I would like to see an option to disable sound at all.

Did you know that the sound system eats up to 30% of CPU time, depending 
on hardware? This even with --disable-sound on the command line.

I found it while profiling fgfs on my eeepc with ubuntu, which is 
largely affected because of its low end hardware.

Enabling OpenAL starts a thread which is constantly eating up CPU 
cycles. 30% of CPU. (pulseaudio _is_ disabled BTW)

[ I was able to improve FPS rate from 1 FPS to 15 FPS with disabling 
OpenAL altogether and further quirks. But fgfs still is barely useable 
on the eeepc ]


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