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

Mark Adams mfadams at lbl.gov
Wed Sep 25 13:53:59 CDT 2019


Oh, and I tested the branch and it didn't work. file was attached.

On Wed, Sep 25, 2019 at 2:38 PM Mark Adams <mfadams at lbl.gov> wrote:

>
>
> 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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