High-Performance Computing Directions

• Move toward shared memory

  • SMPs and Distributed Shared Memory
  • Shared address space w/deep memory hierarchy

• Clustering of shared memory machines for scalability

  • Emergence of PC commodity systems
    • Pentium based, NT or Linux driven
      • At UTK cluster of 14 (dual) Pentium based 7.2 Gflop/s

• Efficiency of message passing and data parallel programming

  • Helped by standards efforts such as PVM, MPI and HPF

• Complementing “Supercomputing” with Metacomputing ? Computational Grid

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