From: Kevin Traynor <ktraynor@redhat.com>
To: "Tummala, Sivaprasad" <Sivaprasad.Tummala@amd.com>,
David Marchand <david.marchand@redhat.com>,
dpdk-techboard <techboard@dpdk.org>,
Ferruh Yigit <ferruh.yigit@amd.com>
Cc: "bruce.richardson@intel.com" <bruce.richardson@intel.com>,
"konstantin.v.ananyev@yandex.ru" <konstantin.v.ananyev@yandex.ru>,
"dev@dpdk.org" <dev@dpdk.org>,
Thomas Monjalon <thomas@monjalon.net>
Subject: Re: [PATCH] config/x86: config support for AMD EPYC processors
Date: Tue, 17 Oct 2023 10:45:00 +0100 [thread overview]
Message-ID: <b3797641-58a3-013d-9067-a4328776eba5@redhat.com> (raw)
In-Reply-To: <DM3PR12MB92863EAFEE91B0854B65B5A286D7A@DM3PR12MB9286.namprd12.prod.outlook.com>
On 16/10/2023 06:20, Tummala, Sivaprasad wrote:
> [AMD Official Use Only - General]
>
> Hi DPDK Techboard,
>
> Request to add this topic for discussion in the next techboard meeting.
>
Hi Sivaprasad,
Are you or a representative (Ferruh?) able to attend the techboard
meeting (3pm UTC Wednesday) to discuss this item?
thanks,
Kevin.
> Thanks & Regards,
> Sivaprasad
>
>> -----Original Message-----
>> From: Tummala, Sivaprasad <Sivaprasad.Tummala@amd.com>
>> Sent: Monday, October 16, 2023 10:44 AM
>> To: David Marchand <david.marchand@redhat.com>
>> Cc: bruce.richardson@intel.com; konstantin.v.ananyev@yandex.ru; dev@dpdk.org;
>> dpdk-techboard <techboard@dpdk.org>; Thomas Monjalon
>> <thomas@monjalon.net>
>> Subject: RE: [PATCH] config/x86: config support for AMD EPYC processors
>>
>> [AMD Official Use Only - General]
>>
>> Caution: This message originated from an External Source. Use proper caution
>> when opening attachments, clicking links, or responding.
>>
>>
>> [AMD Official Use Only - General]
>>
>>> -----Original Message-----
>>> From: David Marchand <david.marchand@redhat.com>
>>> Sent: Friday, October 6, 2023 1:21 PM
>>> To: Tummala, Sivaprasad <Sivaprasad.Tummala@amd.com>
>>> Cc: bruce.richardson@intel.com; konstantin.v.ananyev@yandex.ru;
>>> dev@dpdk.org; dpdk-techboard <techboard@dpdk.org>; Thomas Monjalon
>>> <thomas@monjalon.net>
>>> Subject: Re: [PATCH] config/x86: config support for AMD EPYC
>>> processors
>>>
>>> Caution: This message originated from an External Source. Use proper
>>> caution when opening attachments, clicking links, or responding.
>>>
>>>
>>> On Mon, Sep 25, 2023 at 5:11 PM Sivaprasad Tummala
>>> <sivaprasad.tummala@amd.com> wrote:
>>>>
>>>> From: Sivaprasad Tummala <Sivaprasad.Tummala@amd.com>
>>>>
>>>> By default, max lcores are limited to 128 for x86 platforms.
>>>> On AMD EPYC processors, this limit needs to be increased to leverage
>>>> all the cores.
>>>>
>>>> The patch adjusts the limit specifically for native compilation on
>>>> AMD EPYC CPUs.
>>>>
>>>> Signed-off-by: Sivaprasad Tummala <Sivaprasad.Tummala@amd.com>
>>>
>>> This patch is a revamp of
>>>
>> http://inbox.dpdk.org/dev/BY5PR12MB3681C3FC6676BC03F0B42CCC96789@BY5PR
>>> 12MB3681.namprd12.prod.outlook.com/
>>> for which a discussion at techboard is supposed to have taken place.
>>> But I didn't find a trace of it.
>>>
>>> One option that had been discussed in the previous thread was to
>>> increase the max number of cores for x86.
>>> I am unclear if this option has been properly evaluated/debatted.
>>>
>>> Can the topic be brought again at techboard?
>>
>> Hi David,
>>
>> The patch is intended to detect AMD platforms and enable all CPU cores by default
>> on native builds.
>>
>> As an optimization for memory footprint, users can override this by specifying "-
>> Dmax_lcores" option based on DPDK lcores required for their usecases.
>>
>> Sure, will request to add this topic for discussion at techboard.
>>>
>>> Thanks.
>>>
>>> --
>>> David Marchand
>
next prev parent reply other threads:[~2023-10-17 9:45 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-25 15:10 Sivaprasad Tummala
2023-10-06 7:50 ` David Marchand
2023-10-16 5:14 ` Tummala, Sivaprasad
2023-10-16 5:20 ` Tummala, Sivaprasad
2023-10-17 9:45 ` Kevin Traynor [this message]
2023-10-17 10:27 ` Morten Brørup
2023-11-06 21:05 ` Thomas Monjalon
2023-11-06 22:17 ` Morten Brørup
2023-11-07 13:13 ` Konstantin Ananyev
2023-11-07 13:30 ` Morten Brørup
2023-11-07 14:32 ` Konstantin Ananyev
2023-11-08 12:24 ` Tummala, Sivaprasad
2023-11-08 13:06 ` Morten Brørup
2023-11-09 16:43 ` Konstantin Ananyev
2023-10-17 10:58 ` Ferruh Yigit
2023-11-07 12:59 ` Konstantin Ananyev
2023-11-12 13:48 ` Thomas Monjalon
2023-12-20 7:10 Sivaprasad Tummala
2023-12-20 7:27 ` Morten Brørup
2023-12-20 9:22 ` Tummala, Sivaprasad
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=b3797641-58a3-013d-9067-a4328776eba5@redhat.com \
--to=ktraynor@redhat.com \
--cc=Sivaprasad.Tummala@amd.com \
--cc=bruce.richardson@intel.com \
--cc=david.marchand@redhat.com \
--cc=dev@dpdk.org \
--cc=ferruh.yigit@amd.com \
--cc=konstantin.v.ananyev@yandex.ru \
--cc=techboard@dpdk.org \
--cc=thomas@monjalon.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).