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 Generating routing statistics 

Last post Wed, Sep 20 2006 8:02 PM by archive. 2 replies.
Started by archive 20 Sep 2006 08:02 PM. Topic has 2 replies and 1217 views
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  • Wed, Sep 20 2006 8:02 PM

    • archive
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    Generating routing statistics Reply

    Hi,

    I am looking for a way to generate the net lenght for power, clock and signal nets per layer. Does anybody know a way to do that and is there any pre-requisite. I assume that the DEF attribute are all that is needed.

    Typically I would like to generate a table with

    METn

    Thanks for your help,
    Eric.


    Originally posted in cdnusers.org by evenditti
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  • Tue, Oct 17 2006 9:59 AM

    • archive
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    RE: Generating routing statistics Reply

    Hello Eric,

    You can get this summary from the encounter GUI:

    Design -> Report -> Summary

    You can generate a Text or HTML report.      The following information in the text output is at the bottom of the report.   This is not broken out exactly the way you are looking for though (clk net, special net, signal net)

    Regards,

    Elvis

    ==============================
    Wire Length Distribution
    ==============================
    Total M1 wire length: 0.0000 um
    Total M2 wire length: 1006351.7600 um
    Total M3 wire length: 1294334.0600 um
    Total M4 wire length: 1153091.0800 um
    Total M5 wire length: 1069123.9400 um
    Total M6 wire length: 1022576.4600 um
    Total M7 wire length: 748782.6200 um
    Total M8 wire length: 11216.9800 um
    Total M9 wire length: 37798.3800 um
    Total wire length: 6343275.2800 um
    Average wire length/net: 57.3642 um


    Originally posted in cdnusers.org by elvis
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  • Tue, Oct 17 2006 10:16 AM

    • archive
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    RE: Generating routing statistics Reply

    Hello Elvis,

    I have been digging into this and in fact to do what I want I need a few reports.

    The one you mention give me global usage per layer but not a breack down by category.

    The trick without advance scripting is that there is no report per category or net giving both special and regular nets so I use the following reports

    For power nets
    reportPowerStat -detailed -wireonly

    For non power nets
    reportWire -detail 0

    The first report is not very comprehensive as it uses layer number instead of layer name but it is not too difficult to handle.

    The second report will have all your routed (included power for tie high/low) and is very usefull if you have some kind of naming convention or generate an associate report (through scripts) classifying the nets per category.

    And then finally I use a perl script to process all that.

    If anybody has a better solution let me know.

    Thanks,
    Eric.


    Originally posted in cdnusers.org by evenditti
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Started by archive at 20 Sep 2006 08:02 PM. Topic has 2 replies.