[mpiwg-coll] Review implementation of #419+420 in chapter 7 - take 2

[Balaji, Pavan]

The changes look good to me.

  -- Pavan

> On Feb 21, 2015, at 2:56 PM, Torsten Hoefler <htor at inf.ethz.ch> wrote:
> 
> Dear Chapter Committee (and anybody interested),
> 
> Thanks to all for your review! Puri found some formatting inconsistencies (only missing spaces and line breaks) that took a while to resolve (thanks to Bill and sorry for the delay).
> 
> While resolving them, Bill found some simple ticket-0 changes that I applied based on his comments:
> 
> - removed the 20-year old outdated reference to EXPRESS
> - slight wording change in advice to users on MPI_WEIGHTS_EMPTY
> - slight wording change in example of graph_neighbors
> - slight wording change in first sentence of 7.5.6
> 
> We can easily back them out (r2007) if we decide that we don't want them. They are rather uncontroversial though. The separate diff of these is at [1].
> 
> The complete diff (including all changes) is at [2] and the latest version of the chapter is at [3]. Please review this version again, hopefully a last time.
> 
> Thanks & All the Best,
> 	Torsten
> 
> [1]: http://htor.inf.ethz.ch/sec/chap-topol-diff-r2003.diff
> [2]: http://htor.inf.ethz.ch/sec/chap-topol-diff-r1806.diff
> [3]: http://htor.inf.ethz.ch/sec/chap-topol-mpi-3_1.pdf
> 
> -- 
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> Torsten Hoefler           | Assistant Professor
> Dept. of Computer Science | ETH Zürich
> Universitätsstrasse 6     | Zurich-8092, Switzerland
> CAB E 64.1                | Phone: +41 76 309 79 29

--
Pavan Balaji  ✉️
http://www.mcs.anl.gov/~balaji