[haiku-appserver] Re: what is special about the T40p?!?

  • From: "André Braga" <meianoite@xxxxxxxxx>
  • To: haiku-appserver@xxxxxxxxxxxxx
  • Date: Sat, 11 Aug 2007 14:19:32 -0300

On 8/11/07, Stephan Assmus <superstippi@xxxxxx> wrote:
> Hi guys,
>
> my boss has borrowed me his IBM T40p. I know there are a couple of you who
> own such a machine. What might be special about it?!? The Haiku app_server
> feels like it is running about 10 times as fast as on my other, much faster
> computer which has an ATI graphics board as well. I know this is the
> chipset (M6) that the radeon driver has been originally written for, IIRC,
> but I doubt this is the reason. Is it using RAM for graphics memory? Is
> there something special about the first generation centrino CPUs that makes
> Haiku's scheduler like them? What is it? The difference is like night and
> day!

SpeedStep effects messing with timers and timeouts? Different memory
controller, PCIe vs AGP, different bus speeds, larger CPU cache?...

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