Cycle 25r5 summary of changes

4 March 2003 Introduction of Cycle 25r5. The ECMWF operational forecast production was moved to the IBM supercomputer which comprises two identical Cluster 1600 systems. Each cluster has thirty IBM p690 enterprise UNIX Servers. All operational products are now provided from the IBM computer system. The corresponding model Cycle is 25r5 which includes several code optimisation for the IBM machine.



Cycle changes

Please note

Prior to 2006 information on cycle upgrades has been migrated from the old website to the new website "as is". The information has not been reviewed during the migration.