Synopsys Design Compiler Tutorial 2021 |best| Info

Note: For the most accurate 2021 behavior, refer to the official dc_shell user guide: dc_ug.pdf (version M-2017.03-SP3 through 2021.09).

write_sdc constraints/my_design.sdc

-gate_clock : Automatically inserts clock-gating cells to drastically reduce dynamic power consumption. 6. Analyzing Synthesis Reports synopsys design compiler tutorial 2021

Ensure that all design references and sub-modules link correctly to the specified libraries.

The following section breaks down the end-to-end synthesis flow performed inside a standard Design Compiler script. Step 1: Reading and Analyzing the RTL Note: For the most accurate 2021 behavior, refer

Libraries needed to resolve references (must include the target library and any RAM/IP macros).

# Maximum fanout for a cell (prevents heavy loading) set_max_fanout 4 [current_design] # Maximum fanout for a cell (prevents heavy

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# Check for missing constraints or design inconsistencies before compiling check_design > ../reports/check_design_pre_compile.rpt # Standard Compilation compile # ALTERNATIVE: High-effort optimization for tight timing budgets # compile_ultra -no_autoungroup # ALTERNATIVE: Running in Topographical Mode (Requires physical libraries/DEF/LEF) # compile_ultra -topographical Use code with caution. Phase 4: Generating and Analyzing Reports