LAPACK

About

• Linear Algebra PACKage

FAQs

• Who is behind LAPACK?
  • Hosted at netlib
• Is LAPACK an API or Library?
  • A Library with C and Fortran API
  • Libraries can implement LAPACK functionality with the same API as netlib LAPACK
• What does it provide?
  • Higher-level sequential linear algebra operations
  • Routines to solve
    • Systems of linear equations 
    • Linear least squares
    • Eigenvalue problems
    • Singular value decomposition
• Does it use BLAS?
  • Built on top of the BLAS
• Can LAPACK be part of commercial libraries?
  • Netlib LAPACK is a reference implementation
  • Vendors can incorporate LAPACK functionality in their libs with the same API as netlib LAPACK
• Can LAPACK be parallel?
  • Only if underlying BLAS is parallel (for example OpenMP enabled BLAS)

See also

• MPI | BLAS