Basic HTML version of Foils prepared 19 September 1997

Foil 48 Comments on Special Purpose Devices

From Master Set of Foils for 1997 Session of CPS615 CPS615 Basic Simulation Track for Computational Science -- Fall Semester 97. by Geoffrey C. Fox


1 One example is an Associative memory - SIMD or MIMD or content addressable memories
2 This is an an example of a special purpose "signal" processing machine which can in fact be built from "conventional" SIMD or "MIMD" architectures
3 This type of machine is not so popular as most applications are not dominated by computations for which good special purpose devices can be designed
4 If only 10% of a problem is say "track-finding" or some special purpose processing, then who cares if you reduce that 10% by a factor of 100
  • You have only sped up the system by a factor 1.1 not by 100!

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