Re: [hatari-devel] Very slow emulation when enabling Cycle Exact

[Nicolas Pomarède <npomarede@xxxxxxxxxxxx>]

Le 14/02/2018 à 23:10, Miro Kropáček a écrit :
> On 15 February 2018 at 05:03, Jerome Vernet <vernet.jerome@xxxxxxxxxx 
> <mailto:vernet.jerome@xxxxxxxxxx>> wrote:
>
> >     Yeah, that's what I can see here: fill_prefetch_030,
> >     fill_prefetch_030_ntx are using most of the CPU (about 70 %).
>
> Well, the obvious question is then... any chance we could get an option 
> to disable the cache? I mean, many of us have been using Aranym for 
> years for development and it doesn't have any cache whatsoever, so it's 
> perhaps not much needed for classic development. For counting cycles, 
> cache misses etc, sure, but that that's when I would enable profiler = 
> even more slowness anyway.

It's already there : don't use "prefetch / more compatible" nor "cycle 
exact" modes. Also don't enable MMU if you don't really need it, as it 
has huge impact on performances too.