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Sony PlayStation 3

Jan. 12th, 2003 13:13 by sdelucaPermalink | TrackBack: http://deluca.biz/trackback/81 | del.icio.us logoDel.icio.us — exists for 9 years & 4 months ago — Rate:

Sources said that the architecture of the Sony Playstation3 is patently clear when you've found the US patent that it filed September 26th last year. A reliable source close to Sony's plans explained the way the Playstation3 works to the INQUIRER.

He said that the computers are made of cells, each one containing a CPU, which will probably be a PowerPC, and eight APUs (vectorial processors) each with 128K of memory.

It will run at 4GHz, producing a not inconsiderable 256Gflops, with the cells connected to the central 64MB memory through a switched 1024 bit bus.

It's still not clear how many of these "cells" will be used in the Playstation3, but Sony reckoned some time ago it could be as many as one teraflop, probably making it a four cell architecture.

Optical links – perhaps even FireWire optical links – could be used to share computing power.

The Playstation3 architecture is similar to the Playstation 2 but with some improvements, such as a larger number of VPUs, each with more memory. The operating system, too, is much improved.

But Playstations will still be very complex to program well, although it's just as well that Sony doesn't want to take the Microsoft DirectX route.

And here's the relevant US patent.
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Sony PlayStation 3

Jan. 12th, 2003 13:13 by Permalink | TrackBack: http://deluca.biz/trackback/82 | del.icio.us logoDel.icio.us — exists for 9 years & 4 months ago — Rate:  — — Sorry, this content is not available in english.

L'architecture de la Sony Playstation3 devient évidente lorsque l'on se procure le brevet américain qui a été déposé le 26 Septembre 2002. Une source proche du département de la playstation 3 de Sony nous explique son foncionnement.

Elle indique que la console est construite à l'aide de "Cellules", sorte de complexe de calcul autonome, chacune d'elle comprenant un processeur, probablement un IBM PowerPC, huit APUs (processeurs vectoriel servant à calculer de la 3D) et possédant 128Ko de mémoire.

La vitesse de calcul est de 4GHz, permettant à la cellule d'atteindre une puissance de calcul non négligeable de 256Gflops (milliard d'opération en arithmétique flottante par seconde); dans ces conditions, les cellules sont connectés à une mémore centrale de 64Mo via un bus de 1024 bit de large !

Le nombre de cellule sur le PS3 n'est pas encore avéré, mais Sony avait reconnu il y a quelque temps que sa PS3 pouvait atteindre une vitesse de calcul de un teraflop (mille milliard de flops), conduisant ainsi à un nombre de 4 cellules.

Des connexions optiques – peut être même du FireWire – pourrait servir à partager la puissance de calcul disponible.

L'architecture globale de la Playstation3 est similaire à celle de la Playstation 2 avec cependant des améliorations, comme un nombre supérieur de VPUs, possédant chacun plus de mémoire. Le système d'exploitation sera lui aussi nettement amélioré.

Toutefois, les Playstations resteront extrêmement complexe à programmer, quoique c'est précisément ce que à quoi tient Sony : ne pas se rapprocher de la politique de simplification des taches de Microsoft avec son DirectX.

Pour inormation, vous pouvez vous aussi consulter le brevet de Sony en cliquant ici.
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This site supports Apple

Apple makes it easy, hence, as those fine people, switch to Apple right now:
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Ce site encourage Apple

Apple rend les choses simples, donc, comme eux, passez sans tarder sur apple.fr :
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