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

[C K Kashyap]

Hey John,
The language you are working on - is it a EDSL in Haskell? If not, had you
considered such an option?

On Thu, Aug 5, 2010 at 8:11 PM, Job Vranish <job.vranish at gmail.com> wrote:

> Yeah Atom is pretty slick, though unfortunately it's not quite powerful
> enough for much of the stuff that we do.
>
> John Van Enk and I are actually working on a language that's similar to C
> (and compiles to C), but has polymorphism, type inference and other goodies.
> The goal is to make working on embedded systems a bit less painful, while
> still being able to do anything that C can do (like run on an 8 bit micro).
> Hopfully, if things go as planned, we'll have a working beta out by the end
> of the month :)
>
> - Job
>
>
> On Wed, Aug 4, 2010 at 5:58 PM, Don Stewart <dons at galois.com> wrote:
>
>> job.vranish:
>> > + 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:
>>
>>    http://hackage.haskell.org/package/atom
>>
>
>
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>


-- 
Regards,
Kashyap
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