. The second might
> be a little more generic, but depend on external tools and might take a
> little time to setup.
>
> George.
>
>
> On Fri, Apr 14, 2023 at 3:31 PM Brian Dobbins via users <
> users@lists.open-mpi.org> wrote:
>
>>
>> Hi all,
>>
Hi all,
I'm wondering if there's a simple way to get statistics from OpenMPI as
to how much memory the *MPI* layer in an application is taking. For
example, I'm running a model and I can get the RSS size at various points
in the code, and that reflects the user data for the application, *plus*,
Hi Ralph,
Thanks again for this wealth of information - we've successfully run the
same container instance across multiple systems without issues, even
surpassing 'native' performance in edge cases, presumably because the
native host MPI is either older or simply tuned differently (eg, 'eager
li
Hi Ralph,
Thanks for the explanation - in hindsight, that makes perfect sense,
since each process is operating inside the container and will of course
load up identical libraries, so data types/sizes can't be inconsistent. I
don't know why I didn't realize that before. I imagine the past issue
Hi Ralph,
Afraid I don't understand. If your image has the OMPI libraries installed
> in it, what difference does it make what is on your host? You'll never see
> the IMPI installation.
>
> We have been supporting people running that way since Singularity was
> originally released, without any pr
As a work-around, but not a 'solution', it's worth pointing out that the
(new) Intel compilers are now *usable* for free - no licensing cost or
login needed. (As are the MKL, Intel MPI, etc).
Link:
https://software.intel.com/content/www/us/en/develop/tools/oneapi/all-toolkits.html
They've got Yu
