Feb 10, 94 (Putting together a new outline for the "final" version of paper)
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(I) What to include:
    * must provide motivation for exploring the multi-threaded
approach.  
    * do this by tracing back to the fundamental issues.  
    * a comparison of different approaches to parallel execution.

(II) What to exclude: (possibly for another paper)
    * details of global cache access primitives?  

(III) Outline: