On Wed, Jan 18, 2006 at 08:54:43PM +0300, Bulat Ziganshin wrote:
> sorry, with the "gcc -O3 -ffast-math -fstrict-aliasing -funroll-loops"
> the C version is 50 times faster than best Haskell one... it's the
> loop from C version:

I believe something similar to what I noted here is the culprit:
http://www.haskell.org//pipermail/glasgow-haskell-users/2005-October/009174.html

it is fixable, but not without modifying ghc.
        John

-- 
John Meacham - ⑆repetae.net⑆john⑈ 
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