Schedule performance index SPI (scheduleperformanceindex) (SPI = EV / PV).

SPI > 1.0 indicates that the progress is advanced and the progress efficiency is high; SPI < 1.0 indicates that the progress is lagging behind and the progress efficiency is low. 3. Project performance evaluation 4. Computer tools 5. Output of deviation management cost control: 1Project management plan update 2Recommended corrective measures 3. Completion estimation 4Change demand 5. The experience and lessons learned from the cost control process of organization process assets (update) and the improvement of the set templates and processes are all organizational process assets.