[mpich-discuss] Hydra issues

[Scott Atchley]

On Aug 26, 2009, at 3:39 PM, Pavan Balaji wrote:

>>> However you could use one of the various workarounds for this,  
>>> such as an LD_PRELOADed setvbuf call: http://lists.gnu.org/archive/html/bug-coreutils/2008-11/msg00164.html
>> This does not change the behavior.
>> I am still stumped as to why there is no delay when using  
>> persistent (launch-mode=2) versus a delay with no proxies (launch- 
>> mode=1).
>
> This works for me. We need to figure out how to make this portable  
> now.
>
> -- Pavan

Thanks for your persistence (no pun intended).

When running with 1,024 ranks, launching via MPD can take several  
minutes. I am assuming that hydra will launch in seconds.

Scott