[Radiance-general] Running parrellel processes in ubuntu

[Jack de Valpine]

Hi Matthew,

I believe that the -N option of rad will start multiple instances of 
rpict, with each instance working on a different view (ie NOT parallel 
processing on the same view). So if the rad file that you have only has 
one view then using -N 2 will not accomplish anything.

If your intent is to distribute one image (view) over multiple cores 
then you will need to look into rpiece.

Regards,

-Jack de Valpine

M. Brugman wrote:
> Hi all!
>
> I've finally got my ubuntu partition in working order with Radiance 
> installed and ready to go. Unfortunately, my office only had a dual 
> core machine available for my use, so I need to get Radiance running 
> some parallel processes on the two cores. I've been reading up on the 
> -N option for rad, but whenever I use "-N 2" as a parameter, only one 
> of the cores is running rad. Does the -N option actually work, or do I 
> need to use rpiece for running radiance on both processors.
>
> Thanks,
> Matthew Brugman
>
>
>
>
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