From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C5C802E36F0; Tue, 5 Aug 2025 22:46:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754433966; cv=none; b=clZ0n77B5gmiWRNUYYo4UcB0y8yA0XG0MsSCebSOK1RHCLCPqKoVnfLJXtxSs4KIvF77bvUDNFZXlNPZTK7t+jIf5VXbpnjFT86vI27q6MemDdzXUWF3q0g6T+pw425fZ2q02K4AOsncWoG/AyQ8/niT0s/TuPDLfD7ExLYyHNw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754433966; c=relaxed/simple; bh=NqAn7xkr0Rfx37RWYqFvxyrYUe9MsAbnMN8SOZ0XZ8A=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=gvtko5+WrWzti0BGVQu3wa4iAiacnckZKay7wtbjVzm9pk/mfvGH54egdtoweGAuXqfJ6Oatczm210JKd9V8Upum527H+LTCsY62UGU3BS16p8RPVABWbxfr0yDxG3bcxb13zpFM0MXGJaS65OkvP0G7POU/6uWMBm/imJW5oLE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=f3ciXNWT; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="f3ciXNWT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A4400C4CEF0; Tue, 5 Aug 2025 22:46:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754433966; bh=NqAn7xkr0Rfx37RWYqFvxyrYUe9MsAbnMN8SOZ0XZ8A=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=f3ciXNWTApQibSjgZTVBIQ1cfxquSZMI/00XCX77N9oGij/RpxiPKAUV4q3Brivk3 VahaglYpe02/YuF/x1S9+U9CKzsJKDnd0e099GnXRys/MKRtq5QwNcGJrQ+OGkqS3Q nwSxEwzT4mkMC9oahFyy8cmWtOY+QeZQtuaOohxHzwLjMFMHMbMR4fNKthJ+UAyC8F 70uPWfb/uaah7OOzIMUSOP8Fgyzzb0QM06zlJppwgB7IZco4rh5pX/lsJxWCVO32F0 5TvqJ+3oajZpY1dPkAJNfduWnl4Z/Qp0S9S2WYuZPzoQE5IcujFxxhf1FBoGN+syrX 4N/DDJOwAvRbQ== Date: Tue, 5 Aug 2025 15:46:04 -0700 From: Jakub Kicinski To: Alexander Lobakin Cc: , Michal Kubiak , Maciej Fijalkowski , Tony Nguyen , Przemek Kitszel , Andrew Lunn , "David S. Miller" , Eric Dumazet , "Paolo Abeni" , Alexei Starovoitov , "Daniel Borkmann" , Simon Horman , , , , Subject: Re: [PATCH iwl-next v3 16/18] idpf: add support for XDP on Rx Message-ID: <20250805154604.680bde07@kernel.org> In-Reply-To: References: <20250730160717.28976-1-aleksander.lobakin@intel.com> <20250730160717.28976-17-aleksander.lobakin@intel.com> <20250801153343.74e0884b@kernel.org> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 5 Aug 2025 18:09:40 +0200 Alexander Lobakin wrote: > From: Jakub Kicinski > Date: Fri, 1 Aug 2025 15:33:43 -0700 > > > On Wed, 30 Jul 2025 18:07:15 +0200 Alexander Lobakin wrote: > >> Use __LIBETH_WORD_ACCESS to parse descriptors more efficiently when > >> applicable. It really gives some good boosts and code size reduction > >> on x86_64. > > > > Could you perhaps quantify the goodness of the boost with a number? :) > > Sure, only a matter of switching this definition and running the tests > (and bloat-o-meter). > Intel doesn't allow us to publish raw numbers (Gbps/Mpps), I hope the > diff in percents (+ bloat-o-meter output) would be enough? Yes, delta is perfect. Absolute numbers aren't very meaningful if you don't specify all HW components and FW versions, and direction of wind on the day, anyway :$