[petsc-dev] error with karlrupp/fix-cuda-streams

[Mark Adams]

On Wed, Sep 25, 2019 at 2:23 PM Balay, Satish <balay at mcs.anl.gov> wrote:

> On Wed, 25 Sep 2019, Mark Adams via petsc-dev wrote:
>
> > On Wed, Sep 25, 2019 at 12:44 PM Balay, Satish <balay at mcs.anl.gov>
> wrote:
> >
> > > Can you retry with updated balay/fix-mpiexec-shell-escape branch?
> > >
> > >
> > > current mpiexec interface/code in petsc is messy.
> > >
> > > Its primarily needed for the test suite. But then - you can't easily
> > > run the test suite on machines like summit.
> > >
> > > Also - it assumes mpiexec provided supports '-n 1'. However if one
> > > provides non-standard mpiexec such as --with-mpiexec="jsrun -g 1" -
> > > what is the appropriate thing here?
> > >
> >
> > jsrun does take -n. It just has other args. I am trying to check if it
> > requires other args. I thought it did but let me check.
>
>
> https://www.olcf.ornl.gov/for-users/system-user-guides/summitdev-quickstart-guide/
>
> -n      --nrs   Number of resource sets
>
>
-n is still supported. There are two versions of everything. One letter
ones and more explanatory ones.

In fact they have a nice little tool to viz layouts and they give you the
command line with this short form, eg,

https://jsrunvisualizer.olcf.ornl.gov/?s1f0o01n6c4g1r14d1b21l0=



> Beta2 Change (October 17):
> -n was be replaced by -nnodes
>
> So its not the same functionality as 'mpiexec -n'
>

I am still waiting for an interactive shell to test just -n. That really
should run


>
> Either way - please try the above branch


> Satish
>
> >
> >
> > >
> > > And then configure needs to run some binaries for some checks - here
> > > perhaps '-n 1' doesn't matter. [MPICH defaults to 1, OpenMPI defaults
> > > to ncore]. So perhaps mpiexec is required for this purpose on summit?
> > >
> > > And then there is this code to escape spaces in path - for
> > > windows. [but we have to make sure this is not in code-path for user
> > > specified --with-mpiexec="jsrun -g 1"
> > >
> > > Satish
> > >
> > > On Wed, 25 Sep 2019, Mark Adams via petsc-dev wrote:
> > >
> > > > No luck,
> > > >
> > > > On Wed, Sep 25, 2019 at 10:01 AM Balay, Satish <balay at mcs.anl.gov>
> > > wrote:
> > > >
> > > > > Mark,
> > > > >
> > > > > Can you try the fix in branch balay/fix-mpiexec-shell-escape and
> see
> > > if it
> > > > > works?
> > > > >
> > > > > Satish
> > > > >
> > > > > On Wed, 25 Sep 2019, Balay, Satish via petsc-dev wrote:
> > > > >
> > > > > > Mark,
> > > > > >
> > > > > > Can you send configure.log from mark/fix-cuda-with-gamg-pintocpu
> > > branch?
> > > > > >
> > > > > > Satish
> > > > > >
> > > > > > On Wed, 25 Sep 2019, Mark Adams via petsc-dev wrote:
> > > > > >
> > > > > > > I double checked that a clean build of your (master) branch has
> > > this
> > > > > error
> > > > > > > by my branch (mark/fix-cuda-with-gamg-pintocpu), which may
> include
> > > > > stuff
> > > > > > > from Barry that is not yet in master, works.
> > > > > > >
> > > > > > > On Wed, Sep 25, 2019 at 5:26 AM Karl Rupp via petsc-dev <
> > > > > > > petsc-dev at mcs.anl.gov> wrote:
> > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > On 9/25/19 11:12 AM, Mark Adams via petsc-dev wrote:
> > > > > > > > > I am using karlrupp/fix-cuda-streams, merged with master,
> and I
> > > > > get this
> > > > > > > > > error:
> > > > > > > > >
> > > > > > > > > Could not execute "['jsrun -g\\ 1 -c\\ 1 -a\\ 1
> > > --oversubscribe -n
> > > > > 1
> > > > > > > > > printenv']":
> > > > > > > > > Error, invalid argument:  1
> > > > > > > > >
> > > > > > > > > My branch mark/fix-cuda-with-gamg-pintocpu seems to work
> but I
> > > did
> > > > > edit
> > > > > > > > > the jsrun command but Karl's branch still fails. (SUMMIT
> was
> > > down
> > > > > today
> > > > > > > > > so there could have been updates).
> > > > > > > > >
> > > > > > > > > Any suggestions?
> > > > > > > >
> > > > > > > > Looks very much like a systems issue to me.
> > > > > > > >
> > > > > > > > Best regards,
> > > > > > > > Karli
> > > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > > >
> > > >
> > >
> > >
> >
>
>
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