Hi John, Your description of the PS3 architecture is very detailed and accurate. There is just a small mistake that has slipped that I have noticed. The name of these specialized CPU is SPUs. The main processor is the PPU.
Greetings, Olivier Langlois http://www.olivierlanglois.net > > the DSP things (they call them SPE's) operate on 128 bit chunks which > are two double floats, or two 64 bit ints, or 4 single floats or 4 32bit > ints or 8 16bit... or 16 8bit... Each SPE has 128 128bit registers, > and 256kbyte of local memory which is used for core and data. The ONLY > access the SPE's have to main memory is via a DMA engine, which provides > a globally coherent view of memory and utilizes the host processors > MMU. The SPE's were totally designed for doing stuff like FFT's. > > Each SPE can dispatch up to 2 instructions per cycle at 7 execution > units, with some tricky even/odd pipeline stuff. > > you can now get a Cell in a Blade system module that can be installed in > a IBM BladeCenter... looks like they put two 3.2Ghz Cell's into a double > wide Blade, so you can put 7 of these dual Cells into a 7U chassis (and > probably 4KW of power :D). They have Fedora Core 5 based Linux running > on the Power core which supports SPE programming. > > > _______________________________________________ > Prime mailing list > [email protected] > http://hogranch.com/mailman/listinfo/prime _______________________________________________ Prime mailing list [email protected] http://hogranch.com/mailman/listinfo/prime
