[Haskell-cafe] Need help - my haskell code is over 50 times slower than equivalent perl implementation

Tom Ellis tom-lists-haskell-cafe-2013 at jaguarpaw.co.uk
Tue Jun 24 16:53:29 UTC 2014

On Tue, Jun 24, 2014 at 10:16:03PM +0530, C K Kashyap wrote:
> Does mapM work for you? Don't you run into too many files open error?

It works.  No error.  But is slower that your mapMI.  Undoubtedly there is a
method that is better than `unsafeInterleaveIO` and `mapMI` in terms of both
performance and conceptual coherence.

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