Hah! look at me ressurecting this old thread...I should check in on my OpenMPI
folder more often than every 18 months.
Historically, GPFS performs best with block-aligned I/O.
Today, the performance difference between unaligned and aligned is not as
dramatic as it used to be (at least on ORNL's
On Fri, 2020-06-05 at 19:52 -0400, Stephen Siegel via users wrote:
> Sure, I’ll ask the machine admins to update and let you know how it
> goes.
> In the meantime, I was just wondering if someone has run this little
> program with an up-to-date OpenMPI and if it worked. If so, then I
> will know
On Tue, 2018-11-13 at 21:57 -0600, gil...@rist.or.jp wrote:
> Raymond,
>
> can you please compress and post your config.log ?
I didn't see the config.log in response to this. Maybe Ray and Giles
took the discusison off list? As someone who might have introduced the
offending configure-time chec
On Mon, 2018-10-15 at 12:21 +0100, Dave Love wrote:
> For what it's worth, I found the following from running ROMIO's tests
> with OMPIO on Lustre mounted without flock (or localflock). I used
> 48
> processes on two nodes with Lustre for tests which don't require a
> specific number.
>
> OMPIO f
that's not
invoked in those files.
==rob
>
> On Feb 28, 2014, at 12:05 PM, Latham, Robert J. 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 so
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
On Tue, 2014-02-25 at 07:26 -0600, Edgar Gabriel wrote:
> this was/is a bug in ROMIO, in which they assume a datatype is an int. I
> fixed it originally in a previous version of Open MPI on the trunk, but
> it did not get ported upstream, so we might have to do the same fix again.
>
Sorry about t
On Wed, 2014-02-26 at 15:27 -0600, Edgar Gabriel wrote:
> ok, then this must be a difference between OrangeFS and PVFs2. It turns
> out that trunk and 1.7 does actually have the patch, but 1.6 series does
> not have it. The actual commit was done in
>
> https://svn.open-mpi.org/trac/ompi/changese
