, April 5, 2018 9:53 AM
> To: Varghese, Vipin <vipin.varghese at intel.com>
> Cc: dev at dpdk.org; Van Haaren, Harry <harry.van.haaren at intel.com>
> Subject: Re: [PATCH v3] event/sw: code refractor to reduce the fetch stall
> 
> -----Original Message-----
> > Date: Thu, 5 Apr 2018 11:26:30 +0530
> > From: Vipin Varghese <vipin.varghese at intel.com>
> > To: dev at dpdk.org, harry.van.haaren at intel.com
> > CC: jerin.jacob at caviumnetworks.com, Vipin Varghese
> >  <vipin.varghese at intel.com>
> > Subject: [PATCH v3] event/sw: code refractor to reduce the fetch stall
> > X-Mailer: git-send-email 1.9.1
> >
> > With rearranging the code to prefetch the contents before
> > loop check increases performance from single and multistage
> > atomic pipeline.
> >
> > Signed-off-by: Vipin Varghese <vipin.varghese at intel.com>
> > Acked-by: Harry van Haaren <harry.van.haaren at intel.com>
> 
> Applied to dpdk-next-eventdev/master. Thanks.


Hi Jerin,

On further investigation into the patch, the performance gains seem to be quite workload dependent.

Hereby a request to drop this patch from the next-eventdev tree, so that
we can investigate further, and rework / refactor for a future release.

Regards, -Harry