From owner-freebsd-stable@FreeBSD.ORG Thu Sep 23 13:06:01 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 6C4451065672 for ; Thu, 23 Sep 2010 13:06:01 +0000 (UTC) (envelope-from bryce@bryce.net) Received: from mail-qw0-f58.google.com (mail-qw0-f58.google.com [209.85.216.58]) by mx1.freebsd.org (Postfix) with ESMTP id 2E03E8FC08 for ; Thu, 23 Sep 2010 13:06:00 +0000 (UTC) Received: by qwf7 with SMTP id 7so4213575qwf.13 for ; Thu, 23 Sep 2010 06:06:00 -0700 (PDT) MIME-Version: 1.0 Received: by 10.220.125.86 with SMTP id x22mr13663vcr.31.1285247160065; Thu, 23 Sep 2010 06:06:00 -0700 (PDT) Received: by t7g2000vbj.googlegroups.com with HTTP; Thu, 23 Sep 2010 06:05:59 -0700 (PDT) Date: Thu, 23 Sep 2010 06:05:59 -0700 (PDT) In-Reply-To: X-IP: 70.140.155.124 References: User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.10) Gecko/20100914 Firefox/3.6.10,gzip(gfe) Message-ID: From: Bryce To: nickolasbug@gmail.com Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: 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: Thu, 23 Sep 2010 13:06:01 -0000 On Sep 22, 9:35=A0am, nickolas...@gmail.com wrote: > > 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. > I don't think is heat & throttling related. Here's the temps while doing a make -j16 buildworld: dev.cpu.0.temperature: 57.0C dev.cpu.1.temperature: 57.0C dev.cpu.2.temperature: 54.0C dev.cpu.3.temperature: 54.0C dev.cpu.4.temperature: 57.0C dev.cpu.5.temperature: 57.0C dev.cpu.6.temperature: 55.0C dev.cpu.7.temperature: 55.0C IMO, the problem is preventing the system from even loading up the CPU's enough to even get hot - I have never seen it over 61 C. If sit & watch top -P during a buildworld, it rarely get's all 8 CPU's loaded up with idle numbers near 0%. A vast majority of the time one CPU is maxed and the others are mostly idle. > You may also run openssl speed or "linpack" test > (/usr/ports/math/linpack) or hpl (/usr/ports/benchmarks/hpl) to load > your CPU > _______________________________________________ > freebsd-sta...@freebsd.org mailing listhttp://lists.freebsd.org/mailman/l= istinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"