From: "Morten Brørup" <mb@smartsharesystems.com>
To: "Olivier Matz" <olivier.matz@6wind.com>,
"Bruce Richardson" <bruce.richardson@intel.com>
Cc: dev@dpdk.org
Subject: Re: mbuf changes
Date: Mon, 31 Oct 2016 17:05:55 +0100 [thread overview]
Message-ID: <98CBD80474FA8B44BF855DF32C47DC359EA8F3@smartserver.smartshare.dk> (raw)
In-Reply-To: <4427b23b-e9c0-4e43-9c28-fb7e56da745c@6wind.com>
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Olivier Matz
> Sent: Tuesday, October 25, 2016 2:49 PM
>
> We should keep in mind that today we have the seqn field but it is not
> used by any PMD. In case it is implemented, would it be a per-queue
> sequence number? Is it useful from an application view?
>
> This field is only used by the librte_reorder library, and in my
> opinion, we should consider moving it in the second cache line since it
> is not filled by the PMD.
+1 because it is not filled by the NIC HW or PMD. If our argument is "better performance", I would prefer having the generic 64 bit m->userdata in cacheline0 than m->seqn.
next prev parent reply other threads:[~2016-10-31 16:05 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-24 15:49 mbuf changes Morten Brørup
2016-10-24 16:11 ` Wiles, Keith
2016-10-24 16:25 ` Bruce Richardson
2016-10-24 21:47 ` Morten Brørup
2016-10-25 8:53 ` Bruce Richardson
2016-10-25 10:02 ` Ananyev, Konstantin
2016-10-25 10:22 ` Morten Brørup
2016-10-25 13:00 ` Olivier Matz
2016-10-25 13:04 ` Ramia, Kannan Babu
2016-10-25 13:24 ` Thomas Monjalon
2016-10-25 14:32 ` Ramia, Kannan Babu
2016-10-25 14:54 ` Thomas Monjalon
2016-10-25 13:15 ` Bruce Richardson
2016-10-25 13:20 ` Thomas Monjalon
2016-10-25 9:39 ` Adrien Mazarguil
2016-10-25 10:11 ` Morten Brørup
2016-10-25 11:04 ` Adrien Mazarguil
2016-10-25 11:13 ` Bruce Richardson
2016-10-25 12:16 ` Morten Brørup
2016-10-25 12:20 ` Bruce Richardson
2016-10-25 12:33 ` Morten Brørup
2016-10-25 12:45 ` Bruce Richardson
2016-10-25 12:48 ` Olivier Matz
2016-10-25 13:13 ` Morten Brørup
2016-10-25 13:38 ` Ananyev, Konstantin
2016-10-25 14:25 ` Morten Brørup
2016-10-25 14:45 ` Olivier Matz
2016-10-28 13:34 ` Pattan, Reshma
2016-10-28 14:11 ` Morten Brørup
2016-10-28 15:25 ` Pattan, Reshma
2016-10-28 16:50 ` Adrien Mazarguil
2016-10-28 17:00 ` Richardson, Bruce
2016-10-28 20:27 ` Morten Brørup
2016-10-31 10:55 ` Morten Brørup
2016-10-31 16:05 ` Morten Brørup [this message]
2016-10-25 13:48 ` Adrien Mazarguil
2016-10-25 13:58 ` Ananyev, Konstantin
2016-10-25 11:54 ` Shreyansh Jain
2016-10-25 12:05 ` Bruce Richardson
2016-10-26 8:28 ` Alejandro Lucero
2016-10-26 9:01 ` Morten Brørup
2016-11-09 11:42 ` Alejandro Lucero
2016-11-10 9:19 ` Fwd: " Alejandro Lucero
2016-10-25 12:49 ` Morten Brørup
2016-10-25 13:14 ` Olivier Matz
2016-10-25 13:18 ` Morten Brørup
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