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How to obtain Congestion Statistics after Routing is complete?

Narasimhan
Hi, I am using SOC Encounter for the first time. I have done the placement and routing of a circuit using Encounter(with the help of a few tutorials). I want the congestion statistics of the design after the detailed routing is complete. On reading the User Guide, I understand that dumpCongestArea command gives the congestion statistics after the trial route or global route. I used the command after trial route to get the congestion statistics. It showed me negative values of remaining tracks. Then, I did detailed routing and used the dumpCongestArea command. The two files have the same data. But, if i try exporting the gds layout and do a post layout simulation on the circuit, it produces the correct output. Hence, I concluded that the circuit has been routed properly. So, there cannot be negative values of remaining tracks after detailed routing. Can someone explain me the procedure to get the congestion data of the design after detailed routing? Thank you. Lakshminarasimhan
Parents
  • Hi Eric, The dumpNanoCongestArea command is giving me the same congestion statistics after global route and after detailed route. Is this meant to be this way. I am interested in obtaining the Congestion statistics after detailRoute completes. Also, the isn't the db file saved in a non-readable format. How do I get the information from the db file after iteration zero?
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  • Hi Eric, The dumpNanoCongestArea command is giving me the same congestion statistics after global route and after detailed route. Is this meant to be this way. I am interested in obtaining the Congestion statistics after detailRoute completes. Also, the isn't the db file saved in a non-readable format. How do I get the information from the db file after iteration zero?
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