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Dali

Gridded Cell Placement Flow

Recommended compilation toolchain

  • Ubuntu >= 18.04
  • GNU Compiler Collection (GCC), version >= 4.8.5
  • CMake, version >= 3.9.6
  • GNU Make

Pre-requisite

  • ACT
  • Boost, version >= 1.71.0 (lower version may work, not tested)
  • Si2 LEF/DEF parser, a mirror can be found here
  • PhyDB
  • OpenMP (for MacOS user, libomp from Homebrew will work)

Clone repo and compile

$ git clone --recursive https://github.com/asyncvlsi/Dali.git
$ cd Dali/
$ mkdir build
$ cd build
$ cmake ..
$ make
$ make install

this will create a binary dali in folder Dali/bin. The default installation destination is $ACT_HOME. One can use the following command to specify the installation destination and install this package:

$ cmake .. -DCMAKE_INSTALL_PREFIX=path/to/installation

3rd Party Module List

  • Eigen: sparse matrix iterative linear solver

Miscellaneous

  • Eigen gives different results for different C++ compilers, because floating point addition is not necessarily associative
  • g++ in MacOS is an alias of clang instead of GCC
  • 32bit and 64bit version g++ also give different results

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