On Wed, Feb 19, 2014 at 9:36 AM, Charles-Pierre Astolfi <cpa@crans.org> wrote:

So there's a difference, but I'm not sure if it's related to my algorithm or related to IO/RTS.

Text.Printf is slower than the C version (and uses String). Use Data.ByteString.putStr instead.

--
Gregory Collins <greg@gregorycollins.net>

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