[hatari-devel] New CPU, MacOsX Build

Anders Eriksson ae at dhs.nu
Sun Jan 30 13:39:58 CET 2011


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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