From: "Morten Brørup" <mb@smartsharesystems.com>
To: "Mattias Rönnblom" <hofors@lysator.liu.se>,
"Jasvinder Singh" <jasvinder.singh@intel.com>
Cc: <dev@dpdk.org>, "Olivier Matz" <olivier.matz@6wind.com>,
"Maxime Coquelin" <maxime.coquelin@redhat.com>,
"Chenbo Xia" <chenbo.xia@intel.com>
Subject: RE: Vector optimized IP checksum
Date: Thu, 16 Jun 2022 16:11:25 +0200 [thread overview]
Message-ID: <98CBD80474FA8B44BF855DF32C47DC35D87134@smartserver.smartshare.dk> (raw)
In-Reply-To: <4f8a4f31-3c22-9cde-cb9a-96f628efbdf9@lysator.liu.se>
> From: Mattias Rönnblom [mailto:hofors@lysator.liu.se]
> Sent: Thursday, 16 June 2022 15.46
>
> On 2022-06-16 09:07, Morten Brørup wrote:
> > Hi Jasvinder,
> >
> > As the Packet CRC maintainer, have you considered adding vector
> > optimized variants of the rte_raw_cksum() function?
> >
>
> The current implementation is vectorized by the compiler.
>
> In my experience, hand-crafting it using SIMD intrinsics doesn't
> improve
> the performance enough to warrant the trouble.
>
That is great, Mattias!
That definitely puts my question to rest. :-)
prev parent reply other threads:[~2022-06-16 14:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-16 7:07 Morten Brørup
2022-06-16 13:46 ` Mattias Rönnblom
2022-06-16 14:11 ` Morten Brørup [this message]
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