itaps-parallel Proposal for handling queries with parts, sets, and partitions

Tim Tautges tautges at mcs.anl.gov
Thu Dec 20 08:33:50 CST 2007


I've only seen comments from Onkar on the question below, and while 
useful, they were more like answers to the questions.  I'm really 
interested in nailing down exactly what the issues are we're trying to 
address with this interface extension discussion (the specific 
discussion about Carl's proposal).  Does the silence mean everyone 
agrees that the three questions below summarize the issues well enough? 
  Or are you all just tired of reading my diatribes?  Or both? (Don't 
answer that...)

- tim

Tim Tautges wrote:

> So I count three fundamental questions we're passing around in one 
> discussion here:
> 
> 1) Do we want to do booleans on query results below the interface level? 
>  An example query would be "What are all regions in some set in a 
> particular part?"
> 
> 2) How do we express and query sets spread across processors?
> 
> 3) How do we refer to parts and partitions in the interface, and which 
> functions do we use to get information about them?
> 
> I think we need to sort out these questions at the conceptual level 
> before getting into specific functions.  I also think they are separable 
> questions and should be treated that way first.  Thoughts?
> 
> - tim
> 

-- 
================================================================
"You will keep in perfect peace him whose mind is
   steadfast, because he trusts in you."               Isaiah 26:3

              Tim Tautges            Argonne National Laboratory
          (tautges at mcs.anl.gov)      (telecommuting from UW-Madison)
          phone: (608) 263-8485      1500 Engineering Dr.
            fax: (608) 263-4499      Madison, WI 53706




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