From: "Liu, Yong" <yong.liu@intel.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: "Richardson, Bruce" <bruce.richardson@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] build: enable packet data prefetch
Date: Wed, 23 Sep 2020 02:00:20 +0000 [thread overview]
Message-ID: <b3637be8a4f14ea1ba5df433aa2cae78@intel.com> (raw)
In-Reply-To: <20200922071151.2bd35352@hermes.lan>
> -----Original Message-----
> From: Stephen Hemminger <stephen@networkplumber.org>
> Sent: Tuesday, September 22, 2020 10:12 PM
> To: Liu, Yong <yong.liu@intel.com>
> Cc: Richardson, Bruce <bruce.richardson@intel.com>; dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH] build: enable packet data prefetch
>
> On Tue, 22 Sep 2020 16:21:35 +0800
> Marvin Liu <yong.liu@intel.com> wrote:
>
> > Data prefetch instruction can preload data into cpu’s hierarchical
> > cache before data access. Virtualized data paths like virtio utilized
> > this feature for acceleration. Since most modern cpus have support
> > prefetch function, we can enable packet data prefetch as default.
> >
> > Signed-off-by: Marvin Liu <yong.liu@intel.com>
> >
>
> With meson, the project has been using rte_config.h for this.
Thanks a lot, will send v2 for the change.
Regards,
Marvin
next prev parent reply other threads:[~2020-09-23 2:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-22 8:21 Marvin Liu
2020-09-22 14:11 ` Stephen Hemminger
2020-09-23 2:00 ` Liu, Yong [this message]
2020-09-23 1:51 ` [dpdk-dev] [PATCH v2] config: " Marvin Liu
2020-10-14 22:02 ` Thomas Monjalon
2020-10-15 1:21 ` Liu, Yong
2020-10-15 4:09 ` Honnappa Nagarahalli
2020-10-15 8:23 ` Liu, Yong
2020-10-15 9:21 ` Thomas Monjalon
2020-10-15 14:38 ` Honnappa Nagarahalli
2020-11-03 1:57 ` [dpdk-dev] [PATCH v3] drivers/net: enable packet data prefetch on x86 Marvin Liu
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