Re: [Haskell-cafe] x86 code generation going wrong?

8 Jan 2006

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From: dons@cse.unsw.edu.au (Donald Bruce Stewart)
To: Branimir Maksimovic 
CC: haskell@list.mightyreason.com, 
bts@alum.mit.edu,haskell-cafe@haskell.org
Subject: Re: [Haskell-cafe] x86 code generation going wrong?
Date: Mon, 9 Jan 2006 11:15:51 +1100
bmaxa:
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From: Chris Kuklewicz 
To: bts@alum.mit.edu, Haskell Cafe 
Subject: Re: [Haskell-cafe] x86 code generation going wrong?
Date: Sun, 08 Jan 2006 20:33:57 +0000
Brian Sniffen wrote:
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The first couldn't even complete on my 2.26 GHz Celeron! It's only
got
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512 MB of RAM,  which may be part of the problem.
I should not leak memory but it may be an optimization problem.
Try explicitly using "ghc -O2 -funbox-strict-fields".
On p4. 2.4 ghz 512mb first example takes about 2.5 mb of ram.
I've compiled explicitelly with -O2, because without optimisations it 
takes
ridicilously large amount of RAM.
I've changed {# OPTIONS to OPTIONS_GHC as Bulat sugested
but still no effect. Options have to be specified on command line in
order to work.
Ensure that the {-# OPTIONS ... #-} lines is the *first* line of the
file, and that no comments precede it.
Aaah, I didn't knew that. Now this works, thanks!

Greetings, Bane.

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