Yogg Sources And Gcc 3.4

[mth411]

At http://perso.wanadoo.fr/yoyosan/yogg/index.html you can find the sources for yogg (the ogg vorbis player). Is there any chance that simply recompiling them under gcc 3.4 would allow a slower clock speed and the same results. Like running it stably at 66mhz instead of 90mhz.

Right now, it runs at 133 Mhz for overkill stability (meaning 6-8 hour battery life instead of 10-14 hour battery life at 66mhz) Just rough numbers from gpdoom.

mth411

PS Probably not, as yogg uses tremor, fixed point library and gcc 3.4 improves floating point optimizations, right?

 

[Robster]

You're exactly right, Tremor uses fixed point so gcc-3.4 won't make a huge difference to it.

However, each new gcc version performs a little better than the last, and so you may see some improvement. See the gcc changelog, the new/improved optimisations (especially the new -funit-at-a-time) could make the code faster. Probably not enough to go to 66MHz from 90MHz, but maybe to get down to 85MHz or so.

It's worth a try!