Cube GUI User Guide  (CubeGUI 4.6, revision ff50a50d)
Introduction in Cube GUI and its usage

MPI Parallel Efficiency

MPI Parallel Efficiency (MPE) reveals the inefficiency in MPI processes. MPE can be computed directly or as a product of MPI Load Balance Efficiency and MPI Communication Efficiency :

\begin{eqnarray*}MPE=\frac{avg(time\; outside\; of\; MPI)}{max(runtime)} \end{eqnarray*}

= MPI Load Balance Efficiency ⋅ MPI Communication Efficiency
Cube Writer Library    Copyright © 1998–2021 Forschungszentrum Jülich GmbH, Jülich Supercomputing Centre
Copyright © 2009–2015 German Research School for Simulation Sciences GmbH, Laboratory for Parallel Programming