From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f49.google.com (mail-wm0-f49.google.com [74.125.82.49]) by dpdk.org (Postfix) with ESMTP id 3FD6B2C4F for ; Fri, 20 Jan 2017 17:57:05 +0100 (CET) Received: by mail-wm0-f49.google.com with SMTP id d140so15494091wmd.0 for ; Fri, 20 Jan 2017 08:57:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=3DJ7WmM1D81VwX76dgKsuXiPTEtyYSeRWcXzx/smJvc=; b=kky0NL9BozbRnvvgBBp1g/XXwhaA7MbOaM8PO4xet8XNMeCnO7fh6NyFuOFElDL/dv NXdIKNQxOz/RLahfjzOqvSayBx9p0mKQrbLa/PZd0cIp5ReJaNvgvFlFUFm5XgQuB9hI uNLLwNFLZduZK1jtlzTKtxTM2JGKth8ov+XMoWzLbUMoSsU4MObQm+7ptgxYY9ViuSY2 3sIM6ui2pUtGsX1YcWK9GgvAMEi7EDsgnXlmqhdQOArqypa404EFjkhkQC1LpleUSn1M w+COm1OZL23XpbsXHv55kVAs3WVXobTWtf79s9vNVygCDt1CcNWWeyf9Oa7+fAAdoGFM rdNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=3DJ7WmM1D81VwX76dgKsuXiPTEtyYSeRWcXzx/smJvc=; b=PrRG2zqT1f0GykqiGsyVMVnwCrJP6SUuEodfwaij60FjHJPebdxyiwjsUjDATuKZTr J6eJsvoYG+w27+/7wJKKf2qLYNxBUohy3hQgmFKBC1ec0yEFTmaancfOlseIQHl4QAsU LDzESwebVhKjiTzHDJdyUTNHYD1/8hEUSnqOhxBO+M1cXs7HhSp5AA7cWY/SymjppVu2 aG2kXTJXfrKleDNKy7tqZES1OSZ3kjvkA4G2nFCRp9cfjT4pGwtRv70slqrUPAElb7TQ I+TxgIT7s814iUuAm+p+6itqQSRikqw4wkTSOauBvLv8G7d8s+zqxFsJ1HneCc5haHSC uxlg== X-Gm-Message-State: AIkVDXIstU5rMp2VKq3xUsR4dd8GKC/Ntr8AUXYw9sDmIYWuiEwWHLWuKKnP1GCP6Gb+I40o X-Received: by 10.223.147.7 with SMTP id 7mr3078650wro.165.1484931425699; Fri, 20 Jan 2017 08:57:05 -0800 (PST) Received: from 6wind.com (host.78.145.23.62.rev.coltfrance.com. [62.23.145.78]) by smtp.gmail.com with ESMTPSA id y80sm573835wrb.12.2017.01.20.08.57.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 20 Jan 2017 08:57:04 -0800 (PST) Date: Fri, 20 Jan 2017 17:56:58 +0100 From: Adrien Mazarguil To: Yongseok Koh Cc: ferruh.yigit@intel.com, dev@dpdk.org Message-ID: <20170120165658.GM3779@6wind.com> References: <20170117020940.37453-1-yskoh@mellanox.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170117020940.37453-1-yskoh@mellanox.com> Subject: Re: [dpdk-dev] [PATCH] net/mlx5: add prefetching Rx completion queue 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, 20 Jan 2017 16:57:06 -0000 On Mon, Jan 16, 2017 at 06:09:40PM -0800, Yongseok Koh wrote: > On receiving a compressed session of Rx completion, prefetch every entries > to be invalidated. Also, invalidate consumed completions per every 8 > mini-completions, not to wait until the last entry is consumed. This helps > to reduce jitter in rx_burst. > > Signed-off-by: Yongseok Koh > --- > drivers/net/mlx5/mlx5_rxtx.c | 23 ++++++++++++++++++++--- > 1 file changed, 20 insertions(+), 3 deletions(-) Acked-by: Adrien Mazarguil -- Adrien Mazarguil 6WIND