CPM: A software tool for Communication Performance Modelling

Model builder

Builds the Hockney, PLogP and LMO models and estimates the execution time of point-to-point and collective communication operations. Arguments are described in the MPIBlib manual.

Example:

 $ mpirun -n 16 model -C Hockney -o model.out

The model.out file can then be used by either of these tools: