mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: "Trever L. Adams" <tadams-lists@myrealbox.com>
To: Ed Sweetman <ed.sweetman@wmich.edu>
Cc: Russell King <rmk@arm.linux.org.uk>,
	Con Kolivas <kernel@kolivas.org>,
	Herman Oosthuysen <Herman@WirelessNetworksInc.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Linux vs Windows temperature anomaly
Date: 05 Mar 2003 19:47:05 -0500	[thread overview]
Message-ID: <1046911624.1051.35.camel@aurora.localdomain> (raw)
In-Reply-To: <3E66964E.6050101@wmich.edu>

> The behavior you describe is when you increase the power output of a 
> chip beyond normal specifications (overclocking) then the temperature of 
> failure is lowered.  eg. A chip that would run normally at 50C now can 
> only run stable at 45-40.

You are the one mistaken.  Most CPUs don't dissipate a constant amount
of power as heat.  That depends on what the CPU is doing.  For example,
even the Athlon without disconnect will cool some when it is 'halt'ed. 
If a CPU is working more, accomplishing more than it was at another
time, it will be needing to rid itself of more heat.  Hence, the fact
that the external temperature becomes the limiting factor (along with
how good the heat exchange system is [i.e. heat sink/fan]).

I do believe the previous poster was incorrect about the mathematical
relationship between case and CPU temperatures.  They are NOT a 1:1. 
However, he is right, they are mathematically related.  Just as the heat
dissipated and the work done are related.

You do not need to overclock a CPU to get this kind of a change.  The
change in the efficiency (memory management, task switching, etc.) of
how the work is done can cause the CPU to be worked harder... and when
the CPU is worked harder, so is memory and quite often just about
everything else.

Trever
--
One O.S. to rule them all, One O.S. to find them. One O.S. to bring them
all and in the darkness bind them.


  reply	other threads:[~2003-03-06  0:36 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1045784829.3821.10.camel@laptop-linux.cunninghams>
     [not found] ` <20030223223757.GA120@elf.ucw.cz>
     [not found]   ` <1046136752.1784.15.camel@laptop-linux.cunninghams>
     [not found]     ` <20030227132024.GB27084@atrey.karlin.mff.cuni.cz>
2003-02-27 18:42       ` SWSUSP Discontiguous pagedirs Nigel Cunningham
2003-03-01  4:22       ` SWSUSP Discontiguous pagedir patch Nigel Cunningham
2003-03-02 23:55         ` Patrick Mochel
2003-03-03  2:06           ` Nigel Cunningham
2003-03-03  2:31           ` Nigel Cunningham
2003-03-03 12:30           ` Pavel Machek
2003-03-04 20:36             ` Patrick Mochel
2003-03-05 20:50               ` Pavel Machek
2003-03-05 21:52                 ` Linux vs Windows temperature anomaly Jonathan Lundell
2003-03-05 23:11                   ` Herman Oosthuysen
2003-03-05 23:38                     ` Con Kolivas
2003-03-05 23:50                       ` Russell King
2003-03-06  0:29                         ` Ed Sweetman
2003-03-06  0:47                           ` Trever L. Adams [this message]
2003-03-06  9:45                             ` Russell King
2003-03-06  1:58                           ` Jonathan Lundell
2003-03-06  7:18                       ` Corvus Corax
2003-03-06  7:57                         ` Ed Sweetman
2003-03-06  8:18                           ` Corvus Corax
2003-03-06  8:58                             ` Ed Sweetman
2003-03-06 15:41                               ` Jesse Pollard
2003-03-06 14:27                         ` Jesse Pollard
2003-03-06  2:57                   ` David Rees
2003-03-06  6:12                   ` Matthias Schniedermeyer
2003-03-06 16:07                     ` Jonathan Lundell
2003-03-07  0:40                   ` Horst von Brand
2003-03-05 18:02           ` SWSUSP Discontiguous pagedir patch Pavel Machek
2003-03-07 17:14             ` Patrick Mochel
2003-03-07 20:27               ` Pavel Machek
2003-03-09 19:39                 ` Benjamin Herrenschmidt
2003-03-09 20:12                   ` Pavel Machek
2003-03-10 16:49                 ` Patrick Mochel
2003-03-10 19:23                   ` Pavel Machek
2003-03-10 19:05                     ` Patrick Mochel
2003-03-10 22:17                     ` Nigel Cunningham
2003-03-10 23:20                       ` Pavel Machek
2003-03-07 20:36               ` Pavel Machek
2003-03-10 16:51                 ` Patrick Mochel
2003-03-10 19:12                   ` Pavel Machek
2003-03-10 18:59                     ` Patrick Mochel
2003-03-07 20:41               ` Pavel Machek
2003-03-06 17:29 Linux vs Windows temperature anomaly Ed Vance

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1046911624.1051.35.camel@aurora.localdomain \
    --to=tadams-lists@myrealbox.com \
    --cc=Herman@WirelessNetworksInc.com \
    --cc=ed.sweetman@wmich.edu \
    --cc=kernel@kolivas.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rmk@arm.linux.org.uk \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®