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Forum: OpenFOAM Running, Solving & CFD

August 10, 2007, 17:10

Replies: 5

Two instances of lamd

Views: 1,279

Posted By msrinath80

I'm pretty sure of one thing t

I'm pretty sure of one thing though. One instance of the LAM daemon (lamd) cannot support two separate MPI instances. Otherwise I wonder why would they provide for a LAM_MPI_SESSION_SUFFIX variable? ...

Forum: OpenFOAM Running, Solving & CFD

August 10, 2007, 16:36

Replies: 5

Two instances of lamd

Views: 1,279

Posted By msrinath80

Quick question... what happens

Quick question... what happens if you have a 4 CPU machine, and you run lamboot once...

And then, run "mpirun -np 2 ......." two times? Wont the Linux kernel automatically assign two processors...

Forum: OpenFOAM Running, Solving & CFD

August 10, 2007, 15:12

Replies: 5

Two instances of lamd

Views: 1,279

Posted By msrinath80

Got it. Using varying values o

Got it. Using varying values of the environment variable LAM_MPI_SESSION_SUFFIX before running lamboot.

Forum: OpenFOAM Running, Solving & CFD

August 10, 2007, 14:58

Replies: 5

Two instances of lamd

Views: 1,279

Posted By msrinath80

Is it possible to have two ins

Is it possible to have two instances of lamd on one 4 CPU machine (for instance). Then one could run two 2-CPU jobs independent of each other.

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