RankDLB Master

Version's name: RankDLB Master ; a version of the RankDLB program.
Repository: [home] and version downloads: [.zip] [.tar.gz] [.tar.bz2] [.tar]
Patterns and behaviours:

Dynamic load imbalance in MPI

Recommended best-practices:

Solving dynamic load balance problems

- Available version(s):

RankDLB V1

This version of the kernel introduces a mechanism for dynamic load balancing. When the load imbalance exceeds a certain value, the number of work items is redistributed among neighbouring ranks and the throughput, i.e. the number of processed work items per time, increases immediately. As rank 0 continues creating new work items, the load imbalance returns and the load dynamic load balancing mechanism is triggered again. As a result the throughput over time represents a zig zag curve.