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Altera_Forum
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16 years ago

Mp3 decoder too slow on NiosII

Hi,all I'm now designing a mp3 player for DE2 board, which use libmad for mp3 decoding. But currently, the speed is too slow for real time playing. The core is NiosII fastest core,i cache=8kb, ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

@ BadOmen

correct changing from -O2 to -O3 might introduce hardcore bugs with -O3 we had to add -fno-rename-registers to get rid of some functional differencies between DEBUG and RELEASE version