[dpdk-dev] [PATCH] Improve the shaper accuracy for large packets

[Dumitrescu, Cristian]

> -----Original Message-----
> From: Yigit, Ferruh
> Sent: Friday, April 5, 2019 4:54 PM
> To: Dumitrescu, Cristian <cristian.dumitrescu at intel.com>
> Cc: alanrobertsonatt at gmail.com; dev at dpdk.org; Alan Robertson
> <ar771e at att.com>; Alan Robertson <alan.robertson at att.com>; Thomas
> Monjalon <thomas at monjalon.net>
> Subject: Re: [dpdk-dev] [PATCH] Improve the shaper accuracy for large
> packets
> 
> On 2/9/2018 10:38 AM, alanrobertsonatt at gmail.com wrote:
> > From: Alan Robertson <ar771e at att.com>
> >
> > There were 2 issues, the first was time could be lost whilst updating
> > the traffic-class period, the second was a frame could be delayed if
> > not enough tokens were available for the full frame.  By allowing the
> > shaper to borrow credit from the next period the throughput is improved.
> >
> > Signed-off-by: Alan Robertson <alan.robertson at att.com>
> 
> 
> Hi Cristian,
> 
> Another 'librte_sched' patch waiting for a review for almost a year now, do
> you
> know status of this patch?
> 
> Thanks,
> ferruh

As previously announced, we are planning to do some improvements on this part of the code [1] and we are planning improve this behavior in a way that is less intrusive and has slightly better performance (due to no branches).

Regards,
Cristian

[1] https://mails.dpdk.org/archives/dev/2018-November/120035.html