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Subject: Re: [OMPI users] OrangeFS ROMIO support
From: Latham, Robert J. (robl_at_[hidden])
Date: 2014-03-04 17:48:25


On Fri, 2014-02-28 at 12:20 -0800, Ralph Castain wrote:
> Did you see the note I forwarded to you about SLES issues? Not sure if that is on your side or ours

It looks like a strange interaction between SLES header files and the
SLES compiler: odd that it would carp about one system call that's not
invoked in those files.

==rob

>
> On Feb 28, 2014, at 12:05 PM, Latham, Robert J. <robl_at_[hidden]> wrote:
>
> > On Wed, 2014-02-26 at 17:14 -0600, Edgar Gabriel wrote:
> >> that was my fault, I did not follow up the time, got probably side
> >> tracked by something. Anyway, I suspect that you actually have the
> >> patch, otherwise the current Open MPI trunk and the 1.7 release series
> >> would not have the patch after the last ROMIO update - at least I did
> >> not reapply it, not sure whether Nathan did.
> >
> > Well, thanks for apologizing for not following up. I was about to get
> > good and angry, but you've taken away my righteous fury! :>
> >
> > I've gone through six years worth of OpenMPI romio changes: everything
> > since
> > r16693 | adi | 2007-11-08 06:54:48 -0600 (Thu, 08 Nov 2007) | 2 lines
> >
> > and picked up a few changes. I'm sure everyone will be happy that I
> > found the "fix a catamount build warning" change, that was never sent
> > upstream to us :> . Do you know of any other old patches I should
> > look at?
> >
> > I've also done a diff of the two source trees. OpenMPI ROMIO is
> > missing
> > - some Blue Gene fixes (probably not relevant?)
> > - some large-datatype processing fixes (probably more interesting).
> > - better (any) handling of retrying write(2) and read(2) system calls
> > when they return less than requested
> > - better memory cleanup in error cases
> > - a configure-time check for the need for constification of bindings.
> > (not relevant: openmpi is constified)
> > - external32 support routines (but external32 is only "mostly there".
> > Dave knows the details)
> > -
> >
> > I saw mentions in the SVN logs of a pending "updated PanFS driver" but
> > that was several years ago, and the two drivers are the same right now.
> > Is there a secret PanFS repository I should raid?
> >
> > There are still a good deal of Ompi-specific changes that I don't want
> > to pull into ROMIO, especially anything dealing with the build system.
> >
> > I should bring this up on openmpi-devel, but I pushed these changes to a
> > review branch:
> > http://git.mpich.org/mpich-dev.git/shortlog/refs/heads/romio_sync_from_ompi
> >
> > ==rob
> > _______________________________________________
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> > users_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/users
>
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