It is EXTREMELY difficult to see how the fine grained control of
transactional memory that is available with the full cell will be
available with this "spe's hung on a Core 2". The first article even
got it wrong, calling this a core 2 quad (from the remarks that followed
right after calling it core 2 duo).
Of course, this will not burn a hundred watts to run the six spe's (not
8 like the first article says) in the PS3 but I suspect that the
penalties for having this subset are larger than are immediately
apparent. Having an EIB is nice but having no IO path (such as would
exist on a laptop) to get really high speed data into them seems likely
to not be there. Almost certainly it will not have a capable
northbridge to accomplish the high speed IO.
Bob
Eric Blossom wrote:
On Fri, Jan 11, 2008 at 09:33:48AM -0800, Matt Ettus wrote:
Cell processor in a laptop at CES...
http://crave.cnet.co.uk/video/0,139101587,49295004,00.htm
The article doesn't quite get it right (no surprise there)...
The SpursEngine is a media coprocessor that has 4 SPEs in it and
dedicated h/w for MPEG-2 and H.264.
No PPC, not a "Cell Broadband Engine"
This article seems a bit more grounded:
http://techon.nikkeibp.co.jp/english/NEWS_EN/20071017/140756/
Eric
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