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 Allegro.exe command line 

Last post Mon, Oct 15 2012 5:23 AM by fxffxf. 6 replies.
Started by phughes 13 Sep 2012 02:17 AM. Topic has 6 replies and 3011 views
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  • Thu, Sep 13 2012 2:17 AM

    • phughes
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    • Joined on Thu, Dec 4 2008
    • Posts 11
    • Points 190
    Allegro.exe command line Reply

    Hello Experts

    I have build a VB program that builds a schematic and board file based on some user inputs. I am seeing a problem during the board build section. I am using the command line interface to open a blank Allegro board file and run a script which runs a SKILL file that builds up a complete board. The problem I am seeing is that the build of the board is sometimes very slow. If I open Allegro seperatly, run the script with the File -> Script command the program runs much faster. I have looked online and there are mentions of memory issues with command lines.

    Has anyone else seen this problem or does anyone know of a faster way to open a board file and build it up with a SKILL program.

    Regards

    Peter

    • Post Points: 20
  • Mon, Sep 17 2012 2:58 PM

    • Ejlersen
    • Top 10 Contributor
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    Re: Allegro.exe command line Reply

    Hi

    Have you tried running the command line interface without opengl and graphics? then you could open the job afterwards, that might help?

    start /wait allegro -s dostuff.scr -nographic myboardtemplate.brd

    Best regards

    Ole 

    Best regards Ole
    • Post Points: 20
  • Tue, Sep 18 2012 1:31 AM

    • phughes
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    Re: Allegro.exe command line Reply

     Hello Ole,

    Thank you for your response. I considered that option but the -nographic switch is not available on a windows system according to the v16.3 documentation. Has this chnaged for v16.5.

     Regards

    Peter

    • Post Points: 20
  • Tue, Sep 18 2012 5:30 AM

    • Ejlersen
    • Top 10 Contributor
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    Re: Allegro.exe command line Reply

    Hi Peter

    This is not new, I've used it on windows for years :-)

    Best regards

    Ole 

    Best regards Ole
    • Post Points: 20
  • Tue, Sep 18 2012 9:03 AM

    • phughes
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    Re: Allegro.exe command line Reply

    Hello Ole,

    Thanks for your help. That worked and it seems to run faster.

    Regards

    Peter

    • Post Points: 5
  • Fri, Oct 12 2012 7:06 AM

    • phughes
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    • Posts 11
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    Re: Allegro.exe command line Reply

    Hello Cadence Users,

    I have tried to use the non-graphical option to speed up the building of a board using the Allegro command line and an input script but the run time for the board build is still too long. Does anyone know of another option or workaround that may improve the speed.

    Regards

    Peter

    • Post Points: 20
  • Mon, Oct 15 2012 5:23 AM

    • fxffxf
    • Top 25 Contributor
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    Re: Allegro.exe command line Reply

    You can turn off the master DRC switch and disable dynamic shapes (Display -> Status). When you are finished constructing the board, turn on dynamic shapes, update them and then do a drc update. If adding constraints to a board, it is much faster to load them via a techfile instead of using Allegro scripts to load individually via constraint manager (e.g. avoid "cmgr" commands in your script)

    You should also look at your script and remove any "zoom" and "roam" commands. Leave any "trapsize" commands since they are required.

    • Post Points: 5
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Started by phughes at 13 Sep 2012 02:17 AM. Topic has 6 replies.