[Openal-devel] OpenALsoft CPU usage?

[Jason Daly]

Christian Ohm wrote:
> I think Warzone uses one source per unit, with 8 x 300 units maximum


Wow, 2400 sources is an awful lot of mixing to do, no matter how well 
the mixing loop is optimized.  Furthermore, once you get above 30-60 
sources (depending on content), the benefits of adding more and more 
sources to the soundfield start to diminish.

It's not too difficult to implement a management scheme that can pick 
the /n/ most important sources (nearest, loudest, whatever your app 
needs) and only render those sources.  My experience has been that it's 
difficult to tell the difference in a practical application (except for 
the CPU time you recover :-) ).

--"J"

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