Message passing
Revision as of 16:22, 24 October 2011 by Joachim Hein (LUNARC) (talk | contribs)
Message passing denotes the explicit exchange of data between processes in a distributed memory program. Most modern Fortran, C or C++ programs deploy MPI for the data exchange. To achieve high or even acceptable computational speed, distributed memory programs can place extreme demands on the communication network of an HPC system.
