#mpg123 benchmark (user CPU time in seconds for decoding)
#decoder        t_s16/s t_f32/s
SSE     4.97    5.26
MMX     5.36    6.83
i586    7.19    6.89
i586_dither     7.64    6.90
i386    7.89    6.82
generic 8.10    7.05
generic_dither  8.90    7.01