On Tue, Oct 16, 2001 at 04:30:36PM +0800, caihong wrote: > Hi > Because i will use DSP to do fixed point encoding, and DSP always > does 16 bits fixed point integer arithmatics. So, for data greater > than int or less than 2^(-32), i just try to use mantissa and > exponent to represent them, the result is slow!
A (integer-arithmetic) DSP is only fast when certain operations are uniformly performed on a stream of data values. It appears to me that the fact that a mantissa+exponent-representation is involved may clash with this; integer DSPs usually aren't designed for this combination of integer operations, AFAIK. Anyway, you need someone that is familiar with the specific DSP you are using who can tell you what sort of code or operations profit from the DSP's capabilities. I somewhat doubt that this mailing list is the right place to find such a person, though. -- Niklas Matthies -- Who we are and who we become depends, in part, on who we love. _______________________________________________ mp3encoder mailing list [EMAIL PROTECTED] http://minnie.tuhs.org/mailman/listinfo/mp3encoder
