From: "Zhang, Qi Z" <qi.z.zhang@intel.com>
To: "Rong, Leyi" <leyi.rong@intel.com>
Cc: "Yigit, Ferruh" <ferruh.yigit@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>,
"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v2] doc: fix some statements for ice vector PMD
Date: Wed, 23 Dec 2020 09:57:17 +0000 [thread overview]
Message-ID: <7f8a6dca383f411c8975e55e79b2e1b7@intel.com> (raw)
In-Reply-To: <SN6PR11MB2621D8CD378E0561AA90E388ECC40@SN6PR11MB2621.namprd11.prod.outlook.com>
> -----Original Message-----
> From: Rong, Leyi <leyi.rong@intel.com>
> Sent: Thursday, December 17, 2020 10:13 AM
> To: Zhang, Qi Z <qi.z.zhang@intel.com>
> Cc: Yigit, Ferruh <ferruh.yigit@intel.com>; dev@dpdk.org; stable@dpdk.org
> Subject: RE: [PATCH v2] doc: fix some statements for ice vector PMD
>
>
> > -----Original Message-----
> > From: Zhang, Qi Z <qi.z.zhang@intel.com>
> > Sent: Wednesday, December 16, 2020 8:22 AM
> > To: Rong, Leyi <leyi.rong@intel.com>
> > Cc: Yigit, Ferruh <ferruh.yigit@intel.com>; dev@dpdk.org; Zhang, Qi Z
> > <qi.z.zhang@intel.com>; stable@dpdk.org
> > Subject: [PATCH v2] doc: fix some statements for ice vector PMD
> >
> > 1. Add descriptions for how to select avx512 datapath.
> > 2. Add explanation for "P" in ice.ini.
> >
> > Fixes: 7f85d5ebcfe1 ("net/ice: add AVX512 vector path")
> > Fixes: 271cc8c5028a ("doc: update ice features list")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
> > ---
> >
> > v2:
> > fix statement for force-max-simd-bitwidth which is an EAL argument but
> > not devarg.
> >
> > doc/guides/nics/ice.rst | 5 ++++-
> > 1 file changed, 4 insertions(+), 1 deletion(-)
> >
> > diff --git a/doc/guides/nics/ice.rst b/doc/guides/nics/ice.rst index
> > a0887f129f..2a4439a63a 100644
> > --- a/doc/guides/nics/ice.rst
> > +++ b/doc/guides/nics/ice.rst
> > @@ -211,9 +211,12 @@ are chosen based on 2 conditions.
> > - ``CPU``
> > On the X86 platform, the driver checks if the CPU supports AVX2.
> > If it's supported, AVX2 paths will be chosen. If not, SSE is chosen.
> > + If the CPU supports AVX512 and EAL argument
> > + ``force-max-simd-bitwidth`` is set to 512, AVX512 paths will be chosen.
> >
> > - ``Offload features``
> > - The supported HW offload features are described in the document
> ice_vec.ini.
> > + The supported HW offload features are described in the document
> > + ice.ini, A value "P" means the offload feature is not supported by vector
> path.
> > If any not supported features are used, ICE vector PMD is disabled and
> the
> > normal paths are chosen.
> >
> > --
> > 2.26.2
>
> Acked-by: Leyi Rong <leyi.rong@intel.com>
Applied to dpdk-next-net-intel.
Thanks
Qi
>
> Best Regards,
> Leyi Rong
next prev parent reply other threads:[~2020-12-23 9:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-16 0:21 [dpdk-dev] [PATCH v2] doc: fix some statements for ice vector PMD Qi Zhang
2020-12-17 2:13 ` Rong, Leyi
2020-12-23 9:57 ` Zhang, Qi Z [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-12-16 0:21 Qi Zhang
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