Re: buildworld times

From: Vincent Poy (vince_at_oahu.WURLDLINK.NET)
Date: 02/29/04

  • Next message: Andre Guibert de Bruet: "Re: buildworld times" 
    Date: Sun, 29 Feb 2004 12:24:25 -1000 (HST)
To: Andre Guibert de Bruet <andy@siliconlandmark.com>

    On Sun, 29 Feb 2004, Andre Guibert de Bruet wrote:

    > On Sat, 28 Feb 2004, Vincent Poy wrote:
    >
    > > On Sat, 28 Feb 2004, Don Lewis wrote:
    > > >
    > > > My 1.5 GHz Pentium-M laptop, with 512 MB RAM, and a 5400 RPM drive, also
    > > > running 5.2-CURRENT with the kernel options:
    > > > SCHED_ULE
    > > > INVARIANTS
    > > > INVARIANT_SUPPORT
    > > > WITNESS
    > > > WITNESS_SKIPSPIN
    > > > ACPI_DEBUG
    > > > and no /etc/malloc.conf runs buildworld in
    > > > 2067.708u 1323.742s 1:01:24.53 92.0% 2816+1833k 23350+5985io 8841pf+0w
    > > >
    > > > In both cases this was a "make buildworld" with no options (no -j).
    > >
    > > Hmm, that is weird since I know the WITNESS options are supposedly
    > > going to slow down the buildworld process but maybe the thing is that the
    > > Pentium-M processor runs cooler as the P4m-2.6Ghz CPU does hit 83C degrees
    > > and that's when it chokes as I noticed on a identical windows machine.
    >
    > If you're hitting 80+ degrees, your CPU is going to throttle to keep the
    > temperature down. This is likely to be the cause (or at least a good
    > contributor) of the large buildworld times you're seeing. You might want
    > to look into improved cooling, possibly water-cooling. :-)

            This is actually a notebook and not a desktop machine so the temps
    are higher than the desktop counterparts as my desktop P4C3.2 at 3.8Ghz
    runs at 50C full load. The P4M-2.6Ghz mobile processor runs at 63C even
    when idle. It might be the Thermal Interface Material just needs
    replacing or something. Is there a way to monitor the temperatures of the
    CPU since I do notice the load time averages moves up the the 6.xx when
    using -j4.

    Cheers,
    Vince - vince@WURLDLINK.NET - Vice President ________ __ ____
    Unix Networking Operations - FreeBSD-Real Unix for Free / / / / | / |[__ ]
    WurldLink Corporation / / / / | / | __] ]
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    HongKong Stars/Gravis UltraSound Mailing Lists Admin /_/_/_/_/|___/|_|[____]
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