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 0F27E46B19 for ; Mon, 7 Jul 2025 05:31:04 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A8BF54025D; Mon, 7 Jul 2025 05:31:03 +0200 (CEST) Received: from mail-qk1-f174.google.com (mail-qk1-f174.google.com [209.85.222.174]) by mails.dpdk.org (Postfix) with ESMTP id DB6194021E for ; Mon, 7 Jul 2025 05:31:02 +0200 (CEST) Received: by mail-qk1-f174.google.com with SMTP id af79cd13be357-7d09a17d2f7so252720185a.1 for ; Sun, 06 Jul 2025 20:31:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1751859062; x=1752463862; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=MHgETxHgDj2HmwQcUAbQMvSytzdDByydPFkLN823kqM=; b=sZ+RF5dBO087Nj8+XqU9AmMYQqRzlwDuR1DN9dJiYbgUlAXqvzby3gg8AYopSU/ocB 2Uyj+7pv1lpgIjzhHD57RCJuhZO8u81Dd7XJYRgWnJkeaAPTOxtlSgIhtawQKUic/DLK q1vSHrKRfUImAJ4BgSnF5F1dcE1oc2HgT3waUrkjlNCDaTrNtDJjLxeaA/T5ADBzE7eI wqGjpzzcGqsh0/lWJgi7t+0Agun2JM/OEet6XzObPslCsURZozDARlh+ahZR4F9y4j1P mv/QHANdIRnDefBHDJ/EiNZG/Mc5I5mBnCs88S+fITPfpU1ib5kcAPePUFF71RF/fHQj SYpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751859062; x=1752463862; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=MHgETxHgDj2HmwQcUAbQMvSytzdDByydPFkLN823kqM=; b=G/sH4Ukglc+jdZNIfQgfv2xjYP72cVA0TF3SLLXrU67dhhFGfjLfqGUOazo1cAvJAU o3hG4W1wkH5eVRgaOFzV9Jo6wSB7pGGYppwF9R43HSXWPwSnLhHPAWOZJlytlun2wvI3 lDR0tQcqU6Oi60t+xumB2lQSaEH/BNQl3ZzCaevl6fnnJpxeEkmA5e6lyt+wIu5qtCqO lxs7v6xoABjZeA+r80f7fufRafsl9589tBv2mn4oAk3uOaK4hGmtUOW5TO5B7i07qMhs uzRZ7gN0+JEQWVWTvPBX6IFfltdpJXUrrL19OGGiQfg/61UWI+BGqSavo3pfhhdYm+t1 Z8KQ== X-Forwarded-Encrypted: i=1; AJvYcCWimBrU5qMipovvVSYwA4a2VM9yjvBgr7/TkjNCi/IS382QrHnLb90lAzOiyp7CSoU1+Q3erA==@dpdk.org X-Gm-Message-State: AOJu0YxYXZnmCkbZW2X8neU+sF6TjNLXVtXYZau4qh/4y3xqUnCcpuWO 6xCw0dkajvNiOfNDFJ7qAL8l6i1zadGlikiirUCAtoJk3A8zVdEnb+z+NKhhQ9v2Y6qI/w65u5e XehBX X-Gm-Gg: ASbGnctdkAxNmE9FzJbJv6D0aW3IW8K/WjkM45l0MqMhJYoaa8OvAB7F+u99kB1RqfJ AsSvomhDlKsb9cXe7zYLWuK1HBWzImcgv/zUrt8sgnFl5T6/ZCkLSW8uRwGvT77/AS8OZDXVmb+ w/z0z8a3u74UCYc8sHfEirTmQrwd49XG24poggnBAJLzVkrwMqhv7GzmGGconx9PlwOAYlBWZS7 YSJIQ7YQJ6C/qBRSGAETFVV31fD2vBvzFBRILOGV4FwPukEbBbgbgNEJD5iAz+gCKZt4mVLFopw 0GGwHs01iqnBROQgz3wdS2CmOkP3PBKAHhGZm+gC0DAOQM7kBfigWMv/2rLsXO9ryT9G1wXPr0u ax1gvLsrmPMa3IeUyrrCzAQ0y8qFfCJYYrv5ElK8= X-Google-Smtp-Source: AGHT+IEZUHmZsXuP4ecSFlSl6sPvHAmNVaQNA4zJTFCgdorKVLqkpdsazPkmEE2pZ/cBwpKNqh5GOg== X-Received: by 2002:a05:620a:44c9:b0:7d4:49fa:3c59 with SMTP id af79cd13be357-7d5df0f2a98mr1460367385a.15.1751859062035; Sun, 06 Jul 2025 20:31:02 -0700 (PDT) Received: from hermes.local (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4a9949fbe79sm56997861cf.31.2025.07.06.20.31.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 06 Jul 2025 20:31:01 -0700 (PDT) Date: Sun, 6 Jul 2025 20:30:58 -0700 From: Stephen Hemminger To: "Lombardo, Ed" Cc: Ivan Malov , users Subject: Re: dpdk Tx falling short Message-ID: <20250706203058.1b9dfa96@hermes.local> In-Reply-To: References: <20250704074957.5848175a@hermes.local> <20250705120834.78849e56@hermes.local> <20250706090232.635bd36e@hermes.local> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org On Sun, 6 Jul 2025 17:44:49 +0000 "Lombardo, Ed" wrote: > Hi Stephen, > If using dpdk rings comes with this penalty then what should I use, is there an alterative to rings. We do not want to use shared memory and do buffer copies? The most efficient way is to use single core run-to-completion and packet spreading with RSS and flows. See examples and Fd.io VPP for more complex version.