* add several metrics
  - message exchanges : number/volume of sent/received data/ctrl messages

* for automatic process topology,
   -> implement some random initial distribution of load

* implement makhoul2

* add options -j/-J : minimum number of iterations?

* add options -f/-F : termination based on flops achieved?

* implement loba_* algorithms (start with some trivial one)

* add synchronized mode? NO
* add a variant to (not) change neighbor load information at send? NO
* translate README file? NOT URGENT