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Subject: Re: [OMPI devel] XML request
From: Greg Watson (g.watson_at_[hidden])
Date: 2009-08-18 16:18:28


Ralph,

Not sure that's it because all XML output should be via stdout.

Greg

On Aug 18, 2009, at 3:53 PM, Ralph Castain wrote:

> Hmmm....let me try adding a fflush after the <mpirun> output to
> force it out. Best guess is that you are seeing a little race
> condition - the map output is coming over stderr, while the <mpirun>
> tag is coming over stdout.
>
>
>
> On Tue, Aug 18, 2009 at 12:53 PM, Greg Watson
> <g.watson_at_[hidden]> wrote:
> Hi Ralph,
>
> I'm seeing something strange. When I run "mpirun -mca
> orte_show_resolved_nodenames 1 -xml -display-map...", I see:
>
> <mpirun>
> <map>
> <host name="Jarrah.local" slots="1" max_slots="0">
> <process rank="0"/>
> <process rank="1"/>
> <process rank="2"/>
> <process rank="3"/>
> </host>
> </map>
> ...
> </mpirun>
>
> but when I run " ssh localhost mpirun -mca
> orte_show_resolved_nodenames 1 -xml -display-map...", I see:
>
> <map>
> <host name="Jarrah.local" slots="1" max_slots="0">
> <process rank="0"/>
> <process rank="1"/>
> <process rank="2"/>
> <process rank="3"/>
> </host>
> </map>
> <mpirun>
> ...
> </mpirun>
>
> Any ideas?
>
> Thanks,
> Greg
>
>
> On Aug 17, 2009, at 11:16 PM, Ralph Castain wrote:
>
> Should be done on trunk with r21826 - would you please give it a try
> and let me know if that meets requirements? If so, I'll move it to
> 1.3.4.
>
> Thanks
> Ralph
>
> On Aug 17, 2009, at 6:42 AM, Greg Watson wrote:
>
> Hi Ralph,
>
> Yes, you'd just need issue the start tag prior to any other XML
> output, then the end tag when it's guaranteed all XML other output
> has been sent.
>
> Greg
>
> On Aug 17, 2009, at 7:44 AM, Ralph Castain wrote:
>
> All things are possible - some just a tad more painful than others.
>
> It looks like you want the mpirun tags to flow around all output
> during the run - i.e., there is only one pair of mpirun tags that
> surround anything that might come out of the job. True?
>
> If so, that would be trivial.
>
> On Aug 14, 2009, at 9:25 AM, Greg Watson wrote:
>
> Ralph,
>
> Would it be possible to get mpirun to issue start and end tags if
> the -xml option is used? Currently there is no way to determine when
> the output starts and finishes, which makes parsing the XML tricky,
> particularly if something else generates output (e.g. the shell).
> Something like this would be ideal:
>
> <mpirun>
> <map>
> ...
> </map>
> <stdout>...</stdout>
> <stderr>...</stderr>
> </mpirun>
>
> If we could get it in 1.3.4 even better. :-)
>
> Thanks,
> Greg
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