From owner-freebsd-stable@FreeBSD.ORG Wed Sep 22 15:00:33 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 319471065670 for ; Wed, 22 Sep 2010 15:00:33 +0000 (UTC) (envelope-from nickolasbug@gmail.com) Received: from mail-qy0-f182.google.com (mail-qy0-f182.google.com [209.85.216.182]) by mx1.freebsd.org (Postfix) with ESMTP id D19658FC1A for ; Wed, 22 Sep 2010 15:00:32 +0000 (UTC) Received: by qyk4 with SMTP id 4so939063qyk.13 for ; Wed, 22 Sep 2010 08:00:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=HYB+UwZxT60lDUPViMErMaQ1MCOZi455/O6w/ZTfucw=; b=V5hl3lVNVqouLD4xIOkXrANt9Z75ohIUqOWd7uldOKXxKqcFcCseAmaODMKbb2J1wP 73BZOckcr2bEta2xvs64FnbM91NuMcggQ7d5h2xzVgbIyEtSXz3sST8lXys8g4etZA+o aEM0sAl0FBLN1yb8hUd5RB0xQnpmDL1GQd5SE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=PQaNHsXCa/K14aF+Klxk/TBG4kIs93S4cDxgCo6zsijIQ188ed68ZKnw/4RwDThYLI hxx3Fc+PXwib7dUdkw9DD7QC0HXmfbF6vnXB5t8vZAW/WO2sMaJfq6xaeeHYHskS/3sv poQ+pto2rmknFcNP4FBPPpOoZBnMkwfBxgBMg= MIME-Version: 1.0 Received: by 10.224.122.196 with SMTP id m4mr214954qar.105.1285166153722; Wed, 22 Sep 2010 07:35:53 -0700 (PDT) Received: by 10.229.190.212 with HTTP; Wed, 22 Sep 2010 07:35:53 -0700 (PDT) In-Reply-To: References: <10b0bdef-2bb1-44c8-9ffb-7d3167147a4f@q2g2000vbk.googlegroups.com> <20100922081230.GA20489@server.vk2pj.dyndns.org> <20100922230552.D11124@sola.nimnet.asn.au> Date: Wed, 22 Sep 2010 17:35:53 +0300 Message-ID: From: nickolasbug@gmail.com To: Tom Evans Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: Adam Vande More , Peter Jeremy , Bryce , Ian Smith , freebsd-stable@freebsd.org Subject: Re: SuperMicro i7 (UP) - very slow performance 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: Wed, 22 Sep 2010 15:00:33 -0000 > md5 -t is quite a small benchmark, even with his misfunctioning CPU it > took <6 seconds to complete. > > If his problem is a misapplied heatsink/fan, then his CPU could be > throttling when it gets hot, the hotter it gets the more it throttles, > which could explain his massive buildworld walltime. Perhaps running > something like: > > =A0apply -0 "md5 -t" `jot 10` > > would display a notable difference. You may also run openssl speed or "linpack" test (/usr/ports/math/linpack) or hpl (/usr/ports/benchmarks/hpl) to load your CPU