From owner-freebsd-performance@FreeBSD.ORG Thu Oct 15 21:21:05 2009 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 64B29106566C for ; Thu, 15 Oct 2009 21:21:05 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-pz0-f202.google.com (mail-pz0-f202.google.com [209.85.222.202]) by mx1.freebsd.org (Postfix) with ESMTP id 3952A8FC16 for ; Thu, 15 Oct 2009 21:21:05 +0000 (UTC) Received: by pzk40 with SMTP id 40so1132235pzk.7 for ; Thu, 15 Oct 2009 14:21:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to:cc :content-type; bh=1cf35NK9HZjsrzBjaruoDBas1OG06VVUEKuhz858Hck=; b=lRDBSBpQG2etnOdgJFPBO2vBbZz2zq2rtkBlxvJ03lV2xamMGkpzDQ6QMYAXpO60JJ WADp8J+v+2TNsam7SV0qO5LK6kyC6crkyLXXAd76xVXe4Z8Zn/rHiMw4WA8qNqBZ8fH1 sm4ZQEP/vxz0G1+ePGnBb47jYb0l3+MVGVHBI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; b=l8gxV3iSWLdxG3HP0w7nshpdWD3YkXqDnnEYYO+VeRUuPv+1rzjb3dV8RymyAFDIVD 40q3ipRb4qwfAcce+POvIC/UNodH12VCbZDt3Pb5Vd0ilO2kpe22LOw6wyzHLNt6RM5m cybgCxhHaeL9V8+bZHzrIYse5h1Mft34NqGdE= MIME-Version: 1.0 Sender: adrian.chadd@gmail.com Received: by 10.115.24.12 with SMTP id b12mr415873waj.86.1255640101504; Thu, 15 Oct 2009 13:55:01 -0700 (PDT) In-Reply-To: <78DB4AE8EF5F4A1EBD3992D7404B2725@china.huawei.com> References: <78DB4AE8EF5F4A1EBD3992D7404B2725@china.huawei.com> Date: Fri, 16 Oct 2009 04:55:01 +0800 X-Google-Sender-Auth: 2530c50c23bd7166 Message-ID: From: Adrian Chadd To: Hongtao Yin Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-performance@freebsd.org Subject: Re: Comparison of FreeBSD/Linux TCP Throughput performance X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Oct 2009 21:21:05 -0000 2009/10/15 Hongtao Yin : > Hi, > > > > I compared TCP performance between FreeBSD and Linux by running test tools > Netperf and Iperf with Intel NIC. Did you compare syscalls made and time taken? For example, do either/both of them do a lot of gettimeofday() calls? FreeBSD and Linux have (had?) different behaviours and performance with those. I'd suggest digging a bit deeper? :) adrian