On 10/16/2011 7:41 PM, Peter C. Wallace wrote: >>> >> Peter, >> >> Is there any reason not to open up the stepgen limits on accel and >> velocity so they cannot possibly be a limiting factor? Make them >> 1.0EE6 or so? >> >> Dave >> > Yes, in some very specific situations, the current stepgen driver has > some pathologies when its has unlimited acceleration and velocity limits > I believe the problems are triggered by differences in the hardware clock and > the computers thread rate and also by large amounts of jitter on the servo > thread. These problems seem to go away when reasonable values of stepgen > maxaccel and maxvel are used (I think its most likely that maxaccell is the > sensitive parameter) > > >
OK, that is good to know. Dave ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity and more. Splunk takes this data and makes sense of it. Business sense. IT sense. Common sense. http://p.sf.net/sfu/splunk-d2d-oct _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
