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On Thu, 12 Feb 2009 06:20:28 -0800, Mark Knecht wrote: |
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> > You have more aggressive flags on the failing machine, have you tried |
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> > using the more conservative (less ricey) flags? |
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> I have not and intend to do that today. The flags have been set like |
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> this since 2003 so I'm surprised that it might be something like this |
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> but it's clearly possible. |
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> |
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> I'm unqualified to say what part of the differences is making this set |
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> more aggressive. Line by line what's your opinion? |
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> |
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> -O3 vs -O2 ? |
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Not much difference. |
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> -march=athlon-xp vs -march=i686 |
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The former is better, providing you're using an AthlonXP. |
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> -funroll-loops |
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You only have to look at http://funroll-loops.org/ to know this is a bad |
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option... |
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> not using -fomit-frame-pointer |
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That's pretty safe, the frame-pointer isn't much use anyway if you're |
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compiling without debug symbols, which most build do by default. |
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> Strange taht after 6-years this would come up but stranger thing happen. |
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Indeed. |
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-- |
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Neil Bothwick |
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Obscenity is the crutch of inarticulate motherfuckers. |
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