The Connection Machine, which uses over 65,000 processors in parallel, is a SIMD (Single Instruction Multiple Data) computer capable of computing large reservoir simulation models efficiently. Features of this computing system are ideally suited to finite-difference solutions where equivalent operations are performed on different data in the grid blocks. The Connection Machine hardware and software are described, the application to reservoir simulation discussed, the code for a simple example problem provided, and timing results for this problem tabulated.

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