Basic HTML version of Foils prepared 23 August 1998

Foil 30 Shared-Memory Machines

From CPS615-Introduction-Course,Driving Technology and HPCC Current Status and Futures CPS615 Basic Simulation Track for Computational Science -- Fall Semester 98. by Geoffrey C. Fox, (Some Culler, Koelbel material)
1 All processors access the same memory.
2 Advantages:
  • Retain sequential programming languages such as Java or Fortran
  • Easy to program (correctly)
  • Can share code and data among processors
3 Disadvantages:
  • Hard to program (optimally)
  • Not scalable due to bandwidth limitations in bus
in Table To:

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