ISEUsing Partitions - To Use Partitions
To use Partitions follow the suggested options.
To Use Partitions
- In the Project Navigator graphical environment Partitions are
created in the Sources
tab. This view displays the design hierarchy. To create a Partition,
right-click the instance and select New Partition.
- The Tcl command partition new <partition-name> creates a new Partition for an instance. Use this command in a Tcl
script, or execute from the Tcl Shell tab, to create Partitions in the Tcl
environment.
- The Partition implementation data can be re-used on subsequent
implementations if that Partition has not been modified. If the Partition
has been modified, such as by an HDL source change or a physical constraint
change, it will be re-implemented. A Partition membership
change will force all affected Partitions (such as parent and child
Partitions) out of date.
- Some actions will force all Partitions in the project out of
date so that they all must be re-implemented. These types of
actions include:
- Timing constraint changes
- Process property changes (such as changing a map or par optimization)
- Removing implementation files, such as NCDs
- Force a Partition to be re-implemented, or set a Partition
preservation trait so that a synthesized netlist, placement or routing
are preserved only. See Partition Properties topic for more information.
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