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From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2007-06-28 02:26:45


Awesome; ditto.

On Jun 27, 2007, at 4:19 PM, Terry D. Dontje wrote:

> Cool this sounds good enough to me.
>
> --td
>
> Brian Barrett wrote:
>
>> THe function name changes are pretty obvious (s/mca_pml_base/ompi/),
>> and I thought I'd try something new and actually document the
>> interface in the header file :). So we should be good on that front.
>>
>> Brian
>>
>> On Jun 27, 2007, at 6:38 AM, Terry D. Dontje wrote:
>>
>>
>>
>>> I am ok with the following as long as we can have some sort of
>>> documenation describing what changed like which old functions
>>> are replaced with newer functions and any description of changed
>>> assumptions.
>>>
>>> --td
>>> Brian Barrett wrote:
>>>
>>>
>>>
>>>> On Jun 26, 2007, at 6:08 PM, Tim Prins wrote:
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>> Some time ago you were working on moving the modex out of the pml
>>>>> and cleaning
>>>>> it up a bit. Is this work still ongoing? The reason I ask is that
>>>>> I am
>>>>> currently working on integrating the RSL, and would rather
>>>>> build on
>>>>> the new
>>>>> code rather than the old...
>>>>>
>>>>>
>>>>>
>>>>>
>>>> Tim Prins brings up a point I keep meaning to ask the group
>>>> about. A
>>>> long time ago in a galaxy far, far away (aka, last fall), Galen
>>>> and I
>>>> started working on the BTL / PML redesign that morphed into some
>>>> smaller changes, including some interesting IB work. Anyway, I
>>>> rewrote large chunks of the modex, which did a couple of things:
>>>>
>>>> * Moved the modex out of the pml base and into the general OMPI
>>>> code
>>>> (renaming
>>>> the functions in the process)
>>>> * Fixed the hang if a btl doesn't publish contact information (we
>>>> wait until we
>>>> receive a key pushed into the modex at the end of MPI_INIT)
>>>> * Tried to reduce the number of required memory copies in the
>>>> interface
>>>>
>>>> It's a fairly big change, in that all the BTLs have to be
>>>> updated due
>>>> to the function name differences. It's fairly well tested, and
>>>> would
>>>> be really nice for dealing with platforms where there are different
>>>> networks on different machines. If no one has any objections, I'll
>>>> probably do this next week...
>>>>
>>>> Brian
>>>>
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>>>>
>>>>
>>>>
>>>>
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>>>
>>
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>
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-- 
Jeff Squyres
Cisco Systems