Dave Houghton wrote: > Jon wrote > > Because the latency test is a realtime application, and so is EMC2. You > can't run two realtime apps a the same time. > > Regards. > > John Kasunich > > > Hi John > > Thanks John. So these computer's are not as good as they think they are! > You CAN, actually, run two, or many, real-time applications at the same time. But, they WILL interfere, to some extent. If the plan is to have EMC using up most of the available CPU time, as is needed with software step generation, then any other real-time app. will probably ask for more than 100% of the available CPU cycles. A version of EMC set up for servo control at a 1 KHz update rate uses far less CPU cycles, so it might coexist with some other fairly heavy use. I find about a 10% overall load on a 600 MHz Pentium with my servo interface boards and their driver for EMC, for instance.
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