A sophisticated technique covered in the guide is . This is particularly useful for latch-based designs or paths with multiple clock cycles. Normalized slack is calculated as:
One of the major themes in the 2021 documentation is the reduction of "false violations"—timing violations that aren't actually bottlenecks, often caused by incorrect or incomplete SDC files. Key Optimization Steps synopsys timing constraints and optimization user guide 2021
Structuring and mapping equations to Boolean logic expressions. This step optimizes network factoring and un-mapping to minimize logic depth on critical paths. A sophisticated technique covered in the guide is
Base clocks originate from primary input ports or internal Phase-Locked Loop (PLL) outputs. synopsys timing constraints and optimization user guide 2021