ISE
Using 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 Hierarchy pane of the Design panel. This
view displays the design hierarchy. To create a Partition, right-click
the instance and select New Partition.
- The Tcl command partition new <instance name> creates a new Partition for an instance. Use this command in a Tcl
script, or execute from the Tcl Console panel, to create Partitions in the Tcl environment.
- The Partition implementation data will 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. Adding or deleting
Partitions will force all affected Partitions (such as parent and
child Partitions) to be re-implemented.
- Some actions will force all Partitions in the project out of
date so that they all must be re-implemented.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:
- Some timing constraint changes that affect the entire design
- Process property changes (such as changing a map or par optimization)
- Removing implementation files, such as NCDs
- Detailed control of Partition preservation is possible with
the Force function and Partition preservation trait. See Partition Properties topic
for more information.
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