# Funding

PETSc is funded primarily by the United States Department of Energy, Office of Science, by the Advanced Scientific Computing Research (ASCR) Applied Mathematics Research and SciDAC programs.

Specific and previous funding sources:

- Applied Mathematics Base (Core) funding, 1994-

- Preparing PETSc/TAO for Exascale a DOE Exascale Project

- SciDAC FASTMath Project, 2011-

- SciDAC TOPS Project, 2001-2011

- DOE ASCR SciDAC-e, Large-Scale Differential Variational Inequalities for Heterogeneous Materials, 2010-2011

- NFS Computational Infrastructure for Geodynamics (CIG), 2005-2009

- Advanced Reactor Simulation, Richard Martineau LDRD, Idaho National Laboratory

- Multiphase Flow Simulation, Ray Berry LDRD, Idaho National Laboratory

- The DOE 2000 ACTS Toolkit

- The DOE/FE ACTI program, late 1990’s

- NSF Multi-Model Multi-Domain Computational Methods in Aerodynamics and Acoustics, 1996-1998

User Prizes and Sites Threads and PETSc