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From: Florian Westphal <fw@strlen.de>
To: Stefano Brivio <sbrivio@redhat.com>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>, netfilter-devel@vger.kernel.org
Subject: Re: [PATCH nf-next 5/5] nft_set_pipapo: Introduce AVX2-based lookup implementation
Date: Sun, 23 Feb 2020 23:16:09 +0100	[thread overview]
Message-ID: <20200223221609.GY19559@breakpoint.cc> (raw)
In-Reply-To: <02877a1cf5364db8f60a29a9a6aad705dea22dbd.1582488826.git.sbrivio@redhat.com>

Stefano Brivio <sbrivio@redhat.com> wrote:
> If the AVX2 set is available, we can exploit the repetitive
> characteristic of this algorithm to provide a fast, vectorised
> version by using 256-bit wide AVX2 operations for bucket loads and
> bitwise intersections.

Looks great, this needs a small rebase on top of nf-next now that
the dynamic set registration is gone.


      reply	other threads:[~2020-02-23 22:16 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-23 21:23 [PATCH nf-next 0/5] nft_set_pipapo: Performance improvements: Season 1 Stefano Brivio
2020-02-23 21:23 ` [PATCH nf-next 1/5] nft_set_pipapo: Generalise group size for buckets Stefano Brivio
2020-02-23 21:23 ` [PATCH nf-next 2/5] nft_set_pipapo: Add support for 8-bit lookup groups and dynamic switch Stefano Brivio
2020-02-23 21:23 ` [PATCH nf-next 3/5] nft_set_pipapo: Prepare for vectorised implementation: alignment Stefano Brivio
2020-02-23 22:14   ` Florian Westphal
2020-02-23 23:04     ` Stefano Brivio
2020-02-23 23:15       ` Florian Westphal
2020-03-05 20:35     ` Stefano Brivio
2020-02-23 21:23 ` [PATCH nf-next 4/5] nft_set_pipapo: Prepare for vectorised implementation: helpers Stefano Brivio
2020-02-23 21:23 ` [PATCH nf-next 5/5] nft_set_pipapo: Introduce AVX2-based lookup implementation Stefano Brivio
2020-02-23 22:16   ` Florian Westphal [this message]

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