From owner-freebsd-stable@FreeBSD.ORG Mon Apr 12 14:49:29 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 09BE4106564A for ; Mon, 12 Apr 2010 14:49:29 +0000 (UTC) (envelope-from avg@freebsd.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 360608FC13 for ; Mon, 12 Apr 2010 14:49:28 +0000 (UTC) Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua [212.40.38.101]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id RAA27211; Mon, 12 Apr 2010 17:49:24 +0300 (EEST) (envelope-from avg@freebsd.org) Message-ID: <4BC332F4.4040100@freebsd.org> Date: Mon, 12 Apr 2010 17:49:24 +0300 From: Andriy Gapon User-Agent: Thunderbird 2.0.0.24 (X11/20100319) MIME-Version: 1.0 To: Maho NAKATA References: <20100412.131213.4959786962516027.chat95@mac.com> <4BC3311F.5060503@icyb.net.ua> In-Reply-To: <4BC3311F.5060503@icyb.net.ua> X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org Subject: Re: Only 70% of theoretical peak performance on FreeBSD 8/amd64, Corei7 920 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Apr 2010 14:49:29 -0000 on 12/04/2010 17:41 Andriy Gapon said the following: > It would also be get good to learn more about your program. > How much memory does it typically use, how does it allocate it? > Is it single-threaded or not? If not, how many threads does it have and what do > they do, how do they communicate? Another question is what compilers (what versions of GCC) were used on both system to compile the program? -- Andriy Gapon