Packages with the metis use flag

sci-libs / cholmod : Sparse Cholesky factorization and update/downdate library

  • Enable the Partition module to cholmod using sci-libs/metis

sci-libs / coinor-clp : COIN-OR Linear Programming solver

sci-libs / mumps : MUltifrontal Massively Parallel sparse direct matrix Solver

sci-libs / spqr : Multithreaded multifrontal sparse QR factorization library

  • Use sci-libs/metis or sci-libs/parmetis for partitioning

sci-libs / suitesparse : Meta package for a suite of sparse matrix tools