Summary of Sparse Linear Solvers Available from PETSc

Summary of Sparse Linear Solvers Available from PETSc

Requests and contributions welcome

Click on the package name in the "External Package" column for manual pages for that package (e.g. Euclid/hypre).
    Algorithm Matrix types External Package*

Parallel

Complex

Preconditioners Jacobi aij,baij,sbaij,bdiag,dense   --- X X
point block Jacobi baij, bs = 2,3,4,5 X X
SOR seqdense,seqaij,seqsbaij,
seqbdiag,mpiaij**
  --- X
point block SOR*** seqbaij, bs = 2,3,4,5 X
block Jacobi aij,baij,sbaij,bdiag   --- X X
additive Schwarz aij,baij,sbaij   --- X X
  Incomplete factorizations ILU(k) seqaij,seqbaij   ---   X
    ICC(k) seqaij,seqbaij   ---   X
    ILU dt seqaij Sparsekit    
    ILU(k) aij Euclid/hpypre (LLNL) X  
ILU dt aij Euclid/pilut (LLNL) X
    ILU(0)/ICC(0) aij BlockSolve95 X  
  Matrix-free infrastructure   X X
  Multigrid infrastructure   X X
    geometric structured grid   X X
    algebraic aij BoomerAMG/hypre (LLNL) X  
      aij ML/Trilinos (SNL) X  
      baij Prometheus (LBNL) X  
  Approximate inverses aij Parasails/hypre (LLNL) X  
      aij SPAI X  
Substructuring balancing Neumann-Neumann is    --- X X
Direct solvers LU LU seqaij,seqbaij    ---   X
    LU matlab MATLAB   X
      aijspooles SpoolesSequential/Parallel X X
superlu
superlu_dist
SuperLU (BNL) Sequential/Parallel X X
aijmumps MUMPS X X
essl ESSL (IBM)
umfpack UMFPACK (U. Florida)
lusol LUSOL
plapack PLAPACK X X
Cholesky Cholesky seqaij,seqsbaij      --- X
sbaijspooles SpoolesSequential/Parallel X X
sbaijmumps MUMPS X X
dscpack DSCPACK (Penn State) X
plapack PLAPACK X X
  QR   matlab Matlab    
      aijspooles SpoolesSequential/Parallel   X
  XXt and XYt   aij   --- X  
Krylov methods   Richardson    --- X X
Chebychev   --- X X
conjugate gradients   --- X X
GMRES   --- X X
Bi-CG-stab   --- X X
transpose free QMR   --- X X
conjugate residuals   --- X X
conjugate gradient squared   --- X X
bi-conjugate gradient   --- X X
MINRES   --- X X
flexible GMRES   --- X X
LSQR   --- X X
SYMMLQ   --- X X
LGMRES   --- X X
Conjugate gradient on the normal equations   --- X X

*External Package If this column is filled in you must install the external package indicated to use this feature. See instructions

**A "block Jacobi" style SOR with lits local smoothing followed by update of ghost points from other processors, see MatRelax()

***Use PCType of PCSOR

This page was inspired by Jack Dongarra's freely available software for linear algebra list