Nick Cardo

Nicholas "Nick" P. Cardo

Computational Systems Group,

NPCardo@lbl.gov

Phone: (510) 486-4765 , Fax: (510) 486-4316

1 Cyclotron Road

Mail Stop 943-256

Berkeley, CA 94720

Biographical Sketch

Nick Cardo is the IBM SP project lead. His previous experience includes system programmer and system analyst at NASA Ames Research Center and John von Neumann National Supercomputer Center in Princeton. Nick has developed a wide variety of utilities, kernel modifications, and algorithms for high performance systems, including one of the first full-production schedulers for the Portable Batch System (PBS). Nick earned a B.S. in Computer Science at the New Jersey Institute of Technology and an M.S. in Computer Engineering at San Jose State University.

Journal Articles

D. Skinner, N. Cardo, “An Analysis of Node Asymmetries on seaborg. nersc. gov”, January 1, 2003,

Conference Papers

Zhengji Zhao and Nick Wright, “Performance of Density Functional Theory codes on Cray XE6”, A paper presented in the Cray User Group meeting, May 23-26, 2011, Fairbanks, Alaska., May 24, 2011,

James M. Craw, Nicholas P. Cardo, Yun (Helen) He, and Janet M. Lebens, “Post-Mortem of the NERSC Franklin XT Upgrade to CLE 2.1”, Cray User Group Meeting 2009, Atlanta, GA, May 2009,

Download File: CLE2.1Post-Mortem2009.pdf (pdf: 233 KB)

This paper will discuss the lessons learned of the events leading up to the production deployment of CLE 2.1 and the post install issues experienced in upgrading NERSC's XT4 system called Franklin.

Yun (Helen) He, William T.C. Kramer, Jonathan Carter, and Nicholas Cardo, “Franklin: User Experiences”, Cray User Group Meetin 2008, May 4, 2008, LBNL 2014E

Download File: CUG2008FranklinUserExperiencesfinal.pdf (pdf: 253 KB)

The newest workhorse of the National Energy Research Scientific Computing Center is a Cray XT4 with 9,736 dual core nodes. This paper summarizes Franklin user experiences from friendly early user period to production period. Selected successful user stories along with top issues affecting user experiences are presented.

Presentation/Talks

James M. Craw, Nicholas P. Cardo, Yun (Helen) He, and Janet M. Lebens, Post-Mortem of the NERSC Franklin XT Upgrade to CLE 2.1, Cray User Group Meeting, May 2009,

Download File: CLE2.1Post-MortemPresentation.pdf (pdf: 1.2 MB)

Yun (Helen) He, William T.C. Kramer, Jonathan Carter, and Nicholas Cardo, Franklin: User Experiences, CUG User Group Meeting 2008, May 5, 2008,

Download File: CUG2008slidesFranklinUserExperiencesfinal.pdf (pdf: 731 KB)