--- On Mon, 12/14/09, M Xyz <functionallyharmonious@yahoo.com> wrote: From: M Xyz <functionallyharmonious@yahoo.com> Subject: Re: [Haskell-cafe] ANN: Hemkay, the 100% Haskell MOD player To: "Patai Gergely" <patai_gergely@fastmail.fm> Date: Monday, December 14, 2009, 5:50 PM --- On Mon, 12/14/09, Patai Gergely <patai_gergely@fastmail.fm> wrote: Also, the actual mixing (limited to the mixChunk function) is embarrassingly slow, and I wonder how much it could be improved without leaving the pure world. The program uses Portaudio for playback... Patai, I asked a similar question about a week ago, inquiring about efficient buffers for audio. I got a good response: http://thread.gmane.org/gmane.comp.lang.haskell.cafe/67258/focus=67293 Working with immutable trees instead of arrays still freaks me out, but page 289 of RWH actually made me feel a little better about it. :)