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 969F6A0352 for ; Mon, 21 Feb 2022 18:08:57 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 634C740DF6; Mon, 21 Feb 2022 18:08:57 +0100 (CET) Received: from mail-pj1-f44.google.com (mail-pj1-f44.google.com [209.85.216.44]) by mails.dpdk.org (Postfix) with ESMTP id 4FCE04068C for ; Mon, 21 Feb 2022 18:08:56 +0100 (CET) Received: by mail-pj1-f44.google.com with SMTP id m13-20020a17090aab0d00b001bbe267d4d1so226302pjq.0 for ; Mon, 21 Feb 2022 09:08:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20210112.gappssmtp.com; s=20210112; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=lvGRTxGMZbm6XFdkeBzgMAZL9QuyJPDjPyIZCtVRMSQ=; b=sP0Y4wGo3kAbi/yrtU3zgy/e8DvZgkBgCSRRmd1OOqx1Gd72ejBSnQhkcE+J2/002G t9xuHfH3H67hmFuVpAuyihsFRuc1wEn25/qmoeJEkvsVibtdHPItmf30Kr8qNWR4Gaoi aFHn+LCcrgaNnsIlVvti8+P3Myt7Fepj15rMBwvSQ32Rjg6av+Hzidv+l85jsJeNMGXc /HzrjhjZW044MUZaH/RCZddwU0wUThD6o5FVqx9zYxHnJp5E9HYhpySufWzlZFwHMUd1 RDa/lnsoLWpQgcuhSKS3pv6Yu0AzLJw2U60OtRYknF68bx5FfwXn8EppAMBZdxDvNLzF lLSA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=lvGRTxGMZbm6XFdkeBzgMAZL9QuyJPDjPyIZCtVRMSQ=; b=U7u1JBi6xbSu0A67/xbJKAKMVErmnFAWe7ueqgKd4fSPDVfLJ4zpXEDc7F3nNYNkxq TvyCwlRNlkqcVJu4KB+g1UGqoscX/9Dexa++v2HlNil/RyyEbx25kBKDBynlT8AhVbHe jwN4Mo+DW5BnSZmZvgQJ6JbsEIqDdCGWd/aTgsM9Jq+Pg7+NYQa4iiGScE91ISR51VuQ hc8ZIzY5Pl1ogJCZZIIci8RqXR9UXiZWSB14urVPsvzu39IfhhZTuD/BXUDUh6WLWbOD QshzvqDJ/S6HBO3Yz1iiq+52PMwta+iM4x4S+jWHpqNt30aUD/E9BvmlTjUiU0TuaKxx XlRQ== X-Gm-Message-State: AOAM531xxKiXUnHknowdnohwD7LLl7JIvbvZe8rfGAvcprLJhCEn/tTQ WzpxtGFW7ndkuKnu5FGLQjPY6SxxJ9itTI6L X-Google-Smtp-Source: ABdhPJwznnxUbxjmi8R20RwBirMzN2jl2b7ATpVF+Apm9EU5YtkySCTNXZUtkOtZYT+71mGZbVqpsA== X-Received: by 2002:a17:90a:e512:b0:1bc:22c8:cc82 with SMTP id t18-20020a17090ae51200b001bc22c8cc82mr8590840pjy.208.1645463335352; Mon, 21 Feb 2022 09:08:55 -0800 (PST) Received: from hermes.local (204-195-112-199.wavecable.com. [204.195.112.199]) by smtp.gmail.com with ESMTPSA id bd13sm252133pfb.60.2022.02.21.09.08.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Feb 2022 09:08:55 -0800 (PST) Date: Mon, 21 Feb 2022 09:08:52 -0800 From: Stephen Hemminger To: Staffan Wiklund Cc: users Subject: Re: Are Intel CPUs better than AMD CPUs for DPDK applications? Message-ID: <20220221090852.05f7819e@hermes.local> In-Reply-To: References: 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 Mon, 21 Feb 2022 16:14:26 +0100 Staffan Wiklund wrote: > Hello > > Do you know if there is a difference in support for DPDK that is provided by > Intel and AMD CPUs respectively? > > I talked to a person today claiming he has learned that Intel CPUs have > been preferred over AMD CPUs for some DPDK applications. > This person had no document showing reasons for this. > > Do you have any information on this? > If there is a difference, will the difference be negligible do you think > from a > technical perspective? > > Regards > Staffan There is no one Intel CPU and one AMD CPU. There are lots of types so the statement is very vague and misleading.