J. H. Wilkinson Prize for Numerical Software

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The James H. Wilkinson Prize for Numerical Software is a four-year award that recognizes outstanding work in numerical software. It honors the contributions of James H. Wilkinson in this field and was created by Argonne National Laboratory (ANL), the National Physical Laboratory (NPL), and the Numerical Algorithms Group (NAG). The prize has been presented at the International Congress on Industrial and Applied Mathematics (ICIAM) since 1991.

In 2015, ANL, NPL, NAG, and SIAM agreed that SIAM would administer the prize starting with the 2019 award.

Eligibility
- Candidates must have worked in the field for at most 12 years after earning their PhD as of January 1 of the award year.
- Breaks in continuity are allowed, and exceptions can be made.

Awardees and contributions
- 1991: Linda Petzold for DASSL, a solver for differential-algebraic equations (code in the public domain).
- 1995: Chris Bischof and Alan Carle for ADIFOR 2.0, an automatic differentiation tool for Fortran 77 (code available for education and non-profit research).
- 1999: Matteo Frigo and Steven G. Johnson for FFTW, a C library for computing the discrete Fourier transform (freely available).
- 2003: Jonathan Shewchuk for Triangle, a two-dimensional mesh generator and Delaunay triangulator (freely available).
- 2007: Wolfgang Bangerth, Guido Kanschat, and Ralf Hartmann for deal.II, a library for solving partial differential equations with adaptive finite elements (freely available).
- 2011: Andreas Waechter (IBM T. J. Watson Research Center) and Carl Laird (Texas A&M University) for IPOPT, an object-oriented library for large-scale continuous optimization (freely available).
- 2015: Patrick Farrell (Oxford), Simon Funke (Simula), David Ham (Imperial College London), and Marie Rognes (Simula) for dolfin-adjoint, which derives and solves adjoint and tangent linear equations from finite element PDE descriptions (freely available).
- 2019: Jeff Bezanson, Stefan Karpinski, and Viral B. Shah for the Julia programming language.
- 2023: Field Van Zee and Devin Matthews for BLIS, a portable open-source framework for high-performance dense linear algebra on modern CPUs.