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On Sun, Jan 25, 2004 at 12:18:56PM +0000, Tom Martin wrote: |
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> Hello all, |
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> |
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> Without wanting to become flame bait at all.. I'd just like to know why |
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> -O3 is the default (commented) -O in make.conf, even for x86 stage |
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> tarballs (I don't really know about the stageballs on other |
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> architectures). Although the usefulness / harm of this flag has been |
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> discussed to death, on the vast majority of x86 /desktop/ machines I |
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> don't really think this flag is that suitable, and I know many agree. |
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> |
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> The reason I ask is because many people who didn't really change the |
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> default flags beyond setting -march have come on #gentoo or on the |
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> forums unsatisfied with performance of Gentoo, and there are also |
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> several packages that still won't compile with -O3. |
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> |
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> As a default for x86, wouldn't -O2 be more suitable? My personal |
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> viewpoint is that if you want to set -O3 on x86, go ahead. But if you |
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> do, you should know why you want to do it, and what affects it will |
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> have. Many beginners who haven't really got their heads around CFLAGS |
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> will possibly read somewhere that -O3 gives the most optimisation and be |
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> sold there and then. |
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> |
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I agree. Could you please file a bug about this if there isn't one |
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already and post the bug number here? |
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-- |
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Jon Portnoy |
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avenj/irc.freenode.net |
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-- |
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