Load Balance Efficiency

The Load Balance Efficiency (LBE) is computed as the ratio between Average Useful Computation Time (across all processes) and the Maximum Useful Computation time (also across all processes).

\[LBE = \frac{Average Useful Computation Time}{Maximum Computation Time}\]

In order to fully understand the formulas, you may also visit the glossary of the metrics terms.

Related programs: CalculiX solver · OMP Collapse ·
Related patterns: Code replication · Contention on shared resources · Frequency reduction by power governors · Load imbalance due to computational complexity (unknown a priori) · Inefficient user implementation of well-known math problem · Load imbalance in hybrid programming (MPI+X) · Locality differences among threads · Lack of iterations on an OpenMP parallel loop · Operating System Noise · Poor GPU data transfer rate due to affinity ·