[Swift-devel] Falkon and Coaster support for MPI

[Ioan Raicu]

Mihael Hategan wrote:
> On Mon, 2008-06-30 at 12:57 -0500, Ioan Raicu wrote:
>   
> ...
>
> Thank you for the token. I didn't realize I needed one though.
>   
I thought this entire thread was about identifying where 
(Coaster/Falkon) it makes the most sense to add MPI support, given 
people are really busy, and we don't want to duplicate the effort.
>   
>> Ioan
>>
>> Mihael Hategan wrote:
>>     
>>> On Mon, 2008-06-30 at 12:31 -0500, Ioan Raicu wrote:
>>>   
>>>       
>>>> Comon Mihael, quit being so quick to argue :)\
>>>>     
>>>>         
>>> I'm not sure what you mean. Arguments are not a bad thing. They are the
>>> mechanism to clarify issues and solve problems. Arguing by exclusively
>>> using rhetoric or not following logic much, on the other hand, is
>>> probably not that useful.
>>>
>>> I was trying to point out that there are some recurring patterns when
>>> moving from the single site batch job pattern to a multi site grid-like
>>> pattern, and that there's little infrastructure to support that move.
>>> But the problems themselves are there to stay, and won't go away if
>>> ignored.
>>>
>>>   
>>>       
>>>> Adding MPI support might be easy, or hard, but it will certainly add 
>>>> complexity to the scheduler that needs to support MPI.  If the user 
>>>> community asks for this feature, we (Swift, Falkon, etc) would 
>>>> eventually support it, but its not clear what priority this should take, 
>>>> which partly depends on how hard it is to achieve the desired goal 
>>>> (given all our limited resources and time).
>>>>
>>>> Ioan
>>>>
>>>> Mihael Hategan wrote:
>>>>     
>>>>         
>>>>>> I think we should be nervous about getting into the business of  
>>>>>> implementing scheduler functionality like this.
>>>>>>     
>>>>>>         
>>>>>>             
>>>>> That's funny. These are the problems we need to solve. We (Swift) are
>>>>> pretty much suffering from nobody else in the grid world having done so.
>>>>> I guess too many people were nervous.
>>>>>
>>>>>
>>>>>
>>>>>   
>>>>>       
>>>>>           
>>>   
>>>       
>
>
>   

-- 
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Ioan Raicu
Ph.D. Candidate
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Distributed Systems Laboratory
Computer Science Department
University of Chicago
1100 E. 58th Street, Ryerson Hall
Chicago, IL 60637
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Email: iraicu at cs.uchicago.edu
Web:   http://www.cs.uchicago.edu/~iraicu
http://dev.globus.org/wiki/Incubator/Falkon
http://dsl-wiki.cs.uchicago.edu/index.php/Main_Page
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