On 10/17/2023 10:45 AM, Kevin Traynor wrote: > 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? >
Hi Kevin, I confirmed with Siva that both me and Siva will join the meeting. Thanks, ferruh > thanks, > Kevin. > >> Thanks & Regards, >> Sivaprasad >> >>> -----Original Message----- >>> From: Tummala, Sivaprasad <sivaprasad.tumm...@amd.com> >>> Sent: Monday, October 16, 2023 10:44 AM >>> To: David Marchand <david.march...@redhat.com> >>> Cc: bruce.richard...@intel.com; konstantin.v.anan...@yandex.ru; >>> dev@dpdk.org; >>> dpdk-techboard <techbo...@dpdk.org>; Thomas Monjalon >>> <tho...@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.march...@redhat.com> >>>> Sent: Friday, October 6, 2023 1:21 PM >>>> To: Tummala, Sivaprasad <sivaprasad.tumm...@amd.com> >>>> Cc: bruce.richard...@intel.com; konstantin.v.anan...@yandex.ru; >>>> dev@dpdk.org; dpdk-techboard <techbo...@dpdk.org>; Thomas Monjalon >>>> <tho...@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.tumm...@amd.com> wrote: >>>>> >>>>> From: Sivaprasad Tummala <sivaprasad.tumm...@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.tumm...@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 >> >
