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 7639C567E for ; Tue, 24 Nov 2015 22:27:59 +0100 (CET) Received: by wmww144 with SMTP id w144so156237491wmw.1 for ; Tue, 24 Nov 2015 13:27:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:organization:user-agent :in-reply-to:references:mime-version:content-transfer-encoding :content-type; bh=y3KW+FMpvLr3Pk29Yc6HrW1ve9pGciWEI6H0OtLFGMY=; b=V32z7ICZLrz2Hm36JfB3b45tgHmzwBEwxHY9/wGNRIN7D38KxVlMZf+Yn2h2ceb5vu CxD8vdAfWcvjXWPgAa/luzRJN++lIJUDKn3mZ59dvatm+P2YCmmqCTDnvYZRPonaEjf3 8fGn3NSqsrOP0ZbUziaQt5fJoxy4iGA2vXjzQ+p3MyLcDsWqNZ+Bs1sQVvWGdEJGzL2l XBpHPYBDq98CoH7fnmXsBaIgCwkK1CyedLtuzknouGREmh2c/ECyFAqow3tUH9cHgyh6 N8heD8d6MyP2BD0ht6r+FDqeDqIwnzITYWSrlkxdG2ZiRSYIwy/jknssx5kYk3AxV5pD 9w9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:organization :user-agent:in-reply-to:references:mime-version :content-transfer-encoding:content-type; bh=y3KW+FMpvLr3Pk29Yc6HrW1ve9pGciWEI6H0OtLFGMY=; b=PlskF2o5iICxeqRcG9zDzFfewSU3w7SvQ/zNKK/pCVFusARUBIy3C/DhHlWFpAX7kL ih8wxsMBBLdAbItln0GwQQwICgvA5jzf5er/dwJaNS0h3CKm5ugZEAsNShciB5KLFiYu GWF0dbKAAbFYdTtc42fd1vS9TIOEv7S180dVTuptbDOwnX+QsKn3EXAHWtOqCEFDASah 36u5t4aTqo21momyvgRVkVaci5QtQ1yyjR/qwrE+TfS4THTkPiUEyX1tUWethxFJW4Yg x155SM7wenxAelwQQPLm3eY31txzapHgXSRcccjiVRw7gyziIIN0xMBTsWeIT5NxA7cU 2R3w== X-Gm-Message-State: ALoCoQk4beMSWNiuVVYeJW82AxcHC6A/mYmQqvV1XxPJFS/rFMbSsBNJ4weXadCCiTZOLKbE3Zdp X-Received: by 10.28.101.65 with SMTP id z62mr594120wmb.84.1448400479295; Tue, 24 Nov 2015 13:27:59 -0800 (PST) Received: from xps13.localnet (136-92-190-109.dsl.ovh.fr. [109.190.92.136]) by smtp.gmail.com with ESMTPSA id jh4sm19955474wjb.33.2015.11.24.13.27.58 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 24 Nov 2015 13:27:58 -0800 (PST) From: Thomas Monjalon To: "Polehn, Mike A" , bruce.richardson@intel.com Date: Tue, 24 Nov 2015 22:26:40 +0100 Message-ID: <3347211.GiimyAZdiC@xps13> Organization: 6WIND User-Agent: KMail/4.14.10 (Linux/4.1.6-1-ARCH; KDE/4.14.11; x86_64; ; ) In-Reply-To: <745DB4B8861F8E4B9849C970520ABBF14975C429@ORSMSX102.amr.corp.intel.com> References: <745DB4B8861F8E4B9849C970520ABBF14975C429@ORSMSX102.amr.corp.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Cc: dev@dpdk.org Subject: Re: [dpdk-dev] [PATCH v2] ethdev: Prefetch driver variable structure X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Nov 2015 21:27:59 -0000 2015-11-11 13:59, Polehn, Mike A: > Adds ethdev driver prefetch of variable structure to CPU cache 0 > while calling into tx or rx device driver operation. > > RFC 2544 test of NIC task test measurement points show improvement > of lower latency and/or better packet throughput indicating clock > cycles saved. > > Signed-off-by: Mike A. Polehn There are still some spacing issues with this patch. Bruce, what is your opinion about this prefetch?