[Haskell-cafe] real-time audio processing [Was: can Haskell do everyting as we want?]

Don Stewart dons at galois.com
Wed Aug 4 17:58:15 EDT 2010

> + 1
> This is probably the biggest obstacle to using Haskell where I work. (Aviation
> industry, software for flight management systems for airplanes)
> We often need to perform some computations with hard deadlines, say every 20ms,
> with very little jitter.
> Major GC's spoil the fun; It's quite easy to have a major GC take longer than
> 20ms, and currently they are not "pauseable" (nor is it trivial to make them
> so).
> It would be very nice to have some annotation/DSL/compiler-flag that would let
> me run a small block of mostly regular haskell code under hard, real-time
> constraints.
> Hmm, it looks like the HASP project is working on some of this, though I'm not
> sure how portable their work is back to GHC: http://hasp.cs.pdx.edu/

Or look at EDSLs, like Atom:


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