On Wed, 2010-09-22 at 12:05 -0400, Kent A. Reed wrote: > Don Stanley said, in part: >
> The user's perception of the speed and responsiveness of these machines > has almost nothing to do with the qualities we need in real-time > control. The qualities we need for real-time control have been designed > out of these machines almost inadvertently as other goals are being > pursued with new, "improved" multi-core, multi-threading CPUs with their > new, "improved" North and South Bridges, new, "improved" power > management, and all the other hardware paraphernalia. Old, "un-improved" > Pentiums end up looking very good when your foremost goal is consistent, > low latency. > > I feel your pain and I know that trying to explain why you have it > doesn't make it go away. A lot of us on this mail list and its companion > developers list have been hoping/struggling/arguing to find a path > forward that minimizes the pain. There's been little enough joy so far. > > On the positive side, once you get a platform that does function well > with Linux/RTAI, then you have EMC2 and all that this implies. > > Regards, > Kent > > PS - sorry, all, for my recent faux pas with my email subject lines. > When it's been too long since my last cup of coffee, I tend to not to > check closely enough before clicking "send". > > Good post. Sorry to have snipped so much of it but... All of the above is what makes the ARM/Beagle-board port so attractive. We don't need blazing speed, just blazing interrupt response and context switching. Dave > > ------------------------------------------------------------------------------ > Start uncovering the many advantages of virtual appliances > and start using them to simplify application deployment and > accelerate your shift to cloud computing. > http://p.sf.net/sfu/novell-sfdev2dev > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing. http://p.sf.net/sfu/novell-sfdev2dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
