ICL Research Profile



The Linear Algebra PACKage (LAPACK) and Scalable LAPACK (ScaLAPACK) are widely used libraries for efficiently solving dense linear algebra problems. ICL has been a major contributor to the development and maintenance of these two packages since their inception. LAPACK is sequential, relies on the BLAS library, and benefits from the multi-core BLAS library. ScaLAPACK is parallel, distributed, and relies on the BLAS, LAPACK, MPI, and BLACS libraries.

LAPACK 3.10.0, released in June 2021, addresses multiple bug fixes. The latest version adds safe scaling for ROTG, xLARTG, xLASSQ, and xNRM2 routines. Since 2011, LAPACK has included LAPACKE, a native C interface for LAPACK developed in collaboration with Intel, which provides NAN check and automatic workspace allocation. ScaLAPACK 2.1.0, which includes a new robust ScaLAPACK routine for computing the QR factorization with column pivoting along with improved accuracy of the Frobenius norm, was released in November 2019.

Find out more at http://www.netlib.org/lapack/

In Collaboration With

  1. University of California Berkeley
  2. University of Colorado Denver

Sponsored by

  1. Defense Advanced Research Projects Agency
  2. National Science Foundation
  3. The United States Department of Energy

Project Handout