From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) by dpdk.org (Postfix) with ESMTP id 4160A14EC; Sat, 19 Jan 2019 00:40:02 +0100 (CET) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id B053627546; Fri, 18 Jan 2019 18:40:01 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Fri, 18 Jan 2019 18:40:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s=mesmtp; bh=bslBdl7QSPrPExts79Be8AIVds+ZWPZNHh6ZNAhodWc=; b=nfInqSBhEdwk drT7U0HAQkiG5+CjACxzdhI/uJ1OsS/plrfHq3sr4hLUAbBoCg3e8217zEcROCM6 hOG2WJo59Iy8VVGPp1Y6s/U75Z03qrFM2aWu9Y8F08xGp5X4AQ1vC9fc2nbkFDz2 pXwxwUVMMvDLCJq9jCDFGDdQKS1fqXY= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=bslBdl7QSPrPExts79Be8AIVds+ZWPZNHh6ZNAhod Wc=; b=JJBe9xwK3j3P0dfYI2Ezcg++2GvR1kx1ikt2PrUR5tegU95cK1xUhFxZ8 sicBaJMLf/CSCOgh6d8OAQnospGTCOkyR5OuGMXT4pm/W6ClHDbj+8CiJQFlbEZf j7mE9MO9mT9SJfAHrbn0ibvsYWnOmrMwdgeQNqZUu08ZxTfBM4Z2XHjUq9JTyzMC UA6gZECPPiAlecjd2kxD4r2PUeko++zEfJ8vBOejajAvtZ5Lo6sj5pDhszn4Epc5 veIFZBNb/ypcadlbAGXWHWfFEGPHrqCfN6s9St+kL/5b8TMSJFfKG6lTa/xqB42S RAfxaqsXSYTxLkFwx/fCl2S6jkB1w== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedtledrhedugdduvdcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfhuthenuceurghilhhouhhtmecufedt tdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephffvufffkfgjfh gggfgtsehtufertddttddvnecuhfhrohhmpefvhhhomhgrshcuofhonhhjrghlohhnuceo thhhohhmrghssehmohhnjhgrlhhonhdrnhgvtheqnecukfhppeejjedrudefgedrvddtfe drudekgeenucfrrghrrghmpehmrghilhhfrhhomhepthhhohhmrghssehmohhnjhgrlhho nhdrnhgvthenucevlhhushhtvghrufhiiigvpedt X-ME-Proxy: Received: from xps.localnet (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id 0EC83100BA; Fri, 18 Jan 2019 18:39:59 -0500 (EST) From: Thomas Monjalon To: Rasesh Mody , Shahed Shaikh Cc: dev@dpdk.org, "ferruh.yigit@intel.com" , "stable@dpdk.org" Date: Sat, 19 Jan 2019 00:39:56 +0100 Message-ID: <1744133.bz9sQu2Dn4@xps> In-Reply-To: References: <20190118102930.27487-1-shshaikh@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH 1/2] net/qede: fix performance bottleneck in Rx path X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Jan 2019 23:40:02 -0000 18/01/2019 17:57, Rasesh Mody: > >From: dev On Behalf Of Shahed Shaikh > >Sent: Friday, January 18, 2019 2:29 AM > > > >Allocating replacement buffer per received packet is expensive. > >Instead, process received packets first and allocate replacement buffers in > >bulk later. > > > >This improves performance by ~25% in terms of PPS on AMD platforms. > > > >Fixes: 2ea6f76aff40 ("qede: add core driver") > >Cc: stable@dpdk.org > > > >Signed-off-by: Shahed Shaikh Applied, thanks