[mpich-discuss] Adding a client on the fly

[Dave Goodell]

Don't use MPD: http://wiki.mcs.anl.gov/mpich2/index.php/Frequently_Asked_Questions#Q:_I_don.27t_like_.3CWHATEVER.3E_about_mpd.2C_or_I.27m_having_a_problem_with_mpdboot.2C_can_you_fix_it.3F

If you want to add/remove processes from a computation, you can try writing your program to use MPI-2 dynamic process support (MPI_Comm_spawn/accept/connect/etc).

-Dave

On Jan 23, 2011, at 7:28 AM CST, Eugene N wrote:

> Hello
> 
> 
> Is it possible to add a computer with mpich2 client application to a already estavblished mpd ring, and could it join the computations in its own time?
> 
> PS: and how do i actually kick a computer out, while we are on the subject.
> 
> PPS: i would like to know more about mpd controll - how can a server stop all its client nodes??
> 
> Sorry for my messy style, i just spend a night with gdb
> 
> 
> Eugene
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