Lisa Claus
HPC Performance Engineer
National Energy Research Scientific Computing Center (NERSC)
Science Engagement & Workflows Dept.
User Engagement Group
I am a member of the User Engagement Group at the National Energy Research Scientific Computing Center (NERSC) at Lawrence Berkeley National Laboratory. My research focuses on the development of high-performance computing software to accelerate the simulation of various applications from climate models to electromagnetism. Working in a research environment excites me because I have the opportunity to learn about many challenging and fascinating problems while working in a collaborative and supportive environment. I am eager to develop algorithms and scientific software that supports various communities. I love helping others. This is why I am engaged in different mentoring programs and volunteering opportunities to support students from kindergarten through high school to their graduate education.
Recent Publications
Sparse Approximate Multifrontal Factorization with Composite Compression Methods
Authors: Claus, L; Ghysels, P; Liu, Y; Nhan, TA; Thirumalaisamy, R; Bhalla, APS
September 2023, ACM Transactions on Mathematical Software
Nonoverlapping block smoothers for the Stokes equations
Authors: Claus, L; Bolten, M
December 2021, Numerical Linear Algebra with Applications
Sparse Approximate Multifrontal Factorization with Butterfly Compression for High-Frequency Wave Equations
Authors: Liu, Y; Ghysels, P; Claus, L; Li, XS
January 2021, SIAM Journal on Scientific Computing
Local Fourier analysis of multigrid smoothers for the Stokes problem
Authors: Bolten, M; Claus, L
November 2019, Proceedings in Applied Mathematics and Mechanics
A graphics processing unit accelerated sparse direct solver and preconditioner with block low rank compression
Authors: Claus, L; Ghysels, P; Boukaram, WH; Li, XS
January 2025, The international journal of high performance computing applications
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