[mvapich-discuss] x86 and IBM QS22 blades together

[Dhabaleswar Panda]

> Hello,
>
>   is it possible to use x86-nodes and QS22 blades in an heterogeneous cluster?

We have not tried this combination. However, MVAPICH supports
heterogeneous architecture and it should work.

> In the manpage I found:
>
> SPECIFYING HETEROGENEOUS SYSTEMS
>         Multiple architectures may be handled by giving multiple -arch
> and -np arguments.  For example, to run a pro-
>         gram on 2 sun4s and 3 rs6000s, with the local machine being a sun4, use
>         mpirun -arch sun4 -np 2 -arch rs6000 -np 3 program
> [...]

The above paragraph is not from MVAPICH user guide. Please check with the
vendor of your system. They will be able to provide more details on this.

> This doesn't work here.
> I tried:
> > mpirun -arch cbea -np 1 -arch x86_64 -np 1 -hostfile
> > util/machines/machines.%a osu/osu_bw.%a
>
> and got:
> Can't open hostfile util/machines/machines.%a
>
> As I understood it, the "%a" should have been replaced by the value of
> the "-arch" arguments.
>
>
> Any help appreciated,
>   daniel

Thanks,

DK

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