[mpich-discuss] translate rank to hostname

[YANG Fan]

I got it! Thanks!

On Fri, Mar 13, 2015 at 1:46 PM, Jeff Hammond <jeff.science at gmail.com>
wrote:

> Try MPI_Allgather on the output of MPI_Get_processor_name.
>
> Jeff
>
> On Thu, Mar 12, 2015 at 10:41 PM, YANG Fan <iddmbr at gmail.com> wrote:
> > 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/
> >>
> >> _______________________________________________
> >> discuss mailing list     discuss at mpich.org
> >> To manage subscription options or unsubscribe:
> >> https://lists.mpich.org/mailman/listinfo/discuss
> >
> >
> >
> > _______________________________________________
> > discuss mailing list     discuss at mpich.org
> > To manage subscription options or unsubscribe:
> > https://lists.mpich.org/mailman/listinfo/discuss
>
>
>
> --
> Jeff Hammond
> jeff.science at gmail.com
> http://jeffhammond.github.io/
> _______________________________________________
> discuss mailing list     discuss at mpich.org
> To manage subscription options or unsubscribe:
> https://lists.mpich.org/mailman/listinfo/discuss
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mpich.org/pipermail/discuss/attachments/20150313/8adbcc26/attachment.html>
-------------- next part --------------
_______________________________________________
discuss mailing list     discuss at mpich.org
To manage subscription options or unsubscribe:
https://lists.mpich.org/mailman/listinfo/discuss