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Compiling INMOST with ParMETIS on Windows
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======
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INMOST may be configured with optional ParMETIS support. In this case INMOST will support calling graph partitioner from ParMETIS package, i.e. you will be able to use Partitioner::Parmetis in Partitioner::SetMethod.
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INMOST is compatible with ParMETIS version 4.0.3 and known to compile well with Visual Studio.
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Download ParMETIS version 4.0.3 from [http://glaros.dtc.umn.edu/gkhome/metis/parmetis/download](http://glaros.dtc.umn.edu/gkhome/metis/parmetis/download).
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ParMETIS installation guide recommends that you visit metis/include/methis.h and choose
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IDXTYPEWIDTH and REALTYPEWIDTH to be 32 or 64. If you expect large meshes you may change `IDXTYPEWIDTH` to 64.
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Create "build" directory where visual studio project will be created.
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Open cmake-gui application and enter path to the folder where
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you have unarchived parmetis source code into the field to right to
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"Where is the source code" text then provide path to your "build" directory.
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[[pics/cmake_parmetis_1.png]]
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Before you click "Configure" button in CMake you have to provide cmake instructions for MPI library.
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You can either open CMakeLists.txt in source directory and add `find_package(MPI)` after `Project(ParMETIS)` words, then CMake will try to detect MPI library automatically.
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Or you may click "Add Entry" button in CMake application and enter `MPI_INCLUDE_PATH`
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variable of type path on your own. Note that MPI libraries provided for INMOST library
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and ParMETIS library should match.
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[[pics/cmake_parmetis_2.png]]
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Click "Configure" and select Visual Studio as your compiler. It is recommended that selected compiler match with compiler for INMOST library.
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[[pics/cmake_parmetis_3.png]]
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Then click "Generate".
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[[pics/cmake_parmetis_4.png]]
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Open your "build" directory and open generated ParMETIS.sln visual studio solution. Switch from Debug to Release mode in "Build/Configuration Manager" menu. Hit F7 to compile the library.
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After successful compilation provide path for INMOST library.
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Open cmake-gui and by clicking to black triangle at the right
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end of the field after "Where to build the binaries" and choose
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your build directory for INMOST.
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First activate `USE_PARTITIONER_PARMETIS` checkbox.
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Then add four entries through "Add Entry" button:
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`METIS_INCLUDE_DIR` of type `PATH` pointing to path_of_parmetis_source/metis/include
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`METIS_LIBRARY` of type `FILEPATH` pointing to path_of_parmetis_build/libmetis/Release/libmetis.lib
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`PARMETIS_INCLUDE_DIR` of type `PATH` pointing to path_of_parmetis_source/include
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`PARMETIS_LIBRARY` of type `FILEPATH` pointing to path_of_parmetis_build/libparmetis/Release/parmetis.lib
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[[pics/cmake_parmetis_5.png]]
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As a result you will be able to use Partitioner::Parmetis in Partitioner::SetMethod. |
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\ No newline at end of file |
