All,
> The CELL has one "Power Processor Element" ("PPE"), and several
> "Synergistic Processing Elements" ("SPE"). While the PPE is "a two-way SMT
> multithreaded Power 970 architecture compliant core", the SPEs are not, and
> would not run PPC-based code. The PPE would have to load each SPE with
> SPE-specific code in a coprocessor fashion, so I would doubt that it would
> perform as a 8-way SMP machine.
Plain and simple --the vast majority of Linux apps will not take advantage of
the SPEs. The Cell is neither a traditional multi-core nor a collection of
DSPs. Special compile time libraries and some pretty serious re-coding are
required to take advantage of the 6 available SPEs.
At boot, YDL shows 2 PPUs (one real, one a hyperthread) and 6 SPEs ... but to
take advantage of them is another story.
kai
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