Re: [hatari-devel] Falcon Sound

[Nicolas Pomarède <npomarede@xxxxxxxxxxxx>]

Le 12/10/2016 à 08:07, Anders Eriksson a écrit :
> On Sun, 9 Oct 2016, Troed Sångberg wrote:
>
> > Many thanks Jerome and Thomas for the merging of the updated OSX UI.
> > I've created a new preliminary release build which can be downloaded
> > from here: https://troed.ddns.net/f/2ae9582847/
> > I've briefly verified that it contains the new UI and it should be (as
> > "always") 10.5+ and x86/i386.
>
> Hi Troed,
>
> thanks for this test version.
>
> It works fine on my Mac Pro, the audio on Falcon is, as expected, a lot
> better.
>
> But rather amusing, my 8 core 2.2 GHz Xeon system can't emulate the DSP
> fast enough. Small DSP programs are ok (Protracker style players) but
> stuff like ACE and Graoumf is a no-no. 7 cores are idle, 1 core
> overflows :)  I wish some day that different parts of the Falcon
> emulation can be put to it's own thread (CPU, DSP, Videl..).

Hi

I also see this limititation, this is a problem with modern cpu with 
multi cores  : if you require a lot of cpu power at once, then you're 
stuck, this is only ok if you want to run several programs in parallel.

As for having a thread for cpu/dsp/videl/... it's unlikely to happen : 
it would be a huge loss of performance to keep several threads 
synchrnosised with each other to emulate this inner component on every 
opcode.

Possible threading would be maybe to have a screen rendering thread 
separated from the rest of the emulation.

Nicolas