Jul 24, 2015 #1 C cyrax747 Full Member level 3 Joined Nov 8, 2012 Messages 167 Helped 13 Reputation 26 Reaction score 11 Trophy points 1,298 Location Bangalore Activity points 2,494 How does the congestion number helps you to estimate the routing issues?
Aug 4, 2015 #2 A amit.kumar11 Member level 5 Joined Jun 22, 2015 Messages 86 Helped 20 Reputation 40 Reaction score 19 Trophy points 8 Location Bangalore Activity points 471 Hi, Please explain in detail about your problem. Are you talking about PCB routing?
Aug 5, 2015 #3 C cyrax747 Full Member level 3 Joined Nov 8, 2012 Messages 167 Helped 13 Reputation 26 Reaction score 11 Trophy points 1,298 Location Bangalore Activity points 2,494 Hi, During placement we place standard cells,so we report congestion values.I am talking about those values.
Hi, During placement we place standard cells,so we report congestion values.I am talking about those values.
Aug 5, 2015 #4 C cyrax747 Full Member level 3 Joined Nov 8, 2012 Messages 167 Helped 13 Reputation 26 Reaction score 11 Trophy points 1,298 Location Bangalore Activity points 2,494 how to fix congestion How to fix the global and local congestion ?? Can u say the methods w.r.t cadence soc encounter (i.e commands)
how to fix congestion How to fix the global and local congestion ?? Can u say the methods w.r.t cadence soc encounter (i.e commands)
Aug 5, 2015 #5 A amit.kumar11 Member level 5 Joined Jun 22, 2015 Messages 86 Helped 20 Reputation 40 Reaction score 19 Trophy points 8 Location Bangalore Activity points 471 Hi, Please check this link: https://www.arteris.com/routing_congestion It might be useful for you.
Aug 14, 2015 #6 K kumar_eee Advanced Member level 3 Joined Sep 22, 2004 Messages 814 Helped 139 Reputation 276 Reaction score 113 Trophy points 1,323 Location Bangalore,India Activity points 4,677 Usually the congestion comes into picture if you want to estimate the routability at the placement stage. You will see high congestion number if the cell-density/pin-density is high, which means you dont have enough routing resources. You will have to spread the cells to avoid the congestion, using partial blockages, density screens or cell padding.
Usually the congestion comes into picture if you want to estimate the routability at the placement stage. You will see high congestion number if the cell-density/pin-density is high, which means you dont have enough routing resources. You will have to spread the cells to avoid the congestion, using partial blockages, density screens or cell padding.
Aug 14, 2015 #7 C cyrax747 Full Member level 3 Joined Nov 8, 2012 Messages 167 Helped 13 Reputation 26 Reaction score 11 Trophy points 1,298 Location Bangalore Activity points 2,494 Thank you kumar, Btw what desnity screen ? some gui property ?? - - - Updated - - - Hi Kumar, Is 0.18% of H congestion is allowed or should i minimize it before pre route stage .CTS is completed..!
Thank you kumar, Btw what desnity screen ? some gui property ?? - - - Updated - - - Hi Kumar, Is 0.18% of H congestion is allowed or should i minimize it before pre route stage .CTS is completed..!
Aug 14, 2015 #8 K kumar_eee Advanced Member level 3 Joined Sep 22, 2004 Messages 814 Helped 139 Reputation 276 Reaction score 113 Trophy points 1,323 Location Bangalore,India Activity points 4,677 density screen is something that you're setting utilization to some value ( say 70% ), which means the tool wont place the cells more than 70%. Your congestion value seems to be under control, try routing, then see if you've any opens & shorts.
density screen is something that you're setting utilization to some value ( say 70% ), which means the tool wont place the cells more than 70%. Your congestion value seems to be under control, try routing, then see if you've any opens & shorts.