From owner-freebsd-hackers@FreeBSD.ORG Wed Mar 10 19:08:46 2010 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8F7B11065674; Wed, 10 Mar 2010 19:08:46 +0000 (UTC) (envelope-from toasty@dragondata.com) Received: from mail-yw0-f175.google.com (mail-yw0-f175.google.com [209.85.211.175]) by mx1.freebsd.org (Postfix) with ESMTP id 3E1B38FC12; Wed, 10 Mar 2010 19:08:45 +0000 (UTC) Received: by ywh5 with SMTP id 5so279564ywh.13 for ; Wed, 10 Mar 2010 11:08:44 -0800 (PST) Received: by 10.101.155.19 with SMTP id h19mr1481281ano.43.1268248124630; Wed, 10 Mar 2010 11:08:44 -0800 (PST) Received: from vpn177.ord02.your.org (vpn177.ord02.your.org [204.9.55.177]) by mx.google.com with ESMTPS id 21sm6922265iwn.15.2010.03.10.11.08.43 (version=TLSv1/SSLv3 cipher=RC4-MD5); Wed, 10 Mar 2010 11:08:43 -0800 (PST) Mime-Version: 1.0 (Apple Message framework v1077) Content-Type: text/plain; charset=us-ascii From: Kevin Day In-Reply-To: <20100310112753.GW2489@deviant.kiev.zoral.com.ua> Date: Wed, 10 Mar 2010 13:08:42 -0600 Content-Transfer-Encoding: quoted-printable Message-Id: References: <2C7A849F-2571-48E7-AA75-B6F87C2352C1@dragondata.com> <201003091727.09188.jhb@freebsd.org> <207B4180-B8AF-4C93-8BC7-7F1FFEEBB713@dragondata.com> <20100310112753.GW2489@deviant.kiev.zoral.com.ua> To: Kostik Belousov X-Mailer: Apple Mail (2.1077) Cc: freebsd-hackers@freebsd.org Subject: Re: Extremely slow boot on VMWare with Opteron 2352 (acpi?) X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Mar 2010 19:08:46 -0000 On Mar 10, 2010, at 5:27 AM, Kostik Belousov wrote: > I think that the idea not to for CLFLUSH in the loop for large regions > is good. We do not extract the L2/L3 cache size now, I suppose that = 2MB > estimation is good for most situations. >=20 > commit bbac1632d349d68b905df644656ce9a8e4aed094 Thanks for everyone's help. This has actually increased the boot up = speed of all of our Opteron based boxes through VMware ESX. I'll report = the problem to VMware, but I'm betting this is a side effect of the = CLFLUSH problems in virtualized Opteron machines that they worked around = with a much slower function. -- Kevin =20=