FLP-40002: Very Small Routing Regions


Very small routing regions fragment the floorplan and may not be able to fit the required logic.

This condition may lead to sub-optimal placement and routing of the design, as well as an increased compilation runtime. The region must span (in horizontal and vertical directions) at least the number of units specified in the min_dimension parameter. For regions comprising more than one rectangle, the bounding box is measured.


Name Description Type Default Value Min Value Max Value
min_dimension Reports a violation for Logic Lock regions that have a dimension smaller than the value specified in this parameter. integer 4   0


Ensure that the region size is large enough to contain the required logic, or consider switching to location assignments if constraining a very targeted and smaller amount of logic.




Tag Description
region-constraints Design rule checks related to region constraints in the design (both placement and routing).

Device Family

  • Intel Agilex®
  • Intel Agilex®
  • Intel Agilex®
  • Intel®Stratix® 10
  • Intel®Arria® 10
  • Intel®Cyclone® 10 GX