11-27-2012, 02:32 AM -
Well what I'm trying to say is :
xbox 360 can run up to 6 programs in parallel (all cores share the same big main memory).
ps3 can only run up to 2 programs through its PPE in parallel. Its 6 SPUs (minus one used for OS and one being deactivated if not defective) cannot run a big program as PPE can. You can only tell SPU to execute an algorithm on a limited set as a task. SPU is quite similar to GPGPU in the way to program them. You cannot run Firefox on a SPU for instance.
So if we want to compare the 6 logical processors of XBOX360, it must be with the 2 logical processors of PS3 due to its PPE. Its SPUs are as if we had another graphics card with core dedicated to general computation, not specifically for graphics rendering. People may think PS3 is more powerful but they are wrong. SPU has their strongness but their weakness too which make the portability of a game pretty hard on PS3 because of the oddity of SPU compared with the more general archictectures of PC, XBOX 360 and Wii (multi-core CPU).
xbox 360 can run up to 6 programs in parallel (all cores share the same big main memory).
ps3 can only run up to 2 programs through its PPE in parallel. Its 6 SPUs (minus one used for OS and one being deactivated if not defective) cannot run a big program as PPE can. You can only tell SPU to execute an algorithm on a limited set as a task. SPU is quite similar to GPGPU in the way to program them. You cannot run Firefox on a SPU for instance.
So if we want to compare the 6 logical processors of XBOX360, it must be with the 2 logical processors of PS3 due to its PPE. Its SPUs are as if we had another graphics card with core dedicated to general computation, not specifically for graphics rendering. People may think PS3 is more powerful but they are wrong. SPU has their strongness but their weakness too which make the portability of a game pretty hard on PS3 because of the oddity of SPU compared with the more general archictectures of PC, XBOX 360 and Wii (multi-core CPU).