Also even though your base system has 3GB of ram, that doesn't mean all of it's actually devoted to the virtual machine.  I haven't used the newest version of VMWARE, but there's a way to specify how much ram the virtual machine uses.  If you go to a shell, and hit "top" you can potentially see how much system ram is available.  Another even easier way is to "reboot" the virtual machine, and as it does it's reboot you can see how much ram the virtual machine "thinks" it has.


dg

On 9/27/07, Roman Loonis <[log in to unmask] > wrote:

I have not used a "nice" command and I have 3 gb of ram. I am, however, running bedpostx on vmware which is installed on windows. Maybe that installation has limited the usage of the CPU by bedpostx? Thanks for the rapid reply,

 

Roman

 

On 9/27/07, David Gutman <[log in to unmask] > wrote:

At least on my system, bedpostX uses 100% of the CPU--   How much ram is in your system?  Unless there's something weird with your installation ( i.e. your computer thinks you have 4 CPU's and you really only have one), it should be using 100% of a cpu, unless you have put "nice" in front of the probtrackX command have other things running.

The other possibility is that you don't have enough ram, so your CPU usage is capped by the process of disk swapping-- normally bedpostX requires about 1.5 GBS of ram (depending on your data set) to run efficiently.


dag

On 9/27/07, Roman Loonis <[log in to unmask] > wrote:

I would like to know if I could increase the load bedpostx takes on my CPU
from 25% to more like 75%. It is a single processor computer, but I would
just like to increase the amount of the processor that is dedicated to
bedpostx. Thank you,

Roman

--
David A Gutman, M.D. Ph.D .
Department of Psychiatry & Behavioral Sciences
Emory University School of Medicine

--
David A Gutman, M.D. Ph.D.
Department of Psychiatry & Behavioral Sciences
Emory University School of Medicine