Quartus II Settings File Reference Manual - Altera

Chapter 6: Fitter Assignments 6–123
FITTER_AGGRESSIVE_ROUTABILITY_OPTIMIZATION
FITTER_AGGRESSIVE_ROUTABILITY_OPTIMIZATION
Type
Specifies whether the Fitter aggressively optimizes for routability. Performing
aggressive routability optimizations may decrease design speed, but may also reduce
routing wire usage and routing time. The default setting of Automatically lets the
Fitter decide whether to perform these optimizations based on the routability and
timing requirements of the design.
Enumeration
■ Always
■ Automatically
■ Never
Device Support
This setting can be used in projects targeting the following device families:
■ Arria GX
■ Arria II GX
■ Arria II GZ
■ Arria V
■ Cyclone
■ Cyclone II
■ Cyclone III
■ Cyclone III LS
■ Cyclone IV E
■ Cyclone IV GX
■ Cyclone V
■ HardCopy II
■ HardCopy III
■ HardCopy IV
■ MAX II
■ MAX V
■ Stratix
■ Stratix GX
■ Stratix II
■ Stratix II GX
■ Stratix III
■ Stratix IV
June 2012 Altera Corporation Quartus Settings File
Reference Manual