3 ScaLAPACK

ScaLAPACK (or Scalable LAPACK) is a software library for linear algebra calculations on distributed memory parallel computers. It includes routines for solving:

• dense, band and tridiagonal linear systems,
• standard and generalized orthogonal factorizations,
• symmetric, nonsymmetric and generalized eigenproblems,
• full-rank linear least squares problems.
• SVD problems.

More information on ScaLAPACK is available at the project website:

http://www.netlib.org/scalapack/scalapack_home.html

In particular, details of the functionality present in ScaLAPACK, and the interfaces to the routines can be found in the ScaLAPACK User's Guide

http://www.netlib.org/scalapack/slug/scalapack_slug.html

ScaLAPACK relies upon the BLACS and MPI to communicate data between different processors. It also relies upon the use of ACML to provide high performance BLAS and LAPACK routines.