From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 1A67D456E6; Mon, 29 Jul 2024 21:46:38 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id CF6A240E0C; Mon, 29 Jul 2024 21:46:37 +0200 (CEST) Received: from fhigh2-smtp.messagingengine.com (fhigh2-smtp.messagingengine.com [103.168.172.153]) by mails.dpdk.org (Postfix) with ESMTP id DF1D340E0A for ; Mon, 29 Jul 2024 21:46:35 +0200 (CEST) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailfhigh.nyi.internal (Postfix) with ESMTP id 742671140142; Mon, 29 Jul 2024 15:46:35 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Mon, 29 Jul 2024 15:46:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= cc:cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm3; t=1722282395; x=1722368795; bh=GXzgwM4kHfjGopysAYqng6jtRSiXdC58Du1e6EeYNjw=; b= MIGQzD7X/FcGTg62/ny/O+h8QBWl8nu/Jy/2mesj47rIROn11HitLHMyjFIYhKOq QPG1x+UM9ccJ5/m8U0mbVq0hwtCqdPJUBdcg1wV2XFFlvO2U7qoetfaP19ZOgSoy bsMfUDwG+FNCi0l2mGnNGKqgPemJzU2B1/oikV71VokcUJrpGTeHOtUhCCL71/AO yTSWj3CS0yNl6POGzxWuvrcK0f3ll49aSIn6npl5lUH8oEKV4QuBvUrrLZEd5PhW 7Bv316a3hSV+iVS7FZy4V0BeSXJJpuowqMdB0SNIQjYTPyzTODPVhXBUt+pLz9oE ROxy13biAG9mWh7H0EatZA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:content-type:date:date:feedback-id:feedback-id :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t=1722282395; x= 1722368795; bh=GXzgwM4kHfjGopysAYqng6jtRSiXdC58Du1e6EeYNjw=; b=Q KDDJeCswl7ZSHpUhf7MoLd5aNWEJM0CkuHChGJQcJSsSUz2P6NYUtfFbVedmfDi6 pK2kUigwfP+F0VXEMiRRrQEeej41tMPpP0jgX/kEk9R0xWEVDh5IjMs7bEHpAl0X 6wzCyULqZo5818LtK73po2yFFkCOOaG6ztIUBO+SYLf5c7FZZTYHVlmk28+oYME4 vsB1ELSzPv9xp+U7UXrYS9cNXtM3Ib+glY85wFFk+Wynr0wz1vw7T2xR5HVoCVGw 0Xuzc6XkYJy1iF7FRngTSaLtTsWSrHh/kHb+RC2BlkHqu1QmUaIJmL4wZEGfTOnX 5K5qLJ0+ZdWHq4vOTzO7g== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeftddrjedvgddugeefucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvvefufffkjghfggfgtgesthfuredttddtjeenucfhrhhomhepvfhhohhm rghsucfoohhnjhgrlhhonhcuoehthhhomhgrshesmhhonhhjrghlohhnrdhnvghtqeenuc ggtffrrghtthgvrhhnpeejudevheeiveduuddtveffgfdtgeekueevjeffjeegtdeggeek gfdvuefgfeekjeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfh hrohhmpehthhhomhgrshesmhhonhhjrghlohhnrdhnvghtpdhnsggprhgtphhtthhopedt X-ME-Proxy: Feedback-ID: i47234305:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 29 Jul 2024 15:46:33 -0400 (EDT) From: Thomas Monjalon To: Jack Bond-Preston Cc: Andrew Rybchenko , Morten =?ISO-8859-1?Q?Br=F8rup?= , dev@dpdk.org, Wathsala Vithanage Subject: Re: [PATCH] doc: clarify mempool striding optimisation on Arm Date: Mon, 29 Jul 2024 21:46:30 +0200 Message-ID: <7831052.lvqk35OSZv@thomas> In-Reply-To: <20240715144420.36292-1-jack.bond-preston@foss.arm.com> References: <20240715144420.36292-1-jack.bond-preston@foss.arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org 15/07/2024 16:44, Jack Bond-Preston: > The mempool memory channel striding optimisation is not necessary on > Arm platforms. > Update the Programmer's Guide's mempool section to clarify this. > > Signed-off-by: Jack Bond-Preston > Reviewed-by: Wathsala Vithanage > --- > +.. note:: > + > + This feature is not present for Arm systems. Modern Arm Interconnects choose the SN-F (memory > + channel) using a hash of memory address bits. As a result, the load is distributed evenly in all > + cases, including the above described, rendering this feature unnecessary. Applied with indentation changes, thanks.