tree 0957e1f139959278ea78dd73317651f0e7969952
parent 07e87bdc3f0458df943e7e8bd05428259013974a
author Till Westmann <westmann@gmail.com> 1401169953 -0700
committer Ian Maxon <imaxon@uci.edu> 1401221764 -0800

reduced communication during result distribution
- when reporting the location of results, the NCs also report if the
  result partition is empty
- the client does not try to read empty partitions
better toString() for subclasses of AbstractWork

Change-Id: Ia39f657e689ea305d49d55bd27c9a512e1ff970f
Reviewed-on: http://fulliautomatix.ics.uci.edu:8443/39
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Yingyi Bu <buyingyi@gmail.com>