Martha Torres Sergio Takeo Kofuji The Barrier Synchronization Impact on the MPI-Programs Performance Using a Cluster of Workstations. 429-432 1997 conf/ispan/1997 ISPAN http://doi.ieeecomputersociety.org/10.1109/ISPAN.1997.645132 db/conf/ispan/ispan1997.html#TorresK97