From: Thomas Monjalon <thomas@monjalon.net>
To: Sivaprasad Tummala <Sivaprasad.Tummala@amd.com>
Cc: bruce.richardson@intel.com, konstantin.v.ananyev@yandex.ru, dev@dpdk.org
Subject: Re: [PATCH] config/x86: config support for AMD EPYC processors
Date: Sun, 12 Nov 2023 14:48:54 +0100 [thread overview]
Message-ID: <2907401.e9J7NaK4W3@thomas> (raw)
In-Reply-To: <20230925151027.558546-1-sivaprasad.tummala@amd.com>
25/09/2023 17:10, Sivaprasad Tummala:
> 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>
> ---
> +epyc_zen_cores = {
> + '__znver4__':512,
> + '__znver3__':256,
> + '__znver2__':256,
> + '__znver1__':128
> + }
> +
> +if get_option('platform') == 'native'
> + foreach m:epyc_zen_cores.keys()
> + if cc.get_define(m, args: machine_args) != ''
> + dpdk_conf.set('RTE_MAX_LCORE', epyc_zen_cores[m])
> + break
> + endif
> + endforeach
> +endif
Acked-by: Konstantin Ananyev <konstantin.ananyev@huawei.com>
Acked-by: Morten Brørup <mb@smartsharesystems.com>
Agreed in techboard:
https://mails.dpdk.org/archives/dev/2023-October/279672.html)
Applied, thanks.
next prev parent reply other threads:[~2023-11-12 13:49 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
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 [this message]
2023-12-20 7:10 Sivaprasad Tummala
2023-12-20 7:27 ` Morten Brørup
2023-12-20 9:22 ` Tummala, Sivaprasad
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