Synopsys Timing Constraints And Optimization User Guide 2021 100%
Do not use the default settings. The 2021 guide explicitly warns against using compile_ultra without the -timing_high_effort flag. The default is "balanced," which leaves 5-7% performance on the table.
Here are some common commands used to define timing constraints: synopsys timing constraints and optimization user guide 2021
to make critical trade-offs between timing, area, and power. Workflow Integration Do not use the default settings
Reorganizing logic gates to reduce the levels of logic in a critical path. synopsys timing constraints and optimization user guide 2021