[R] Re: [bad designed hardware]

[Alberto Murta]

I've a colleague that has a Mac G4, and after a day of normal work (such
as wordprocessing) he can do fried eggs on its back side. I think this
ability to do fried eggs has nothing to do with R.

Alberto

Uwe Ligges wrote:
> 
> "Dr. Chris Wills" wrote:
> >
> > Dear R Gang:
> 
> Dear guy,
> 
> >         I have a Macintosh G4 powerbook, running OS 9.2.  Last week I
> > ran a statistical analysis program that I wrote in R for two days
> > continuously.  The program does repeated intensive computations on a
> > large data set.
> >         The program completed its task successfully, but during the
> > process I noted that the computer seemed to be running unusually hot.
> > Shortly after the program stopped, something unrepairable happened to
> > the computer.  I don't know the cause of the problem yet, and won't
> > find out until Monday or Tuesday, but it seems to involve the hard
> > drive - Norton Disk Doctor cannot fix it, nor can I restore the
> > original software to the hard drive.
> >         The computer breakdown may of course be unrelated to my use
> > of R, but I am concerned that running the computer so intensively may
> > have caused the problem.  Has anyboody run into a similar problem
> > using R on a G4 machine?  I have also been running R on a G3 I-Book,
> > using the same operating system, though not the same program, and I
> > have had no problems.
> 
> You ran calculations and so you used your CPU extraordinary, so it's
> reasonable that it gets warmer than in other circumstances. If the
> cooling system doesn't work sufficiently, that might cause damages. In
> that case your hardware was not designed properly (e.g. to cool the 100%
> used CPU).
> 
> Uwe Ligges
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-- 
                           Alberto G. Murta                      
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