[mpiwg-p2p] Next meeting: 30th March 2015 11am Central US

[Jeff Hammond]

Like I said, I tried 3+ ways...

Sent from my iPhone

> On Mar 30, 2015, at 9:12 AM, Jim Dinan <james.dinan at gmail.com> wrote:
> 
> You can dial in at: +1-866-432-9903 Call-in toll-free number (US/Canada)
> Meeting code: 201 343 896
> 
>> On Mon, Mar 30, 2015 at 12:11 PM, Jeff Hammond <jeff.science at gmail.com> wrote:
>> Webex trash refused to let me connect by 3+ means so I cannot participate. 
>> 
>> Jeff 
>> 
>> Sent from my iPhone
>> 
>>> On Mar 30, 2015, at 5:37 AM, Daniel Holmes <dholmes at epcc.ed.ac.uk> wrote:
>>> 
>>> Hi All,
>>> 
>>> The next point-to-point teleconference will be today, Monday 30th March 2015 at 11am Central US via webex.
>>> 
>>> Connection details are on the point-to-point wiki page:
>>> https://svn.mpi-forum.org/trac/mpi-forum-web/wiki/PtpWikiPage
>>> 
>>> Agenda:
>>> 0) Discuss/agree the to-do list (see below) that covers the next two agenda items.
>>> 1) "Can INFO keys change the semantic behaviour of MPI?" issue - following the discussion at the face-to-face meeting, we seem to have a workable way forward on this issue!
>>> 2) New communicator INFO keys - it looks like these will be allowed, so we should define a few and get a proposal ready for the next face-to-face meeting
>>> 3) Progress on Arecv and Fsend or ReceiveReduce?
>>> 4) Other stuff?
>>> 
>>> Cheers,
>>> Dan.
>>> 
>>> 
>>>> On 23/03/2015 11:59, Dan Holmes wrote:
>>>> Hi All,
>>>> 
>>>> At the last telco meeting, Jim asked for a to-do list of the tasks needed to move communicator assertions forward. Please find below a first draft of such a task list. Could we agree that this is a good list? If you see something odd/missing, reply to this email       group.
>>>> 
>>>> To-do list for communicator assertions
>>>> 
>>>> 0) Gather evidence to support "no-one will be affected by backwards incompatibility".
>>>>    (e.g. chase Pavan, who volunteered to do this for major MPICH users)
>>>> 1) Change behaviour of MPI_COMM_DUP so that INFO keys are *not* propagated to new comm.
>>>>    (include AtoU: if you want to dup INFO use MPI_COMM_DUP_WITH_INFO, with example)
>>>> 2) Discuss whether attributes (plus, anything else?) should be       propagated by MPI_COMM_DUP.
>>>>    (default presumption is yes, they should still be propagated).
>>>> 3) Find all occurrence of language in the MPI Standard that suggests INFO keys are hints.
>>>> a) Change or remove any generic statements like "INFO keys cannot change semantics".
>>>>    (e.g. change to "cannot change observable semantics" or remove)
>>>> b) For each occurrence, determine if it should continue to suggest hint status
>>>>    (e.g. a particular key, most likely for the I/O keys but maybe also some RMA keys)
>>>> 
>>>> A) Convert ticket 381 into "make comm assertions doable" proposal (by Jun 2015 - Chicago?)
>>>> B) Get "no wildcard" INFO keys proposal ready for formal reading (by Jun 2015 - Chicago?)
>>>> C) Get "no ordering" INFO key proposal ready for formal reading (by Jun 2015 - Chicago?)
>>>> D) Get "no cancel" INFO keys proposal ready for formal reading (by Jun 2015 - Chicago?)
>>>> E) Discuss other INFO key proposals, e.g. "only wildcard", "no non-blocking", "no underflow"
>>>> 
>>>> Cheers,
>>>> Dan.
>>>> 
>>>>> On 13/03/2015 19:22, Daniel Holmes wrote:
>>>>> Hi All, 
>>>>> 
>>>>> The next point-to-point teleconference will be on Monday 16th March 2015 at 11am Central US via webex. 
>>>>> 
>>>>> Connection details are on the point-to-point wiki page: 
>>>>> https://svn.mpi-forum.org/trac/mpi-forum-web/wiki/PtpWikiPage 
>>>>> 
>>>>> Agenda: 
>>>>> 1) "Can INFO keys change the semantic behaviour of MPI?" issue - following the discussion at the face-to-face meeting, we seem to have a workable way forward on this issue! 
>>>>> 2) New communicator INFO keys - it looks like these will be allowed, so we should define a few and get a proposal ready for the next face-to-face meeting 
>>>>> 3) Progress on Arecv and Fsend or ReceiveReduce? 
>>>>> 4) Other stuff? 
>>>>> 
>>>>> Cheers, 
>>>>> Dan.
>>>> 
>>>> 
>>>> -- 
>>>> Dan Holmes
>>>> Applications Consultant in HPC Research
>>>> EPCC, The University of Edinburgh
>>>> James Clerk Maxwell Building
>>>> The Kings Buildings
>>>> Peter Guthrie Tait Road 
>>>> Edinburgh
>>>> EH9 3FD
>>>> T: +44(0)131 651 3465
>>>> E: dholmes at epcc.ed.ac.uk
>>>> 
>>>> *Please consider the environment before printing this email.*
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