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limbo018 / DREAMPlace

Deep learning toolkit-enabled VLSI placement

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FENCE Regions

udaymallappa opened this issue · comments

commented

I don't find examples for setting up FENCE region constraints. Can you help me ?

commented

FENCE region is defined in DEF files. You may refer to ispd 2015 benchmarks for how to define region constraints.

https://www.ispd.cc/contests/15/web/benchmark.html

commented

Thanks for your quick response. I am using a bookshelf format for my testcase. Is there an easier way to define FENCE constraints, without having to using the DEF format ?

commented

Bookshelf format does not support FENCE region. You can consider convert bookshelf to LEF/DEF. There was an old tool to do that. You might be able to find other tools as well.

http://vlsicad.eecs.umich.edu/BK/PlaceUtils/

commented

Thank you !

commented

Hi,

I would like to ask if DreamPlace support other types of region constraints such as GUIDE, DEFAULT defined in DEF.
Thanks!

Best regards,
Yang

commented

DREAMPLace does not support region constraints other than FENCE, we will support more region constraints in the future.