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 Does encounter optmizes ideal net when optdesign command is given. 

Last post Wed, Feb 27 2013 7:58 AM by Kari. 1 replies.
Started by gops 30 Jan 2013 09:01 AM. Topic has 1 replies.
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  • Wed, Jan 30 2013 9:01 AM

    • gops
    • Top 50 Contributor
    • Joined on Wed, Sep 24 2008
    • Trivandrum, Kerala
    • Posts 113
    • Points 2,450
    Does encounter optmizes ideal net when optdesign command is given. Reply

    In new version of encounter there is no provision to give exclude nets while loading design. But I have set_ideal_net in my SDC, a reset net which I want to do buffer tree synthesis. But while doing optdesign after placedesign, I found encounter buffering those ideal_nets. How can i solve this issue. 

    • Post Points: 20

  • Wed, Feb 27 2013 7:58 AM

    • Kari
    • Top 10 Contributor
    • Joined on Tue, Jul 15 2008
    • Cary, NC
    • Posts 651
    • Points 12,995
    Re: Does encounter optmizes ideal net when optdesign command is given. Reply

    if you don't want optDesign to buffer that net, make the net set_dont_touch.

    set_dont_touchobject_list[true | false]

    Prevents the specified object from being modified during optimization.

    When you specify a net, all the connecting instances are affected by the set_dont_touch command.

     
    • Post Points: 5
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Started by gops at 30 Jan 2013 09:01 AM. Topic has 1 replies.