Performance disparity, problem found

Chan Chung Hang Christopher christopher.chan at
Thu Apr 8 14:51:37 UTC 2010

Dotan Cohen wrote:
> I have two machines that show very different performance numbers.
> After digging a little I found out that the first machine has, in
> /proc/cpuinfo:
> model name      : Intel(R) Celeron(R) M processor         1.00GHz
> ...while the other has:
> model name      : Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz
> ...and that seems to be the main difference.
> Now the problem is that /proc/cpuinfo is read only. Would it be possible
> to make /proc/cpuinfo writable so that I could do:
> echo -n "model name      : Intel(R) Core(TM)2 Quad CPU    Q6600  @
> 2.40GHz" > /proc/cpuinfo
> the first machine and get a performance similar to the second machine?

Let me get this straight. You think that you can transform a crappy 
Celeron-M into a Intel Quad via the command line?

If those two machines are supposed to be identical...they are not. If 
the physical parts are indeed identical, then check BIOS versions.

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