[mpich-discuss] Hydra issues

[michael bane]

On 27 Aug 2009, at 22:43, Pavan Balaji wrote:

>
>>> The first one is an MPI application, so the output should get  
>>> printed as it's generated. The second one is not using MPI, so the  
>>> output should get buffered till the end.
>> Yes, it works as you describe.
>
> Ok, now I'm totally confused. I just tried IMB-3.0 and the output  
> gets printed as it is generated. So, what are we doing differently?  
> I tried 1.1.1p1 and that worked fine as well.
>

If IMB is the Intel MPI Benchmarks then I'd just say I'm unconvinced  
this suite is as robust as one would think. I'd have to dig out the  
details but I do remember pulling out hair over its 'time' mis-behaviour

M