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PETSc support

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Arne Morten Kvarving edited this page Feb 28, 2017 · 1 revision

PETsc support

IFEM can utilize the PETSc library for iterative linear solvers, preconditioners and assembly. Currently version 3.6.3+ and 3.7.x have been confirmed working.

Compiling IFEM with PETSc support

To compile IFEM with PETSc support, you need to pass the '-DIFEM_USE_PETSC=1' option to CMake. This again depends on you having two environment variables set

  • $PETSC_DIR - the root path of your PETSc installation
  • $PETSC_ARCH - the architecture of your PETSc

Compiling IFEM with parallel PETSc support

To compile IFEM with parallel PETSc support, you need to pass '-DIFEM_USE_PETSC=1 -DIFEM_USE_MPI=1' options to CMake. This will enable distributed memory parallel computing support through PETSc in IFEM.

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