DC-Grapical (DC-G)
DC-Extension license 있어야 사용 가능
- Layout visualization
- Congestion analysis
- SPG
- Netlist topology congestion optimization
- Net layer optimization
- Createing/modifying a floorplan in ICC/ICC II
Congestion이란
measure of a design's "routability"
GRCs(global routing cells)
칸 하나하나를 뜻함.
report_congestion : After synthesis congesion
heat map
- Window → New Layout Window
- View → Map Mode
- List cellss in congested region...
- Reload
Synopsys Physical Guidance (SPG)
합성할 때 netlist topology congesiont optimization, register replication 실행
Netlist Topology Congestion Optimization
- Minimizes highly connected structres
- Minimizes wires and wire crossing
- Shares and un-shares logic as needed
- MUX restructuring
- decomposing and restructuring AND/OR tress based on port or macro pin locations