[Radiance-general] ranimat HOST setting

[Jack de Valpine]

Hi Lars,

The case you give below will start 2 processes on localhost from the 
directory ~/example for the user name lars. On a normal system (eg non 
openmosix) this would start rpict processes with the -PP option enabled 
to share memory (as indicated in the man page). However in your case 
this is a problem with openmosix. Not sure what a good solution is. You 
could try breaking your animation down into a set of separate sequences 
and have sepearte ranimate files for each. Then you might be able to use 
the "runon" command from openmosix. to specify where (what node number 
in the cluster) each job should be started. I cannot remember though if 
runon locks the processes to the indicated node in the cluster or still 
allows for migration from the node. You may need to figure out how to 
force the processes not to migrate.

-Jack


Lars O. Grobe wrote:

> Hi,
>
> I am wondering what exactly happens if I give a host-setting like this 
> to ranimate:
> host=localhost 2 ~/example lars
>
> Will this start rpict three times (so that there are three independent 
> processes), or will they share memory?
>
> The background: I am using openmosix to cluster, and this doesn't 
> support the shared memory feature, so I usually simply start rpict 
> three times. The processes are migrated than to other hosts.
>
> A, yes, I have the same question for rad -N ...
>
> TIA*CU, Lars.
>
>
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