Zhengji Zhao
HPC Architect and Performance Engineer
National Energy Research Scientific Computing Center (NERSC)
HPC Technology Dept.
Advanced Technologies Group
Zhengji Zhao is a member of the Advanced Technologies Group at the National Energy Research Scientific Computing Center (NERSC) at Lawrence Berkeley National Laboratory. She has nearly 20 years of experience in high-performance computing (HPC), with a broad portfolio that includes supporting materials science and chemistry applications, participating in system procurements, developing workload analysis tools, and porting applications to many-core and GPU-based systems. She has led the development of checkpoint/restart standards for HPC production workloads and specializes in power and energy analsyis and modeling to improve data center operational efficiency. She has authored more than 40 publications in these areas. Zhengji holds a Ph.D. in computational physics from New York University.
Education
Ph. D. - New York University, USA
Master of Science - Courant Institute of Mathematical Sciences, United States
Recent Publications
Benchmark-driven Models for Energy Analysis and Attribution of GPU-Accelerated Supercomputing
Authors: Antepara, O; Zhao, Z; Austin, B; Ding, N; Oliker, L; Wright, NJ
November 2025
A Global Perspective on Supercomputer Power Provisioning: Case Studies from United States and Europe
Authors: Patki, T; Rountree, B; Wilde, T; Bartolini, A; Brink, S; Heiskanen, E
June 2025
Maximizing Power-Constrained Supercomputing Throughput
Authors: Ding, N; Antepara, O; Zhao, Z; Austin, B; Oliker, L; Wright, NJ
June 2025
Understanding VASP Power Profiles on NVIDIA A100 GPUs
Authors: Zhao, Z; Austin, B; Rrapaj, E; Wright, NJ
November 2024
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