+* Try to optimize communications when bookkeeping.
+ Add a 'credit' counter for each neighbor.
+ Do not send more real_load than (debt - credit).
+
* Support heterogeneous platforms?
Not sure yet.
Should be doable if each process also sends its speed to its neighbors.
-* Add options -j/-J : minimum number of iterations?
+* Add options -j/-J: minimum number of iterations?
-* Add options -f/-F : termination based on flops achieved?
+* Add options -f/-F: termination based on flops achieved?
* Choose a license before making the code public.
CeCILL-B?