Computer Science

Computer Science at ORNL involves extreme scale scientific simulations through research and engineering efforts advancing the state of the art in algorithms, programming environments, tools, and system software.  ORNL's work is strongly motivated by, and often carried  out in direct collaboration with computational scientists and engineers, and targets the largest parallel computers.

Research Highlights

Cryogenic Memory Cell Design Based on Small Coupled Arrays of Josephson Junctions

Researchers proposed a cryogenic memory cell design that has a potential to substantially outperform the existing memory cells, achieve much faster access times and lower access and dissipation energies, and reduce the size of the memory cell. Designing fast, energy efficient and small...

Mini-Ckpts: Surviving OS Failures in Persistent Memory

Achievement: Developed a novel warm-reboot capability for the operating system (OS) in extreme-scale high-performance computing (HPC) systems to enable recovery from OS failures with minimal impact on running scientific applications.

Significance and...

Developing Fault Catalog for OLCF Systems (Titan, Jaguar, EOS)

Achievement: Developed analysis tools for analyzing system logs from Titan, Jaguar and Eos systems from OLCF to extract characteristics of interest and created fault catalogue.

Significance and Impact: Understanding the characteristics of system...