HELP! * GREY=local LOCAL HTML version of Foils prepared July 6,1995

Foil 25 Topological view of MP machines (with ÒScalabilityÓ in mind)

From General Discussion of Parallel Relational Databases CPS600 Spring Semester -- April 1995. by Gang Cheng Marek Podgorny (Geoffrey Fox) * See also color IMAGE
Shared-Memory and Shared-Disk
  • interference limits scalability
  • complicated and relatively expensive
Shared Nothing
  • minimal interference between processors
  • moves only questions and answers over the network
  • can scale up to hundreds (maybe thousands) of processors
  • composed of cheap, stock parts and a fast interconnecting network
  • achieve near-linear improvements
  • good for system scalability and portability
Shared Data
  • Little experience so far

Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

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