wma 192k stock:  258.6%, 30.93MHz
wma 192k without bitreverse:  284.91 28.07MHz
wma 192k without mdct_butterflies: 357.64 22.36MHz
wma 192k without mdct_backward: 560.11 14.28MHz
wma 192k without pre/post rotation:  312.83 25.57 MHz
wma 192k without post rotation:  288.19% 27.75 MHz