[Haskell-cafe] the last mile in haskell performance

[David Kraeutmann]

This might be of interest to you:
https://hackage.haskell.org/package/structs


On 11/12/2015 6:49 PM, Alberto G. Corona wrote:
> Looking at this:
>
> https://downloads.haskell.org/~ghc/6.12.3/docs/html/users_guide/primitives.html
>
> It seems that it is impossible to manage data in Haskell within a core
> without L1 cache faults. Except for unboxed arrays of primitive types.
>
> Since it is impossible to have unboxed arrays of user-defined types.
>
> Am I right?
>
> This is definitively very bad for tasks that are inherently single threaded
> and in general for the image of Haskell as a practical language.
>
> I have more to say about that, but I would like to know first if I´m right
> and second If there is some idea to going on to permit user defined boxed
> datatypes.  Or if there is some low level trick for having it using foreign
> call and unsafeCoerce in some way,
>
> I know that the language ATS has unboxing a la carte....
>
>
>
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