Beginning Pass 1 Mapping ... Processing clock clk (period 10.00) Optimization completed Total mapping time: 0:00:12 *********************************************************************** Final Area: 12543.2 um^2 Final Worst Negative Slack (WNS): 0.12 ns Final Total Negative Slack (TNS): 0.00 ns ***********************************************************************
exit
For 2021, Synopsys offers two primary modes:
Post-synthesis verification requires looking through generated metrics to verify that timing setups and hold requirements are satisfied. synopsys design compiler tutorial 2021
Libraries used to resolve cell references, including IP blocks, RAMs, and the target library itself (indicated by * ).
Synopsys Design Compiler Tutorial 2021: A Comprehensive Guide to RTL Synthesis
Write the gate-level Verilog.
Overall rating: 4/5 — strong, practical, and script-oriented tutorial for synthesis engineers using Design Compiler in 2021; best used alongside vendor docs and downstream P&R guidance.
Design Compiler operates in two primary modes: Wire Load Model (WLM) mode and Topographical mode.
# Assume the output signal must be ready 2ns before the next clock edge set_output_delay -max 2 -clock clk [get_ports data_out] Beginning Pass 1 Mapping
write -format verilog -hierarchy -output netlist/my_design_netlist.v write -format ddc -hierarchy -output netlist/my_design.ddc Use code with caution. 4. Key 2021 Best Practices
The most critical step is creating the setup file. Design Compiler looks for this file in three locations in order of precedence:
export SYNOPSYS=/tools/synopsys/syn/S-2021.06-SP1 export PATH=$SYNOPSYS/bin:$PATH export SNPSLMD_LICENSE_FILE=27000@your_license_server Use code with caution. Directory Structure # Assume the output signal must be ready
# Analyze the HDL source code for syntax errors analyze -format verilog [list my_reg.v my_alu.v top_module.v] # Elaborate the top-level design to build the design hierarchy elaborate top_module Use code with caution. Step 2: Link and Verify the Design