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Forums > Digital IC > Floorplanning, Place and route

Subject: run time concerns in CTE mode
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mvvijay78
Posts: 11
Online: User is Offline
8/28/2007 1:43 AM  
Hi,

Please let me know if there is any run time hit using the CTE mode.I am observing that in  most cases for optimizations and reporting the CTE commands do take more time than the FE_STA commands. Would like to know if this is the case with all the users.Also is there any statistics suggesting how many customers have moved into CTE mode.

Regards
Vijay
Kari
Posts: 81
Online: User is Offline
8/30/2007 12:14 PM  
Hi Vijay,

You don't say which version of the tool you are using. I know that when CTE mode first came out, the performance was not as quick as FE_STA mode. But I think a lot of improvment has gone on since then. We always use CTE mode and have for a few years now.

- Kari
mvvijay78
Posts: 11
Online: User is Offline
8/31/2007 5:55 AM  
Kari,

My mistake.I am using the latest version of encounter i.e 6.2USR2.

Regards
Vijay
Kari
Posts: 81
Online: User is Offline
8/31/2007 8:08 AM  
Hi Vijay,

In that case, definitely go with CTE mode. It is the most up-to-date and you shouldn't have any runtime issues.

- Kari
mvvijay78
Posts: 11
Online: User is Offline
9/11/2007 10:23 PM  
Hi Kari,

I do understnad the CTE mode is the  latest timing engine and supposed to be the better compared to FE-STA.But if u get a change try the same optimization u do in CTE mode in FE-STA and I am sure u will find not much difference in the qulity of optimization but a run time hit of atleast 50% in the case of CTE . Please do try the FE-STA mode when u get a chance in the latest 6.2USR2.

Regards
Vijay
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Forums > Digital IC > Floorplanning, Place and route > run time concerns in CTE mode


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