Basic HTML version of Foils prepared 17 November 98

Foil 37 History -- Mainframe

From Master Foilset for HPC Achitecture Overview CPS615 Introduction to Computational Science -- Fall Semester 1998. by Geoffrey C. Fox
"Mainframe" approach
  • Motivated by multiprogramming
  • Extends crossbar used for mem bw and I/O
  • Originally processor cost limited to small sizes
    • later, cost of crossbar limited
  • Bandwidth scales with Number of processors p
  • High incremental cost; use multistage instead

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