[Haskell-cafe] Re: Efficient signal processing

Henning Thielemann wrote:

The program is compiled with GHC-6.4 and option -O2, CPU clock 1.7 GHz.

ByteString is much faster with GHC 6.6, IIRC. We optimised the representation of ForeignPtr, and ByteString takes advantage of that. I recommend upgrading. Cheers, Simon