Kent A. Reed wrote: > On 1/2/2012 10:35 PM, Jon Elson wrote: > >> gene heskett wrote: >> >>> Is anyone running emc on this? How is the latency? >>> >> I've tested the Intel D525MW motherboard, and put it in the database. >> The servo thread jitter was 15595, the base thread was 11921. >> That is fine for any system with a hardware interface (servo or >> stepper) but may be a little marginal for software step generation. >> Since I'm a servo bigot, it was quite good for me. The on-board >> parallel port passed all the tests with my EPP devices. EMC 2.4.x >> with Ubuntu 10.04 loads and runs with no quirks at all. I did the >> install on a 16 GB SSD "hard" drive. >> >> Jon >> > Jon: > > This is a multi-cpu board. Did you set the isolcpus boot parameter? > > No, I did not. But, these numbers are just FINE with hardware assist, which all my systems have. > The reason I ask is IIRC I got similar numbers with a standard boot from > the LiveCD on my ASUS board and saw them drop below 10000 when I set > isolcpus=1. > > This may be a false memory (I did the tests last winter) and I'm away > from the board at the moment. I'll do the tests again in the morning and > this time I'll post the results on the Wiki. > No, I will bet you are right.
Jon ------------------------------------------------------------------------------ Write once. Port to many. Get the SDK and tools to simplify cross-platform app development. Create new or port existing apps to sell to consumers worldwide. Explore the Intel AppUpSM program developer opportunity. appdeveloper.intel.com/join http://p.sf.net/sfu/intel-appdev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
