Jeanette M. Sperhac

Learn More
In this investigation, we study how application performance is affected when jobs are permitted to share compute nodes. A series of application kernels consisting of a diverse set of benchmark calculations were run in both exclusive and node-sharing modes on the Center for Computational Research's high-performance computing (HPC) cluster. Very little(More)
Implemented, tested, documented, and supported web applications for scientific applications. Served as software engineer and administrator in charge of two instances of HUBzero open source implementations. Implemented and maintained platform, tested and deployed tools and resources, designed and updated templates, managed and supported faculty and student(More)
The Technology Audit Service has developed, XDMoD, a resource management tool. This paper utilizes XDMoD and the XDMoD data warehouse that it draws from to provide a broad overview of several aspects of XSEDE users and their usage. Some important trends include: 1) in spite of a large yearly turnover, there is a core of users persisting over many years, 2)(More)
  • 1