I saw you opened this PR to get the initial steps started:
  https://github.com/open-mpi/ompi/pull/4487
Thanks for that.

I'll be at SC next week. I don't know how much I'll be around the IBM booth
at the moment. Let's make sure to touch base on this though. If I don't see
you at the RIST booth we can try to find another time - we can coordinate
offline.

Thanks!

On Wed, Nov 8, 2017 at 6:14 PM, Gilles Gouaillardet <gil...@rist.or.jp>
wrote:

> Josh,
>
>
> i started updating ROMIO some times ago (the latest version was 3.2b1 at
> that time).
>
> iirc, ROMIO 3.2 introduced some asynchronous operations that involve
> MPI_Grequest.
>
> i cannot remember what i did for that (e.g. #ifdef out ? compile but no
> test ?).
>
>
> today, the stable version is 3.2, and the preview version is 3.3a2.
>
>
>
> anyway, i finally gave up on that, mainly because of an apparent lack of
> interest from our fellow developers.
> (at that time, the focus was on making ompio production ready)
>
> the port is still available in my github repo at
> https://github.com/ggouaillardet/ompi/tree/refresh/romio32b1
> and this is something i can resume when needed (we just have to agree on
> romio version 3.2 vs 3.3a2).
>
> if you are going to SC, i'll spend quite some time at the RIST booth #219
> and i will be happy to discuss
> this face to face.
>
>
> Cheers,
>
> Gilles
>
> On 11/8/2017 11:33 PM, Josh Hursey wrote:
>
>> We (IBM) are interested in maintaining support for ROMIO in Open MPI.
>> We are investigating upgrading the ROMIO version inside Open MPI, but I
>> have no ETA on when that work will be complete/available.
>>
>> On Wed, Nov 8, 2017 at 4:37 AM, Gilles Gouaillardet <
>> gilles.gouaillar...@gmail.com <mailto:gilles.gouaillar...@gmail.com>>
>> wrote:
>>
>>     Farouk,
>>
>>     as far as i am concerned, there is no plan to stop supporting ROMIO.
>>     that being said, i am not aware there are any plans to upgrade to the
>>     latest ROMIO in a near future.
>>
>>     Also, please note ROMIO is the default module when the Lustre
>>     filesystem is used.
>>
>>     Cheers,
>>
>>     Gilles
>>
>>     On Wed, Nov 8, 2017 at 7:23 PM, Farouk Mansouri
>>     <mansourifar...@gmail.com <mailto:mansourifar...@gmail.com>> wrote:
>>     > Hello,
>>     >
>>     > A simple question about the expected support for ROMIO.
>>     >
>>     > Since OMPIO became the default IO implementation, we would like
>>     to have a
>>     > cleared view of how much time the ROMIO will be supported ?
>>     >
>>     > Regards,
>>     >
>>     > Farouk Mansouri
>>     > DDN IME software engineer
>>     >
>>     > _______________________________________________
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>>     > devel@lists.open-mpi.org <mailto:devel@lists.open-mpi.org>
>>     > https://lists.open-mpi.org/mailman/listinfo/devel
>>     <https://lists.open-mpi.org/mailman/listinfo/devel>
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>>
>>
>>
>>
>> --
>> Josh Hursey
>> IBM Spectrum MPI Developer
>>
>>
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>
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-- 
Josh Hursey
IBM Spectrum MPI Developer
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