OpenDP

OpenDP: Open Source Detailed Placement Engine

Visualized detailed placement result using aes_cipher_top design with innovus initial placement; OpenDP_sample.jpg

Required

• GCC compiler and libstdc++ static library >= 4.8.5
• Recommended OS: Centos6 or Centos7 or Ubuntu 16.04

How To Compile

$ git clone --recursive https://github.com/sanggido/OpenDP.git
$ cd OpenDP
$ mkdir build
$ cd build 
$ cmake ..             // you may specify -DCMAKE_INSTALL_PREFIX to avoid installing in /usr/local/*
$ make
$ sudo make install    // or make install if you specified -DCMAKE_INSTALL_PREFIX

How To Execute (using script)

// unzip iccad2017 benchmarks
$ cd OpenDP/bench
$ tar -xvf benchmarks.tar.gz

// Check doc/ScriptUsage.md in detail
$ cd OpenDP/src
$ ./execute.py 1

How To Execute (using binary)

// Check doc/ScriptUsage.md in detail
$ ./opendp -lef <techLef> -lef <cellLef> ... -def <inputDef> -output_def <outputDef> [-options]

Verified/supported Technologies

• TSMC 65 (GP/LP)
• ST FDSOI 28
• TSMC 16 (9T)

Manual

• doc/ScriptUsage.md
• doc/BinaryArguments.md

License

• BSD-3-clause License [Link]

Authors

• SangGi Do and Mingyu Woo (respective Ph. D. advisors: Seokhyeong Kang, Andrew B. Kahng).
• parser_helper.cpp is based on Dr. Myung-Chul Kim(IBM)'s ICCAD 2015 contest starter_kit
• Paper reference: S. Do, M. Woo and S. Kang, "Fence-Region-Aware Mixed-Height Standard Cell Legalization", Proc. Great Lakes Symposium on VLSI, 2019, pp. 259-262. (link)

Features

• Commercial format supports. (Si2 LEF/DEF parser has been ported).
• Fence region and multi-height legalization supports. (ICCAD 2017 Contest benchmarks)
• Fragmented ROW supports.
• Macro orientations supports.