Ok, This is what I've found so far.
Board: BOXD2700MUD (from Newegg)
2g Memory (came with board)
Sata 750g HD
VGA monitor running 1024x768
LinuxCNC 2.5 on Ubuntu 10.04 (installed from Live CD)
Running the Latency test from the gui menu with Firefox and 2 sets of
glxgears running I got.
With no adjustments out of the box:
Jitter on servo thread of 22000
Base thread of 33000
A little disappointing.
Rebooted and turned off hyperthreading:
Jitter on servo thread of 19000
Base thread of 22000
A little better.
Set up isolcpus=1 as per
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?The_Isolcpus_Boot_Parameter_And
_GRUB2 and with hyperthreading still turned off, and things got a whole
lot better.
Jitter on servo thread of 9300
Base thread of 9600
But it's only been running 15 min or so.
At first it was as low as 2200&3500 and I thought wow this is really
good but dragging things to other desktops bumped it up. All in all I
think it will be quite serviceable for our purpose.
I will play with the bios settings some more when I have a little more
time.
Todd Zuercher
P. Graham Dunn Inc.
630 Henry Street
Dalton, Ohio 44618
Phone: (330)828-2105ext. 2031
--
P. Graham Dunn
Phone: 330-828-2105
E-mail: to...@pgrahamdunn.com
630 Henry St.
Dalton, OH 44618
www.pgrahamdunn.com
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