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DETAILS ON THE CRAY X-MP EXTENDED ARCHITECTURE

The new Cray X-MP Extended Architecture scientific supercomputers from Cray Research Inc (CI No 921) implement the architecture of the new Y-MPs, and include both the X and the Y instruction sets so that users can switch between the two environments and migrate their workloads: built in 2,500-macrocell arrays, they replace the existing X-MPs, offering higher performance and more memory at about the same price, and Cray is promising a new release of its CFT77 Fortran compiler that will automatically recognise parallel aspects of Fortran programs and allocate them for concurrent execution in different processors in any multiprocessor configuration; Cray also announced a new SSD-5I model of its solid state storage device with 128M 64-bit words that goes into the input-output subsystem and costs $1.5m; the 512M-word SSD-7 is also reduced by 16.7% and now costs $5m, while the 64M-word model is discontinued.

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CBR Staff Writer

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