Solution : https://service.sap.com/sap/support/notes/1035648 (SAP Service marketplace login required)
Key words :
long runtimes occur, relevant support package, table type dpr_tt_fc_properties, table type, table view, hashed table, read access, field control, poor performance, large projects
Related Notes :
| 1335432 | Field control: Composite note about corrections/information |
| 929969 | cProjects 4.0 - Performance notes |