[Haskell-cafe] Can Haskell outperform C++?

Roman Werpachowski roman.werpachowski at gmail.com
Thu May 17 12:07:37 CEST 2012

> From: "Richard O'Keefe" <ok at cs.otago.ac.nz>
> Subject: Re: [Haskell-cafe] Can Haskell outperform C++?
> To: Haskell Cafe <haskell-cafe at haskell.org>
> Message-ID: <5F6605A2-DFE0-4AEA-9987-3B07DEF34C42 at cs.otago.ac.nz>
> Content-Type: text/plain; charset=us-ascii
> On 17/05/2012, at 2:04 PM, Gregg Lebovitz wrote:
>> Richard,
>> Thank you. This is an example of what I had in mind when I talked about changing the playing field. Do you have a slide deck for this lecture that you would be willing to share with me? I am very interested in learning more.
> No slide deck required.  The task is "generating alternating permutations".
> Method 1: generate permutations using a backtracking search;
>          when a permutation is generated, check if it is alternating.
> Method 2: use the same backtracking search, but only allow extensions
>          that preserve the property of being an alternating permutation.


what makes Method 2 so much harder than Method 1 to implement in C or C++?


More information about the Haskell-Cafe mailing list