[MPICH] any way to ask nemesis to turn-off and turn of active polling ?

[Darius Buntinas]

No, there's no way to do that.  Even MPI_Barrier will do active polling.

Are you having issues where an MPI process that is waiting in a blocking 
call is taking CPU time away from other processes?

-d

On 12/14/2007 04:53 PM, chong tan wrote:
> My issue is like this :
>  
> among all the processess, some will get to the point of first MPI 
> communication points faster than
> than other.  Is there a way that I tell nemesis to start without doing 
> active polling, and then turn
> on active polling with some function ?
>  
> Or should I just use MPI_Barrier() on that ?
>  
> thanks
> tan
>  
> 
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