[Virtualacorn-list] Slow computer response

Keith Pascall klp at klpascall.plus.com
Sat Oct 3 10:35:16 BST 2009


In message <cef.6296420d.37f86b3f at aol.com> you wrote:

>
> I think it's worth me correcting this. Whilst the Mips figure shown  in
> the bottom right of the VirtualRPC window does indeed show the
> current (rough) speed of the ARM software processor - it does not
> show the CPU time that VRPC is getting from Windows.
>
> The figure shows what VirtualRPC is currently using, so in fact
> the figure is the exact opposite. It's not what Windows is giving,
> it's what VirtualRPC is asking for.
>
> It is quite normal for this figure to drop to almost nothing (for  example
> when typing in a word processor). This is because of the VirtualAcorn
> power management kicking in. This throtles back the usage of the real
> CPU. So VirtualRPC just claims what it needs for whatever RISC OS
> is currently doing.
>
> So RISC OS will quite happily "work properly" with a low Mips figure.
>
> If you really want to see what CPU resources any VirtualAcorn is
> getting - then you need to look at the Windows Task Manager
> Processes Tab. If VirtualRPC is not getting enough CPU time
> then that will be because something else is using it. This can
> be identified from the Processes tab.
>
> Aaron

Mips behaves similar to that described above and CPU time is usually top
of list with setting at 3.

What does Fps and Sys values indicate?

Will have to break off now to do some busiess inoices but will have
another delve into the problem later.

Thank you for all your suggestions.

Regards,

Keith

-- 
Keith Pascall




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