I originally thought that it was an issue related to 32-bit
executables, but it seems to affect 64-bit as well...
I found references to this problem -- it was reported back in 2007:
http://lists.mcs.anl.gov/pipermail/mpich-discuss/2007-July/002600.html
If you look at the code, you will find
On Tuesday, 7 August, 2012 at 12:21 PM, Rob Latham wrote:
> Hi. Known problem in the ROMIO MPI-IO implementation (which OpenMPI
> uses). Been on my list of "things to fix" for a while.
Ok, thanks. I'm glad it's not just us.
Is there a timescale for this being fixed? Because if it's a long term
On Thu, Jul 12, 2012 at 10:53:52AM -0400, Jonathan Dursi wrote:
> Hi:
>
> One of our users is reporting trouble reading large files with
> MPI_File_read (or read_all). With a few different type sizes, to
> keep count lower than 2^31, the problem persists. A simple C
> program to test this is
Hi:
One of our users is reporting trouble reading large files with MPI_File_read
(or read_all). With a few different type sizes, to keep count lower than 2^31,
the problem persists. A simple C program to test this is attached; we see it
in both OpenMPI 1.4.4 and OpenMPI 1.6, with the only