John McCalpin's blog

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John McCalpin is a Research Scientist in the High Performance Computing Group at the Texas Advanced Computing Center of the University of Texas at Austin.

John joined TACC in 2009 after a twelve year career in performance analysis and system architecture in the computer industry.

His industrial experience includes 3 years at SGI (performance analysis and optimization on the Origin2000 and performance lead on the architecture team for the Altix3000), 6 years at IBM (performance analysis for HPC, processor and system design for Power4/4+ and Power5/5+), and 3 years at AMD (accelerated computing technologies and performance analysis).

Prior to his industrial career, John was an oceanographer (Ph.D., Florida State), spending six years as an assistant professor at the University of Delaware engaged in research and teaching on numerical simulation of the large-scale circulation of the oceans.

Professional Experience:

  • TACC, University of Texas, Austin, TX, Research Scientist, 2009-03-25 to present
  • Advanced Micro Devices, Austin, TX, Principal Member of the Technical Staff, 2005-12-05 to 2009-01-02
  • International Business Machines, Austin, TX, Senior Technical Staff Member, 1999-08-25 to 2005-12-03
  • Silicon Graphics, Inc, Mountain View, CA, Principal Scientist, 1996-07-22 to 1999-07-26
  • University of Delaware, College of Marine Studies, Newark, DE, Assistant Professor, 1990-01-19 to 1996-07-20
  • Department of Oceanography & Supercomputer Computations Research Institute, Florida State University, Tallahassee, FL, Control Data PACER Fellow, 1987-1989
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