[mpich-discuss] translate rank to hostname

[YANG Fan]

Thanks, Jeff!

But there's one problem. Suppose I'm on rank 1 and I want to know the host
name of rank 2, then using this function I can only know my own host name.
I hope that I can know others' host names...

On Fri, Mar 13, 2015 at 11:15 AM, Jeff Hammond <jeff.science at gmail.com>
wrote:

> Try MPI_Get_processor_name.
>
> Jeff
>
>
> On Thursday, March 12, 2015, YANG Fan <iddmbr at gmail.com> wrote:
>
>> Hi,
>>
>> To run an MPI program on a cluster I need to pass the host file as a
>> parameter. However, how can I know that what host name does a specific rank
>> correspond to? Or how can I access the host file inside my MPI program?
>> Thanks!
>>
>> Best Regards,
>> Fan
>>
>
>
> --
> Jeff Hammond
> jeff.science at gmail.com
> http://jeffhammond.github.io/
>
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