[Users] Fwd: PUGH issues with upgrade to Cactus 4.2.3

Erik Schnetter schnetter at gmail.com
Wed Mar 18 18:03:54 CDT 2015



> Begin forwarded message:
> 
> From: "Garrison, David" <Garrison at uhcl.edu>
> To: Erik Schnetter <schnetter at gmail.com>
> Subject: Re: [Users] PUGH issues with upgrade to Cactus 4.2.3
> Date: March 18, 2015 at 18:10:20 EDT
> 
> Thanks,
> 
> It looks like I was compiling with openmpi-1.6.5 but running rocks-openmpi.
> 
> -DG
> 
> --
> David Garrison, Ph.D.
> Director of Graduate Programs for the School of Science and Computer Engineering, Associate Professor and Chair of Physics
> University of Houston-Clear Lake
> Bayou 3531
> Houston, TX 77058
> 
> Tel: 281-283-3796
> Fax: 281-283-3709
> http://sce.uhcl.edu/garrison
> 
> For more information about the UHCL Physics Program go to
> http://www.uhcl.edu/physics or sign up for UHCL newsletters at
> https://ecommunications.houston.edu/uhcl/join.html
> 
> "If we knew what it was we were doing, it would not be called research,
> would it?" ‹ Albert Einstein.
> 
> 
> 
> 
>> On Mar 18, 2015, at 4:37 PM, Erik Schnetter <schnetter at gmail.com> wrote:
>> 
>> David
>> 
>> This is likely an issue with your MPI configuration. Either Cactus didn't recognize that you are using MPI, or you are building Cactus with one MPI implementation and are then using mpirun from another MPI implementation.
>> 
>> If you want help diagnosing this, then you can open a ticket on trac.einsteintoolkit.org and attach your configure options, your thorn list, as well as the screen output from configure there.
>> 
>> -erik
>> 
>>> On Mar 18, 2015, at 17:34 , Garrison, David <Garrison at uhcl.edu> wrote:
>>> 
>>> Hello,
>>> 
>>> Ever since I upgraded to Cactus 4.2.3, my code seems to have issues with MPI and PUGH.  For example, when I perform an 8 processor run, I get 8 copies of full grid output instead of the 8 processors splitting up the grid and creating 1 output.  This works with both the arrangements I wrote and WaveToy.  Any ideas how to fix this?
>>> 
>>> -DG
>>> 
>>> --
>>> David Garrison, Ph.D.
>>> Director of Graduate Programs for the School of Science and Computer Engineering, Associate Professor and Chair of Physics
>>> University of Houston-Clear Lake
>>> Bayou 3531
>>> Houston, TX 77058
>>> 
>>> Tel: 281-283-3796
>>> Fax: 281-283-3709
>>> http://sce.uhcl.edu/garrison
>>> 
>>> For more information about the UHCL Physics Program go to
>>> http://www.uhcl.edu/physics or sign up for UHCL newsletters at
>>> https://ecommunications.houston.edu/uhcl/join.html
>>> 
>>> "If we knew what it was we were doing, it would not be called research,
>>> would it?" ‹ Albert Einstein.
>>> 
>>> 
>>> 
>>> 
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>>> Users at einsteintoolkit.org
>>> http://lists.einsteintoolkit.org/mailman/listinfo/users
>> 
>> --
>> Erik Schnetter <schnetter at gmail.com>
>> http://www.perimeterinstitute.ca/personal/eschnetter/
>> 
>> My email is as private as my paper mail. I therefore support encrypting
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>> 
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> 

--
Erik Schnetter <schnetter at gmail.com>
http://www.perimeterinstitute.ca/personal/eschnetter/

My email is as private as my paper mail. I therefore support encrypting
and signing email messages. Get my PGP key from https://sks-keyservers.net.

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