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#1
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![]() Maniac Member ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 813 Joined: 22-Jul 02 From: Coyote - FR Member No.: 6,130 ![]() |
hello,
J'ai eu le plaisir de palper du nouveau MacPro 8 coeurs/64giga de ram / 2 cartes D700 Logic X développe une puissante absolument surprenante. Le test en image sur www.yakyakyak.fr des Lundi 13 ! Asseyez-vous et mettez un casque de moto, la claque arrive ! ![]() -------------------- |
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#2
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![]() Hero ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 1,276 Joined: 07-Nov 03 From: La Cité Radieuse - FR Member No.: 28,427 ![]() |
La grande différence entre les cartes graphiques du macpro sont la puissance GPU. La lecture quicktime ne tire absolument pas partie de ces processus d’accélération.
Même avec la carte d'entrée de gamme aucun soucis avec Logic... En revanche, c'est le débit du disque depuis lequel est lue la vidéo qui est important. Compter environ 180 mo/s de débit nécessaire pour lire un quicktime animation en HD 4:2:2 par exemple. Si les disques sont sollicités pour du gros stream type banque orchestrale, c'est le débit des disques qui sera bloquant pour une lecture simultanée d'un film peu compressé, pas la carte graphique. Pour la décompression temps réel du H264 par exemple, c'est la puissance CPU qui compte. Pour une grosse config musique, il est préférable de privilégier le nombre et la puissance des coeurs CPU, ainsi que les débit disques. Mieux vaut donc acheter des tours pegasus Thunderboldt 2 que des cartes graphiques... Parce que le 1to en SSD du macpro n'est malheureusement pas suffisant pour accueillir nos larges collections... -------------------- |
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