Exporting Libraries

Question

Hi, 
 When I Export libraries using "dlib" it takes a lot of time for some Board files and in the end it won't even generate after waiting for like 8hours. Is there any way to speed up the process? 
 Using allegro 17.2 
 I tried 17.4 as shown below but it got stuck on 99% after 3minutes. I assume it will remain stuck.

John T · Answer

An Xnet (Extended net) is a connection of two nets that are electrically connected through a passive discrete component, typically a resistor. If you have these in your design you will find them listed along with nets in Constraint Manager. Xnets are required in electrical constraint applications to constrain a logical net in length or time from a driver to receiver through the discrete part. Nets and Xnets apply to the Electrical, Physical, and Spacing domains. You can constrain a net or Xnet by either referencing a CSet or setting overrides directly on the net or Xnet object. This Regenerate button forces the editor to regenerate all Xnets and differential pairs in the design database. 
 If you are willing to share your design with us to investigate, I will contact you directly to exchange.

John T · Answer

Hi Tahakhan, I would try running the dbdoctor Database Check on your design firstly. I would also consider purging all unused padstacks. You will find this in the Padstack Modify options menu tab. Here there is a Purge button to purge all. Please also consider checking the option &ldquo;No library dependencies&rdquo; during export.

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Exporting Libraries

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