I beleive from a Cell presentation I saw last fall that the PS3 runs processors with one defective SPE (seconds I guess to cut costs) which is why there are not 8 showing up at boot time. I am guessing that only an even number SPEs can be activated. Dave
--- Kai <[EMAIL PROTECTED]> wrote: > I'm not sure, but I think the two you are talking > about are not SPUs, > these are the virtual cores of the PPE. I read that > the PPE has a > virtual dual core like Intels hyperthreading. I > suppose that the system > monitor isn't specialised for the CELL CPU and does > not know about the SPUs. > > If you boot your YDL you see 6 icons below the two > YDL logos. IMHO the 2 > dogs represent the two virtual cores of the CELLs > PPE and the icons > represent the 6 SPE/SPUs. This makes me think you > can use the SPUs in > your programs to optimize them to improve their > performance. > > There must be a pseudo filesystem mounted to access > the SPUs have a look > at your "/". > > Haven Sole schrieb: > > well 6 is still great. forgive my ignorance, but > does it already have access > > to those, or is it just the 2 that the system > monitor shows? > > ----- Original Message ----- > > From: "Kai" <[EMAIL PROTECTED]> > > To: "Discussion List for General Yellow Dog Linux > User Topics" > > <[email protected]> > > Sent: Thursday, June 14, 2007 11:38 AM > > Subject: Re: [ydl-gen] Terra Soft Unifies Power > Ecosystem with YDL > > v5.0.2:Announcement 14 June 2007 > > > > > >>> Will this version take full control of the PS3's > 8 cell PCU's? > >> As far as I know, the PS3 only uses 7 of the 8 > SPUs and the hypervisor > >> of the host system only provides access to 6 of > them for guest systems. > >> Therefore it is not possible to make use of all 8 > SPUs in linux. > >> _______________________________________________ > >> yellowdog-general mailing list > >> [email protected] > >> > http://lists.terrasoftsolutions.com/mailman/listinfo/yellowdog-general > >> HINT: to Google archives, try '<keywords> > site:terrasoftsolutions.com' > >> > > > > _______________________________________________ > > yellowdog-general mailing list > > [email protected] > > > http://lists.terrasoftsolutions.com/mailman/listinfo/yellowdog-general > > HINT: to Google archives, try '<keywords> > site:terrasoftsolutions.com' > > _______________________________________________ > yellowdog-general mailing list > [email protected] > http://lists.terrasoftsolutions.com/mailman/listinfo/yellowdog-general > HINT: to Google archives, try '<keywords> > site:terrasoftsolutions.com' > Get a sneak peak at messages with a handy reading pane with All new Yahoo! Mail: http://mrd.mail.yahoo.com/try_beta?.intl=ca _______________________________________________ yellowdog-general mailing list [email protected] http://lists.terrasoftsolutions.com/mailman/listinfo/yellowdog-general HINT: to Google archives, try '<keywords> site:terrasoftsolutions.com'
