Hi Patrick,

Dnia 2013-07-03, śro o godzinie 15:20 -0400, Patrick Mylund Nielsen
pisze:

> The short answer is no. This is Haskell's biggest weakness: it's
> difficult to predict space usage.
>
>
> The longer answer is "kind of" -- you can't exactly intuit it, but the
> profiler is easy to use:
>
>
> http://book.realworldhaskell.org/read/profiling-and-optimization.html
>
> http://www.haskell.org/ghc/docs/7.6.2/html/users_guide/prof-heap.html
>
>
>
> The only caveat is you have to reinstall your libraries with profiling
> enabled: http://stackoverflow.com/questions/1704421/cabal-not-installing-dependencies-when-needing-profiling-libraries
>
>
> (If I've already installed some packages, usually I take the quick and
> dirty route and just set library-profiling to True, delete ~/.ghc to
> clear the package list, then install my package.)
>

  Thank you for such a quick response. I know all that profiling
'stuff'. So, I will put it this way: is there a chance, that I will be
able to predict performance after some time of profiling my code?

Best regards,
Emanuel



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