[Beowulf] MPI list of free nodes

[Toon Knapen]

Dierks Michel wrote:
> Hello,
> 
> I'm actually busy to develop an application to calculate the Mandelbrot
> fractals.
> I'm using a Beowulf cluster of three nodes and a master.
> I use MPICH as communication library.
> 
> In my application, I send one line of the complex plan to one node.
> Before that I must know which node are free to work.


Well I suppose each node will send its results back to the master. So 
the master can probe if the result was send to it.

toon