From: Paul H. Hargrove (PHHargrove_at_lbl_dot_gov)
Date: Sun Dec 07 2008 - 15:31:56 PST
It looks as if the current releases of MVAPICH2 and MPICH-V are also both
unprepared for the removal of these older interfaces. So, they will be
restored in the next beta.
-Paul
Josh Hursey wrote:
> Paul,
>
> This patch will definitely be included in the Open MPI v1.3 series.
> Depending on when the group decides to release and when I get a chance
> to create the patch it may not make it for v1.3.0. Open MPI has a
> configure check for cr_request_file, and it 'should' default to
> fork/exec cr_checkpoint if it does not find the interface ('should'
> meaning that I haven't tested this in a long time, but the code is still
> in place). So I believe that 0.8.0 should work fine with Open MPI, if
> not slightly non-optimal.
>
> With that in mind I would continue with removing the cr_request_file
> interface in 0.8.0 as you had planned and I'll try to get a patch into
> the Open MPI v1.3 series as quickly as I can.
>
> Thanks for the offer.
>
> Josh
>
> On Dec 4, 2008, at 3:13 PM, Paul H. Hargrove wrote:
>
>> Josh,
>>
>> I see the trac item lists 1.3 as the Milestone for this fix. Is it
>> realistic to think that this (hopefully small) change to OMPI will
>> make it into 1.3? If not, I can probably resurect the removed APIs
>> and delay removal until 0.8.1, though I'd rather not if this can be
>> avoided.
>>
>> -Paul
>>
>> Josh Hursey wrote:
>>> I responded on the Open MPI mailing list regarding this, but wanted
>>> to repost here in case anyone is interested in tracking the progress
>>> of this Open MPI C/R bug.
>>> http://www.open-mpi.org/community/lists/users/2008/12/7391.php
>>>
>>> Thanks for the bug report,
>>> Josh
>>>
>>> On Dec 4, 2008, at 4:39 AM, Matthias Hovestadt wrote:
>>>
>>>> Hi!
>>>>
>>>> Just for your information: the checkpointing support of
>>>> OpenMPI makes use of the deprecated function cr_request_file.
>>>> Since you removed support for these deprecated functions in
>>>> 0.8.0, the usage of older versions like 0.7.3 is mandatory if
>>>> if checkpointing OpenMPI jobs.
>>>>
>>>>
>>>> Best,
>>>> Matthias
>>>>
>>>>
>>>
>>
>>
>> --
>> Paul H. Hargrove PHHargrove_at_lbl_dot_gov
>> Future Technologies Group
>> HPC Research Department Tel: +1-510-495-2352
>> Lawrence Berkeley National Laboratory Fax: +1-510-486-6900
>
--
Paul H. Hargrove PHHargrove_at_lbl_dot_gov
Future Technologies Group
HPC Research Department Tel: +1-510-495-2352
Lawrence Berkeley National Laboratory Fax: +1-510-486-6900