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Subject: Re: [OMPI users] MPI-IO puzzlement
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2012-05-15 15:54:37


Oops -- yes, I missed FILE_GET_POSITION_SHARED. I amended the patch:

https://svn.open-mpi.org/trac/ompi/raw-attachment/ticket/3095/fortran-file-int-cast-fix2.diff

MPI_Address is also a deprecated function exactly because it takes an fint -- MPI_Get_address replaced it, and uses an MPI_Aint.

On May 15, 2012, at 2:47 PM, Secretan Yves wrote:

> Hy,
>
> The patch contains changes for mpi_file_get_view, mpi_file_get_position and mpi_file_get_size.
> I think mpi_file_get_position_shared is another candidate, and maybe mpi_address but this last one I am not sure
>
> In my first response, I did only list the function I use.
>
> Yves Secretan
> Yves.Secretan_at_[hidden]
>
> Avant d'imprimer, pensez à l'environnement
>
>
>
> -----Message d'origine-----
> De : users-bounces_at_[hidden] [mailto:users-bounces_at_[hidden]] De la part de Jeff Squyres
> Envoyé : 15 mai 2012 14:29
> À : Open MPI Users
> Objet : Re: [OMPI users] MPI-IO puzzlement
>
> On May 15, 2012, at 2:19 PM, Ricardo Reis wrote:
>
>>>> INTEGER(kind=MPI_OFFSET_KIND) :: offset
>>>>
>>>> MPI_OFFSET_KIND is insuficient to represent my offset...
>>>
>>> Is it not a 64 bit integer for your compiler?
>
> I'm still interested in the answer to this question.
>
>>> There *is* a bug in OMPI at the moment that we're casting the result back down to 32 bits. I can give you a patch for that, if you'd like to try it.
>>
>> I'll get it from svn and try it out. On another note, me thinks with a derived_data type I nail two with one stroke. This problem and the limitation of 2GB per core when writing files...
>
> You should be able to get just a patch that you can apply to your v1.6 tarball here (the trunk patch was different because some filenames have changed between the v1.6 branch and the trunk):
>
> https://svn.open-mpi.org/trac/ompi/raw-attachment/ticket/3095/fortran-file-int-cast-fix.diff
>
> --
> Jeff Squyres
> jsquyres_at_[hidden]
> For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
>
>
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-- 
Jeff Squyres
jsquyres_at_[hidden]
For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/