Compiler Settings Page (Settings Dialog Box)

You open this page by clicking Assignments > Settings > Compiler Settings.

Allows you to specify high-level optimization goals to direct synthesis and fitting. You can also optionally Enable intermediate Fitter snapshots to automatically preserve the planned, placed, routed, and retimed snapshots by default during full compilation. This option is disabled by default to save compilation time. The Optimization mode setting applies various combinations of Advanced Settings (Fitter) and Advanced Settings (Synthesis) to achieve your design goals.