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[Cflags] Intel Xeon X3330 (Résolu)
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igguk
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PostPosted: Mon Dec 01, 2008 10:59 am    Post subject: [Cflags] Intel Xeon X3330 (Résolu) Reply with quote

Bonjour,

J'ai commandé un nouveau petit serveur DELL PowerEdge T100 avec ce proc :
- Quad Core Intel® Xeon® X3330 2.66GHz, 2x3M Cache, 1333MHz FSB

Ma question concerne les Cflags
CHOST="x86_64-pc-linux-gnu"

Que doit je mettre ensuite : CFLAGS="-march=nocona -O2 -pipe"
ou CFLAGS="-march=core2 -O2 -pipe"

Le proc est assez récent et je ne trouve pas d'exemple...
Merci.


Last edited by igguk on Mon Dec 08, 2008 1:35 pm; edited 1 time in total
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xaviermiller
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PostPosted: Mon Dec 01, 2008 11:43 am    Post subject: Reply with quote

Code:
-march=native -mtune=native

marche à tous les coups avec GCC >= 4.3 ;)
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Xavier Miller
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igguk
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PostPosted: Tue Dec 02, 2008 8:50 am    Post subject: Reply with quote

Merci, je vais essayer avec ce cflags
Code:
CFLAGS="-march=native -mtune=native -O2 -pipe"

Je doit la recevoir aujourd'hui, je l'installe en suivant.
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xaviermiller
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PostPosted: Tue Dec 02, 2008 10:08 am    Post subject: Reply with quote

Ok, il faudra juste vérifier que la version GCC du stage 3 supporte bien "native" ;)
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igguk
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PostPosted: Tue Dec 02, 2008 4:44 pm    Post subject: Reply with quote

La version GCC du stage 3 ne supporte pas "native", c'est la 4.1.2
J'ai donc utilisé
Code:
CFLAGS="-march=nocona -O2 -pipe"

Merci.
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