Re: [hatari-devel] Suspected Hatari 2.3.0 regression (prefetch?)

[Laurent Sallafranque <laurent.sallafranque@xxxxxxx>]

This brings me a little question : is the extra CPU cycles time used to 
cross the MMU tables by the 68030 taken into account by Hatari ?

Regards

Laurent


Le 16/12/2020 à 18:09, Nicolas Pomarède a écrit :
> Le 16/12/2020 à 18:05, Eero Tamminen a écrit :
> > PS. In some cases enabling MMU slows down
> > the emulated program hugely.  Is this expected?
>
> Yes, because every memory access need to go through some additional 
> translation tables to convert the logical address to a physical one 
> (even if most of the time they will be the same), which require a lot 
> of operations to emulate the MMU inner work.
>
> So it's expected to be much slower most of the time :)