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RISC-type microprocessors may revolutionize aerospace simulation

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1 Author(s)
Jackson, A.S. ; Motorola Inc., Orange, CA, USA

The author explores the application of RISC (reduced instruction set computer) processors in massively parallel computer (MPC) designs for aerospace simulation. The MPC approach is shown to be well adapted to the needs of aerospace simulation. It is shown that any of the three common types of interconnection schemes used with MPCs are effective for general-purpose simulation, although the bus- or switch-oriented machines are somewhat easier to use. For partial differential equation models, the hypercube approach at first glance appears more efficient because the nearest-neighbor connections required for three-dimensional models are hardwired in a hypercube machine. However, the data broadcast ability of a bus system, combined with the fact that data can be transmitted over a bus as soon as it has been updated, makes the bus approach very competitive with the hypercube approach even for these types of models.<>

Published in:

Aerospace Applications Conference, 1988. Digest., 1988 IEEE

Date of Conference:

7-12 Feb. 1988