[hatari-devel] New CPU, MacOsX Build

[Laurent Sallafranque]

No, I disagree here.

I'm haven't got a Mac but a PC under Linux.

So, the problem is general and not related to macOS

Laurent


Le 30/01/2011 13:39, Anders Eriksson a écrit :
> On Sun, 30 Jan 2011, Jerome Vernet wrote:
>
>> Le 30/01/11 10:46, Laurent Sallafranque a écrit :
>>       Ok, thanks a lot for the test.
>>
>>       I've got exactly the same behaviour : nice music after a few 
>> tries, then music goes wrong in the green labyrinth, then music is 
>> nice again to
>>       the end.
>>
>>       I thing the problem in the labyrinth is not related to music 
>> (crossbar or DSP), but timings (maybe again videl).
>>       For me, top never goes up to 92% cpu for this screen.
>>
>> I just tried in windowed mode. Under MacOsX, there is an huge 
>> overhead is this mode. But, by this time where anybody have multicore 
>> CPU, that's may be a
>> good idea to try a multithreaded implementation of the DSP and Math 
>> CPU ?
>
> Hi,
>
> I think this is the same thing that we've talked about a million 
> times; The SDL backend have some serious performance problems on Mac 
> OS X.
>
> eUAE had the some issue, but they switched to OpenGL and got a very 
> big speedup compared to SDL.
>
> -- 
> Anders Eriksson
> ae at dhs.nu     http://www.dhs.nu/
> ae at atari.org  http://www.atari.org/
>
>
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