nanog mailing list archives

Re: DPDK and energy efficiency


From: Douglas Fischer <fischerdouglas () gmail com>
Date: Mon, 22 Feb 2021 08:33:35 -0300

I'm very happy to see interest in DPDK and power consumption.

But IMHO, the questions do not cover the actual reality of DPDK.
That característic of "100% CPU" depends on several aspects, like:
 - How old are the hardware on DPDK.
 - What type of DPDK Instructions are made(Very Dynamic as Statefull CGNAT,
ou Static ACLs?)
 - Using or not the measurements of DPDK Input/Drop/Fowarding.
 - CPU Affinity done according to the demand of traffic
 - SR-IOV (sharing resources) on DPDK.

The way I saw, the questions induce the public to conclude that DPDK ALWAYS
has 100% CPU usage, which is not true.


Em seg., 22 de fev. de 2021 às 04:30, Etienne-Victor Depasquale <
edepa () ieee org> escreveu:

Hello folks,

I've just followed a thread regarding use of CGNAT and noted a suggestion
(regarding DANOS) that includes use of DPDK.

As I'm interested in the breadth of adoption of DPDK, and as I'm a
researcher into energy and power efficiency, I'd love to hear your feedback
on your use of power consumption control by DPDK.

I've drawn up a bare-bones, 2-question survey at this link:

https://www.surveymonkey.com/r/J886DPY.

Responses have been set to anonymous.

Cheers,

Etienne

--
Ing. Etienne-Victor Depasquale
Assistant Lecturer
Department of Communications & Computer Engineering
Faculty of Information & Communication Technology
University of Malta
Web. https://www.um.edu.mt/profile/etiennedepasquale



-- 
Douglas Fernando Fischer
Engº de Controle e Automação

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