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scheduling_file
Hi, Can any one please clarify my doubts about useful skew.Using the useful skew settings in preCTS generates both scheduling_file and latency.sdc always?? How clockDesign command take care of the...
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congOpt -nrIterIncongOpt Fail?
Hi, I used congOpt to remove congestions in my design.like "congOpt -nrIterIncongOpt 80",But the tool tell me "Improving Congestion Failed" at the end.There‘s no error from tool for remind. I used...
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SDF generation in Encounter
I have a problem generating SDF file in encounter. The problem is that the generated SDF file only includes delay information for the interconnects but not the gates. Here is how I generated the SDF...
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Stacked via violations in encounter power router.
I am trying to create the power routes using Encounter 9.1 There are lot of memories in the design which has power pins in layer M4 ( design is 8 Metal layer process) i create the stripe in M3 &...
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Analysis condition in SOCen v9.1
Hi, recently I started to use soc encounter v9.1 instead of v8.1. I am looking for he option like timing--->analysis condition in version9.1 but i con not find it can anyone tell me where I can find...
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clockSpiceOut (an Encounter error)
When I use Soc Encounter command "clockSpiceOut" to get the spice netlist form the clock tree, error happened like this:"**ERROR: (ENCSPX-116): Cannot write subckt and model from encrypted CDB."Why and...
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Vertical vs Horizontal congestion
why horizontal congestion calaculated based on AVERAGE number of tracks and while vertical congestion is based on the ACTUAL number of tracks?
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Macro Channels
Hi All,Is there any utility or script in encounter to get all the Hard Macro Channel Information.Thanks-Bharath
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How to tell "verifyGeometry" command to not to flag cell blockage violations...
HI All,In my design there is lot shorts , I have debugged the same and found that there is lot of shots with respect to net and cell blockage .like" short between signal net fyol_n890 &...
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MacroModel values
Hi,can any body say on what basis we will decide the value of MacroModel delay?suppost after post_cts_opt stage some paths are violated due to one logic(assume a RAM ) which is triggering with a clock...
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Placement density
What are the implications of placement density?How to determine the optimum placement density for a design?
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reporting the standardcells in between two talking flops
Hii everyone,Can any one let me know if there is an option or command in the tool which can generate all the cells in between two talking flops so that i can upsize,downsize only those set of cells or...
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how will you determine the best skew for your design
How can we determine the best skew value for the design? Does encounter suggest a skew value based on the constraints ?When should i be worried about clock latency? I hope it is applicable only if i...
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building reset net in encounter
Does encouter has any special methodology in optimizing the high fanout path like Reset and Preset? How should I optimize the reset path without much overhead in power usig encounter?
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seed selection in encounter
Can anyone please throw some idead on how encounter selects the seeds while automatic FP and how can I control or select an optimum seed for a time critical design? How the size of a seed will affect...
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Reading noise dealy report
Hi all, Can any body explain how to analyse the following report.I got this report after running xtalk in ETS. ********************************************************************************...
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loading timing libs
Hi all,quick questions .. how to load timing libraries after i import the desig. I did through ImportDesign --> Configure MMMC form.But still it is saying "Timing Libraries nit Loaded yet" when i...
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How to report cells from window x1 y1 x2 y2
Hi All,I want write a script to get below things with dbGet commands.How do I give coordinates to dbGet command for the following. 1. I want to get cell count from window x1 y1 x2 y2.it should report...
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How to dump out a def file for ports
I need to dumpout a def file for selected ports only.Can any1 help out on this. Thanks
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