[Wien] mpiexec_mpt
Peter Blaha
pblaha at theochem.tuwien.ac.at
Thu Jul 11 16:41:52 CEST 2013
But I'm afraid, only YOU have access to the specific doku of your system.
As was mentioned before, I would ALWAYS recommend to use mpirun,
which should be a "standardized wrapper" to the specific mpi-scheduler.
Only, when you mpi does not have mpirun, use the more specific calls.
For your case it seems "trivial:
> *mpiexec_mpt error: -machinefile option not supported.*
the option -machinefile does not exist for mpiexec_mpt
sometimes it is called -hostfile
but you should easily find it out by
man mpiexec_mpt
or mpiexec_mpt --help
On 07/11/2013 04:30 PM, Luis Ogando wrote:
> Dear Oleg Rubel,
>
> I agree with you ! This is the reason I asked for hints from someone
> that uses WIEN with mpiexec_mpt (to save efforts and time).
> Thank you again !
> All the best,
> Luis
>
>
>
> 2013/7/11 Oleg Rubel <orubel at lakeheadu.ca <mailto:orubel at lakeheadu.ca>>
>
> Dear Luis,
>
> It looks like the problem is not in Wien2k. I would recommend to
> make sure that you can get a list of host names correctly before
> proceeding with wien. There are slight difference between various
> mpi implementation in a way of passing the host name list.
>
> Oleg
>
> On 2013-07-11 9:52 AM, "Luis Ogando" <lcodacal at gmail.com
> <mailto:lcodacal at gmail.com>> wrote:
>
> Dear Prof. Marks and Rubel,
>
> Many thanks for your kind responses.
> I am forwarding your messages to the computation center. As
> soon as I have any reply, I will contact you.
>
> I know that they have other wrappers (Intel MPI, for
> example), but they argue that mpiexec_mpt is the optimized option.
> I really doubt that this option will succeed, because I am
> getting the following error message in case.dayfile (bold)
>
> ================================================================================
> Calculating InPwurt15InPzb3 in
> /home/ice/proj/proj546/ogando/Wien/Calculos/InP/InPwurtInPzb/15camadasWZ+3ZB/InPwurt15InPzb3
> on r1i0n8 with PID 6433
> using WIEN2k_12.1 (Release 22/7/2012) in
> /home/ice/proj/proj546/ogando/RICARDO2/wien/src
>
>
> start (Wed Jul 10 13:29:42 BRT 2013) with lapw0 (150/99 to go)
>
> cycle 1 (Wed Jul 10 13:29:42 BRT 2013) (150/99 to go)
>
> > lapw0 -grr -p(13:29:42) starting parallel lapw0 at Wed Jul
> 10 13:29:42 BRT 2013
> -------- .machine0 : 12 processors
> *mpiexec_mpt error: -machinefile option not supported.*
> 0.016u 0.008s 0:00.40 2.5%0+0k 0+176io 0pf+0w
> error: command
> /home/ice/proj/proj546/ogando/RICARDO2/wien/src/lapw0para -c
> lapw0.def failed
>
> > stop error
> ================================================================================
>
> Related to -sgi option, I am using -pbs option because PBS
> is the queueing system. As I said, I works well for parallel
> execution that uses just one node.
> Many thanks again,
> Luis
>
>
>
> 2013/7/11 Oleg Rubel <orubel at lakeheadu.ca
> <mailto:orubel at lakeheadu.ca>>
>
> Dear Luis,
>
> Can you run other MPI codes under SGI scheduler on your
> cluster? In any case, I would suggest first to try the
> simplest check
>
> mpiexec -n $NSLOTS hostname
>
> this is what we use for Wien2k
>
> mpiexec -machinefile _HOSTS_ -n _NP_ _EXEC_
>
> the next line is also useful to ensure a proper CPU load
>
> setenv MV2_ENABLE_AFFINITY 0
>
>
> I hope this will help
> Oleg
>
>
> On 13-07-11 8:32 AM, Luis Ogando wrote:
>
> Dear WIEN2k community,
>
> I am trying to use WIEN2k 12.1 in a SGI cluster.
> When I perform
> parallel calculations using just "one" node, I can use
> mpirun and
> everything goes fine (many thanks to Prof. Marks and his
> SRC_mpiutil
> directory).
> On the other hand, when I want to use more than one
> node, I have to
> use mpiexec_mpt and the calculation fails. I also tried
> the mpirun for
> more than one node, but this is not the proper way in a
> SGI system and I
> did not succeed.
> Well, I would like to know if anyone has experience
> in using WIEN2k
> with mpiexec_mpt and could give me any hint.
> I can give more information. This is only an
> initial ask for help.
> All the best,
> Luis
>
>
>
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--
P.Blaha
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