This version includes important bug fixes for the 2.1 release.

This release comes with CUBE 2.0, a new utility for scalable off-line time synchronization, and a new r/w interface for EPILOG traces.

This release includes the new performance-algebra utilities for cross-experiment performance analysis and a new topology display.

The new CUBE beta release includes a very powerful tool for multi-experiment analysis that can be used to compare the effects of different optimization strategies or to integrate data from different monitoring tools.

KOJAK 2.1b comes with CUBE 2.0b and its powerful tools for multi-experiment analysis. Also included are capabilities to record virtual topologies as part of the trace file.