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 how to calculate the total routed wire length? 

Last post Mon, Feb 18 2008 2:01 AM by archive. 1 replies.
Started by archive 18 Feb 2008 02:01 AM. Topic has 1 replies and 1264 views
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  • Mon, Feb 18 2008 2:01 AM

    • archive
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    how to calculate the total routed wire length? Reply

    Hi All,

    How to calculate the total length of the wire routed in a layout. It should consider all the metals used for routing and at all levels of hierarchy.  [Read in latest Spectrum magazine that the total wire length may reach from 2kms to 10kms for the latest processes and curious to find one for my teams' design also which is a very big Layout design and we are using VXL].

    Andanur


    Originally posted in cdnusers.org by iandanur
    • Post Points: 0
  • Tue, Feb 19 2008 12:47 AM

    • archive
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    • Joined on Fri, Jul 4 2008
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    RE: how to calculate the total routed wire length? Reply

    set signal_NetWirelength 0

    set signalNetWireLength [open "Avg_signal_NetWirelength" "w"]
    set signal_NetWirelengthMicrons 0.0

    dbForEachCellNet [dbgTopCell] netPtr {
    if { ![dbIsNetSpecial $netPtr]} {

    set signal_NetWirelength [expr { [dbNetWireLenX $netPtr] + [dbNetWireLenY $netPtr] + $signal_NetWirelength } ]
    set signal_NetWirelengthMicrons [dbDBUToMicrons $signal_NetWirelength]
    }
    }

    puts $signalNetWireLength "\n\nTOTAL SIGNAL NET WIRE LENGTH =$signal_NetWirelengthMicrons"
    close $signalNetWireLength


    Originally posted in cdnusers.org by Devi
    • Post Points: 0
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Started by archive at 18 Feb 2008 02:01 AM. Topic has 1 replies.