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Re: [Haskell-cafe] Parallel foldl doesn't work correctly

Subject: Re: [Haskell-cafe] Parallel foldl doesn't work correctly
From: Michael Lesniak
Date: Sat, 12 Dec 2009 10:56:07 +0100
Hello,

> This compiles and if I monitor my CPUs it starts to use both cores, but
> after approx 10 seconds, one core drops to low rate (I'm using a 2 core
> machine).
Just a shot in the dark: what OS are you using? I have had some
problems with GHC 6.10.4 and Ubuntu Karmic Koala{1[, which are fixed
for me in GHC 6.12 RC1.

- Michael

[1] 
http://www.mlesniak.com/2009/12/01/ghc-6-12-rc1-and-ubuntu-9-10-karmic-koala/
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