"The ability to use the RSX [the PS3's graphics processor] to draw your pixels on the screen, then you use the Cell to do gameplay and animations-we kind of took the step of using the Cell process to help the RSX . All those things are done on the Cell processor," he explained

It really helps us getting that quality of lighting per pixel; the amount of computation is pretty crazy

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原帖由 keeperX 于 2009-8-31 04:24 发表

可以同时操作显存和系统内存啊，带宽当然大了。
360上如果CPU和GPU都需要操作内存，需要仲裁和缓冲。不过由于有10M的内嵌显存，这个问题减轻了不少。