[MPICH] Response too slow! running "mpiexec -n 5 cpi"

[Ralph Butler]

That's quite interesting.  Can you elaborate on what was the exact  
problem in
the /etc/hosts files?  We may need to enhance mpdcheck with some new  
tests.
Thanks.
--ralph

On TueAug 15, at Tue Aug 15 1:47AM, 章少衡 wrote:

> From Ralph's mention :
> I have tried running this pgm on a couple of custers and could not
> reproduce the problem, i.e. all stderr print appears instantly.
>
> I remembered some hosts were not set up by myself.
> Hence, i divided them into 2 groups according to the constructors.
> Then tested "mpiexec -n 4 cpi" again.
> The first group could run "mpiexec -n 4 cpi" very quickly.
> However, the problem i stated still happened on the second group of  
> hosts.
> After corrected /etc/hosts in the hosts of the second group, two  
> groups can response very quickly.
> i will continue the other test...
>
> Thank everyone who ever thought about my question.
>
>
>