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Warren Davis Earns National Honors in Leadership and Technology
News Article, February 1, 2019 • Warren Davis, received his award during the conference in Washington, D.C., Feb. 7-9, 2019. The annual meeting recognizes black scientists and engineers and is a program of the national Career Communications Group, which advocates for corporate diversity. This scientist wants to help you see like a computer. If you saw all...
Sandia National Laboratories’ Warren Davis, an expert in machine learning, has been selected to receive the 2019 Research Leadership Award for being “a consistent leader in discovering, developing and implementing new technologies,” according to the award citation. (Photo by Randy Montoya)

Wayne Witzel
Staff Page • Quantum Computer Science. Biography My primary research is in quantum information.  I have pioneered cluster expansion methods for calculating the decoherence rate of a spin qubit in the presence of impurity nuclear and electron spins.  I've also studied dynamical decoupling strategies in this context.  I've broadened my research into more...

XPRESS – eXascale Programming Environment and System Software
Project • The XPRESS Project was one of four major projects of the DOE Office of Science Advanced Scientific Computing Research X-stack Program initiated in September, 2012. The purpose of XPRESS was to devise an innovative system software stack to enable practical and useful exascale computing around the end of the decade with near-term...

XVis
Project • The XVis project brings together the key elements of research to enable scientific discovery at extreme scale. Scientific computing will no longer be purely about how fast computations can be performed. Energy constraints, processor changes, and I/O limitations necessitate significant changes in both the software applications used in scientific computation...

Zachary Morrow (Zack)
Staff Page • Scientific Machine Learning. Biography Zack's research interests lie at the intersection of approximation theory and scientific computing, with applications ranging from computational chemistry to wildfire simulation. He joined Sandia in 2021. Education Ph.D., Applied Mathematics, North Carolina State University (2021)Advisor: C. T. KelleyConcentrations in Computational and Interdisciplinary MathematicsM.S., Applied Mathematics,...

Zoltan
Software • Zoltan is a toolkit of parallel algorithms for dynamic load balancing, geometric and hypergraph-based partitioning, graph coloring, matrix ordering, and distributed directories. Zoltan is open-source software, distributed both as part of the Trilinos solver framework and as a stand-alone toolkit.

Zoltan
Project • The Zoltan project focuses on parallel algorithms for parallel combinatorial scientific computing, including partitioning, load balancing, task placement, graph coloring, matrix ordering, distributed data directories, and unstructured communication plans. The Zoltan toolkit is an open-source library of MPI-based distributed memory algorithms.  It includes geometric and hypergraph partitioners, global graph coloring,...
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