Achronix ACE Version 5.0 - Manual (Page 285)

Analyzing Critical Paths Chapter 4. Tasks
• Asynchronous devices: By default, highlight colors are arranged in a gradient from red to yellow
according to frequency. The lowest frequencies will always be colored red by default, even if they
meet timing.
3. To highlight a path in the Floorplanner, simply check the box for the desired path in the Highlight
column of the table within the Critical Paths view . To un-highlight a path, simply uncheck the box.
Note: The highlight color of each individual critical path can be changed by clicking on the color
chooser box in the Highlight column of the
Critical Paths view table. In the color chooser
dialog, select the desired color for that path and click OK.
Selecting Critical Path Objects
In order to manipulate objects (for example, by pre-placing them) on a critical path, it is convenient to add
them to the current ACE selection set (as displayed in the
Selection view ) for easy access. Note that once they
are in the ACE selection set, they will change their color to the selection color (the selection color overrides
all other colors, including highlight colors).
To add a critical path to the current selection:
1. In the Critical Paths view , click on the table row containing data for the desired path to select objects
for
2. To add the path to the current ACE selection set, click on the Select Path toolbar button ( ) on the
Critical Paths view toolbar.
The path is now added to the selection in the Selection view and is shown with the selection color in the
Floorplanner view .
To add a critical path’s pins to the current selection:
1. In the Critical Paths view , click on the table row containing data for the desired path to select objects
for.
2. To add the path’s pins to the current ACE selection set, click on the Select Pins toolbar button ( ) on
the Critical Paths view toolbar.
The pins are now added to the selection in the Selection view and are shown with the selection color in the
Floorplanner view .
To add a critical path’s instances to the current selection:
1. In the Critical Paths view , click on the table row containing data for the desired path to select objects
for.
2. To add the path’s instances to the current ACE selection set, click on the Select Instances toolbar
button ( ) on the Critical Paths view toolbar.
The instances are now added to the selection in the Selection view and are shown with the selection color in
the Floorplanner view .
To add a critical path’s nets to the current selection:
1. In the Critical Paths view , click on the table row containing data for the desired path to select objects
for.
2. To add the path’s nets to the current ACE selection set, click on the Select Nets toolbar button ( ) on
the Critical Paths view toolbar.
273 http://www.achronix.com UG001 Rev. 5.0 - 5th December 2012